OpenJDK / bsd-port / jdk9 / jdk
changeset 13240:8c09472c3de2
8143177: Integrate harfbuzz opentype layout engine per JEP 258
Reviewed-by: srl, vadim, serb
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--- a/make/lib/Awt2dLibraries.gmk Mon Nov 23 14:44:41 2015 +0300 +++ b/make/lib/Awt2dLibraries.gmk Mon Nov 23 09:58:44 2015 -0800 @@ -602,6 +602,34 @@ $(LIBJAVA_HEADER_FLAGS) \ # +#### Begin harfbuzz configuration + +HARFBUZZ_CFLAGS := -DHAVE_OT -DHAVE_FALLBACK -DHAVE_UCDN + +ifneq ($(OPENJDK_TARGET_OS), windows) + HARFBUZZ_CFLAGS += -DGETPAGESIZE -DHAVE_MPROTECT -DHAVE_PTHREAD \ + -DHAVE_SYSCONF -DHAVE_SYS_MMAN_H -DHAVE_UNISTD_H +endif +ifneq (, $(findstring $(OPENJDK_TARGET_OS), linux macosx)) + HARFBUZZ_CFLAGS += -DHAVE_INTEL_ATOMIC_PRIMITIVES +endif +ifeq ($(OPENJDK_TARGET_OS), solaris) + HARFBUZZ_CFLAGS += -DHAVE_SOLARIS_ATOMIC_OPS +endif +ifeq ($(OPENJDK_TARGET_OS), macosx) + HARFBUZZ_CFLAGS += -DHAVE_CORETEXT +endif +ifneq ($(OPENJDK_TARGET_OS), macosx) + LIBFONTMANAGER_EXCLUDE_FILES += harfbuzz/hb-coretext.cc +endif +ifndef OPENJDK + LIBFONTMANAGER_EXCLUDE_FILES += harfbuzz/hb-ft.cc +endif + +LIBFONTMANAGER_CFLAGS += $(HARFBUZZ_CFLAGS) + +#### End harfbuzz configuration + ifndef OPENJDK LIBFONTMANAGER_CFLAGS += -I$(JDK_TOPDIR)/src/closed/java.desktop/share/native/libt2k BUILD_LIBFONTMANAGER_MAPFILE := $(JDK_TOPDIR)/make/mapfiles/libfontmanager/mapfile-vers @@ -648,11 +676,11 @@ OPTIMIZATION := $(LIBFONTMANAGER_OPTIMIZATION), \ CFLAGS_windows = -DCC_NOEX, \ DISABLED_WARNINGS_gcc := sign-compare int-to-pointer-cast reorder \ - delete-non-virtual-dtor type-limits, \ + delete-non-virtual-dtor type-limits missing-field-initializers, \ DISABLED_WARNINGS_clang := unused-value incompatible-pointer-types \ tautological-constant-out-of-range-compare int-to-pointer-cast, \ DISABLED_WARNINGS_solstudio := truncwarn, \ - DISABLED_WARNINGS_microsoft := 4267 4244 4018 4090 4996 4146, \ + DISABLED_WARNINGS_microsoft := 4267 4244 4018 4090 4996 4146 4334, \ WARNINGS_AS_ERRORS_gcc := false, \ WARNINGS_AS_ERRORS_solstudio := false, \ MAPFILE := $(BUILD_LIBFONTMANAGER_MAPFILE), \
--- a/make/mapfiles/libfontmanager/mapfile-vers Mon Nov 23 14:44:41 2015 +0300 +++ b/make/mapfiles/libfontmanager/mapfile-vers Mon Nov 23 09:58:44 2015 -0800 @@ -41,6 +41,7 @@ Java_sun_font_StrikeCache_freeLongMemory; Java_sun_font_SunLayoutEngine_initGVIDs; Java_sun_font_SunLayoutEngine_nativeLayout; + Java_sun_font_SunLayoutEngine_shape; Java_sun_font_X11TextRenderer_doDrawGlyphList; Java_sun_java2d_loops_DrawGlyphListAA_DrawGlyphListAA; Java_sun_java2d_loops_DrawGlyphListLCD_DrawGlyphListLCD;
--- a/make/mapfiles/libfontmanager/mapfile-vers.openjdk Mon Nov 23 14:44:41 2015 +0300 +++ b/make/mapfiles/libfontmanager/mapfile-vers.openjdk Mon Nov 23 09:58:44 2015 -0800 @@ -43,6 +43,7 @@ Java_sun_font_StrikeCache_freeLongMemory; Java_sun_font_SunLayoutEngine_initGVIDs; Java_sun_font_SunLayoutEngine_nativeLayout; + Java_sun_font_SunLayoutEngine_shape; Java_sun_font_X11TextRenderer_doDrawGlyphList; Java_sun_java2d_loops_DrawGlyphListAA_DrawGlyphListAA; Java_sun_java2d_loops_DrawGlyphListLCD_DrawGlyphListLCD;
--- a/src/java.desktop/macosx/classes/sun/font/CFont.java Mon Nov 23 14:44:41 2015 +0300 +++ b/src/java.desktop/macosx/classes/sun/font/CFont.java Mon Nov 23 09:58:44 2015 -0800 @@ -198,6 +198,13 @@ return nativeFontPtr; } + private native long getCGFontPtrNative(long ptr); + + // This digs the CGFont out of the AWTFont. + protected synchronized long getPlatformNativeFontPtr() { + return getCGFontPtrNative(getNativeFontPtr()); + } + static native void getCascadeList(long nativeFontPtr, ArrayList<String> listOfString); private CompositeFont createCompositeFont() {
--- a/src/java.desktop/share/classes/sun/font/Font2D.java Mon Nov 23 14:44:41 2015 +0300 +++ b/src/java.desktop/share/classes/sun/font/Font2D.java Mon Nov 23 09:58:44 2015 -0800 @@ -472,6 +472,12 @@ return 0L; } + /* Used only on OS X. + */ + protected long getPlatformNativeFontPtr() { + return 0L; + } + /* for layout code */ protected long getUnitsPerEm() { return 2048;
--- a/src/java.desktop/share/classes/sun/font/GlyphLayout.java Mon Nov 23 14:44:41 2015 +0300 +++ b/src/java.desktop/share/classes/sun/font/GlyphLayout.java Mon Nov 23 09:58:44 2015 -0800 @@ -96,6 +96,7 @@ private Point2D.Float _pt; private FontStrikeDesc _sd; private float[] _mat; + private float ptSize; private int _typo_flags; private int _offset; @@ -172,7 +173,7 @@ * If the GVData does not have room for the glyphs, throws an IndexOutOfBoundsException and * leave pt and the gvdata unchanged. */ - public void layout(FontStrikeDesc sd, float[] mat, int gmask, + public void layout(FontStrikeDesc sd, float[] mat, float ptSize, int gmask, int baseIndex, TextRecord text, int typo_flags, Point2D.Float pt, GVData data); } @@ -386,6 +387,7 @@ _mat[2] = (float)txinfo.gtx.getShearX(); _mat[3] = (float)txinfo.gtx.getScaleY(); _pt.setLocation(txinfo.delta); + ptSize = font.getSize2D(); int lim = offset + count; @@ -682,7 +684,7 @@ void layout() { _textRecord.start = start; _textRecord.limit = limit; - engine.layout(_sd, _mat, gmask, start - _offset, _textRecord, + engine.layout(_sd, _mat, ptSize, gmask, start - _offset, _textRecord, _typo_flags | eflags, _pt, _gvdata); } }
--- a/src/java.desktop/share/classes/sun/font/SunLayoutEngine.java Mon Nov 23 14:44:41 2015 +0300 +++ b/src/java.desktop/share/classes/sun/font/SunLayoutEngine.java Mon Nov 23 09:58:44 2015 -0800 @@ -103,9 +103,20 @@ * */ public final class SunLayoutEngine implements LayoutEngine, LayoutEngineFactory { private static native void initGVIDs(); + private static final boolean useICU; static { FontManagerNativeLibrary.load(); initGVIDs(); + String le = java.security.AccessController.doPrivileged( + new sun.security.action. + GetPropertyAction("sun.font.layoutengine", "")); + useICU = le.equals("icu"); + String verbose = java.security.AccessController.doPrivileged( + new sun.security.action. + GetPropertyAction("sun.font.layoutengine.verbose", "")); + if ("true".equalsIgnoreCase(verbose)) { + System.out.println("Using " + (useICU ? "icu." : "harfbuzz.")); + } } private LayoutEngineKey key; @@ -150,21 +161,57 @@ this.key = key; } - public void layout(FontStrikeDesc desc, float[] mat, int gmask, + private boolean isAAT(Font2D font) { + if (font instanceof TrueTypeFont) { + TrueTypeFont ttf = (TrueTypeFont)font; + return ttf.getDirectoryEntry(TrueTypeFont.morxTag) != null || + ttf.getDirectoryEntry(TrueTypeFont.mortTag) != null; + } else if (font instanceof PhysicalFont) { + PhysicalFont pf = (PhysicalFont)font; + return pf.getTableBytes(TrueTypeFont.morxTag) != null || + pf.getTableBytes(TrueTypeFont.mortTag) != null; + } + return false; + } + + public void layout(FontStrikeDesc desc, float[] mat, float ptSize, int gmask, int baseIndex, TextRecord tr, int typo_flags, Point2D.Float pt, GVData data) { Font2D font = key.font(); FontStrike strike = font.getStrike(desc); long layoutTables = font.getLayoutTableCache(); + if (useICU) { nativeLayout(font, strike, mat, gmask, baseIndex, tr.text, tr.start, tr.limit, tr.min, tr.max, key.script(), key.lang(), typo_flags, pt, data, font.getUnitsPerEm(), layoutTables); + } else { + long pNativeFont = font.getPlatformNativeFontPtr(); // used on OSX + // pScaler probably not needed long term. + long pScaler = 0L; + if (font instanceof FileFont) { + pScaler = ((FileFont)font).getScaler().nativeScaler; + } + shape(font, strike, ptSize, mat, pScaler, pNativeFont, isAAT(font), + tr.text, data, key.script(), + tr.start, tr.limit, baseIndex, pt, + typo_flags, gmask); + } } + /* Native method to invoke ICU layout engine */ private static native void nativeLayout(Font2D font, FontStrike strike, float[] mat, int gmask, int baseIndex, char[] chars, int offset, int limit, int min, int max, int script, int lang, int typo_flags, Point2D.Float pt, GVData data, long upem, long layoutTables); + + + /* Native method to invoke harfbuzz layout engine */ + private static native boolean + shape(Font2D font, FontStrike strike, float ptSize, float[] mat, + long pscaler, long pNativeFont, boolean aat, + char[] chars, GVData data, + int script, int offset, int limit, + int baseIndex, Point2D.Float pt, int typo_flags, int slot); }
--- a/src/java.desktop/share/classes/sun/font/TrueTypeFont.java Mon Nov 23 14:44:41 2015 +0300 +++ b/src/java.desktop/share/classes/sun/font/TrueTypeFont.java Mon Nov 23 09:58:44 2015 -0800 @@ -83,6 +83,7 @@ public static final int GPOSTag = 0x47504F53; // 'GPOS' public static final int GSUBTag = 0x47535542; // 'GSUB' public static final int mortTag = 0x6D6F7274; // 'mort' + public static final int morxTag = 0x6D6F7278; // 'morx' /* -- Tags for non-standard tables */ public static final int fdscTag = 0x66647363; // 'fdsc' - gxFont descriptor
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/HBShaper.c Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,313 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +#include <jni_util.h> +#include <stdlib.h> +#include "hb.h" +#include "hb-jdk.h" +#include "hb-ot.h" +#ifdef MACOSX +#include "hb-coretext.h" +#endif +#include "scriptMapping.h" + +static jclass gvdClass = 0; +static const char* gvdClassName = "sun/font/GlyphLayout$GVData"; +static jfieldID gvdCountFID = 0; +static jfieldID gvdFlagsFID = 0; +static jfieldID gvdGlyphsFID = 0; +static jfieldID gvdPositionsFID = 0; +static jfieldID gvdIndicesFID = 0; +static int jniInited = 0; + +static void getFloat(JNIEnv* env, jobject pt, jfloat *x, jfloat *y) { + *x = (*env)->GetFloatField(env, pt, sunFontIDs.xFID); + *y = (*env)->GetFloatField(env, pt, sunFontIDs.yFID); +} + +static void putFloat(JNIEnv* env, jobject pt, jfloat x, jfloat y) { + (*env)->SetFloatField(env, pt, sunFontIDs.xFID, x); + (*env)->SetFloatField(env, pt, sunFontIDs.yFID, y); +} + +static int init_JNI_IDs(JNIEnv *env) { + if (jniInited) { + return jniInited; + } + CHECK_NULL_RETURN(gvdClass = (*env)->FindClass(env, gvdClassName), 0); + CHECK_NULL_RETURN(gvdClass = (jclass)(*env)->NewGlobalRef(env, gvdClass), 0); + CHECK_NULL_RETURN(gvdCountFID = (*env)->GetFieldID(env, gvdClass, "_count", "I"), 0); + CHECK_NULL_RETURN(gvdFlagsFID = (*env)->GetFieldID(env, gvdClass, "_flags", "I"), 0); + CHECK_NULL_RETURN(gvdGlyphsFID = (*env)->GetFieldID(env, gvdClass, "_glyphs", "[I"), 0); + CHECK_NULL_RETURN(gvdPositionsFID = (*env)->GetFieldID(env, gvdClass, "_positions", "[F"), 0); + CHECK_NULL_RETURN(gvdIndicesFID = (*env)->GetFieldID(env, gvdClass, "_indices", "[I"), 0); + jniInited = 1; + return jniInited; +} + +// gmask is the composite font slot mask +// baseindex is to be added to the character (code point) index. +int storeGVData(JNIEnv* env, + jobject gvdata, jint slot, jint baseIndex, jobject startPt, + int glyphCount, hb_glyph_info_t *glyphInfo, + hb_glyph_position_t *glyphPos, hb_direction_t direction) { + + int i; + float x=0, y=0; + float startX, startY; + float scale = 1.0f/64.0f; + unsigned int* glyphs; + float* positions; + + if (!init_JNI_IDs(env)) { + return 0; + } + + int initialCount = (*env)->GetIntField(env, gvdata, gvdCountFID); + jarray glyphArray = + (jarray)(*env)->GetObjectField(env, gvdata, gvdGlyphsFID); + jarray posArray = + (jarray)(*env)->GetObjectField(env, gvdata, gvdPositionsFID); + + if (glyphArray == NULL || posArray == NULL) + { + JNU_ThrowArrayIndexOutOfBoundsException(env, ""); + return 0; + } + + // The Java code catches the IIOBE and expands the storage + // and re-invokes layout. I suppose this is expected to be rare + // because at least in a single threaded case there should be + // re-use of the same container, but it is a little wasteful/distateful. + int glyphArrayLen = (*env)->GetArrayLength(env, glyphArray); + int posArrayLen = (*env)->GetArrayLength(env, posArray); + int maxGlyphs = glyphCount + initialCount; + if ((maxGlyphs > glyphArrayLen) || + (maxGlyphs * 2 + 2 > posArrayLen)) + { + JNU_ThrowArrayIndexOutOfBoundsException(env, ""); + return 0; + } + + getFloat(env, startPt, &startX, &startY); + + glyphs = + (unsigned int*)(*env)->GetPrimitiveArrayCritical(env, glyphArray, NULL); + positions = (jfloat*)(*env)->GetPrimitiveArrayCritical(env, posArray, NULL); + for (i = 0; i < glyphCount; i++) { + int storei = i + initialCount; + int index = glyphInfo[i].codepoint | slot; + if (i<glyphCount)glyphs[storei] = (unsigned int)index; + positions[(storei*2)] = startX + x + glyphPos[i].x_offset * scale; + positions[(storei*2)+1] = startY + y - glyphPos[i].y_offset * scale; + x += glyphPos[i].x_advance * scale; + y += glyphPos[i].y_advance * scale; + } + int storeadv = initialCount+glyphCount; + // The final slot in the positions array is important + // because when the GlyphVector is created from this + // data it determines the overall advance of the glyphvector + // and this is used in positioning the next glyphvector + // during rendering where text is broken into runs. + // We also need to report it back into "pt", so layout can + // pass it back down for that next run in this code. + positions[(storeadv*2)] = startX + x; + positions[(storeadv*2)+1] = startY + y; + (*env)->ReleasePrimitiveArrayCritical(env, glyphArray, glyphs, 0); + (*env)->ReleasePrimitiveArrayCritical(env, posArray, positions, 0); + putFloat(env, startPt,positions[(storeadv*2)],positions[(storeadv*2)+1] ); + jarray inxArray = + (jarray)(*env)->GetObjectField(env, gvdata, gvdIndicesFID); + unsigned int* indices = + (unsigned int*)(*env)->GetPrimitiveArrayCritical(env, inxArray, NULL); + int prevCluster = -1; + for (i = 0; i < glyphCount; i++) { + int cluster = glyphInfo[i].cluster; + if (direction == HB_DIRECTION_LTR) { + // I need to understand what hb does when processing a substring + // I expected the cluster index to be from the start of the text + // to process. + // Instead it appears to be from the start of the whole thing. + indices[i+initialCount] = cluster; + } else { + indices[i+initialCount] = baseIndex + glyphCount -1 -i; + } + } + (*env)->ReleasePrimitiveArrayCritical(env, inxArray, indices, 0); + (*env)->SetIntField(env, gvdata, gvdCountFID, initialCount+glyphCount); + return initialCount+glyphCount; +} + +static float euclidianDistance(float a, float b) +{ + float root; + if (a < 0) { + a = -a; + } + + if (b < 0) { + b = -b; + } + + if (a == 0) { + return b; + } + + if (b == 0) { + return a; + } + + /* Do an initial approximation, in root */ + root = a > b ? a + (b / 2) : b + (a / 2); + + /* An unrolled Newton-Raphson iteration sequence */ + root = (root + (a * (a / root)) + (b * (b / root)) + 1) / 2; + root = (root + (a * (a / root)) + (b * (b / root)) + 1) / 2; + root = (root + (a * (a / root)) + (b * (b / root)) + 1) / 2; + + return root; +} + +JDKFontInfo* + createJDKFontInfo(JNIEnv *env, + jobject font2D, + jobject fontStrike, + jfloat ptSize, + jlong pScaler, + jlong pNativeFont, + jfloatArray matrix, + jboolean aat) { + + + JDKFontInfo *fi = (JDKFontInfo*)malloc(sizeof(JDKFontInfo)); + if (!fi) { + return NULL; + } + fi->env = env; // this is valid only for the life of this JNI call. + fi->font2D = font2D; + fi->fontStrike = fontStrike; + fi->nativeFont = pNativeFont; + fi->aat = aat; + (*env)->GetFloatArrayRegion(env, matrix, 0, 4, fi->matrix); + fi->ptSize = ptSize; + fi->xPtSize = euclidianDistance(fi->matrix[0], fi->matrix[1]); + fi->yPtSize = euclidianDistance(fi->matrix[2], fi->matrix[3]); + + return fi; +} + + +#define TYPO_RTL 0x80000000 + +JNIEXPORT jboolean JNICALL Java_sun_font_SunLayoutEngine_shape + (JNIEnv *env, jclass cls, + jobject font2D, + jobject fontStrike, + jfloat ptSize, + jfloatArray matrix, + jlong pScaler, + jlong pNativeFont, + jboolean aat, + jcharArray text, + jobject gvdata, + jint script, + jint offset, + jint limit, + jint baseIndex, + jobject startPt, + jint flags, + jint slot) { + + hb_buffer_t *buffer; + hb_font_t* hbfont; + jchar *chars; + jsize len; + int glyphCount; + hb_glyph_info_t *glyphInfo; + hb_glyph_position_t *glyphPos; + hb_direction_t direction = HB_DIRECTION_LTR; + hb_feature_t *features = NULL; + int featureCount = 0; + + int i; + unsigned int buflen; + + JDKFontInfo *jdkFontInfo = + createJDKFontInfo(env, font2D, fontStrike, ptSize, + pScaler, pNativeFont, matrix, aat); + if (!jdkFontInfo) { + return JNI_FALSE; + } + jdkFontInfo->env = env; // this is valid only for the life of this JNI call. + jdkFontInfo->font2D = font2D; + jdkFontInfo->fontStrike = fontStrike; + + hbfont = hb_jdk_font_create(jdkFontInfo, NULL); + + buffer = hb_buffer_create(); + hb_buffer_set_script(buffer, getHBScriptCode(script)); + hb_buffer_set_language(buffer, + hb_ot_tag_to_language(HB_OT_TAG_DEFAULT_LANGUAGE)); + if ((flags & TYPO_RTL) != 0) { + direction = HB_DIRECTION_RTL; + } + hb_buffer_set_direction(buffer, direction); + + chars = (*env)->GetCharArrayElements(env, text, NULL); + len = (*env)->GetArrayLength(env, text); + + hb_buffer_add_utf16(buffer, chars, len, offset, limit-offset); + + hb_shape_full(hbfont, buffer, features, featureCount, 0); + glyphCount = hb_buffer_get_length(buffer); + glyphInfo = hb_buffer_get_glyph_infos(buffer, 0); + glyphPos = hb_buffer_get_glyph_positions(buffer, &buflen); + for (i = 0; i < glyphCount; i++) { + int index = glyphInfo[i].codepoint; + int xadv = (glyphPos[i].x_advance); + int yadv = (glyphPos[i].y_advance); + } + // On "input" HB assigns a cluster index to each character in UTF-16. + // On output where a sequence of characters have been mapped to + // a glyph they are all mapped to the cluster index of the first character. + // The next cluster index will be that of the first character in the + // next cluster. So cluster indexes may 'skip' on output. + // This can also happen if there are supplementary code-points + // such that two UTF-16 characters are needed to make one codepoint. + // In RTL text you need to count down. + // So the following code tries to build the reverse map as expected + // by calling code. + + storeGVData(env, gvdata, slot, baseIndex, startPt, + glyphCount, glyphInfo, glyphPos, direction); + + hb_buffer_destroy (buffer); + hb_font_destroy(hbfont); + free((void*)jdkFontInfo); + if (features != NULL) free(features); + + return JNI_TRUE; +} +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-atomic-private.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,164 @@ +/* + * Copyright © 2007 Chris Wilson + * Copyright © 2009,2010 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Contributor(s): + * Chris Wilson <chris@chris-wilson.co.uk> + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_ATOMIC_PRIVATE_HH +#define HB_ATOMIC_PRIVATE_HH + +#include "hb-private.hh" + + +/* atomic_int */ + +/* We need external help for these */ + +#if defined(hb_atomic_int_impl_add) \ + && defined(hb_atomic_ptr_impl_get) \ + && defined(hb_atomic_ptr_impl_cmpexch) + +/* Defined externally, i.e. in config.h; must have typedef'ed hb_atomic_int_impl_t as well. */ + + +#elif !defined(HB_NO_MT) && (defined(_WIN32) || defined(__CYGWIN__)) + +#include <windows.h> + +/* MinGW has a convoluted history of supporting MemoryBarrier + * properly. As such, define a function to wrap the whole + * thing. */ +static inline void _HBMemoryBarrier (void) { +#if !defined(MemoryBarrier) + long dummy = 0; + InterlockedExchange (&dummy, 1); +#else + MemoryBarrier (); +#endif +} + +typedef LONG hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) InterlockedExchangeAdd (&(AI), (V)) + +#define hb_atomic_ptr_impl_get(P) (_HBMemoryBarrier (), (void *) *(P)) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) (InterlockedCompareExchangePointer ((void **) (P), (void *) (N), (void *) (O)) == (void *) (O)) + + +#elif !defined(HB_NO_MT) && defined(__APPLE__) + +#include <libkern/OSAtomic.h> +#ifdef __MAC_OS_X_MIN_REQUIRED +#include <AvailabilityMacros.h> +#elif defined(__IPHONE_OS_MIN_REQUIRED) +#include <Availability.h> +#endif + + +typedef int32_t hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) (OSAtomicAdd32Barrier ((V), &(AI)) - (V)) + +#define hb_atomic_ptr_impl_get(P) (OSMemoryBarrier (), (void *) *(P)) +#if (MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_4 || __IPHONE_VERSION_MIN_REQUIRED >= 20100) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) OSAtomicCompareAndSwapPtrBarrier ((void *) (O), (void *) (N), (void **) (P)) +#else +#if __ppc64__ || __x86_64__ || __aarch64__ +#define hb_atomic_ptr_impl_cmpexch(P,O,N) OSAtomicCompareAndSwap64Barrier ((int64_t) (O), (int64_t) (N), (int64_t*) (P)) +#else +#define hb_atomic_ptr_impl_cmpexch(P,O,N) OSAtomicCompareAndSwap32Barrier ((int32_t) (O), (int32_t) (N), (int32_t*) (P)) +#endif +#endif + + +#elif !defined(HB_NO_MT) && defined(HAVE_INTEL_ATOMIC_PRIMITIVES) + +typedef int hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) __sync_fetch_and_add (&(AI), (V)) + +#define hb_atomic_ptr_impl_get(P) (void *) (__sync_synchronize (), *(P)) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) __sync_bool_compare_and_swap ((P), (O), (N)) + + +#elif !defined(HB_NO_MT) && defined(HAVE_SOLARIS_ATOMIC_OPS) + +#include <atomic.h> +#include <mbarrier.h> + +typedef unsigned int hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) ( ({__machine_rw_barrier ();}), atomic_add_int_nv (&(AI), (V)) - (V)) + +#define hb_atomic_ptr_impl_get(P) ( ({__machine_rw_barrier ();}), (void *) *(P)) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) ( ({__machine_rw_barrier ();}), atomic_cas_ptr ((void **) (P), (void *) (O), (void *) (N)) == (void *) (O) ? true : false) + + +#elif !defined(HB_NO_MT) + +#define HB_ATOMIC_INT_NIL 1 /* Warn that fallback implementation is in use. */ + +typedef volatile int hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) (((AI) += (V)) - (V)) + +#define hb_atomic_ptr_impl_get(P) ((void *) *(P)) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) (* (void * volatile *) (P) == (void *) (O) ? (* (void * volatile *) (P) = (void *) (N), true) : false) + + +#else /* HB_NO_MT */ + +typedef int hb_atomic_int_impl_t; +#define HB_ATOMIC_INT_IMPL_INIT(V) (V) +#define hb_atomic_int_impl_add(AI, V) (((AI) += (V)) - (V)) + +#define hb_atomic_ptr_impl_get(P) ((void *) *(P)) +#define hb_atomic_ptr_impl_cmpexch(P,O,N) (* (void **) (P) == (void *) (O) ? (* (void **) (P) = (void *) (N), true) : false) + + +#endif + + +#define HB_ATOMIC_INT_INIT(V) {HB_ATOMIC_INT_IMPL_INIT(V)} + +struct hb_atomic_int_t +{ + hb_atomic_int_impl_t v; + + inline void set_unsafe (int v_) { v = v_; } + inline int get_unsafe (void) const { return v; } + inline int inc (void) { return hb_atomic_int_impl_add (const_cast<hb_atomic_int_impl_t &> (v), 1); } + inline int dec (void) { return hb_atomic_int_impl_add (const_cast<hb_atomic_int_impl_t &> (v), -1); } +}; + + +#define hb_atomic_ptr_get(P) hb_atomic_ptr_impl_get(P) +#define hb_atomic_ptr_cmpexch(P,O,N) hb_atomic_ptr_impl_cmpexch((P),(O),(N)) + + +#endif /* HB_ATOMIC_PRIVATE_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-blob.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,479 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + */ + +/* http://www.oracle.com/technetwork/articles/servers-storage-dev/standardheaderfiles-453865.html */ +#ifndef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 199309L +#endif + +#include "hb-private.hh" + +#include "hb-object-private.hh" + +#ifdef HAVE_SYS_MMAN_H +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif /* HAVE_UNISTD_H */ +#include <sys/mman.h> +#endif /* HAVE_SYS_MMAN_H */ + +#include <stdio.h> +#include <errno.h> + + + +#ifndef HB_DEBUG_BLOB +#define HB_DEBUG_BLOB (HB_DEBUG+0) +#endif + + +struct hb_blob_t { + hb_object_header_t header; + ASSERT_POD (); + + bool immutable; + + const char *data; + unsigned int length; + hb_memory_mode_t mode; + + void *user_data; + hb_destroy_func_t destroy; +}; + + +static bool _try_writable (hb_blob_t *blob); + +static void +_hb_blob_destroy_user_data (hb_blob_t *blob) +{ + if (blob->destroy) { + blob->destroy (blob->user_data); + blob->user_data = NULL; + blob->destroy = NULL; + } +} + +/** + * hb_blob_create: (skip) + * @data: Pointer to blob data. + * @length: Length of @data in bytes. + * @mode: Memory mode for @data. + * @user_data: Data parameter to pass to @destroy. + * @destroy: Callback to call when @data is not needed anymore. + * + * Creates a new "blob" object wrapping @data. The @mode parameter is used + * to negotiate ownership and lifecycle of @data. + * + * Return value: New blob, or the empty blob if something failed or if @length is + * zero. Destroy with hb_blob_destroy(). + * + * Since: 0.9.2 + **/ +hb_blob_t * +hb_blob_create (const char *data, + unsigned int length, + hb_memory_mode_t mode, + void *user_data, + hb_destroy_func_t destroy) +{ + hb_blob_t *blob; + + if (!length || + length >= 1u << 31 || + data + length < data /* overflows */ || + !(blob = hb_object_create<hb_blob_t> ())) { + if (destroy) + destroy (user_data); + return hb_blob_get_empty (); + } + + blob->data = data; + blob->length = length; + blob->mode = mode; + + blob->user_data = user_data; + blob->destroy = destroy; + + if (blob->mode == HB_MEMORY_MODE_DUPLICATE) { + blob->mode = HB_MEMORY_MODE_READONLY; + if (!_try_writable (blob)) { + hb_blob_destroy (blob); + return hb_blob_get_empty (); + } + } + + return blob; +} + +/** + * hb_blob_create_sub_blob: + * @parent: Parent blob. + * @offset: Start offset of sub-blob within @parent, in bytes. + * @length: Length of sub-blob. + * + * Returns a blob that represents a range of bytes in @parent. The new + * blob is always created with %HB_MEMORY_MODE_READONLY, meaning that it + * will never modify data in the parent blob. The parent data is not + * expected to be modified, and will result in undefined behavior if it + * is. + * + * Makes @parent immutable. + * + * Return value: New blob, or the empty blob if something failed or if + * @length is zero or @offset is beyond the end of @parent's data. Destroy + * with hb_blob_destroy(). + * + * Since: 0.9.2 + **/ +hb_blob_t * +hb_blob_create_sub_blob (hb_blob_t *parent, + unsigned int offset, + unsigned int length) +{ + hb_blob_t *blob; + + if (!length || offset >= parent->length) + return hb_blob_get_empty (); + + hb_blob_make_immutable (parent); + + blob = hb_blob_create (parent->data + offset, + MIN (length, parent->length - offset), + HB_MEMORY_MODE_READONLY, + hb_blob_reference (parent), + (hb_destroy_func_t) hb_blob_destroy); + + return blob; +} + +/** + * hb_blob_get_empty: + * + * Returns the singleton empty blob. + * + * See TODO:link object types for more information. + * + * Return value: (transfer full): the empty blob. + * + * Since: 0.9.2 + **/ +hb_blob_t * +hb_blob_get_empty (void) +{ + static const hb_blob_t _hb_blob_nil = { + HB_OBJECT_HEADER_STATIC, + + true, /* immutable */ + + NULL, /* data */ + 0, /* length */ + HB_MEMORY_MODE_READONLY, /* mode */ + + NULL, /* user_data */ + NULL /* destroy */ + }; + + return const_cast<hb_blob_t *> (&_hb_blob_nil); +} + +/** + * hb_blob_reference: (skip) + * @blob: a blob. + * + * Increases the reference count on @blob. + * + * See TODO:link object types for more information. + * + * Return value: @blob. + * + * Since: 0.9.2 + **/ +hb_blob_t * +hb_blob_reference (hb_blob_t *blob) +{ + return hb_object_reference (blob); +} + +/** + * hb_blob_destroy: (skip) + * @blob: a blob. + * + * Descreases the reference count on @blob, and if it reaches zero, destroys + * @blob, freeing all memory, possibly calling the destroy-callback the blob + * was created for if it has not been called already. + * + * See TODO:link object types for more information. + * + * Since: 0.9.2 + **/ +void +hb_blob_destroy (hb_blob_t *blob) +{ + if (!hb_object_destroy (blob)) return; + + _hb_blob_destroy_user_data (blob); + + free (blob); +} + +/** + * hb_blob_set_user_data: (skip) + * @blob: a blob. + * @key: key for data to set. + * @data: data to set. + * @destroy: callback to call when @data is not needed anymore. + * @replace: whether to replace an existing data with the same key. + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_blob_set_user_data (hb_blob_t *blob, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace) +{ + return hb_object_set_user_data (blob, key, data, destroy, replace); +} + +/** + * hb_blob_get_user_data: (skip) + * @blob: a blob. + * @key: key for data to get. + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +void * +hb_blob_get_user_data (hb_blob_t *blob, + hb_user_data_key_t *key) +{ + return hb_object_get_user_data (blob, key); +} + + +/** + * hb_blob_make_immutable: + * @blob: a blob. + * + * + * + * Since: 0.9.2 + **/ +void +hb_blob_make_immutable (hb_blob_t *blob) +{ + if (hb_object_is_inert (blob)) + return; + + blob->immutable = true; +} + +/** + * hb_blob_is_immutable: + * @blob: a blob. + * + * + * + * Return value: TODO + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_blob_is_immutable (hb_blob_t *blob) +{ + return blob->immutable; +} + + +/** + * hb_blob_get_length: + * @blob: a blob. + * + * + * + * Return value: the length of blob data in bytes. + * + * Since: 0.9.2 + **/ +unsigned int +hb_blob_get_length (hb_blob_t *blob) +{ + return blob->length; +} + +/** + * hb_blob_get_data: + * @blob: a blob. + * @length: (out): + * + * + * + * Returns: (transfer none) (array length=length): + * + * Since: 0.9.2 + **/ +const char * +hb_blob_get_data (hb_blob_t *blob, unsigned int *length) +{ + if (length) + *length = blob->length; + + return blob->data; +} + +/** + * hb_blob_get_data_writable: + * @blob: a blob. + * @length: (out): output length of the writable data. + * + * Tries to make blob data writable (possibly copying it) and + * return pointer to data. + * + * Fails if blob has been made immutable, or if memory allocation + * fails. + * + * Returns: (transfer none) (array length=length): Writable blob data, + * or %NULL if failed. + * + * Since: 0.9.2 + **/ +char * +hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length) +{ + if (!_try_writable (blob)) { + if (length) + *length = 0; + + return NULL; + } + + if (length) + *length = blob->length; + + return const_cast<char *> (blob->data); +} + + +static hb_bool_t +_try_make_writable_inplace_unix (hb_blob_t *blob) +{ +#if defined(HAVE_SYS_MMAN_H) && defined(HAVE_MPROTECT) + uintptr_t pagesize = -1, mask, length; + const char *addr; + +#if defined(HAVE_SYSCONF) && defined(_SC_PAGE_SIZE) + pagesize = (uintptr_t) sysconf (_SC_PAGE_SIZE); +#elif defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE) + pagesize = (uintptr_t) sysconf (_SC_PAGESIZE); +#elif defined(HAVE_GETPAGESIZE) + pagesize = (uintptr_t) getpagesize (); +#endif + + if ((uintptr_t) -1L == pagesize) { + DEBUG_MSG_FUNC (BLOB, blob, "failed to get pagesize: %s", strerror (errno)); + return false; + } + DEBUG_MSG_FUNC (BLOB, blob, "pagesize is %lu", (unsigned long) pagesize); + + mask = ~(pagesize-1); + addr = (const char *) (((uintptr_t) blob->data) & mask); + length = (const char *) (((uintptr_t) blob->data + blob->length + pagesize-1) & mask) - addr; + DEBUG_MSG_FUNC (BLOB, blob, + "calling mprotect on [%p..%p] (%lu bytes)", + addr, addr+length, (unsigned long) length); + if (-1 == mprotect ((void *) addr, length, PROT_READ | PROT_WRITE)) { + DEBUG_MSG_FUNC (BLOB, blob, "mprotect failed: %s", strerror (errno)); + return false; + } + + blob->mode = HB_MEMORY_MODE_WRITABLE; + + DEBUG_MSG_FUNC (BLOB, blob, + "successfully made [%p..%p] (%lu bytes) writable\n", + addr, addr+length, (unsigned long) length); + return true; +#else + return false; +#endif +} + +static bool +_try_writable_inplace (hb_blob_t *blob) +{ + DEBUG_MSG_FUNC (BLOB, blob, "making writable inplace\n"); + + if (_try_make_writable_inplace_unix (blob)) + return true; + + DEBUG_MSG_FUNC (BLOB, blob, "making writable -> FAILED\n"); + + /* Failed to make writable inplace, mark that */ + blob->mode = HB_MEMORY_MODE_READONLY; + return false; +} + +static bool +_try_writable (hb_blob_t *blob) +{ + if (blob->immutable) + return false; + + if (blob->mode == HB_MEMORY_MODE_WRITABLE) + return true; + + if (blob->mode == HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE && _try_writable_inplace (blob)) + return true; + + if (blob->mode == HB_MEMORY_MODE_WRITABLE) + return true; + + + DEBUG_MSG_FUNC (BLOB, blob, "current data is -> %p\n", blob->data); + + char *new_data; + + new_data = (char *) malloc (blob->length); + if (unlikely (!new_data)) + return false; + + DEBUG_MSG_FUNC (BLOB, blob, "dupped successfully -> %p\n", blob->data); + + memcpy (new_data, blob->data, blob->length); + _hb_blob_destroy_user_data (blob); + blob->mode = HB_MEMORY_MODE_WRITABLE; + blob->data = new_data; + blob->user_data = new_data; + blob->destroy = free; + + return true; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-blob.h Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,126 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + */ + +#ifndef HB_H_IN +#error "Include <hb.h> instead." +#endif + +#ifndef HB_BLOB_H +#define HB_BLOB_H + +#include "hb-common.h" + +HB_BEGIN_DECLS + + +/* + * Note re various memory-modes: + * + * - In no case shall the HarfBuzz client modify memory + * that is passed to HarfBuzz in a blob. If there is + * any such possibility, MODE_DUPLICATE should be used + * such that HarfBuzz makes a copy immediately, + * + * - Use MODE_READONLY otherse, unless you really really + * really know what you are doing, + * + * - MODE_WRITABLE is appropriate if you really made a + * copy of data solely for the purpose of passing to + * HarfBuzz and doing that just once (no reuse!), + * + * - If the font is mmap()ed, it's ok to use + * READONLY_MAY_MAKE_WRITABLE, however, using that mode + * correctly is very tricky. Use MODE_READONLY instead. + */ +typedef enum { + HB_MEMORY_MODE_DUPLICATE, + HB_MEMORY_MODE_READONLY, + HB_MEMORY_MODE_WRITABLE, + HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE +} hb_memory_mode_t; + +typedef struct hb_blob_t hb_blob_t; + +hb_blob_t * +hb_blob_create (const char *data, + unsigned int length, + hb_memory_mode_t mode, + void *user_data, + hb_destroy_func_t destroy); + +/* Always creates with MEMORY_MODE_READONLY. + * Even if the parent blob is writable, we don't + * want the user of the sub-blob to be able to + * modify the parent data as that data may be + * shared among multiple sub-blobs. + */ +hb_blob_t * +hb_blob_create_sub_blob (hb_blob_t *parent, + unsigned int offset, + unsigned int length); + +hb_blob_t * +hb_blob_get_empty (void); + +hb_blob_t * +hb_blob_reference (hb_blob_t *blob); + +void +hb_blob_destroy (hb_blob_t *blob); + +hb_bool_t +hb_blob_set_user_data (hb_blob_t *blob, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); + + +void * +hb_blob_get_user_data (hb_blob_t *blob, + hb_user_data_key_t *key); + + +void +hb_blob_make_immutable (hb_blob_t *blob); + +hb_bool_t +hb_blob_is_immutable (hb_blob_t *blob); + + +unsigned int +hb_blob_get_length (hb_blob_t *blob); + +const char * +hb_blob_get_data (hb_blob_t *blob, unsigned int *length); + +char * +hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length); + + +HB_END_DECLS + +#endif /* HB_BLOB_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer-deserialize-json.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,643 @@ + +#line 1 "hb-buffer-deserialize-json.rl" +/* + * Copyright © 2013 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_BUFFER_DESERIALIZE_JSON_HH +#define HB_BUFFER_DESERIALIZE_JSON_HH + +#include "hb-private.hh" + + +#line 36 "hb-buffer-deserialize-json.hh" +static const unsigned char _deserialize_json_trans_keys[] = { + 0u, 0u, 9u, 123u, 9u, 34u, 97u, 103u, 120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, + 48u, 57u, 9u, 125u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, + 9u, 125u, 9u, 125u, 108u, 108u, 34u, 34u, 9u, 58u, 9u, 57u, 9u, 125u, 9u, 125u, + 120u, 121u, 34u, 34u, 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, + 9u, 58u, 9u, 57u, 48u, 57u, 9u, 125u, 9u, 125u, 34u, 34u, 9u, 58u, 9u, 57u, + 65u, 122u, 34u, 122u, 9u, 125u, 9u, 125u, 9u, 93u, 9u, 123u, 0u, 0u, 0 +}; + +static const char _deserialize_json_key_spans[] = { + 0, 115, 26, 7, 2, 1, 50, 49, + 10, 117, 117, 117, 1, 50, 49, 10, + 117, 117, 1, 1, 50, 49, 117, 117, + 2, 1, 50, 49, 10, 117, 117, 1, + 50, 49, 10, 117, 117, 1, 50, 49, + 58, 89, 117, 117, 85, 115, 0 +}; + +static const short _deserialize_json_index_offsets[] = { + 0, 0, 116, 143, 151, 154, 156, 207, + 257, 268, 386, 504, 622, 624, 675, 725, + 736, 854, 972, 974, 976, 1027, 1077, 1195, + 1313, 1316, 1318, 1369, 1419, 1430, 1548, 1666, + 1668, 1719, 1769, 1780, 1898, 2016, 2018, 2069, + 2119, 2178, 2268, 2386, 2504, 2590, 2706 +}; + +static const char _deserialize_json_indicies[] = { + 0, 0, 0, 0, 0, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 0, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 2, 1, 3, 3, 3, + 3, 3, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 3, 1, 4, 1, + 5, 1, 6, 7, 1, 1, 8, 1, + 9, 10, 1, 11, 1, 11, 11, 11, + 11, 11, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 11, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 12, 1, + 12, 12, 12, 12, 12, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 12, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 13, 1, 1, 14, + 15, 15, 15, 15, 15, 15, 15, 15, + 15, 1, 16, 17, 17, 17, 17, 17, + 17, 17, 17, 17, 1, 18, 18, 18, + 18, 18, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 18, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 19, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 20, 1, 21, 21, 21, 21, 21, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 21, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 3, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 22, + 1, 18, 18, 18, 18, 18, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 18, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 19, 1, 1, 1, + 17, 17, 17, 17, 17, 17, 17, 17, + 17, 17, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 20, 1, 23, + 1, 23, 23, 23, 23, 23, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 23, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 24, 1, 24, 24, 24, 24, + 24, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 24, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 25, 1, 1, 26, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 1, 28, 29, + 29, 29, 29, 29, 29, 29, 29, 29, + 1, 30, 30, 30, 30, 30, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 30, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 31, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 32, 1, 30, + 30, 30, 30, 30, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 30, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 31, 1, 1, 1, 29, 29, + 29, 29, 29, 29, 29, 29, 29, 29, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 32, 1, 33, 1, 34, + 1, 34, 34, 34, 34, 34, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 34, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 35, 1, 35, 35, 35, 35, + 35, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 35, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 36, 37, 37, 37, 37, + 37, 37, 37, 37, 37, 1, 38, 38, + 38, 38, 38, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 38, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 39, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 40, 1, 38, 38, 38, 38, + 38, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 38, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 39, + 1, 1, 1, 41, 41, 41, 41, 41, + 41, 41, 41, 41, 41, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 40, 1, 42, 43, 1, 44, 1, 44, + 44, 44, 44, 44, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 44, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 45, 1, 45, 45, 45, 45, 45, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 45, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 46, 1, + 1, 47, 48, 48, 48, 48, 48, 48, + 48, 48, 48, 1, 49, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 1, 51, + 51, 51, 51, 51, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 51, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 52, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 53, 1, 51, 51, 51, + 51, 51, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 51, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 52, 1, 1, 1, 50, 50, 50, 50, + 50, 50, 50, 50, 50, 50, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 53, 1, 54, 1, 54, 54, 54, + 54, 54, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 54, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 55, 1, + 55, 55, 55, 55, 55, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 55, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 56, 1, 1, 57, + 58, 58, 58, 58, 58, 58, 58, 58, + 58, 1, 59, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 1, 61, 61, 61, + 61, 61, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 61, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 62, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 63, 1, 61, 61, 61, 61, 61, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 61, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 62, 1, + 1, 1, 60, 60, 60, 60, 60, 60, + 60, 60, 60, 60, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 63, + 1, 64, 1, 64, 64, 64, 64, 64, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 64, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 65, 1, 65, 65, + 65, 65, 65, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 65, 1, 66, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 67, 68, 68, + 68, 68, 68, 68, 68, 68, 68, 1, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 1, 1, 1, 1, 1, 1, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 69, 69, 69, 69, 69, 69, + 69, 69, 1, 70, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 71, 71, + 1, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 1, 1, 1, 1, 1, + 1, 1, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 1, 1, 1, 1, + 71, 1, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 71, 71, 71, 71, + 71, 71, 71, 71, 1, 72, 72, 72, + 72, 72, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 72, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 73, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 74, 1, 72, 72, 72, 72, 72, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 72, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 73, 1, + 1, 1, 75, 75, 75, 75, 75, 75, + 75, 75, 75, 75, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 74, + 1, 76, 76, 76, 76, 76, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 76, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 77, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 78, 1, 0, + 0, 0, 0, 0, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 0, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 1, 0 +}; + +static const char _deserialize_json_trans_targs[] = { + 1, 0, 2, 2, 3, 4, 18, 24, + 37, 5, 12, 6, 7, 8, 9, 11, + 9, 11, 10, 2, 44, 10, 44, 13, + 14, 15, 16, 17, 16, 17, 10, 2, + 44, 19, 20, 21, 22, 23, 10, 2, + 44, 23, 25, 31, 26, 27, 28, 29, + 30, 29, 30, 10, 2, 44, 32, 33, + 34, 35, 36, 35, 36, 10, 2, 44, + 38, 39, 40, 42, 43, 41, 10, 41, + 10, 2, 44, 43, 44, 45, 46 +}; + +static const char _deserialize_json_trans_actions[] = { + 0, 0, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 2, 2, 2, + 0, 0, 3, 3, 4, 0, 5, 0, + 0, 2, 2, 2, 0, 0, 6, 6, + 7, 0, 0, 0, 2, 2, 8, 8, + 9, 0, 0, 0, 0, 0, 2, 2, + 2, 0, 0, 10, 10, 11, 0, 0, + 2, 2, 2, 0, 0, 12, 12, 13, + 0, 0, 0, 2, 2, 2, 14, 0, + 15, 15, 16, 0, 0, 0, 0 +}; + +static const int deserialize_json_start = 1; +static const int deserialize_json_first_final = 44; +static const int deserialize_json_error = 0; + +static const int deserialize_json_en_main = 1; + + +#line 97 "hb-buffer-deserialize-json.rl" + + +static hb_bool_t +_hb_buffer_deserialize_glyphs_json (hb_buffer_t *buffer, + const char *buf, + unsigned int buf_len, + const char **end_ptr, + hb_font_t *font) +{ + const char *p = buf, *pe = buf + buf_len; + + /* Ensure we have positions. */ + (void) hb_buffer_get_glyph_positions (buffer, NULL); + + while (p < pe && ISSPACE (*p)) + p++; + if (p < pe && *p == (buffer->len ? ',' : '[')) + { + *end_ptr = ++p; + } + + const char *tok = NULL; + int cs; + hb_glyph_info_t info = {0}; + hb_glyph_position_t pos = {0}; + +#line 466 "hb-buffer-deserialize-json.hh" + { + cs = deserialize_json_start; + } + +#line 471 "hb-buffer-deserialize-json.hh" + { + int _slen; + int _trans; + const unsigned char *_keys; + const char *_inds; + if ( p == pe ) + goto _test_eof; + if ( cs == 0 ) + goto _out; +_resume: + _keys = _deserialize_json_trans_keys + (cs<<1); + _inds = _deserialize_json_indicies + _deserialize_json_index_offsets[cs]; + + _slen = _deserialize_json_key_spans[cs]; + _trans = _inds[ _slen > 0 && _keys[0] <=(*p) && + (*p) <= _keys[1] ? + (*p) - _keys[0] : _slen ]; + + cs = _deserialize_json_trans_targs[_trans]; + + if ( _deserialize_json_trans_actions[_trans] == 0 ) + goto _again; + + switch ( _deserialize_json_trans_actions[_trans] ) { + case 1: +#line 38 "hb-buffer-deserialize-json.rl" + { + memset (&info, 0, sizeof (info)); + memset (&pos , 0, sizeof (pos )); +} + break; + case 5: +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 2: +#line 51 "hb-buffer-deserialize-json.rl" + { + tok = p; +} + break; + case 14: +#line 55 "hb-buffer-deserialize-json.rl" + { + if (!hb_font_glyph_from_string (font, + tok, p - tok, + &info.codepoint)) + return false; +} + break; + case 15: +#line 62 "hb-buffer-deserialize-json.rl" + { if (!parse_uint (tok, p, &info.codepoint)) return false; } + break; + case 8: +#line 63 "hb-buffer-deserialize-json.rl" + { if (!parse_uint (tok, p, &info.cluster )) return false; } + break; + case 10: +#line 64 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.x_offset )) return false; } + break; + case 12: +#line 65 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.y_offset )) return false; } + break; + case 3: +#line 66 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.x_advance)) return false; } + break; + case 6: +#line 67 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.y_advance)) return false; } + break; + case 16: +#line 62 "hb-buffer-deserialize-json.rl" + { if (!parse_uint (tok, p, &info.codepoint)) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 9: +#line 63 "hb-buffer-deserialize-json.rl" + { if (!parse_uint (tok, p, &info.cluster )) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 11: +#line 64 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.x_offset )) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 13: +#line 65 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.y_offset )) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 4: +#line 66 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.x_advance)) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 7: +#line 67 "hb-buffer-deserialize-json.rl" + { if (!parse_int (tok, p, &pos.y_advance)) return false; } +#line 43 "hb-buffer-deserialize-json.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; +#line 624 "hb-buffer-deserialize-json.hh" + } + +_again: + if ( cs == 0 ) + goto _out; + if ( ++p != pe ) + goto _resume; + _test_eof: {} + _out: {} + } + +#line 125 "hb-buffer-deserialize-json.rl" + + + *end_ptr = p; + + return p == pe && *(p-1) != ']'; +} + +#endif /* HB_BUFFER_DESERIALIZE_JSON_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer-deserialize-text.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,571 @@ + +#line 1 "hb-buffer-deserialize-text.rl" +/* + * Copyright © 2013 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_BUFFER_DESERIALIZE_TEXT_HH +#define HB_BUFFER_DESERIALIZE_TEXT_HH + +#include "hb-private.hh" + + +#line 36 "hb-buffer-deserialize-text.hh" +static const unsigned char _deserialize_text_trans_keys[] = { + 0u, 0u, 9u, 122u, 45u, 57u, 48u, 57u, 45u, 57u, 48u, 57u, 48u, 57u, 45u, 57u, + 48u, 57u, 44u, 44u, 45u, 57u, 48u, 57u, 44u, 57u, 9u, 124u, 9u, 124u, 0u, 0u, + 9u, 122u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, 9u, 124u, + 9u, 124u, 9u, 124u, 9u, 124u, 0 +}; + +static const char _deserialize_text_key_spans[] = { + 0, 114, 13, 10, 13, 10, 10, 13, + 10, 1, 13, 10, 14, 116, 116, 0, + 114, 116, 116, 116, 116, 116, 116, 116, + 116, 116, 116 +}; + +static const short _deserialize_text_index_offsets[] = { + 0, 0, 115, 129, 140, 154, 165, 176, + 190, 201, 203, 217, 228, 243, 360, 477, + 478, 593, 710, 827, 944, 1061, 1178, 1295, + 1412, 1529, 1646 +}; + +static const char _deserialize_text_indicies[] = { + 0, 0, 0, 0, 0, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 0, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 2, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 1, 1, 1, 1, 1, 1, + 1, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 1, 1, 1, 1, 1, + 1, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 1, 5, 1, 1, 6, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 1, 8, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 1, 10, 1, 1, + 11, 12, 12, 12, 12, 12, 12, 12, + 12, 12, 1, 13, 14, 14, 14, 14, + 14, 14, 14, 14, 14, 1, 15, 16, + 16, 16, 16, 16, 16, 16, 16, 16, + 1, 17, 1, 1, 18, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 1, 20, + 21, 21, 21, 21, 21, 21, 21, 21, + 21, 1, 22, 1, 23, 1, 1, 24, + 25, 25, 25, 25, 25, 25, 25, 25, + 25, 1, 26, 27, 27, 27, 27, 27, + 27, 27, 27, 27, 1, 22, 1, 1, + 1, 21, 21, 21, 21, 21, 21, 21, + 21, 21, 21, 1, 28, 28, 28, 28, + 28, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 28, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 29, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 30, 1, 1, 31, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 32, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 33, + 1, 34, 34, 34, 34, 34, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 34, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 35, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 36, 1, 1, 0, + 0, 0, 0, 0, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 0, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 2, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 1, 1, 1, 1, 1, 1, 1, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 1, 1, 1, 1, 1, 1, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, + 4, 1, 28, 28, 28, 28, 28, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 28, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 29, 1, 1, 1, + 1, 37, 37, 37, 37, 37, 37, 37, + 37, 37, 37, 1, 1, 1, 30, 1, + 1, 31, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 32, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 33, 1, 38, + 38, 38, 38, 38, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 38, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 39, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 40, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 41, 1, 42, 42, 42, 42, + 42, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 42, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 43, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 44, + 1, 42, 42, 42, 42, 42, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 42, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 14, 14, 14, 14, 14, 14, 14, 14, + 14, 14, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 43, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 44, 1, 38, 38, + 38, 38, 38, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 38, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 39, 1, 1, 1, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 40, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 41, 1, 45, 45, 45, 45, 45, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 45, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 46, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 47, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 48, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 49, 1, + 50, 50, 50, 50, 50, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 50, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 51, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 52, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 53, 1, 50, 50, 50, + 50, 50, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 50, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 51, + 1, 1, 1, 1, 27, 27, 27, 27, + 27, 27, 27, 27, 27, 27, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 52, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 53, 1, 45, 45, 45, 45, 45, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 45, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 46, 1, 1, 1, + 1, 54, 54, 54, 54, 54, 54, 54, + 54, 54, 54, 1, 1, 1, 1, 1, + 1, 47, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 48, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 49, 1, 28, + 28, 28, 28, 28, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 28, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 29, 1, 55, 55, 1, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 1, 1, 1, 30, 1, 1, 31, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 1, 1, 32, 1, 55, 1, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 55, 55, 55, 55, 55, 55, 55, + 55, 1, 33, 1, 0 +}; + +static const char _deserialize_text_trans_targs[] = { + 1, 0, 13, 17, 26, 3, 18, 21, + 18, 21, 5, 19, 20, 19, 20, 22, + 25, 8, 9, 12, 9, 12, 10, 11, + 23, 24, 23, 24, 14, 2, 6, 7, + 15, 16, 14, 15, 16, 17, 14, 4, + 15, 16, 14, 15, 16, 14, 2, 7, + 15, 16, 14, 2, 15, 16, 25, 26 +}; + +static const char _deserialize_text_trans_actions[] = { + 0, 0, 1, 1, 1, 2, 2, 2, + 0, 0, 2, 2, 2, 0, 0, 2, + 2, 2, 2, 2, 0, 0, 3, 2, + 2, 2, 0, 0, 4, 5, 5, 5, + 4, 4, 0, 0, 0, 0, 6, 7, + 6, 6, 8, 8, 8, 9, 10, 10, + 9, 9, 11, 12, 11, 11, 0, 0 +}; + +static const char _deserialize_text_eof_actions[] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 4, 0, 0, + 0, 4, 6, 8, 8, 6, 9, 11, + 11, 9, 4 +}; + +static const int deserialize_text_start = 1; +static const int deserialize_text_first_final = 13; +static const int deserialize_text_error = 0; + +static const int deserialize_text_en_main = 1; + + +#line 91 "hb-buffer-deserialize-text.rl" + + +static hb_bool_t +_hb_buffer_deserialize_glyphs_text (hb_buffer_t *buffer, + const char *buf, + unsigned int buf_len, + const char **end_ptr, + hb_font_t *font) +{ + const char *p = buf, *pe = buf + buf_len; + + /* Ensure we have positions. */ + (void) hb_buffer_get_glyph_positions (buffer, NULL); + + while (p < pe && ISSPACE (*p)) + p++; + if (p < pe && *p == (buffer->len ? '|' : '[')) + { + *end_ptr = ++p; + } + + const char *eof = pe, *tok = NULL; + int cs; + hb_glyph_info_t info = {0}; + hb_glyph_position_t pos = {0}; + +#line 343 "hb-buffer-deserialize-text.hh" + { + cs = deserialize_text_start; + } + +#line 348 "hb-buffer-deserialize-text.hh" + { + int _slen; + int _trans; + const unsigned char *_keys; + const char *_inds; + if ( p == pe ) + goto _test_eof; + if ( cs == 0 ) + goto _out; +_resume: + _keys = _deserialize_text_trans_keys + (cs<<1); + _inds = _deserialize_text_indicies + _deserialize_text_index_offsets[cs]; + + _slen = _deserialize_text_key_spans[cs]; + _trans = _inds[ _slen > 0 && _keys[0] <=(*p) && + (*p) <= _keys[1] ? + (*p) - _keys[0] : _slen ]; + + cs = _deserialize_text_trans_targs[_trans]; + + if ( _deserialize_text_trans_actions[_trans] == 0 ) + goto _again; + + switch ( _deserialize_text_trans_actions[_trans] ) { + case 2: +#line 51 "hb-buffer-deserialize-text.rl" + { + tok = p; +} + break; + case 5: +#line 55 "hb-buffer-deserialize-text.rl" + { + if (!hb_font_glyph_from_string (font, + tok, p - tok, + &info.codepoint)) + return false; +} + break; + case 10: +#line 62 "hb-buffer-deserialize-text.rl" + { if (!parse_uint (tok, p, &info.cluster )) return false; } + break; + case 3: +#line 63 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.x_offset )) return false; } + break; + case 12: +#line 64 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.y_offset )) return false; } + break; + case 7: +#line 65 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.x_advance)) return false; } + break; + case 1: +#line 38 "hb-buffer-deserialize-text.rl" + { + memset (&info, 0, sizeof (info)); + memset (&pos , 0, sizeof (pos )); +} +#line 51 "hb-buffer-deserialize-text.rl" + { + tok = p; +} + break; + case 4: +#line 55 "hb-buffer-deserialize-text.rl" + { + if (!hb_font_glyph_from_string (font, + tok, p - tok, + &info.codepoint)) + return false; +} +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 9: +#line 62 "hb-buffer-deserialize-text.rl" + { if (!parse_uint (tok, p, &info.cluster )) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 11: +#line 64 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.y_offset )) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 6: +#line 65 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.x_advance)) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 8: +#line 66 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.y_advance)) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; +#line 480 "hb-buffer-deserialize-text.hh" + } + +_again: + if ( cs == 0 ) + goto _out; + if ( ++p != pe ) + goto _resume; + _test_eof: {} + if ( p == eof ) + { + switch ( _deserialize_text_eof_actions[cs] ) { + case 4: +#line 55 "hb-buffer-deserialize-text.rl" + { + if (!hb_font_glyph_from_string (font, + tok, p - tok, + &info.codepoint)) + return false; +} +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 9: +#line 62 "hb-buffer-deserialize-text.rl" + { if (!parse_uint (tok, p, &info.cluster )) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 11: +#line 64 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.y_offset )) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 6: +#line 65 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.x_advance)) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; + case 8: +#line 66 "hb-buffer-deserialize-text.rl" + { if (!parse_int (tok, p, &pos.y_advance)) return false; } +#line 43 "hb-buffer-deserialize-text.rl" + { + buffer->add_info (info); + if (buffer->in_error) + return false; + buffer->pos[buffer->len - 1] = pos; + *end_ptr = p; +} + break; +#line 557 "hb-buffer-deserialize-text.hh" + } + } + + _out: {} + } + +#line 119 "hb-buffer-deserialize-text.rl" + + + *end_ptr = p; + + return p == pe && *(p-1) != ']'; +} + +#endif /* HB_BUFFER_DESERIALIZE_TEXT_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer-private.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,220 @@ +/* + * Copyright © 1998-2004 David Turner and Werner Lemberg + * Copyright © 2004,2007,2009,2010 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Owen Taylor, Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_BUFFER_PRIVATE_HH +#define HB_BUFFER_PRIVATE_HH + +#include "hb-private.hh" +#include "hb-object-private.hh" +#include "hb-unicode-private.hh" + + +ASSERT_STATIC (sizeof (hb_glyph_info_t) == 20); +ASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)); + + +/* + * hb_buffer_t + */ + +struct hb_buffer_t { + hb_object_header_t header; + ASSERT_POD (); + + /* Information about how the text in the buffer should be treated */ + hb_unicode_funcs_t *unicode; /* Unicode functions */ + hb_buffer_flags_t flags; /* BOT / EOT / etc. */ + hb_buffer_cluster_level_t cluster_level; + hb_codepoint_t replacement; /* U+FFFD or something else. */ + + /* Buffer contents */ + hb_buffer_content_type_t content_type; + hb_segment_properties_t props; /* Script, language, direction */ + + bool in_error; /* Allocation failed */ + bool have_output; /* Whether we have an output buffer going on */ + bool have_positions; /* Whether we have positions */ + + unsigned int idx; /* Cursor into ->info and ->pos arrays */ + unsigned int len; /* Length of ->info and ->pos arrays */ + unsigned int out_len; /* Length of ->out array if have_output */ + + unsigned int allocated; /* Length of allocated arrays */ + hb_glyph_info_t *info; + hb_glyph_info_t *out_info; + hb_glyph_position_t *pos; + + inline hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; } + inline hb_glyph_info_t cur (unsigned int i = 0) const { return info[idx + i]; } + + inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; } + inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; } + + inline hb_glyph_info_t &prev (void) { return out_info[out_len - 1]; } + inline hb_glyph_info_t prev (void) const { return info[out_len - 1]; } + + inline bool has_separate_output (void) const { return info != out_info; } + + unsigned int serial; + + /* These reflect current allocations of the bytes in glyph_info_t's var1 and var2. */ + uint8_t allocated_var_bytes[8]; + const char *allocated_var_owner[8]; + + /* Text before / after the main buffer contents. + * Always in Unicode, and ordered outward. + * Index 0 is for "pre-context", 1 for "post-context". */ + static const unsigned int CONTEXT_LENGTH = 5; + hb_codepoint_t context[2][CONTEXT_LENGTH]; + unsigned int context_len[2]; + + + /* Methods */ + + HB_INTERNAL void reset (void); + HB_INTERNAL void clear (void); + + inline unsigned int backtrack_len (void) const + { return have_output? out_len : idx; } + inline unsigned int lookahead_len (void) const + { return len - idx; } + inline unsigned int next_serial (void) { return serial++; } + + HB_INTERNAL void allocate_var (unsigned int byte_i, unsigned int count, const char *owner); + HB_INTERNAL void deallocate_var (unsigned int byte_i, unsigned int count, const char *owner); + HB_INTERNAL void assert_var (unsigned int byte_i, unsigned int count, const char *owner); + HB_INTERNAL void deallocate_var_all (void); + + HB_INTERNAL void add (hb_codepoint_t codepoint, + unsigned int cluster); + HB_INTERNAL void add_info (const hb_glyph_info_t &glyph_info); + + HB_INTERNAL void reverse_range (unsigned int start, unsigned int end); + HB_INTERNAL void reverse (void); + HB_INTERNAL void reverse_clusters (void); + HB_INTERNAL void guess_segment_properties (void); + + HB_INTERNAL void swap_buffers (void); + HB_INTERNAL void remove_output (void); + HB_INTERNAL void clear_output (void); + HB_INTERNAL void clear_positions (void); + + HB_INTERNAL void replace_glyphs (unsigned int num_in, + unsigned int num_out, + const hb_codepoint_t *glyph_data); + + HB_INTERNAL void replace_glyph (hb_codepoint_t glyph_index); + /* Makes a copy of the glyph at idx to output and replace glyph_index */ + HB_INTERNAL void output_glyph (hb_codepoint_t glyph_index); + HB_INTERNAL void output_info (const hb_glyph_info_t &glyph_info); + /* Copies glyph at idx to output but doesn't advance idx */ + HB_INTERNAL void copy_glyph (void); + HB_INTERNAL bool move_to (unsigned int i); /* i is output-buffer index. */ + /* Copies glyph at idx to output and advance idx. + * If there's no output, just advance idx. */ + inline void + next_glyph (void) + { + if (have_output) + { + if (unlikely (out_info != info || out_len != idx)) { + if (unlikely (!make_room_for (1, 1))) return; + out_info[out_len] = info[idx]; + } + out_len++; + } + + idx++; + } + + /* Advance idx without copying to output. */ + inline void skip_glyph (void) { idx++; } + + inline void reset_masks (hb_mask_t mask) + { + for (unsigned int j = 0; j < len; j++) + info[j].mask = mask; + } + inline void add_masks (hb_mask_t mask) + { + for (unsigned int j = 0; j < len; j++) + info[j].mask |= mask; + } + HB_INTERNAL void set_masks (hb_mask_t value, + hb_mask_t mask, + unsigned int cluster_start, + unsigned int cluster_end); + + HB_INTERNAL void merge_clusters (unsigned int start, + unsigned int end) + { + if (end - start < 2) + return; + merge_clusters_impl (start, end); + } + HB_INTERNAL void merge_clusters_impl (unsigned int start, + unsigned int end); + HB_INTERNAL void merge_out_clusters (unsigned int start, + unsigned int end); + /* Merge clusters for deleting current glyph, and skip it. */ + HB_INTERNAL void delete_glyph (void); + + /* Internal methods */ + HB_INTERNAL bool enlarge (unsigned int size); + + inline bool ensure (unsigned int size) + { return likely (!size || size < allocated) ? true : enlarge (size); } + + inline bool ensure_inplace (unsigned int size) + { return likely (!size || size < allocated); } + + HB_INTERNAL bool make_room_for (unsigned int num_in, unsigned int num_out); + HB_INTERNAL bool shift_forward (unsigned int count); + + typedef long scratch_buffer_t; + HB_INTERNAL scratch_buffer_t *get_scratch_buffer (unsigned int *size); + + inline void clear_context (unsigned int side) { context_len[side] = 0; } + + HB_INTERNAL void sort (unsigned int start, unsigned int end, int(*compar)(const hb_glyph_info_t *, const hb_glyph_info_t *)); +}; + + +#define HB_BUFFER_XALLOCATE_VAR(b, func, var, owner) \ + b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \ + sizeof (b->info[0].var), owner) +#define HB_BUFFER_ALLOCATE_VAR(b, var) \ + HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var (), #var) +#define HB_BUFFER_DEALLOCATE_VAR(b, var) \ + HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var (), #var) +#define HB_BUFFER_ASSERT_VAR(b, var) \ + HB_BUFFER_XALLOCATE_VAR (b, assert_var, var (), #var) + + +#endif /* HB_BUFFER_PRIVATE_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer-serialize.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,418 @@ +/* + * Copyright © 2012,2013 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#include "hb-buffer-private.hh" + + +static const char *serialize_formats[] = { + "text", + "json", + NULL +}; + +/** + * hb_buffer_serialize_list_formats: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +const char ** +hb_buffer_serialize_list_formats (void) +{ + return serialize_formats; +} + +/** + * hb_buffer_serialize_format_from_string: + * @str: + * @len: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_buffer_serialize_format_t +hb_buffer_serialize_format_from_string (const char *str, int len) +{ + /* Upper-case it. */ + return (hb_buffer_serialize_format_t) (hb_tag_from_string (str, len) & ~0x20202020u); +} + +/** + * hb_buffer_serialize_format_to_string: + * @format: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +const char * +hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format) +{ + switch (format) + { + case HB_BUFFER_SERIALIZE_FORMAT_TEXT: return serialize_formats[0]; + case HB_BUFFER_SERIALIZE_FORMAT_JSON: return serialize_formats[1]; + default: + case HB_BUFFER_SERIALIZE_FORMAT_INVALID: return NULL; + } +} + +static unsigned int +_hb_buffer_serialize_glyphs_json (hb_buffer_t *buffer, + unsigned int start, + unsigned int end, + char *buf, + unsigned int buf_size, + unsigned int *buf_consumed, + hb_font_t *font, + hb_buffer_serialize_flags_t flags) +{ + hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL); + hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ? + NULL : hb_buffer_get_glyph_positions (buffer, NULL); + + *buf_consumed = 0; + for (unsigned int i = start; i < end; i++) + { + char b[1024]; + char *p = b; + + /* In the following code, we know b is large enough that no overflow can happen. */ + +#define APPEND(s) HB_STMT_START { strcpy (p, s); p += strlen (s); } HB_STMT_END + + if (i) + *p++ = ','; + + *p++ = '{'; + + APPEND ("\"g\":"); + if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES)) + { + char g[128]; + hb_font_glyph_to_string (font, info[i].codepoint, g, sizeof (g)); + *p++ = '"'; + for (char *q = g; *q; q++) { + if (*q == '"') + *p++ = '\\'; + *p++ = *q; + } + *p++ = '"'; + } + else + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%u", info[i].codepoint)); + + if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS)) { + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"cl\":%u", info[i].cluster)); + } + + if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS)) + { + p += snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"dx\":%d,\"dy\":%d", + pos[i].x_offset, pos[i].y_offset); + p += snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"ax\":%d,\"ay\":%d", + pos[i].x_advance, pos[i].y_advance); + } + + if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS) + { + hb_glyph_extents_t extents; + hb_font_get_glyph_extents(font, info[i].codepoint, &extents); + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d", + extents.x_bearing, extents.y_bearing)); + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d", + extents.width, extents.height)); + } + + *p++ = '}'; + + unsigned int l = p - b; + if (buf_size > l) + { + memcpy (buf, b, l); + buf += l; + buf_size -= l; + *buf_consumed += l; + *buf = '\0'; + } else + return i - start; + } + + return end - start; +} + +static unsigned int +_hb_buffer_serialize_glyphs_text (hb_buffer_t *buffer, + unsigned int start, + unsigned int end, + char *buf, + unsigned int buf_size, + unsigned int *buf_consumed, + hb_font_t *font, + hb_buffer_serialize_flags_t flags) +{ + hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL); + hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ? + NULL : hb_buffer_get_glyph_positions (buffer, NULL); + + *buf_consumed = 0; + for (unsigned int i = start; i < end; i++) + { + char b[1024]; + char *p = b; + + /* In the following code, we know b is large enough that no overflow can happen. */ + + if (i) + *p++ = '|'; + + if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES)) + { + hb_font_glyph_to_string (font, info[i].codepoint, p, 128); + p += strlen (p); + } + else + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%u", info[i].codepoint)); + + if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS)) { + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "=%u", info[i].cluster)); + } + + if (!(flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS)) + { + if (pos[i].x_offset || pos[i].y_offset) + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "@%d,%d", pos[i].x_offset, pos[i].y_offset)); + + *p++ = '+'; + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "%d", pos[i].x_advance)); + if (pos[i].y_advance) + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance)); + } + + if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS) + { + hb_glyph_extents_t extents; + hb_font_get_glyph_extents(font, info[i].codepoint, &extents); + p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height)); + } + + unsigned int l = p - b; + if (buf_size > l) + { + memcpy (buf, b, l); + buf += l; + buf_size -= l; + *buf_consumed += l; + *buf = '\0'; + } else + return i - start; + } + + return end - start; +} + +/* Returns number of items, starting at start, that were serialized. */ +/** + * hb_buffer_serialize_glyphs: + * @buffer: a buffer. + * @start: + * @end: + * @buf: (array length=buf_size): + * @buf_size: + * @buf_consumed: (out): + * @font: + * @format: + * @flags: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +unsigned int +hb_buffer_serialize_glyphs (hb_buffer_t *buffer, + unsigned int start, + unsigned int end, + char *buf, + unsigned int buf_size, + unsigned int *buf_consumed, /* May be NULL */ + hb_font_t *font, /* May be NULL */ + hb_buffer_serialize_format_t format, + hb_buffer_serialize_flags_t flags) +{ + assert (start <= end && end <= buffer->len); + + unsigned int sconsumed; + if (!buf_consumed) + buf_consumed = &sconsumed; + *buf_consumed = 0; + + assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) || + buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS); + + if (unlikely (start == end)) + return 0; + + if (!font) + font = hb_font_get_empty (); + + switch (format) + { + case HB_BUFFER_SERIALIZE_FORMAT_TEXT: + return _hb_buffer_serialize_glyphs_text (buffer, start, end, + buf, buf_size, buf_consumed, + font, flags); + + case HB_BUFFER_SERIALIZE_FORMAT_JSON: + return _hb_buffer_serialize_glyphs_json (buffer, start, end, + buf, buf_size, buf_consumed, + font, flags); + + default: + case HB_BUFFER_SERIALIZE_FORMAT_INVALID: + return 0; + + } +} + + +static hb_bool_t +parse_uint (const char *pp, const char *end, uint32_t *pv) +{ + char buf[32]; + unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - pp)); + strncpy (buf, pp, len); + buf[len] = '\0'; + + char *p = buf; + char *pend = p; + uint32_t v; + + errno = 0; + v = strtol (p, &pend, 10); + if (errno || p == pend || pend - p != end - pp) + return false; + + *pv = v; + return true; +} + +static hb_bool_t +parse_int (const char *pp, const char *end, int32_t *pv) +{ + char buf[32]; + unsigned int len = MIN (ARRAY_LENGTH (buf) - 1, (unsigned int) (end - pp)); + strncpy (buf, pp, len); + buf[len] = '\0'; + + char *p = buf; + char *pend = p; + int32_t v; + + errno = 0; + v = strtol (p, &pend, 10); + if (errno || p == pend || pend - p != end - pp) + return false; + + *pv = v; + return true; +} + +#include "hb-buffer-deserialize-json.hh" +#include "hb-buffer-deserialize-text.hh" + +/** + * hb_buffer_deserialize_glyphs: + * @buffer: a buffer. + * @buf: (array length=buf_len): + * @buf_len: + * @end_ptr: (out): + * @font: + * @format: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_buffer_deserialize_glyphs (hb_buffer_t *buffer, + const char *buf, + int buf_len, /* -1 means nul-terminated */ + const char **end_ptr, /* May be NULL */ + hb_font_t *font, /* May be NULL */ + hb_buffer_serialize_format_t format) +{ + const char *end; + if (!end_ptr) + end_ptr = &end; + *end_ptr = buf; + + assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) || + buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS); + + if (buf_len == -1) + buf_len = strlen (buf); + + if (!buf_len) + { + *end_ptr = buf; + return false; + } + + hb_buffer_set_content_type (buffer, HB_BUFFER_CONTENT_TYPE_GLYPHS); + + if (!font) + font = hb_font_get_empty (); + + switch (format) + { + case HB_BUFFER_SERIALIZE_FORMAT_TEXT: + return _hb_buffer_deserialize_glyphs_text (buffer, + buf, buf_len, end_ptr, + font); + + case HB_BUFFER_SERIALIZE_FORMAT_JSON: + return _hb_buffer_deserialize_glyphs_json (buffer, + buf, buf_len, end_ptr, + font); + + default: + case HB_BUFFER_SERIALIZE_FORMAT_INVALID: + return false; + + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,1701 @@ +/* + * Copyright © 1998-2004 David Turner and Werner Lemberg + * Copyright © 2004,2007,2009,2010 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Owen Taylor, Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#include "hb-buffer-private.hh" +#include "hb-utf-private.hh" + + +#ifndef HB_DEBUG_BUFFER +#define HB_DEBUG_BUFFER (HB_DEBUG+0) +#endif + + +/** + * Since: 0.9.7 + **/ +hb_bool_t +hb_segment_properties_equal (const hb_segment_properties_t *a, + const hb_segment_properties_t *b) +{ + return a->direction == b->direction && + a->script == b->script && + a->language == b->language && + a->reserved1 == b->reserved1 && + a->reserved2 == b->reserved2; + +} + +/** + * Since: 0.9.7 + **/ +unsigned int +hb_segment_properties_hash (const hb_segment_properties_t *p) +{ + return (unsigned int) p->direction ^ + (unsigned int) p->script ^ + (intptr_t) (p->language); +} + + + +/* Here is how the buffer works internally: + * + * There are two info pointers: info and out_info. They always have + * the same allocated size, but different lengths. + * + * As an optimization, both info and out_info may point to the + * same piece of memory, which is owned by info. This remains the + * case as long as out_len doesn't exceed i at any time. + * In that case, swap_buffers() is no-op and the glyph operations operate + * mostly in-place. + * + * As soon as out_info gets longer than info, out_info is moved over + * to an alternate buffer (which we reuse the pos buffer for!), and its + * current contents (out_len entries) are copied to the new place. + * This should all remain transparent to the user. swap_buffers() then + * switches info and out_info. + */ + + + +/* Internal API */ + +bool +hb_buffer_t::enlarge (unsigned int size) +{ + if (unlikely (in_error)) + return false; + + unsigned int new_allocated = allocated; + hb_glyph_position_t *new_pos = NULL; + hb_glyph_info_t *new_info = NULL; + bool separate_out = out_info != info; + + if (unlikely (_hb_unsigned_int_mul_overflows (size, sizeof (info[0])))) + goto done; + + while (size >= new_allocated) + new_allocated += (new_allocated >> 1) + 32; + + ASSERT_STATIC (sizeof (info[0]) == sizeof (pos[0])); + if (unlikely (_hb_unsigned_int_mul_overflows (new_allocated, sizeof (info[0])))) + goto done; + + new_pos = (hb_glyph_position_t *) realloc (pos, new_allocated * sizeof (pos[0])); + new_info = (hb_glyph_info_t *) realloc (info, new_allocated * sizeof (info[0])); + +done: + if (unlikely (!new_pos || !new_info)) + in_error = true; + + if (likely (new_pos)) + pos = new_pos; + + if (likely (new_info)) + info = new_info; + + out_info = separate_out ? (hb_glyph_info_t *) pos : info; + if (likely (!in_error)) + allocated = new_allocated; + + return likely (!in_error); +} + +bool +hb_buffer_t::make_room_for (unsigned int num_in, + unsigned int num_out) +{ + if (unlikely (!ensure (out_len + num_out))) return false; + + if (out_info == info && + out_len + num_out > idx + num_in) + { + assert (have_output); + + out_info = (hb_glyph_info_t *) pos; + memcpy (out_info, info, out_len * sizeof (out_info[0])); + } + + return true; +} + +bool +hb_buffer_t::shift_forward (unsigned int count) +{ + assert (have_output); + if (unlikely (!ensure (len + count))) return false; + + memmove (info + idx + count, info + idx, (len - idx) * sizeof (info[0])); + len += count; + idx += count; + + return true; +} + +hb_buffer_t::scratch_buffer_t * +hb_buffer_t::get_scratch_buffer (unsigned int *size) +{ + have_output = false; + have_positions = false; + + out_len = 0; + out_info = info; + + assert ((uintptr_t) pos % sizeof (scratch_buffer_t) == 0); + *size = allocated * sizeof (pos[0]) / sizeof (scratch_buffer_t); + return (scratch_buffer_t *) (void *) pos; +} + + + +/* HarfBuzz-Internal API */ + +void +hb_buffer_t::reset (void) +{ + if (unlikely (hb_object_is_inert (this))) + return; + + hb_unicode_funcs_destroy (unicode); + unicode = hb_unicode_funcs_get_default (); + flags = HB_BUFFER_FLAG_DEFAULT; + replacement = HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT; + + clear (); +} + +void +hb_buffer_t::clear (void) +{ + if (unlikely (hb_object_is_inert (this))) + return; + + hb_segment_properties_t default_props = HB_SEGMENT_PROPERTIES_DEFAULT; + props = default_props; + + content_type = HB_BUFFER_CONTENT_TYPE_INVALID; + in_error = false; + have_output = false; + have_positions = false; + + idx = 0; + len = 0; + out_len = 0; + out_info = info; + + serial = 0; + memset (allocated_var_bytes, 0, sizeof allocated_var_bytes); + memset (allocated_var_owner, 0, sizeof allocated_var_owner); + + memset (context, 0, sizeof context); + memset (context_len, 0, sizeof context_len); +} + +void +hb_buffer_t::add (hb_codepoint_t codepoint, + unsigned int cluster) +{ + hb_glyph_info_t *glyph; + + if (unlikely (!ensure (len + 1))) return; + + glyph = &info[len]; + + memset (glyph, 0, sizeof (*glyph)); + glyph->codepoint = codepoint; + glyph->mask = 1; + glyph->cluster = cluster; + + len++; +} + +void +hb_buffer_t::add_info (const hb_glyph_info_t &glyph_info) +{ + if (unlikely (!ensure (len + 1))) return; + + info[len] = glyph_info; + + len++; +} + + +void +hb_buffer_t::remove_output (void) +{ + if (unlikely (hb_object_is_inert (this))) + return; + + have_output = false; + have_positions = false; + + out_len = 0; + out_info = info; +} + +void +hb_buffer_t::clear_output (void) +{ + if (unlikely (hb_object_is_inert (this))) + return; + + have_output = true; + have_positions = false; + + out_len = 0; + out_info = info; +} + +void +hb_buffer_t::clear_positions (void) +{ + if (unlikely (hb_object_is_inert (this))) + return; + + have_output = false; + have_positions = true; + + out_len = 0; + out_info = info; + + memset (pos, 0, sizeof (pos[0]) * len); +} + +void +hb_buffer_t::swap_buffers (void) +{ + if (unlikely (in_error)) return; + + assert (have_output); + have_output = false; + + if (out_info != info) + { + hb_glyph_info_t *tmp_string; + tmp_string = info; + info = out_info; + out_info = tmp_string; + pos = (hb_glyph_position_t *) out_info; + } + + unsigned int tmp; + tmp = len; + len = out_len; + out_len = tmp; + + idx = 0; +} + + +void +hb_buffer_t::replace_glyphs (unsigned int num_in, + unsigned int num_out, + const uint32_t *glyph_data) +{ + if (unlikely (!make_room_for (num_in, num_out))) return; + + merge_clusters (idx, idx + num_in); + + hb_glyph_info_t orig_info = info[idx]; + hb_glyph_info_t *pinfo = &out_info[out_len]; + for (unsigned int i = 0; i < num_out; i++) + { + *pinfo = orig_info; + pinfo->codepoint = glyph_data[i]; + pinfo++; + } + + idx += num_in; + out_len += num_out; +} + +void +hb_buffer_t::output_glyph (hb_codepoint_t glyph_index) +{ + if (unlikely (!make_room_for (0, 1))) return; + + out_info[out_len] = info[idx]; + out_info[out_len].codepoint = glyph_index; + + out_len++; +} + +void +hb_buffer_t::output_info (const hb_glyph_info_t &glyph_info) +{ + if (unlikely (!make_room_for (0, 1))) return; + + out_info[out_len] = glyph_info; + + out_len++; +} + +void +hb_buffer_t::copy_glyph (void) +{ + if (unlikely (!make_room_for (0, 1))) return; + + out_info[out_len] = info[idx]; + + out_len++; +} + +bool +hb_buffer_t::move_to (unsigned int i) +{ + if (!have_output) + { + assert (i <= len); + idx = i; + return true; + } + + assert (i <= out_len + (len - idx)); + + if (out_len < i) + { + unsigned int count = i - out_len; + if (unlikely (!make_room_for (count, count))) return false; + + memmove (out_info + out_len, info + idx, count * sizeof (out_info[0])); + idx += count; + out_len += count; + } + else if (out_len > i) + { + /* Tricky part: rewinding... */ + unsigned int count = out_len - i; + + if (unlikely (idx < count && !shift_forward (count + 32))) return false; + + assert (idx >= count); + + idx -= count; + out_len -= count; + memmove (info + idx, out_info + out_len, count * sizeof (out_info[0])); + } + + return true; +} + +void +hb_buffer_t::replace_glyph (hb_codepoint_t glyph_index) +{ + if (unlikely (out_info != info || out_len != idx)) { + if (unlikely (!make_room_for (1, 1))) return; + out_info[out_len] = info[idx]; + } + out_info[out_len].codepoint = glyph_index; + + idx++; + out_len++; +} + + +void +hb_buffer_t::set_masks (hb_mask_t value, + hb_mask_t mask, + unsigned int cluster_start, + unsigned int cluster_end) +{ + hb_mask_t not_mask = ~mask; + value &= mask; + + if (!mask) + return; + + if (cluster_start == 0 && cluster_end == (unsigned int)-1) { + unsigned int count = len; + for (unsigned int i = 0; i < count; i++) + info[i].mask = (info[i].mask & not_mask) | value; + return; + } + + unsigned int count = len; + for (unsigned int i = 0; i < count; i++) + if (cluster_start <= info[i].cluster && info[i].cluster < cluster_end) + info[i].mask = (info[i].mask & not_mask) | value; +} + +void +hb_buffer_t::reverse_range (unsigned int start, + unsigned int end) +{ + unsigned int i, j; + + if (end - start < 2) + return; + + for (i = start, j = end - 1; i < j; i++, j--) { + hb_glyph_info_t t; + + t = info[i]; + info[i] = info[j]; + info[j] = t; + } + + if (have_positions) { + for (i = start, j = end - 1; i < j; i++, j--) { + hb_glyph_position_t t; + + t = pos[i]; + pos[i] = pos[j]; + pos[j] = t; + } + } +} + +void +hb_buffer_t::reverse (void) +{ + if (unlikely (!len)) + return; + + reverse_range (0, len); +} + +void +hb_buffer_t::reverse_clusters (void) +{ + unsigned int i, start, count, last_cluster; + + if (unlikely (!len)) + return; + + reverse (); + + count = len; + start = 0; + last_cluster = info[0].cluster; + for (i = 1; i < count; i++) { + if (last_cluster != info[i].cluster) { + reverse_range (start, i); + start = i; + last_cluster = info[i].cluster; + } + } + reverse_range (start, i); +} + +void +hb_buffer_t::merge_clusters_impl (unsigned int start, + unsigned int end) +{ + if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS) + return; + + unsigned int cluster = info[start].cluster; + + for (unsigned int i = start + 1; i < end; i++) + cluster = MIN (cluster, info[i].cluster); + + /* Extend end */ + while (end < len && info[end - 1].cluster == info[end].cluster) + end++; + + /* Extend start */ + while (idx < start && info[start - 1].cluster == info[start].cluster) + start--; + + /* If we hit the start of buffer, continue in out-buffer. */ + if (idx == start) + for (unsigned int i = out_len; i && out_info[i - 1].cluster == info[start].cluster; i--) + out_info[i - 1].cluster = cluster; + + for (unsigned int i = start; i < end; i++) + info[i].cluster = cluster; +} +void +hb_buffer_t::merge_out_clusters (unsigned int start, + unsigned int end) +{ + if (cluster_level == HB_BUFFER_CLUSTER_LEVEL_CHARACTERS) + return; + + if (unlikely (end - start < 2)) + return; + + unsigned int cluster = out_info[start].cluster; + + for (unsigned int i = start + 1; i < end; i++) + cluster = MIN (cluster, out_info[i].cluster); + + /* Extend start */ + while (start && out_info[start - 1].cluster == out_info[start].cluster) + start--; + + /* Extend end */ + while (end < out_len && out_info[end - 1].cluster == out_info[end].cluster) + end++; + + /* If we hit the end of out-buffer, continue in buffer. */ + if (end == out_len) + for (unsigned int i = idx; i < len && info[i].cluster == out_info[end - 1].cluster; i++) + info[i].cluster = cluster; + + for (unsigned int i = start; i < end; i++) + out_info[i].cluster = cluster; +} +void +hb_buffer_t::delete_glyph () +{ + unsigned int cluster = info[idx].cluster; + if (idx + 1 < len && cluster == info[idx + 1].cluster) + { + /* Cluster survives; do nothing. */ + goto done; + } + + if (out_len) + { + /* Merge cluster backward. */ + if (cluster < out_info[out_len - 1].cluster) + { + unsigned int old_cluster = out_info[out_len - 1].cluster; + for (unsigned i = out_len; i && out_info[i - 1].cluster == old_cluster; i--) + out_info[i - 1].cluster = cluster; + } + goto done; + } + + if (idx + 1 < len) + { + /* Merge cluster forward. */ + merge_clusters (idx, idx + 2); + goto done; + } + +done: + skip_glyph (); +} + +void +hb_buffer_t::guess_segment_properties (void) +{ + assert (content_type == HB_BUFFER_CONTENT_TYPE_UNICODE || + (!len && content_type == HB_BUFFER_CONTENT_TYPE_INVALID)); + + /* If script is set to INVALID, guess from buffer contents */ + if (props.script == HB_SCRIPT_INVALID) { + for (unsigned int i = 0; i < len; i++) { + hb_script_t script = unicode->script (info[i].codepoint); + if (likely (script != HB_SCRIPT_COMMON && + script != HB_SCRIPT_INHERITED && + script != HB_SCRIPT_UNKNOWN)) { + props.script = script; + break; + } + } + } + + /* If direction is set to INVALID, guess from script */ + if (props.direction == HB_DIRECTION_INVALID) { + props.direction = hb_script_get_horizontal_direction (props.script); + } + + /* If language is not set, use default language from locale */ + if (props.language == HB_LANGUAGE_INVALID) { + /* TODO get_default_for_script? using $LANGUAGE */ + props.language = hb_language_get_default (); + } +} + + +static inline void +dump_var_allocation (const hb_buffer_t *buffer) +{ + char buf[80]; + for (unsigned int i = 0; i < 8; i++) + buf[i] = '0' + buffer->allocated_var_bytes[7 - i]; + buf[8] = '\0'; + DEBUG_MSG (BUFFER, buffer, + "Current var allocation: %s", + buf); +} + +void hb_buffer_t::allocate_var (unsigned int byte_i, unsigned int count, const char *owner) +{ + assert (byte_i < 8 && byte_i + count <= 8); + + if (DEBUG_ENABLED (BUFFER)) + dump_var_allocation (this); + DEBUG_MSG (BUFFER, this, + "Allocating var bytes %d..%d for %s", + byte_i, byte_i + count - 1, owner); + + for (unsigned int i = byte_i; i < byte_i + count; i++) { + assert (!allocated_var_bytes[i]); + allocated_var_bytes[i]++; + allocated_var_owner[i] = owner; + } +} + +void hb_buffer_t::deallocate_var (unsigned int byte_i, unsigned int count, const char *owner) +{ + if (DEBUG_ENABLED (BUFFER)) + dump_var_allocation (this); + + DEBUG_MSG (BUFFER, this, + "Deallocating var bytes %d..%d for %s", + byte_i, byte_i + count - 1, owner); + + assert (byte_i < 8 && byte_i + count <= 8); + for (unsigned int i = byte_i; i < byte_i + count; i++) { + assert (allocated_var_bytes[i]); + assert (0 == strcmp (allocated_var_owner[i], owner)); + allocated_var_bytes[i]--; + } +} + +void hb_buffer_t::assert_var (unsigned int byte_i, unsigned int count, const char *owner) +{ + if (DEBUG_ENABLED (BUFFER)) + dump_var_allocation (this); + + DEBUG_MSG (BUFFER, this, + "Asserting var bytes %d..%d for %s", + byte_i, byte_i + count - 1, owner); + + assert (byte_i < 8 && byte_i + count <= 8); + for (unsigned int i = byte_i; i < byte_i + count; i++) { + assert (allocated_var_bytes[i]); + assert (0 == strcmp (allocated_var_owner[i], owner)); + } +} + +void hb_buffer_t::deallocate_var_all (void) +{ + memset (allocated_var_bytes, 0, sizeof (allocated_var_bytes)); + memset (allocated_var_owner, 0, sizeof (allocated_var_owner)); +} + +/* Public API */ + +/** + * hb_buffer_create: (Xconstructor) + * + * + * + * Return value: (transfer full) + * + * Since: 0.9.2 + **/ +hb_buffer_t * +hb_buffer_create (void) +{ + hb_buffer_t *buffer; + + if (!(buffer = hb_object_create<hb_buffer_t> ())) + return hb_buffer_get_empty (); + + buffer->reset (); + + return buffer; +} + +/** + * hb_buffer_get_empty: + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_buffer_t * +hb_buffer_get_empty (void) +{ + static const hb_buffer_t _hb_buffer_nil = { + HB_OBJECT_HEADER_STATIC, + + const_cast<hb_unicode_funcs_t *> (&_hb_unicode_funcs_nil), + HB_BUFFER_FLAG_DEFAULT, + HB_BUFFER_CLUSTER_LEVEL_DEFAULT, + HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT, + + HB_BUFFER_CONTENT_TYPE_INVALID, + HB_SEGMENT_PROPERTIES_DEFAULT, + true, /* in_error */ + true, /* have_output */ + true /* have_positions */ + + /* Zero is good enough for everything else. */ + }; + + return const_cast<hb_buffer_t *> (&_hb_buffer_nil); +} + +/** + * hb_buffer_reference: (skip) + * @buffer: a buffer. + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_buffer_t * +hb_buffer_reference (hb_buffer_t *buffer) +{ + return hb_object_reference (buffer); +} + +/** + * hb_buffer_destroy: (skip) + * @buffer: a buffer. + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_destroy (hb_buffer_t *buffer) +{ + if (!hb_object_destroy (buffer)) return; + + hb_unicode_funcs_destroy (buffer->unicode); + + free (buffer->info); + free (buffer->pos); + + free (buffer); +} + +/** + * hb_buffer_set_user_data: (skip) + * @buffer: a buffer. + * @key: + * @data: + * @destroy: + * @replace: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_buffer_set_user_data (hb_buffer_t *buffer, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace) +{ + return hb_object_set_user_data (buffer, key, data, destroy, replace); +} + +/** + * hb_buffer_get_user_data: (skip) + * @buffer: a buffer. + * @key: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +void * +hb_buffer_get_user_data (hb_buffer_t *buffer, + hb_user_data_key_t *key) +{ + return hb_object_get_user_data (buffer, key); +} + + +/** + * hb_buffer_set_content_type: + * @buffer: a buffer. + * @content_type: + * + * + * + * Since: 0.9.5 + **/ +void +hb_buffer_set_content_type (hb_buffer_t *buffer, + hb_buffer_content_type_t content_type) +{ + buffer->content_type = content_type; +} + +/** + * hb_buffer_get_content_type: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.5 + **/ +hb_buffer_content_type_t +hb_buffer_get_content_type (hb_buffer_t *buffer) +{ + return buffer->content_type; +} + + +/** + * hb_buffer_set_unicode_funcs: + * @buffer: a buffer. + * @unicode_funcs: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_set_unicode_funcs (hb_buffer_t *buffer, + hb_unicode_funcs_t *unicode_funcs) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + if (!unicode_funcs) + unicode_funcs = hb_unicode_funcs_get_default (); + + + hb_unicode_funcs_reference (unicode_funcs); + hb_unicode_funcs_destroy (buffer->unicode); + buffer->unicode = unicode_funcs; +} + +/** + * hb_buffer_get_unicode_funcs: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_unicode_funcs_t * +hb_buffer_get_unicode_funcs (hb_buffer_t *buffer) +{ + return buffer->unicode; +} + +/** + * hb_buffer_set_direction: + * @buffer: a buffer. + * @direction: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_set_direction (hb_buffer_t *buffer, + hb_direction_t direction) + +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->props.direction = direction; +} + +/** + * hb_buffer_get_direction: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_direction_t +hb_buffer_get_direction (hb_buffer_t *buffer) +{ + return buffer->props.direction; +} + +/** + * hb_buffer_set_script: + * @buffer: a buffer. + * @script: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_set_script (hb_buffer_t *buffer, + hb_script_t script) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->props.script = script; +} + +/** + * hb_buffer_get_script: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_script_t +hb_buffer_get_script (hb_buffer_t *buffer) +{ + return buffer->props.script; +} + +/** + * hb_buffer_set_language: + * @buffer: a buffer. + * @language: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_set_language (hb_buffer_t *buffer, + hb_language_t language) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->props.language = language; +} + +/** + * hb_buffer_get_language: + * @buffer: a buffer. + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +hb_language_t +hb_buffer_get_language (hb_buffer_t *buffer) +{ + return buffer->props.language; +} + +/** + * hb_buffer_set_segment_properties: + * @buffer: a buffer. + * @props: + * + * + * + * Since: 0.9.7 + **/ +void +hb_buffer_set_segment_properties (hb_buffer_t *buffer, + const hb_segment_properties_t *props) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->props = *props; +} + +/** + * hb_buffer_get_segment_properties: + * @buffer: a buffer. + * @props: (out): + * + * + * + * Since: 0.9.7 + **/ +void +hb_buffer_get_segment_properties (hb_buffer_t *buffer, + hb_segment_properties_t *props) +{ + *props = buffer->props; +} + + +/** + * hb_buffer_set_flags: + * @buffer: a buffer. + * @flags: + * + * + * + * Since: 0.9.7 + **/ +void +hb_buffer_set_flags (hb_buffer_t *buffer, + hb_buffer_flags_t flags) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->flags = flags; +} + +/** + * hb_buffer_get_flags: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.7 + **/ +hb_buffer_flags_t +hb_buffer_get_flags (hb_buffer_t *buffer) +{ + return buffer->flags; +} + +/** + * hb_buffer_set_cluster_level: + * @buffer: a buffer. + * @cluster_level: + * + * + * + * Since: 0.9.42 + **/ +void +hb_buffer_set_cluster_level (hb_buffer_t *buffer, + hb_buffer_cluster_level_t cluster_level) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->cluster_level = cluster_level; +} + +/** + * hb_buffer_get_cluster_level: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.42 + **/ +hb_buffer_cluster_level_t +hb_buffer_get_cluster_level (hb_buffer_t *buffer) +{ + return buffer->cluster_level; +} + + +/** + * hb_buffer_set_replacement_codepoint: + * @buffer: a buffer. + * @replacement: + * + * + * + * Since: 0.9.31 + **/ +void +hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer, + hb_codepoint_t replacement) +{ + if (unlikely (hb_object_is_inert (buffer))) + return; + + buffer->replacement = replacement; +} + +/** + * hb_buffer_get_replacement_codepoint: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.31 + **/ +hb_codepoint_t +hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer) +{ + return buffer->replacement; +} + + +/** + * hb_buffer_reset: + * @buffer: a buffer. + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_reset (hb_buffer_t *buffer) +{ + buffer->reset (); +} + +/** + * hb_buffer_clear_contents: + * @buffer: a buffer. + * + * + * + * Since: 0.9.11 + **/ +void +hb_buffer_clear_contents (hb_buffer_t *buffer) +{ + buffer->clear (); +} + +/** + * hb_buffer_pre_allocate: + * @buffer: a buffer. + * @size: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_buffer_pre_allocate (hb_buffer_t *buffer, unsigned int size) +{ + return buffer->ensure (size); +} + +/** + * hb_buffer_allocation_successful: + * @buffer: a buffer. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_buffer_allocation_successful (hb_buffer_t *buffer) +{ + return !buffer->in_error; +} + +/** + * hb_buffer_add: + * @buffer: a buffer. + * @codepoint: + * @cluster: + * + * + * + * Since: 0.9.7 + **/ +void +hb_buffer_add (hb_buffer_t *buffer, + hb_codepoint_t codepoint, + unsigned int cluster) +{ + buffer->add (codepoint, cluster); + buffer->clear_context (1); +} + +/** + * hb_buffer_set_length: + * @buffer: a buffer. + * @length: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_buffer_set_length (hb_buffer_t *buffer, + unsigned int length) +{ + if (unlikely (hb_object_is_inert (buffer))) + return length == 0; + + if (!buffer->ensure (length)) + return false; + + /* Wipe the new space */ + if (length > buffer->len) { + memset (buffer->info + buffer->len, 0, sizeof (buffer->info[0]) * (length - buffer->len)); + if (buffer->have_positions) + memset (buffer->pos + buffer->len, 0, sizeof (buffer->pos[0]) * (length - buffer->len)); + } + + buffer->len = length; + + if (!length) + { + buffer->content_type = HB_BUFFER_CONTENT_TYPE_INVALID; + buffer->clear_context (0); + } + buffer->clear_context (1); + + return true; +} + +/** + * hb_buffer_get_length: + * @buffer: a buffer. + * + * Returns the number of items in the buffer. + * + * Return value: buffer length. + * + * Since: 0.9.2 + **/ +unsigned int +hb_buffer_get_length (hb_buffer_t *buffer) +{ + return buffer->len; +} + +/** + * hb_buffer_get_glyph_infos: + * @buffer: a buffer. + * @length: (out): output array length. + * + * Returns buffer glyph information array. Returned pointer + * is valid as long as buffer contents are not modified. + * + * Return value: (transfer none) (array length=length): buffer glyph information array. + * + * Since: 0.9.2 + **/ +hb_glyph_info_t * +hb_buffer_get_glyph_infos (hb_buffer_t *buffer, + unsigned int *length) +{ + if (length) + *length = buffer->len; + + return (hb_glyph_info_t *) buffer->info; +} + +/** + * hb_buffer_get_glyph_positions: + * @buffer: a buffer. + * @length: (out): output length. + * + * Returns buffer glyph position array. Returned pointer + * is valid as long as buffer contents are not modified. + * + * Return value: (transfer none) (array length=length): buffer glyph position array. + * + * Since: 0.9.2 + **/ +hb_glyph_position_t * +hb_buffer_get_glyph_positions (hb_buffer_t *buffer, + unsigned int *length) +{ + if (!buffer->have_positions) + buffer->clear_positions (); + + if (length) + *length = buffer->len; + + return (hb_glyph_position_t *) buffer->pos; +} + +/** + * hb_buffer_reverse: + * @buffer: a buffer. + * + * Reverses buffer contents. + * + * Since: 0.9.2 + **/ +void +hb_buffer_reverse (hb_buffer_t *buffer) +{ + buffer->reverse (); +} + +/** + * hb_buffer_reverse_range: + * @buffer: a buffer. + * @start: start index. + * @end: end index. + * + * Reverses buffer contents between start to end. + * + * Since: 0.9.41 + **/ +void +hb_buffer_reverse_range (hb_buffer_t *buffer, + unsigned int start, unsigned int end) +{ + buffer->reverse_range (start, end); +} + +/** + * hb_buffer_reverse_clusters: + * @buffer: a buffer. + * + * Reverses buffer clusters. That is, the buffer contents are + * reversed, then each cluster (consecutive items having the + * same cluster number) are reversed again. + * + * Since: 0.9.2 + **/ +void +hb_buffer_reverse_clusters (hb_buffer_t *buffer) +{ + buffer->reverse_clusters (); +} + +/** + * hb_buffer_guess_segment_properties: + * @buffer: a buffer. + * + * Sets unset buffer segment properties based on buffer Unicode + * contents. If buffer is not empty, it must have content type + * %HB_BUFFER_CONTENT_TYPE_UNICODE. + * + * If buffer script is not set (ie. is %HB_SCRIPT_INVALID), it + * will be set to the Unicode script of the first character in + * the buffer that has a script other than %HB_SCRIPT_COMMON, + * %HB_SCRIPT_INHERITED, and %HB_SCRIPT_UNKNOWN. + * + * Next, if buffer direction is not set (ie. is %HB_DIRECTION_INVALID), + * it will be set to the natural horizontal direction of the + * buffer script as returned by hb_script_get_horizontal_direction(). + * + * Finally, if buffer language is not set (ie. is %HB_LANGUAGE_INVALID), + * it will be set to the process's default language as returned by + * hb_language_get_default(). This may change in the future by + * taking buffer script into consideration when choosing a language. + * + * Since: 0.9.7 + **/ +void +hb_buffer_guess_segment_properties (hb_buffer_t *buffer) +{ + buffer->guess_segment_properties (); +} + +template <typename utf_t> +static inline void +hb_buffer_add_utf (hb_buffer_t *buffer, + const typename utf_t::codepoint_t *text, + int text_length, + unsigned int item_offset, + int item_length) +{ + typedef typename utf_t::codepoint_t T; + const hb_codepoint_t replacement = buffer->replacement; + + assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE || + (!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID)); + + if (unlikely (hb_object_is_inert (buffer))) + return; + + if (text_length == -1) + text_length = utf_t::strlen (text); + + if (item_length == -1) + item_length = text_length - item_offset; + + buffer->ensure (buffer->len + item_length * sizeof (T) / 4); + + /* If buffer is empty and pre-context provided, install it. + * This check is written this way, to make sure people can + * provide pre-context in one add_utf() call, then provide + * text in a follow-up call. See: + * + * https://bugzilla.mozilla.org/show_bug.cgi?id=801410#c13 + */ + if (!buffer->len && item_offset > 0) + { + /* Add pre-context */ + buffer->clear_context (0); + const T *prev = text + item_offset; + const T *start = text; + while (start < prev && buffer->context_len[0] < buffer->CONTEXT_LENGTH) + { + hb_codepoint_t u; + prev = utf_t::prev (prev, start, &u, replacement); + buffer->context[0][buffer->context_len[0]++] = u; + } + } + + const T *next = text + item_offset; + const T *end = next + item_length; + while (next < end) + { + hb_codepoint_t u; + const T *old_next = next; + next = utf_t::next (next, end, &u, replacement); + buffer->add (u, old_next - (const T *) text); + } + + /* Add post-context */ + buffer->clear_context (1); + end = text + text_length; + while (next < end && buffer->context_len[1] < buffer->CONTEXT_LENGTH) + { + hb_codepoint_t u; + next = utf_t::next (next, end, &u, replacement); + buffer->context[1][buffer->context_len[1]++] = u; + } + + buffer->content_type = HB_BUFFER_CONTENT_TYPE_UNICODE; +} + +/** + * hb_buffer_add_utf8: + * @buffer: a buffer. + * @text: (array length=text_length) (element-type uint8_t): + * @text_length: + * @item_offset: + * @item_length: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_add_utf8 (hb_buffer_t *buffer, + const char *text, + int text_length, + unsigned int item_offset, + int item_length) +{ + hb_buffer_add_utf<hb_utf8_t> (buffer, (const uint8_t *) text, text_length, item_offset, item_length); +} + +/** + * hb_buffer_add_utf16: + * @buffer: a buffer. + * @text: (array length=text_length): + * @text_length: + * @item_offset: + * @item_length: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_add_utf16 (hb_buffer_t *buffer, + const uint16_t *text, + int text_length, + unsigned int item_offset, + int item_length) +{ + hb_buffer_add_utf<hb_utf16_t> (buffer, text, text_length, item_offset, item_length); +} + +/** + * hb_buffer_add_utf32: + * @buffer: a buffer. + * @text: (array length=text_length): + * @text_length: + * @item_offset: + * @item_length: + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_add_utf32 (hb_buffer_t *buffer, + const uint32_t *text, + int text_length, + unsigned int item_offset, + int item_length) +{ + hb_buffer_add_utf<hb_utf32_t<> > (buffer, text, text_length, item_offset, item_length); +} + +/** + * hb_buffer_add_latin1: + * @buffer: a buffer. + * @text: (array length=text_length) (element-type uint8_t): + * @text_length: + * @item_offset: + * @item_length: + * + * + * + * Since: 0.9.39 + **/ +void +hb_buffer_add_latin1 (hb_buffer_t *buffer, + const uint8_t *text, + int text_length, + unsigned int item_offset, + int item_length) +{ + hb_buffer_add_utf<hb_latin1_t> (buffer, text, text_length, item_offset, item_length); +} + +/** + * hb_buffer_add_codepoints: + * @buffer: a buffer. + * @text: (array length=text_length): + * @text_length: + * @item_offset: + * @item_length: + * + * + * + * Since: 0.9.31 + **/ +void +hb_buffer_add_codepoints (hb_buffer_t *buffer, + const hb_codepoint_t *text, + int text_length, + unsigned int item_offset, + int item_length) +{ + hb_buffer_add_utf<hb_utf32_t<false> > (buffer, text, text_length, item_offset, item_length); +} + + +static int +compare_info_codepoint (const hb_glyph_info_t *pa, + const hb_glyph_info_t *pb) +{ + return (int) pb->codepoint - (int) pa->codepoint; +} + +static inline void +normalize_glyphs_cluster (hb_buffer_t *buffer, + unsigned int start, + unsigned int end, + bool backward) +{ + hb_glyph_position_t *pos = buffer->pos; + + /* Total cluster advance */ + hb_position_t total_x_advance = 0, total_y_advance = 0; + for (unsigned int i = start; i < end; i++) + { + total_x_advance += pos[i].x_advance; + total_y_advance += pos[i].y_advance; + } + + hb_position_t x_advance = 0, y_advance = 0; + for (unsigned int i = start; i < end; i++) + { + pos[i].x_offset += x_advance; + pos[i].y_offset += y_advance; + + x_advance += pos[i].x_advance; + y_advance += pos[i].y_advance; + + pos[i].x_advance = 0; + pos[i].y_advance = 0; + } + + if (backward) + { + /* Transfer all cluster advance to the last glyph. */ + pos[end - 1].x_advance = total_x_advance; + pos[end - 1].y_advance = total_y_advance; + + hb_stable_sort (buffer->info + start, end - start - 1, compare_info_codepoint, buffer->pos + start); + } else { + /* Transfer all cluster advance to the first glyph. */ + pos[start].x_advance += total_x_advance; + pos[start].y_advance += total_y_advance; + for (unsigned int i = start + 1; i < end; i++) { + pos[i].x_offset -= total_x_advance; + pos[i].y_offset -= total_y_advance; + } + hb_stable_sort (buffer->info + start + 1, end - start - 1, compare_info_codepoint, buffer->pos + start + 1); + } +} + +/** + * hb_buffer_normalize_glyphs: + * @buffer: a buffer. + * + * + * + * Since: 0.9.2 + **/ +void +hb_buffer_normalize_glyphs (hb_buffer_t *buffer) +{ + assert (buffer->have_positions); + assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS); + + bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction); + + unsigned int count = buffer->len; + if (unlikely (!count)) return; + hb_glyph_info_t *info = buffer->info; + + unsigned int start = 0; + unsigned int end; + for (end = start + 1; end < count; end++) + if (info[start].cluster != info[end].cluster) { + normalize_glyphs_cluster (buffer, start, end, backward); + start = end; + } + normalize_glyphs_cluster (buffer, start, end, backward); +} + +void +hb_buffer_t::sort (unsigned int start, unsigned int end, int(*compar)(const hb_glyph_info_t *, const hb_glyph_info_t *)) +{ + assert (!have_positions); + for (unsigned int i = start + 1; i < end; i++) + { + unsigned int j = i; + while (j > start && compar (&info[j - 1], &info[i]) > 0) + j--; + if (i == j) + continue; + /* Move item i to occupy place for item j, shift what's in between. */ + merge_clusters (j, i + 1); + { + hb_glyph_info_t t = info[i]; + memmove (&info[j + 1], &info[j], (i - j) * sizeof (hb_glyph_info_t)); + info[j] = t; + } + } +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-buffer.h Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,378 @@ +/* + * Copyright © 1998-2004 David Turner and Werner Lemberg + * Copyright © 2004,2007,2009 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Owen Taylor, Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_H_IN +#error "Include <hb.h> instead." +#endif + +#ifndef HB_BUFFER_H +#define HB_BUFFER_H + +#include "hb-common.h" +#include "hb-unicode.h" +#include "hb-font.h" + +HB_BEGIN_DECLS + + +typedef struct hb_glyph_info_t { + hb_codepoint_t codepoint; + hb_mask_t mask; + uint32_t cluster; + + /*< private >*/ + hb_var_int_t var1; + hb_var_int_t var2; +} hb_glyph_info_t; + +typedef struct hb_glyph_position_t { + hb_position_t x_advance; + hb_position_t y_advance; + hb_position_t x_offset; + hb_position_t y_offset; + + /*< private >*/ + hb_var_int_t var; +} hb_glyph_position_t; + + +typedef struct hb_segment_properties_t { + hb_direction_t direction; + hb_script_t script; + hb_language_t language; + /*< private >*/ + void *reserved1; + void *reserved2; +} hb_segment_properties_t; + +#define HB_SEGMENT_PROPERTIES_DEFAULT {HB_DIRECTION_INVALID, \ + HB_SCRIPT_INVALID, \ + HB_LANGUAGE_INVALID, \ + NULL, \ + NULL} + +hb_bool_t +hb_segment_properties_equal (const hb_segment_properties_t *a, + const hb_segment_properties_t *b); + +unsigned int +hb_segment_properties_hash (const hb_segment_properties_t *p); + + + +/* + * hb_buffer_t + */ + +typedef struct hb_buffer_t hb_buffer_t; + +hb_buffer_t * +hb_buffer_create (void); + +hb_buffer_t * +hb_buffer_get_empty (void); + +hb_buffer_t * +hb_buffer_reference (hb_buffer_t *buffer); + +void +hb_buffer_destroy (hb_buffer_t *buffer); + +hb_bool_t +hb_buffer_set_user_data (hb_buffer_t *buffer, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); + +void * +hb_buffer_get_user_data (hb_buffer_t *buffer, + hb_user_data_key_t *key); + + +typedef enum { + HB_BUFFER_CONTENT_TYPE_INVALID = 0, + HB_BUFFER_CONTENT_TYPE_UNICODE, + HB_BUFFER_CONTENT_TYPE_GLYPHS +} hb_buffer_content_type_t; + +void +hb_buffer_set_content_type (hb_buffer_t *buffer, + hb_buffer_content_type_t content_type); + +hb_buffer_content_type_t +hb_buffer_get_content_type (hb_buffer_t *buffer); + + +void +hb_buffer_set_unicode_funcs (hb_buffer_t *buffer, + hb_unicode_funcs_t *unicode_funcs); + +hb_unicode_funcs_t * +hb_buffer_get_unicode_funcs (hb_buffer_t *buffer); + +void +hb_buffer_set_direction (hb_buffer_t *buffer, + hb_direction_t direction); + +hb_direction_t +hb_buffer_get_direction (hb_buffer_t *buffer); + +void +hb_buffer_set_script (hb_buffer_t *buffer, + hb_script_t script); + +hb_script_t +hb_buffer_get_script (hb_buffer_t *buffer); + +void +hb_buffer_set_language (hb_buffer_t *buffer, + hb_language_t language); + + +hb_language_t +hb_buffer_get_language (hb_buffer_t *buffer); + +void +hb_buffer_set_segment_properties (hb_buffer_t *buffer, + const hb_segment_properties_t *props); + +void +hb_buffer_get_segment_properties (hb_buffer_t *buffer, + hb_segment_properties_t *props); + +void +hb_buffer_guess_segment_properties (hb_buffer_t *buffer); + + +/* + * Since: 0.9.20 + */ +typedef enum { /*< flags >*/ + HB_BUFFER_FLAG_DEFAULT = 0x00000000u, + HB_BUFFER_FLAG_BOT = 0x00000001u, /* Beginning-of-text */ + HB_BUFFER_FLAG_EOT = 0x00000002u, /* End-of-text */ + HB_BUFFER_FLAG_PRESERVE_DEFAULT_IGNORABLES = 0x00000004u +} hb_buffer_flags_t; + +void +hb_buffer_set_flags (hb_buffer_t *buffer, + hb_buffer_flags_t flags); + +hb_buffer_flags_t +hb_buffer_get_flags (hb_buffer_t *buffer); + +/* + * Since: 0.9.42 + */ +typedef enum { + HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES = 0, + HB_BUFFER_CLUSTER_LEVEL_MONOTONE_CHARACTERS = 1, + HB_BUFFER_CLUSTER_LEVEL_CHARACTERS = 2, + HB_BUFFER_CLUSTER_LEVEL_DEFAULT = HB_BUFFER_CLUSTER_LEVEL_MONOTONE_GRAPHEMES +} hb_buffer_cluster_level_t; + +void +hb_buffer_set_cluster_level (hb_buffer_t *buffer, + hb_buffer_cluster_level_t cluster_level); + +hb_buffer_cluster_level_t +hb_buffer_get_cluster_level (hb_buffer_t *buffer); + +#define HB_BUFFER_REPLACEMENT_CODEPOINT_DEFAULT 0xFFFDu + +/* Sets codepoint used to replace invalid UTF-8/16/32 entries. + * Default is 0xFFFDu. */ +void +hb_buffer_set_replacement_codepoint (hb_buffer_t *buffer, + hb_codepoint_t replacement); + +hb_codepoint_t +hb_buffer_get_replacement_codepoint (hb_buffer_t *buffer); + + +/* Resets the buffer. Afterwards it's as if it was just created, + * except that it has a larger buffer allocated perhaps... */ +void +hb_buffer_reset (hb_buffer_t *buffer); + +/* Like reset, but does NOT clear unicode_funcs and replacement_codepoint. */ +void +hb_buffer_clear_contents (hb_buffer_t *buffer); + +/* Returns false if allocation failed */ +hb_bool_t +hb_buffer_pre_allocate (hb_buffer_t *buffer, + unsigned int size); + + +/* Returns false if allocation has failed before */ +hb_bool_t +hb_buffer_allocation_successful (hb_buffer_t *buffer); + +void +hb_buffer_reverse (hb_buffer_t *buffer); + +void +hb_buffer_reverse_range (hb_buffer_t *buffer, + unsigned int start, unsigned int end); + +void +hb_buffer_reverse_clusters (hb_buffer_t *buffer); + + +/* Filling the buffer in */ + +void +hb_buffer_add (hb_buffer_t *buffer, + hb_codepoint_t codepoint, + unsigned int cluster); + +void +hb_buffer_add_utf8 (hb_buffer_t *buffer, + const char *text, + int text_length, + unsigned int item_offset, + int item_length); + +void +hb_buffer_add_utf16 (hb_buffer_t *buffer, + const uint16_t *text, + int text_length, + unsigned int item_offset, + int item_length); + +void +hb_buffer_add_utf32 (hb_buffer_t *buffer, + const uint32_t *text, + int text_length, + unsigned int item_offset, + int item_length); + +/* Allows only access to first 256 Unicode codepoints. */ +void +hb_buffer_add_latin1 (hb_buffer_t *buffer, + const uint8_t *text, + int text_length, + unsigned int item_offset, + int item_length); + +/* Like add_utf32 but does NOT check for invalid Unicode codepoints. */ +void +hb_buffer_add_codepoints (hb_buffer_t *buffer, + const hb_codepoint_t *text, + int text_length, + unsigned int item_offset, + int item_length); + + +/* Clears any new items added at the end */ +hb_bool_t +hb_buffer_set_length (hb_buffer_t *buffer, + unsigned int length); + +/* Return value valid as long as buffer not modified */ +unsigned int +hb_buffer_get_length (hb_buffer_t *buffer); + +/* Getting glyphs out of the buffer */ + +/* Return value valid as long as buffer not modified */ +hb_glyph_info_t * +hb_buffer_get_glyph_infos (hb_buffer_t *buffer, + unsigned int *length); + +/* Return value valid as long as buffer not modified */ +hb_glyph_position_t * +hb_buffer_get_glyph_positions (hb_buffer_t *buffer, + unsigned int *length); + + +/* Reorders a glyph buffer to have canonical in-cluster glyph order / position. + * The resulting clusters should behave identical to pre-reordering clusters. + * NOTE: This has nothing to do with Unicode normalization. */ +void +hb_buffer_normalize_glyphs (hb_buffer_t *buffer); + + +/* + * Serialize + */ + +/* + * Since: 0.9.20 + */ +typedef enum { /*< flags >*/ + HB_BUFFER_SERIALIZE_FLAG_DEFAULT = 0x00000000u, + HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS = 0x00000001u, + HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS = 0x00000002u, + HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES = 0x00000004u, + HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS = 0x00000008u +} hb_buffer_serialize_flags_t; + +typedef enum { + HB_BUFFER_SERIALIZE_FORMAT_TEXT = HB_TAG('T','E','X','T'), + HB_BUFFER_SERIALIZE_FORMAT_JSON = HB_TAG('J','S','O','N'), + HB_BUFFER_SERIALIZE_FORMAT_INVALID = HB_TAG_NONE +} hb_buffer_serialize_format_t; + +/* len=-1 means str is NUL-terminated. */ +hb_buffer_serialize_format_t +hb_buffer_serialize_format_from_string (const char *str, int len); + +const char * +hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format); + +const char ** +hb_buffer_serialize_list_formats (void); + +/* Returns number of items, starting at start, that were serialized. */ +unsigned int +hb_buffer_serialize_glyphs (hb_buffer_t *buffer, + unsigned int start, + unsigned int end, + char *buf, + unsigned int buf_size, + unsigned int *buf_consumed, /* May be NULL */ + hb_font_t *font, /* May be NULL */ + hb_buffer_serialize_format_t format, + hb_buffer_serialize_flags_t flags); + +hb_bool_t +hb_buffer_deserialize_glyphs (hb_buffer_t *buffer, + const char *buf, + int buf_len, /* -1 means nul-terminated */ + const char **end_ptr, /* May be NULL */ + hb_font_t *font, /* May be NULL */ + hb_buffer_serialize_format_t format); + + +HB_END_DECLS + +#endif /* HB_BUFFER_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-cache-private.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,74 @@ +/* + * Copyright © 2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_CACHE_PRIVATE_HH +#define HB_CACHE_PRIVATE_HH + +#include "hb-private.hh" + + +/* Implements a lock-free cache for int->int functions. */ + +template <unsigned int key_bits, unsigned int value_bits, unsigned int cache_bits> +struct hb_cache_t +{ + ASSERT_STATIC (key_bits >= cache_bits); + ASSERT_STATIC (key_bits + value_bits - cache_bits < 8 * sizeof (unsigned int)); + + inline void clear (void) + { + memset (values, 255, sizeof (values)); + } + + inline bool get (unsigned int key, unsigned int *value) + { + unsigned int k = key & ((1<<cache_bits)-1); + unsigned int v = values[k]; + if ((v >> value_bits) != (key >> cache_bits)) + return false; + *value = v & ((1<<value_bits)-1); + return true; + } + + inline bool set (unsigned int key, unsigned int value) + { + if (unlikely ((key >> key_bits) || (value >> value_bits))) + return false; /* Overflows */ + unsigned int k = key & ((1<<cache_bits)-1); + unsigned int v = ((key>>cache_bits)<<value_bits) | value; + values[k] = v; + return true; + } + + private: + unsigned int values[1<<cache_bits]; +}; + +typedef hb_cache_t<21, 16, 8> hb_cmap_cache_t; +typedef hb_cache_t<16, 24, 8> hb_advance_cache_t; + + +#endif /* HB_CACHE_PRIVATE_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-common.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,593 @@ +/* + * Copyright © 2009,2010 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#include "hb-private.hh" + +#include "hb-mutex-private.hh" +#include "hb-object-private.hh" + +#include <locale.h> + + +/* hb_options_t */ + +hb_options_union_t _hb_options; + +void +_hb_options_init (void) +{ + hb_options_union_t u; + u.i = 0; + u.opts.initialized = 1; + + char *c = getenv ("HB_OPTIONS"); + u.opts.uniscribe_bug_compatible = c && strstr (c, "uniscribe-bug-compatible"); + + /* This is idempotent and threadsafe. */ + _hb_options = u; +} + + +/* hb_tag_t */ + +/** + * hb_tag_from_string: + * @str: (array length=len) (element-type uint8_t): + * @len: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_tag_t +hb_tag_from_string (const char *str, int len) +{ + char tag[4]; + unsigned int i; + + if (!str || !len || !*str) + return HB_TAG_NONE; + + if (len < 0 || len > 4) + len = 4; + for (i = 0; i < (unsigned) len && str[i]; i++) + tag[i] = str[i]; + for (; i < 4; i++) + tag[i] = ' '; + + return HB_TAG_CHAR4 (tag); +} + +/** + * hb_tag_to_string: + * @tag: + * @buf: (array fixed-size=4): + * + * + * + * Since: 0.9.5 + **/ +void +hb_tag_to_string (hb_tag_t tag, char *buf) +{ + buf[0] = (char) (uint8_t) (tag >> 24); + buf[1] = (char) (uint8_t) (tag >> 16); + buf[2] = (char) (uint8_t) (tag >> 8); + buf[3] = (char) (uint8_t) (tag >> 0); +} + + +/* hb_direction_t */ + +const char direction_strings[][4] = { + "ltr", + "rtl", + "ttb", + "btt" +}; + +/** + * hb_direction_from_string: + * @str: (array length=len) (element-type uint8_t): + * @len: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_direction_t +hb_direction_from_string (const char *str, int len) +{ + if (unlikely (!str || !len || !*str)) + return HB_DIRECTION_INVALID; + + /* Lets match loosely: just match the first letter, such that + * all of "ltr", "left-to-right", etc work! + */ + char c = TOLOWER (str[0]); + for (unsigned int i = 0; i < ARRAY_LENGTH (direction_strings); i++) + if (c == direction_strings[i][0]) + return (hb_direction_t) (HB_DIRECTION_LTR + i); + + return HB_DIRECTION_INVALID; +} + +/** + * hb_direction_to_string: + * @direction: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +const char * +hb_direction_to_string (hb_direction_t direction) +{ + if (likely ((unsigned int) (direction - HB_DIRECTION_LTR) + < ARRAY_LENGTH (direction_strings))) + return direction_strings[direction - HB_DIRECTION_LTR]; + + return "invalid"; +} + + +/* hb_language_t */ + +struct hb_language_impl_t { + const char s[1]; +}; + +static const char canon_map[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '-', 0, 0, + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 0, 0, 0, 0, 0, 0, + '-', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', + 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, '-', + 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', + 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, 0 +}; + +static bool +lang_equal (hb_language_t v1, + const void *v2) +{ + const unsigned char *p1 = (const unsigned char *) v1; + const unsigned char *p2 = (const unsigned char *) v2; + + while (*p1 && *p1 == canon_map[*p2]) + p1++, p2++; + + return *p1 == canon_map[*p2]; +} + +#if 0 +static unsigned int +lang_hash (const void *key) +{ + const unsigned char *p = key; + unsigned int h = 0; + while (canon_map[*p]) + { + h = (h << 5) - h + canon_map[*p]; + p++; + } + + return h; +} +#endif + + +struct hb_language_item_t { + + struct hb_language_item_t *next; + hb_language_t lang; + + inline bool operator == (const char *s) const { + return lang_equal (lang, s); + } + + inline hb_language_item_t & operator = (const char *s) { + lang = (hb_language_t) strdup (s); + for (unsigned char *p = (unsigned char *) lang; *p; p++) + *p = canon_map[*p]; + + return *this; + } + + void finish (void) { free ((void *) lang); } +}; + + +/* Thread-safe lock-free language list */ + +static hb_language_item_t *langs; + +#ifdef HB_USE_ATEXIT +static +void free_langs (void) +{ + while (langs) { + hb_language_item_t *next = langs->next; + langs->finish (); + free (langs); + langs = next; + } +} +#endif + +static hb_language_item_t * +lang_find_or_insert (const char *key) +{ +retry: + hb_language_item_t *first_lang = (hb_language_item_t *) hb_atomic_ptr_get (&langs); + + for (hb_language_item_t *lang = first_lang; lang; lang = lang->next) + if (*lang == key) + return lang; + + /* Not found; allocate one. */ + hb_language_item_t *lang = (hb_language_item_t *) calloc (1, sizeof (hb_language_item_t)); + if (unlikely (!lang)) + return NULL; + lang->next = first_lang; + *lang = key; + + if (!hb_atomic_ptr_cmpexch (&langs, first_lang, lang)) { + lang->finish (); + free (lang); + goto retry; + } + +#ifdef HB_USE_ATEXIT + if (!first_lang) + atexit (free_langs); /* First person registers atexit() callback. */ +#endif + + return lang; +} + + +/** + * hb_language_from_string: + * @str: (array length=len) (element-type uint8_t): + * @len: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +hb_language_t +hb_language_from_string (const char *str, int len) +{ + if (!str || !len || !*str) + return HB_LANGUAGE_INVALID; + + hb_language_item_t *item = NULL; + if (len >= 0) + { + /* NUL-terminate it. */ + char strbuf[64]; + len = MIN (len, (int) sizeof (strbuf) - 1); + memcpy (strbuf, str, len); + strbuf[len] = '\0'; + item = lang_find_or_insert (strbuf); + } + else + item = lang_find_or_insert (str); + + return likely (item) ? item->lang : HB_LANGUAGE_INVALID; +} + +/** + * hb_language_to_string: + * @language: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +const char * +hb_language_to_string (hb_language_t language) +{ + /* This is actually NULL-safe! */ + return language->s; +} + +/** + * hb_language_get_default: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +hb_language_t +hb_language_get_default (void) +{ + static hb_language_t default_language = HB_LANGUAGE_INVALID; + + hb_language_t language = (hb_language_t) hb_atomic_ptr_get (&default_language); + if (unlikely (language == HB_LANGUAGE_INVALID)) { + language = hb_language_from_string (setlocale (LC_CTYPE, NULL), -1); + (void) hb_atomic_ptr_cmpexch (&default_language, HB_LANGUAGE_INVALID, language); + } + + return default_language; +} + + +/* hb_script_t */ + +/** + * hb_script_from_iso15924_tag: + * @tag: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_script_t +hb_script_from_iso15924_tag (hb_tag_t tag) +{ + if (unlikely (tag == HB_TAG_NONE)) + return HB_SCRIPT_INVALID; + + /* Be lenient, adjust case (one capital letter followed by three small letters) */ + tag = (tag & 0xDFDFDFDFu) | 0x00202020u; + + switch (tag) { + + /* These graduated from the 'Q' private-area codes, but + * the old code is still aliased by Unicode, and the Qaai + * one in use by ICU. */ + case HB_TAG('Q','a','a','i'): return HB_SCRIPT_INHERITED; + case HB_TAG('Q','a','a','c'): return HB_SCRIPT_COPTIC; + + /* Script variants from http://unicode.org/iso15924/ */ + case HB_TAG('C','y','r','s'): return HB_SCRIPT_CYRILLIC; + case HB_TAG('L','a','t','f'): return HB_SCRIPT_LATIN; + case HB_TAG('L','a','t','g'): return HB_SCRIPT_LATIN; + case HB_TAG('S','y','r','e'): return HB_SCRIPT_SYRIAC; + case HB_TAG('S','y','r','j'): return HB_SCRIPT_SYRIAC; + case HB_TAG('S','y','r','n'): return HB_SCRIPT_SYRIAC; + } + + /* If it looks right, just use the tag as a script */ + if (((uint32_t) tag & 0xE0E0E0E0u) == 0x40606060u) + return (hb_script_t) tag; + + /* Otherwise, return unknown */ + return HB_SCRIPT_UNKNOWN; +} + +/** + * hb_script_from_string: + * @s: (array length=len) (element-type uint8_t): + * @len: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_script_t +hb_script_from_string (const char *s, int len) +{ + return hb_script_from_iso15924_tag (hb_tag_from_string (s, len)); +} + +/** + * hb_script_to_iso15924_tag: + * @script: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_tag_t +hb_script_to_iso15924_tag (hb_script_t script) +{ + return (hb_tag_t) script; +} + +/** + * hb_script_get_horizontal_direction: + * @script: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_direction_t +hb_script_get_horizontal_direction (hb_script_t script) +{ + /* http://goo.gl/x9ilM */ + switch ((hb_tag_t) script) + { + /* Unicode-1.1 additions */ + case HB_SCRIPT_ARABIC: + case HB_SCRIPT_HEBREW: + + /* Unicode-3.0 additions */ + case HB_SCRIPT_SYRIAC: + case HB_SCRIPT_THAANA: + + /* Unicode-4.0 additions */ + case HB_SCRIPT_CYPRIOT: + + /* Unicode-4.1 additions */ + case HB_SCRIPT_KHAROSHTHI: + + /* Unicode-5.0 additions */ + case HB_SCRIPT_PHOENICIAN: + case HB_SCRIPT_NKO: + + /* Unicode-5.1 additions */ + case HB_SCRIPT_LYDIAN: + + /* Unicode-5.2 additions */ + case HB_SCRIPT_AVESTAN: + case HB_SCRIPT_IMPERIAL_ARAMAIC: + case HB_SCRIPT_INSCRIPTIONAL_PAHLAVI: + case HB_SCRIPT_INSCRIPTIONAL_PARTHIAN: + case HB_SCRIPT_OLD_SOUTH_ARABIAN: + case HB_SCRIPT_OLD_TURKIC: + case HB_SCRIPT_SAMARITAN: + + /* Unicode-6.0 additions */ + case HB_SCRIPT_MANDAIC: + + /* Unicode-6.1 additions */ + case HB_SCRIPT_MEROITIC_CURSIVE: + case HB_SCRIPT_MEROITIC_HIEROGLYPHS: + + /* Unicode-7.0 additions */ + case HB_SCRIPT_MANICHAEAN: + case HB_SCRIPT_MENDE_KIKAKUI: + case HB_SCRIPT_NABATAEAN: + case HB_SCRIPT_OLD_NORTH_ARABIAN: + case HB_SCRIPT_PALMYRENE: + case HB_SCRIPT_PSALTER_PAHLAVI: + + /* Unicode-8.0 additions */ + case HB_SCRIPT_OLD_HUNGARIAN: + + return HB_DIRECTION_RTL; + } + + return HB_DIRECTION_LTR; +} + + +/* hb_user_data_array_t */ + +bool +hb_user_data_array_t::set (hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace) +{ + if (!key) + return false; + + if (replace) { + if (!data && !destroy) { + items.remove (key, lock); + return true; + } + } + hb_user_data_item_t item = {key, data, destroy}; + bool ret = !!items.replace_or_insert (item, lock, replace); + + return ret; +} + +void * +hb_user_data_array_t::get (hb_user_data_key_t *key) +{ + hb_user_data_item_t item = {NULL }; + + return items.find (key, &item, lock) ? item.data : NULL; +} + + +/* hb_version */ + +/** + * hb_version: + * @major: (out): Library major version component. + * @minor: (out): Library minor version component. + * @micro: (out): Library micro version component. + * + * Returns library version as three integer components. + * + * Since: 0.9.2 + **/ +void +hb_version (unsigned int *major, + unsigned int *minor, + unsigned int *micro) +{ + *major = HB_VERSION_MAJOR; + *minor = HB_VERSION_MINOR; + *micro = HB_VERSION_MICRO; +} + +/** + * hb_version_string: + * + * Returns library version as a string with three components. + * + * Return value: library version string. + * + * Since: 0.9.2 + **/ +const char * +hb_version_string (void) +{ + return HB_VERSION_STRING; +} + +/** + * hb_version_atleast: + * @major: + * @minor: + * @micro: + * + * + * + * Return value: + * + * Since: 0.9.30 + **/ +hb_bool_t +hb_version_atleast (unsigned int major, + unsigned int minor, + unsigned int micro) +{ + return HB_VERSION_ATLEAST (major, minor, micro); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-common.h Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,354 @@ +/* + * Copyright © 2007,2008,2009 Red Hat, Inc. + * Copyright © 2011,2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_H_IN +#error "Include <hb.h> instead." +#endif + +#ifndef HB_COMMON_H +#define HB_COMMON_H + +#ifndef HB_BEGIN_DECLS +# ifdef __cplusplus +# define HB_BEGIN_DECLS extern "C" { +# define HB_END_DECLS } +# else /* !__cplusplus */ +# define HB_BEGIN_DECLS +# define HB_END_DECLS +# endif /* !__cplusplus */ +#endif + +#if !defined (HB_DONT_DEFINE_STDINT) + +#if defined (_SVR4) || defined (SVR4) || defined (__OpenBSD__) || \ + defined (_sgi) || defined (__sun) || defined (sun) || \ + defined (__digital__) || defined (__HP_cc) +# include <inttypes.h> +#elif defined (_AIX) +# include <sys/inttypes.h> +/* VS 2010 (_MSC_VER 1600) has stdint.h */ +#elif defined (_MSC_VER) && _MSC_VER < 1600 +typedef __int8 int8_t; +typedef unsigned __int8 uint8_t; +typedef __int16 int16_t; +typedef unsigned __int16 uint16_t; +typedef __int32 int32_t; +typedef unsigned __int32 uint32_t; +typedef __int64 int64_t; +typedef unsigned __int64 uint64_t; +#else +# include <stdint.h> +#endif + +#endif + +HB_BEGIN_DECLS + + +typedef int hb_bool_t; + +typedef uint32_t hb_codepoint_t; +typedef int32_t hb_position_t; +typedef uint32_t hb_mask_t; + +typedef union _hb_var_int_t { + uint32_t u32; + int32_t i32; + uint16_t u16[2]; + int16_t i16[2]; + uint8_t u8[4]; + int8_t i8[4]; +} hb_var_int_t; + + +/* hb_tag_t */ + +typedef uint32_t hb_tag_t; + +#define HB_TAG(c1,c2,c3,c4) ((hb_tag_t)((((uint8_t)(c1))<<24)|(((uint8_t)(c2))<<16)|(((uint8_t)(c3))<<8)|((uint8_t)(c4)))) +#define HB_UNTAG(tag) ((uint8_t)((tag)>>24)), ((uint8_t)((tag)>>16)), ((uint8_t)((tag)>>8)), ((uint8_t)(tag)) + +#define HB_TAG_NONE HB_TAG(0,0,0,0) +#define HB_TAG_MAX HB_TAG(0xff,0xff,0xff,0xff) +#define HB_TAG_MAX_SIGNED HB_TAG(0x7f,0xff,0xff,0xff) + +/* len=-1 means str is NUL-terminated. */ +hb_tag_t +hb_tag_from_string (const char *str, int len); + +/* buf should have 4 bytes. */ +void +hb_tag_to_string (hb_tag_t tag, char *buf); + + +/* hb_direction_t */ + +typedef enum { + HB_DIRECTION_INVALID = 0, + HB_DIRECTION_LTR = 4, + HB_DIRECTION_RTL, + HB_DIRECTION_TTB, + HB_DIRECTION_BTT +} hb_direction_t; + +/* len=-1 means str is NUL-terminated */ +hb_direction_t +hb_direction_from_string (const char *str, int len); + +const char * +hb_direction_to_string (hb_direction_t direction); + +#define HB_DIRECTION_IS_VALID(dir) ((((unsigned int) (dir)) & ~3U) == 4) +/* Direction must be valid for the following */ +#define HB_DIRECTION_IS_HORIZONTAL(dir) ((((unsigned int) (dir)) & ~1U) == 4) +#define HB_DIRECTION_IS_VERTICAL(dir) ((((unsigned int) (dir)) & ~1U) == 6) +#define HB_DIRECTION_IS_FORWARD(dir) ((((unsigned int) (dir)) & ~2U) == 4) +#define HB_DIRECTION_IS_BACKWARD(dir) ((((unsigned int) (dir)) & ~2U) == 5) +#define HB_DIRECTION_REVERSE(dir) ((hb_direction_t) (((unsigned int) (dir)) ^ 1)) + + +/* hb_language_t */ + +typedef const struct hb_language_impl_t *hb_language_t; + +/* len=-1 means str is NUL-terminated */ +hb_language_t +hb_language_from_string (const char *str, int len); + +const char * +hb_language_to_string (hb_language_t language); + +#define HB_LANGUAGE_INVALID ((hb_language_t) NULL) + +hb_language_t +hb_language_get_default (void); + + +/* hb_script_t */ + +/* http://unicode.org/iso15924/ */ +/* http://goo.gl/x9ilM */ +/* Unicode Character Database property: Script (sc) */ +typedef enum +{ + /*1.1*/ HB_SCRIPT_COMMON = HB_TAG ('Z','y','y','y'), + /*1.1*/ HB_SCRIPT_INHERITED = HB_TAG ('Z','i','n','h'), + /*5.0*/ HB_SCRIPT_UNKNOWN = HB_TAG ('Z','z','z','z'), + + /*1.1*/ HB_SCRIPT_ARABIC = HB_TAG ('A','r','a','b'), + /*1.1*/ HB_SCRIPT_ARMENIAN = HB_TAG ('A','r','m','n'), + /*1.1*/ HB_SCRIPT_BENGALI = HB_TAG ('B','e','n','g'), + /*1.1*/ HB_SCRIPT_CYRILLIC = HB_TAG ('C','y','r','l'), + /*1.1*/ HB_SCRIPT_DEVANAGARI = HB_TAG ('D','e','v','a'), + /*1.1*/ HB_SCRIPT_GEORGIAN = HB_TAG ('G','e','o','r'), + /*1.1*/ HB_SCRIPT_GREEK = HB_TAG ('G','r','e','k'), + /*1.1*/ HB_SCRIPT_GUJARATI = HB_TAG ('G','u','j','r'), + /*1.1*/ HB_SCRIPT_GURMUKHI = HB_TAG ('G','u','r','u'), + /*1.1*/ HB_SCRIPT_HANGUL = HB_TAG ('H','a','n','g'), + /*1.1*/ HB_SCRIPT_HAN = HB_TAG ('H','a','n','i'), + /*1.1*/ HB_SCRIPT_HEBREW = HB_TAG ('H','e','b','r'), + /*1.1*/ HB_SCRIPT_HIRAGANA = HB_TAG ('H','i','r','a'), + /*1.1*/ HB_SCRIPT_KANNADA = HB_TAG ('K','n','d','a'), + /*1.1*/ HB_SCRIPT_KATAKANA = HB_TAG ('K','a','n','a'), + /*1.1*/ HB_SCRIPT_LAO = HB_TAG ('L','a','o','o'), + /*1.1*/ HB_SCRIPT_LATIN = HB_TAG ('L','a','t','n'), + /*1.1*/ HB_SCRIPT_MALAYALAM = HB_TAG ('M','l','y','m'), + /*1.1*/ HB_SCRIPT_ORIYA = HB_TAG ('O','r','y','a'), + /*1.1*/ HB_SCRIPT_TAMIL = HB_TAG ('T','a','m','l'), + /*1.1*/ HB_SCRIPT_TELUGU = HB_TAG ('T','e','l','u'), + /*1.1*/ HB_SCRIPT_THAI = HB_TAG ('T','h','a','i'), + + /*2.0*/ HB_SCRIPT_TIBETAN = HB_TAG ('T','i','b','t'), + + /*3.0*/ HB_SCRIPT_BOPOMOFO = HB_TAG ('B','o','p','o'), + /*3.0*/ HB_SCRIPT_BRAILLE = HB_TAG ('B','r','a','i'), + /*3.0*/ HB_SCRIPT_CANADIAN_SYLLABICS = HB_TAG ('C','a','n','s'), + /*3.0*/ HB_SCRIPT_CHEROKEE = HB_TAG ('C','h','e','r'), + /*3.0*/ HB_SCRIPT_ETHIOPIC = HB_TAG ('E','t','h','i'), + /*3.0*/ HB_SCRIPT_KHMER = HB_TAG ('K','h','m','r'), + /*3.0*/ HB_SCRIPT_MONGOLIAN = HB_TAG ('M','o','n','g'), + /*3.0*/ HB_SCRIPT_MYANMAR = HB_TAG ('M','y','m','r'), + /*3.0*/ HB_SCRIPT_OGHAM = HB_TAG ('O','g','a','m'), + /*3.0*/ HB_SCRIPT_RUNIC = HB_TAG ('R','u','n','r'), + /*3.0*/ HB_SCRIPT_SINHALA = HB_TAG ('S','i','n','h'), + /*3.0*/ HB_SCRIPT_SYRIAC = HB_TAG ('S','y','r','c'), + /*3.0*/ HB_SCRIPT_THAANA = HB_TAG ('T','h','a','a'), + /*3.0*/ HB_SCRIPT_YI = HB_TAG ('Y','i','i','i'), + + /*3.1*/ HB_SCRIPT_DESERET = HB_TAG ('D','s','r','t'), + /*3.1*/ HB_SCRIPT_GOTHIC = HB_TAG ('G','o','t','h'), + /*3.1*/ HB_SCRIPT_OLD_ITALIC = HB_TAG ('I','t','a','l'), + + /*3.2*/ HB_SCRIPT_BUHID = HB_TAG ('B','u','h','d'), + /*3.2*/ HB_SCRIPT_HANUNOO = HB_TAG ('H','a','n','o'), + /*3.2*/ HB_SCRIPT_TAGALOG = HB_TAG ('T','g','l','g'), + /*3.2*/ HB_SCRIPT_TAGBANWA = HB_TAG ('T','a','g','b'), + + /*4.0*/ HB_SCRIPT_CYPRIOT = HB_TAG ('C','p','r','t'), + /*4.0*/ HB_SCRIPT_LIMBU = HB_TAG ('L','i','m','b'), + /*4.0*/ HB_SCRIPT_LINEAR_B = HB_TAG ('L','i','n','b'), + /*4.0*/ HB_SCRIPT_OSMANYA = HB_TAG ('O','s','m','a'), + /*4.0*/ HB_SCRIPT_SHAVIAN = HB_TAG ('S','h','a','w'), + /*4.0*/ HB_SCRIPT_TAI_LE = HB_TAG ('T','a','l','e'), + /*4.0*/ HB_SCRIPT_UGARITIC = HB_TAG ('U','g','a','r'), + + /*4.1*/ HB_SCRIPT_BUGINESE = HB_TAG ('B','u','g','i'), + /*4.1*/ HB_SCRIPT_COPTIC = HB_TAG ('C','o','p','t'), + /*4.1*/ HB_SCRIPT_GLAGOLITIC = HB_TAG ('G','l','a','g'), + /*4.1*/ HB_SCRIPT_KHAROSHTHI = HB_TAG ('K','h','a','r'), + /*4.1*/ HB_SCRIPT_NEW_TAI_LUE = HB_TAG ('T','a','l','u'), + /*4.1*/ HB_SCRIPT_OLD_PERSIAN = HB_TAG ('X','p','e','o'), + /*4.1*/ HB_SCRIPT_SYLOTI_NAGRI = HB_TAG ('S','y','l','o'), + /*4.1*/ HB_SCRIPT_TIFINAGH = HB_TAG ('T','f','n','g'), + + /*5.0*/ HB_SCRIPT_BALINESE = HB_TAG ('B','a','l','i'), + /*5.0*/ HB_SCRIPT_CUNEIFORM = HB_TAG ('X','s','u','x'), + /*5.0*/ HB_SCRIPT_NKO = HB_TAG ('N','k','o','o'), + /*5.0*/ HB_SCRIPT_PHAGS_PA = HB_TAG ('P','h','a','g'), + /*5.0*/ HB_SCRIPT_PHOENICIAN = HB_TAG ('P','h','n','x'), + + /*5.1*/ HB_SCRIPT_CARIAN = HB_TAG ('C','a','r','i'), + /*5.1*/ HB_SCRIPT_CHAM = HB_TAG ('C','h','a','m'), + /*5.1*/ HB_SCRIPT_KAYAH_LI = HB_TAG ('K','a','l','i'), + /*5.1*/ HB_SCRIPT_LEPCHA = HB_TAG ('L','e','p','c'), + /*5.1*/ HB_SCRIPT_LYCIAN = HB_TAG ('L','y','c','i'), + /*5.1*/ HB_SCRIPT_LYDIAN = HB_TAG ('L','y','d','i'), + /*5.1*/ HB_SCRIPT_OL_CHIKI = HB_TAG ('O','l','c','k'), + /*5.1*/ HB_SCRIPT_REJANG = HB_TAG ('R','j','n','g'), + /*5.1*/ HB_SCRIPT_SAURASHTRA = HB_TAG ('S','a','u','r'), + /*5.1*/ HB_SCRIPT_SUNDANESE = HB_TAG ('S','u','n','d'), + /*5.1*/ HB_SCRIPT_VAI = HB_TAG ('V','a','i','i'), + + /*5.2*/ HB_SCRIPT_AVESTAN = HB_TAG ('A','v','s','t'), + /*5.2*/ HB_SCRIPT_BAMUM = HB_TAG ('B','a','m','u'), + /*5.2*/ HB_SCRIPT_EGYPTIAN_HIEROGLYPHS = HB_TAG ('E','g','y','p'), + /*5.2*/ HB_SCRIPT_IMPERIAL_ARAMAIC = HB_TAG ('A','r','m','i'), + /*5.2*/ HB_SCRIPT_INSCRIPTIONAL_PAHLAVI = HB_TAG ('P','h','l','i'), + /*5.2*/ HB_SCRIPT_INSCRIPTIONAL_PARTHIAN = HB_TAG ('P','r','t','i'), + /*5.2*/ HB_SCRIPT_JAVANESE = HB_TAG ('J','a','v','a'), + /*5.2*/ HB_SCRIPT_KAITHI = HB_TAG ('K','t','h','i'), + /*5.2*/ HB_SCRIPT_LISU = HB_TAG ('L','i','s','u'), + /*5.2*/ HB_SCRIPT_MEETEI_MAYEK = HB_TAG ('M','t','e','i'), + /*5.2*/ HB_SCRIPT_OLD_SOUTH_ARABIAN = HB_TAG ('S','a','r','b'), + /*5.2*/ HB_SCRIPT_OLD_TURKIC = HB_TAG ('O','r','k','h'), + /*5.2*/ HB_SCRIPT_SAMARITAN = HB_TAG ('S','a','m','r'), + /*5.2*/ HB_SCRIPT_TAI_THAM = HB_TAG ('L','a','n','a'), + /*5.2*/ HB_SCRIPT_TAI_VIET = HB_TAG ('T','a','v','t'), + + /*6.0*/ HB_SCRIPT_BATAK = HB_TAG ('B','a','t','k'), + /*6.0*/ HB_SCRIPT_BRAHMI = HB_TAG ('B','r','a','h'), + /*6.0*/ HB_SCRIPT_MANDAIC = HB_TAG ('M','a','n','d'), + + /*6.1*/ HB_SCRIPT_CHAKMA = HB_TAG ('C','a','k','m'), + /*6.1*/ HB_SCRIPT_MEROITIC_CURSIVE = HB_TAG ('M','e','r','c'), + /*6.1*/ HB_SCRIPT_MEROITIC_HIEROGLYPHS = HB_TAG ('M','e','r','o'), + /*6.1*/ HB_SCRIPT_MIAO = HB_TAG ('P','l','r','d'), + /*6.1*/ HB_SCRIPT_SHARADA = HB_TAG ('S','h','r','d'), + /*6.1*/ HB_SCRIPT_SORA_SOMPENG = HB_TAG ('S','o','r','a'), + /*6.1*/ HB_SCRIPT_TAKRI = HB_TAG ('T','a','k','r'), + + /* + * Since: 0.9.30 + */ + /*7.0*/ HB_SCRIPT_BASSA_VAH = HB_TAG ('B','a','s','s'), + /*7.0*/ HB_SCRIPT_CAUCASIAN_ALBANIAN = HB_TAG ('A','g','h','b'), + /*7.0*/ HB_SCRIPT_DUPLOYAN = HB_TAG ('D','u','p','l'), + /*7.0*/ HB_SCRIPT_ELBASAN = HB_TAG ('E','l','b','a'), + /*7.0*/ HB_SCRIPT_GRANTHA = HB_TAG ('G','r','a','n'), + /*7.0*/ HB_SCRIPT_KHOJKI = HB_TAG ('K','h','o','j'), + /*7.0*/ HB_SCRIPT_KHUDAWADI = HB_TAG ('S','i','n','d'), + /*7.0*/ HB_SCRIPT_LINEAR_A = HB_TAG ('L','i','n','a'), + /*7.0*/ HB_SCRIPT_MAHAJANI = HB_TAG ('M','a','h','j'), + /*7.0*/ HB_SCRIPT_MANICHAEAN = HB_TAG ('M','a','n','i'), + /*7.0*/ HB_SCRIPT_MENDE_KIKAKUI = HB_TAG ('M','e','n','d'), + /*7.0*/ HB_SCRIPT_MODI = HB_TAG ('M','o','d','i'), + /*7.0*/ HB_SCRIPT_MRO = HB_TAG ('M','r','o','o'), + /*7.0*/ HB_SCRIPT_NABATAEAN = HB_TAG ('N','b','a','t'), + /*7.0*/ HB_SCRIPT_OLD_NORTH_ARABIAN = HB_TAG ('N','a','r','b'), + /*7.0*/ HB_SCRIPT_OLD_PERMIC = HB_TAG ('P','e','r','m'), + /*7.0*/ HB_SCRIPT_PAHAWH_HMONG = HB_TAG ('H','m','n','g'), + /*7.0*/ HB_SCRIPT_PALMYRENE = HB_TAG ('P','a','l','m'), + /*7.0*/ HB_SCRIPT_PAU_CIN_HAU = HB_TAG ('P','a','u','c'), + /*7.0*/ HB_SCRIPT_PSALTER_PAHLAVI = HB_TAG ('P','h','l','p'), + /*7.0*/ HB_SCRIPT_SIDDHAM = HB_TAG ('S','i','d','d'), + /*7.0*/ HB_SCRIPT_TIRHUTA = HB_TAG ('T','i','r','h'), + /*7.0*/ HB_SCRIPT_WARANG_CITI = HB_TAG ('W','a','r','a'), + + /*8.0*/ HB_SCRIPT_AHOM = HB_TAG ('A','h','o','m'), + /*8.0*/ HB_SCRIPT_ANATOLIAN_HIEROGLYPHS = HB_TAG ('H','l','u','w'), + /*8.0*/ HB_SCRIPT_HATRAN = HB_TAG ('H','a','t','r'), + /*8.0*/ HB_SCRIPT_MULTANI = HB_TAG ('M','u','l','t'), + /*8.0*/ HB_SCRIPT_OLD_HUNGARIAN = HB_TAG ('H','u','n','g'), + /*8.0*/ HB_SCRIPT_SIGNWRITING = HB_TAG ('S','g','n','w'), + + /* No script set. */ + HB_SCRIPT_INVALID = HB_TAG_NONE, + + /* Dummy values to ensure any hb_tag_t value can be passed/stored as hb_script_t + * without risking undefined behavior. Include both a signed and unsigned max, + * since technically enums are int, and indeed, hb_script_t ends up being signed. + * See this thread for technicalities: + * + * http://lists.freedesktop.org/archives/harfbuzz/2014-March/004150.html + */ + _HB_SCRIPT_MAX_VALUE = HB_TAG_MAX, /*< skip >*/ + _HB_SCRIPT_MAX_VALUE_SIGNED = HB_TAG_MAX_SIGNED /*< skip >*/ + +} hb_script_t; + + +/* Script functions */ + +hb_script_t +hb_script_from_iso15924_tag (hb_tag_t tag); + +/* sugar for tag_from_string() then script_from_iso15924_tag */ +/* len=-1 means s is NUL-terminated */ +hb_script_t +hb_script_from_string (const char *s, int len); + +hb_tag_t +hb_script_to_iso15924_tag (hb_script_t script); + +hb_direction_t +hb_script_get_horizontal_direction (hb_script_t script); + + +/* User data */ + +typedef struct hb_user_data_key_t { + /*< private >*/ + char unused; +} hb_user_data_key_t; + +typedef void (*hb_destroy_func_t) (void *user_data); + + +HB_END_DECLS + +#endif /* HB_COMMON_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-coretext.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,1219 @@ +/* + * Copyright © 2012,2013 Mozilla Foundation. + * Copyright © 2012,2013 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Mozilla Author(s): Jonathan Kew + * Google Author(s): Behdad Esfahbod + */ + +#define HB_SHAPER coretext +#define hb_coretext_shaper_face_data_t CGFont +#include "hb-shaper-impl-private.hh" + +#include "hb-coretext.h" + + +#ifndef HB_DEBUG_CORETEXT +#define HB_DEBUG_CORETEXT (HB_DEBUG+0) +#endif + + +static void +release_table_data (void *user_data) +{ + CFDataRef cf_data = reinterpret_cast<CFDataRef> (user_data); + CFRelease(cf_data); +} + +static hb_blob_t * +reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data) +{ + CGFontRef cg_font = reinterpret_cast<CGFontRef> (user_data); + CFDataRef cf_data = CGFontCopyTableForTag (cg_font, tag); + if (unlikely (!cf_data)) + return NULL; + + const char *data = reinterpret_cast<const char*> (CFDataGetBytePtr (cf_data)); + const size_t length = CFDataGetLength (cf_data); + if (!data || !length) + return NULL; + + return hb_blob_create (data, length, HB_MEMORY_MODE_READONLY, + reinterpret_cast<void *> (const_cast<__CFData *> (cf_data)), + release_table_data); +} + +hb_face_t * +hb_coretext_face_create (CGFontRef cg_font) +{ + return hb_face_create_for_tables (reference_table, CGFontRetain (cg_font), (hb_destroy_func_t) CGFontRelease); +} + + +HB_SHAPER_DATA_ENSURE_DECLARE(coretext, face) +HB_SHAPER_DATA_ENSURE_DECLARE(coretext, font) + + +/* + * shaper face data + */ + +static void +release_data (void *info, const void *data, size_t size) +{ + assert (hb_blob_get_length ((hb_blob_t *) info) == size && + hb_blob_get_data ((hb_blob_t *) info, NULL) == data); + + hb_blob_destroy ((hb_blob_t *) info); +} + +hb_coretext_shaper_face_data_t * +_hb_coretext_shaper_face_data_create (hb_face_t *face) +{ + hb_coretext_shaper_face_data_t *data = NULL; + + if (face->destroy == (hb_destroy_func_t) CGFontRelease) + { + data = CGFontRetain ((CGFontRef) face->user_data); + } + else + { + hb_blob_t *blob = hb_face_reference_blob (face); + unsigned int blob_length; + const char *blob_data = hb_blob_get_data (blob, &blob_length); + if (unlikely (!blob_length)) + DEBUG_MSG (CORETEXT, face, "Face has empty blob"); + + CGDataProviderRef provider = CGDataProviderCreateWithData (blob, blob_data, blob_length, &release_data); + if (likely (provider)) + { + data = CGFontCreateWithDataProvider (provider); + CGDataProviderRelease (provider); + } + } + + if (unlikely (!data)) { + DEBUG_MSG (CORETEXT, face, "Face CGFontCreateWithDataProvider() failed"); + } + + return data; +} + +void +_hb_coretext_shaper_face_data_destroy (hb_coretext_shaper_face_data_t *data) +{ + CFRelease (data); +} + +/* + * Since: 0.9.10 + */ +CGFontRef +hb_coretext_face_get_cg_font (hb_face_t *face) +{ + if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return NULL; + hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face); + return face_data; +} + + +/* + * shaper font data + */ + +struct hb_coretext_shaper_font_data_t { + CTFontRef ct_font; + CGFloat x_mult, y_mult; /* From CT space to HB space. */ +}; + +hb_coretext_shaper_font_data_t * +_hb_coretext_shaper_font_data_create (hb_font_t *font) +{ + if (unlikely (!hb_coretext_shaper_face_data_ensure (font->face))) return NULL; + + hb_coretext_shaper_font_data_t *data = (hb_coretext_shaper_font_data_t *) calloc (1, sizeof (hb_coretext_shaper_font_data_t)); + if (unlikely (!data)) + return NULL; + + hb_face_t *face = font->face; + hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face); + + /* Choose a CoreText font size and calculate multipliers to convert to HarfBuzz space. */ + /* TODO: use upem instead of 36? */ + CGFloat font_size = 36.; /* Default... */ + /* No idea if the following is even a good idea. */ + if (font->y_ppem) + font_size = font->y_ppem; + + if (font_size < 0) + font_size = -font_size; + data->x_mult = (CGFloat) font->x_scale / font_size; + data->y_mult = (CGFloat) font->y_scale / font_size; + data->ct_font = CTFontCreateWithGraphicsFont (face_data, font_size, NULL, NULL); + if (unlikely (!data->ct_font)) { + DEBUG_MSG (CORETEXT, font, "Font CTFontCreateWithGraphicsFont() failed"); + free (data); + return NULL; + } + + return data; +} + +void +_hb_coretext_shaper_font_data_destroy (hb_coretext_shaper_font_data_t *data) +{ + CFRelease (data->ct_font); + free (data); +} + + +/* + * shaper shape_plan data + */ + +struct hb_coretext_shaper_shape_plan_data_t {}; + +hb_coretext_shaper_shape_plan_data_t * +_hb_coretext_shaper_shape_plan_data_create (hb_shape_plan_t *shape_plan HB_UNUSED, + const hb_feature_t *user_features HB_UNUSED, + unsigned int num_user_features HB_UNUSED) +{ + return (hb_coretext_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED; +} + +void +_hb_coretext_shaper_shape_plan_data_destroy (hb_coretext_shaper_shape_plan_data_t *data HB_UNUSED) +{ +} + +CTFontRef +hb_coretext_font_get_ct_font (hb_font_t *font) +{ + if (unlikely (!hb_coretext_shaper_font_data_ensure (font))) return NULL; + hb_coretext_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font); + return font_data->ct_font; +} + + +/* + * shaper + */ + +struct feature_record_t { + unsigned int feature; + unsigned int setting; +}; + +struct active_feature_t { + feature_record_t rec; + unsigned int order; + + static int cmp (const active_feature_t *a, const active_feature_t *b) { + return a->rec.feature < b->rec.feature ? -1 : a->rec.feature > b->rec.feature ? 1 : + a->order < b->order ? -1 : a->order > b->order ? 1 : + a->rec.setting < b->rec.setting ? -1 : a->rec.setting > b->rec.setting ? 1 : + 0; + } + bool operator== (const active_feature_t *f) { + return cmp (this, f) == 0; + } +}; + +struct feature_event_t { + unsigned int index; + bool start; + active_feature_t feature; + + static int cmp (const feature_event_t *a, const feature_event_t *b) { + return a->index < b->index ? -1 : a->index > b->index ? 1 : + a->start < b->start ? -1 : a->start > b->start ? 1 : + active_feature_t::cmp (&a->feature, &b->feature); + } +}; + +struct range_record_t { + CTFontRef font; + unsigned int index_first; /* == start */ + unsigned int index_last; /* == end - 1 */ +}; + + +/* The following enum members are added in OS X 10.8. */ +#define kAltHalfWidthTextSelector 6 +#define kAltProportionalTextSelector 5 +#define kAlternateHorizKanaOffSelector 1 +#define kAlternateHorizKanaOnSelector 0 +#define kAlternateKanaType 34 +#define kAlternateVertKanaOffSelector 3 +#define kAlternateVertKanaOnSelector 2 +#define kCaseSensitiveLayoutOffSelector 1 +#define kCaseSensitiveLayoutOnSelector 0 +#define kCaseSensitiveLayoutType 33 +#define kCaseSensitiveSpacingOffSelector 3 +#define kCaseSensitiveSpacingOnSelector 2 +#define kContextualAlternatesOffSelector 1 +#define kContextualAlternatesOnSelector 0 +#define kContextualAlternatesType 36 +#define kContextualLigaturesOffSelector 19 +#define kContextualLigaturesOnSelector 18 +#define kContextualSwashAlternatesOffSelector 5 +#define kContextualSwashAlternatesOnSelector 4 +#define kDefaultLowerCaseSelector 0 +#define kDefaultUpperCaseSelector 0 +#define kHistoricalLigaturesOffSelector 21 +#define kHistoricalLigaturesOnSelector 20 +#define kHojoCharactersSelector 12 +#define kJIS2004CharactersSelector 11 +#define kLowerCasePetiteCapsSelector 2 +#define kLowerCaseSmallCapsSelector 1 +#define kLowerCaseType 37 +#define kMathematicalGreekOffSelector 11 +#define kMathematicalGreekOnSelector 10 +#define kNLCCharactersSelector 13 +#define kQuarterWidthTextSelector 4 +#define kScientificInferiorsSelector 4 +#define kStylisticAltEightOffSelector 17 +#define kStylisticAltEightOnSelector 16 +#define kStylisticAltEighteenOffSelector 37 +#define kStylisticAltEighteenOnSelector 36 +#define kStylisticAltElevenOffSelector 23 +#define kStylisticAltElevenOnSelector 22 +#define kStylisticAltFifteenOffSelector 31 +#define kStylisticAltFifteenOnSelector 30 +#define kStylisticAltFiveOffSelector 11 +#define kStylisticAltFiveOnSelector 10 +#define kStylisticAltFourOffSelector 9 +#define kStylisticAltFourOnSelector 8 +#define kStylisticAltFourteenOffSelector 29 +#define kStylisticAltFourteenOnSelector 28 +#define kStylisticAltNineOffSelector 19 +#define kStylisticAltNineOnSelector 18 +#define kStylisticAltNineteenOffSelector 39 +#define kStylisticAltNineteenOnSelector 38 +#define kStylisticAltOneOffSelector 3 +#define kStylisticAltOneOnSelector 2 +#define kStylisticAltSevenOffSelector 15 +#define kStylisticAltSevenOnSelector 14 +#define kStylisticAltSeventeenOffSelector 35 +#define kStylisticAltSeventeenOnSelector 34 +#define kStylisticAltSixOffSelector 13 +#define kStylisticAltSixOnSelector 12 +#define kStylisticAltSixteenOffSelector 33 +#define kStylisticAltSixteenOnSelector 32 +#define kStylisticAltTenOffSelector 21 +#define kStylisticAltTenOnSelector 20 +#define kStylisticAltThirteenOffSelector 27 +#define kStylisticAltThirteenOnSelector 26 +#define kStylisticAltThreeOffSelector 7 +#define kStylisticAltThreeOnSelector 6 +#define kStylisticAltTwelveOffSelector 25 +#define kStylisticAltTwelveOnSelector 24 +#define kStylisticAltTwentyOffSelector 41 +#define kStylisticAltTwentyOnSelector 40 +#define kStylisticAltTwoOffSelector 5 +#define kStylisticAltTwoOnSelector 4 +#define kStylisticAlternativesType 35 +#define kSwashAlternatesOffSelector 3 +#define kSwashAlternatesOnSelector 2 +#define kThirdWidthTextSelector 3 +#define kTraditionalNamesCharactersSelector 14 +#define kUpperCasePetiteCapsSelector 2 +#define kUpperCaseSmallCapsSelector 1 +#define kUpperCaseType 38 + +/* Table data courtesy of Apple. */ +static const struct feature_mapping_t { + FourCharCode otFeatureTag; + uint16_t aatFeatureType; + uint16_t selectorToEnable; + uint16_t selectorToDisable; +} feature_mappings[] = { + { 'c2pc', kUpperCaseType, kUpperCasePetiteCapsSelector, kDefaultUpperCaseSelector }, + { 'c2sc', kUpperCaseType, kUpperCaseSmallCapsSelector, kDefaultUpperCaseSelector }, + { 'calt', kContextualAlternatesType, kContextualAlternatesOnSelector, kContextualAlternatesOffSelector }, + { 'case', kCaseSensitiveLayoutType, kCaseSensitiveLayoutOnSelector, kCaseSensitiveLayoutOffSelector }, + { 'clig', kLigaturesType, kContextualLigaturesOnSelector, kContextualLigaturesOffSelector }, + { 'cpsp', kCaseSensitiveLayoutType, kCaseSensitiveSpacingOnSelector, kCaseSensitiveSpacingOffSelector }, + { 'cswh', kContextualAlternatesType, kContextualSwashAlternatesOnSelector, kContextualSwashAlternatesOffSelector }, + { 'dlig', kLigaturesType, kRareLigaturesOnSelector, kRareLigaturesOffSelector }, + { 'expt', kCharacterShapeType, kExpertCharactersSelector, 16 }, + { 'frac', kFractionsType, kDiagonalFractionsSelector, kNoFractionsSelector }, + { 'fwid', kTextSpacingType, kMonospacedTextSelector, 7 }, + { 'halt', kTextSpacingType, kAltHalfWidthTextSelector, 7 }, + { 'hist', kLigaturesType, kHistoricalLigaturesOnSelector, kHistoricalLigaturesOffSelector }, + { 'hkna', kAlternateKanaType, kAlternateHorizKanaOnSelector, kAlternateHorizKanaOffSelector, }, + { 'hlig', kLigaturesType, kHistoricalLigaturesOnSelector, kHistoricalLigaturesOffSelector }, + { 'hngl', kTransliterationType, kHanjaToHangulSelector, kNoTransliterationSelector }, + { 'hojo', kCharacterShapeType, kHojoCharactersSelector, 16 }, + { 'hwid', kTextSpacingType, kHalfWidthTextSelector, 7 }, + { 'ital', kItalicCJKRomanType, kCJKItalicRomanOnSelector, kCJKItalicRomanOffSelector }, + { 'jp04', kCharacterShapeType, kJIS2004CharactersSelector, 16 }, + { 'jp78', kCharacterShapeType, kJIS1978CharactersSelector, 16 }, + { 'jp83', kCharacterShapeType, kJIS1983CharactersSelector, 16 }, + { 'jp90', kCharacterShapeType, kJIS1990CharactersSelector, 16 }, + { 'liga', kLigaturesType, kCommonLigaturesOnSelector, kCommonLigaturesOffSelector }, + { 'lnum', kNumberCaseType, kUpperCaseNumbersSelector, 2 }, + { 'mgrk', kMathematicalExtrasType, kMathematicalGreekOnSelector, kMathematicalGreekOffSelector }, + { 'nlck', kCharacterShapeType, kNLCCharactersSelector, 16 }, + { 'onum', kNumberCaseType, kLowerCaseNumbersSelector, 2 }, + { 'ordn', kVerticalPositionType, kOrdinalsSelector, kNormalPositionSelector }, + { 'palt', kTextSpacingType, kAltProportionalTextSelector, 7 }, + { 'pcap', kLowerCaseType, kLowerCasePetiteCapsSelector, kDefaultLowerCaseSelector }, + { 'pkna', kTextSpacingType, kProportionalTextSelector, 7 }, + { 'pnum', kNumberSpacingType, kProportionalNumbersSelector, 4 }, + { 'pwid', kTextSpacingType, kProportionalTextSelector, 7 }, + { 'qwid', kTextSpacingType, kQuarterWidthTextSelector, 7 }, + { 'ruby', kRubyKanaType, kRubyKanaOnSelector, kRubyKanaOffSelector }, + { 'sinf', kVerticalPositionType, kScientificInferiorsSelector, kNormalPositionSelector }, + { 'smcp', kLowerCaseType, kLowerCaseSmallCapsSelector, kDefaultLowerCaseSelector }, + { 'smpl', kCharacterShapeType, kSimplifiedCharactersSelector, 16 }, + { 'ss01', kStylisticAlternativesType, kStylisticAltOneOnSelector, kStylisticAltOneOffSelector }, + { 'ss02', kStylisticAlternativesType, kStylisticAltTwoOnSelector, kStylisticAltTwoOffSelector }, + { 'ss03', kStylisticAlternativesType, kStylisticAltThreeOnSelector, kStylisticAltThreeOffSelector }, + { 'ss04', kStylisticAlternativesType, kStylisticAltFourOnSelector, kStylisticAltFourOffSelector }, + { 'ss05', kStylisticAlternativesType, kStylisticAltFiveOnSelector, kStylisticAltFiveOffSelector }, + { 'ss06', kStylisticAlternativesType, kStylisticAltSixOnSelector, kStylisticAltSixOffSelector }, + { 'ss07', kStylisticAlternativesType, kStylisticAltSevenOnSelector, kStylisticAltSevenOffSelector }, + { 'ss08', kStylisticAlternativesType, kStylisticAltEightOnSelector, kStylisticAltEightOffSelector }, + { 'ss09', kStylisticAlternativesType, kStylisticAltNineOnSelector, kStylisticAltNineOffSelector }, + { 'ss10', kStylisticAlternativesType, kStylisticAltTenOnSelector, kStylisticAltTenOffSelector }, + { 'ss11', kStylisticAlternativesType, kStylisticAltElevenOnSelector, kStylisticAltElevenOffSelector }, + { 'ss12', kStylisticAlternativesType, kStylisticAltTwelveOnSelector, kStylisticAltTwelveOffSelector }, + { 'ss13', kStylisticAlternativesType, kStylisticAltThirteenOnSelector, kStylisticAltThirteenOffSelector }, + { 'ss14', kStylisticAlternativesType, kStylisticAltFourteenOnSelector, kStylisticAltFourteenOffSelector }, + { 'ss15', kStylisticAlternativesType, kStylisticAltFifteenOnSelector, kStylisticAltFifteenOffSelector }, + { 'ss16', kStylisticAlternativesType, kStylisticAltSixteenOnSelector, kStylisticAltSixteenOffSelector }, + { 'ss17', kStylisticAlternativesType, kStylisticAltSeventeenOnSelector, kStylisticAltSeventeenOffSelector }, + { 'ss18', kStylisticAlternativesType, kStylisticAltEighteenOnSelector, kStylisticAltEighteenOffSelector }, + { 'ss19', kStylisticAlternativesType, kStylisticAltNineteenOnSelector, kStylisticAltNineteenOffSelector }, + { 'ss20', kStylisticAlternativesType, kStylisticAltTwentyOnSelector, kStylisticAltTwentyOffSelector }, + { 'subs', kVerticalPositionType, kInferiorsSelector, kNormalPositionSelector }, + { 'sups', kVerticalPositionType, kSuperiorsSelector, kNormalPositionSelector }, + { 'swsh', kContextualAlternatesType, kSwashAlternatesOnSelector, kSwashAlternatesOffSelector }, + { 'titl', kStyleOptionsType, kTitlingCapsSelector, kNoStyleOptionsSelector }, + { 'tnam', kCharacterShapeType, kTraditionalNamesCharactersSelector, 16 }, + { 'tnum', kNumberSpacingType, kMonospacedNumbersSelector, 4 }, + { 'trad', kCharacterShapeType, kTraditionalCharactersSelector, 16 }, + { 'twid', kTextSpacingType, kThirdWidthTextSelector, 7 }, + { 'unic', kLetterCaseType, 14, 15 }, + { 'valt', kTextSpacingType, kAltProportionalTextSelector, 7 }, + { 'vert', kVerticalSubstitutionType, kSubstituteVerticalFormsOnSelector, kSubstituteVerticalFormsOffSelector }, + { 'vhal', kTextSpacingType, kAltHalfWidthTextSelector, 7 }, + { 'vkna', kAlternateKanaType, kAlternateVertKanaOnSelector, kAlternateVertKanaOffSelector }, + { 'vpal', kTextSpacingType, kAltProportionalTextSelector, 7 }, + { 'vrt2', kVerticalSubstitutionType, kSubstituteVerticalFormsOnSelector, kSubstituteVerticalFormsOffSelector }, + { 'zero', kTypographicExtrasType, kSlashedZeroOnSelector, kSlashedZeroOffSelector }, +}; + +static int +_hb_feature_mapping_cmp (const void *key_, const void *entry_) +{ + unsigned int key = * (unsigned int *) key_; + const feature_mapping_t * entry = (const feature_mapping_t *) entry_; + return key < entry->otFeatureTag ? -1 : + key > entry->otFeatureTag ? 1 : + 0; +} + +hb_bool_t +_hb_coretext_shape (hb_shape_plan_t *shape_plan, + hb_font_t *font, + hb_buffer_t *buffer, + const hb_feature_t *features, + unsigned int num_features) +{ + hb_face_t *face = font->face; + hb_coretext_shaper_face_data_t *face_data = HB_SHAPER_DATA_GET (face); + hb_coretext_shaper_font_data_t *font_data = HB_SHAPER_DATA_GET (font); + + /* Attach marks to their bases, to match the 'ot' shaper. + * Adapted from hb-ot-shape:hb_form_clusters(). + * Note that this only makes us be closer to the 'ot' shaper, + * but by no means the same. For example, if there's + * B1 M1 B2 M2, and B1-B2 form a ligature, M2's cluster will + * continue pointing to B2 even though B2 was merged into B1's + * cluster... */ + { + hb_unicode_funcs_t *unicode = buffer->unicode; + unsigned int count = buffer->len; + hb_glyph_info_t *info = buffer->info; + for (unsigned int i = 1; i < count; i++) + if (HB_UNICODE_GENERAL_CATEGORY_IS_MARK (unicode->general_category (info[i].codepoint))) + buffer->merge_clusters (i - 1, i + 1); + } + + hb_auto_array_t<feature_record_t> feature_records; + hb_auto_array_t<range_record_t> range_records; + + /* + * Set up features. + * (copied + modified from code from hb-uniscribe.cc) + */ + if (num_features) + { + /* Sort features by start/end events. */ + hb_auto_array_t<feature_event_t> feature_events; + for (unsigned int i = 0; i < num_features; i++) + { + const feature_mapping_t * mapping = (const feature_mapping_t *) bsearch (&features[i].tag, + feature_mappings, + ARRAY_LENGTH (feature_mappings), + sizeof (feature_mappings[0]), + _hb_feature_mapping_cmp); + if (!mapping) + continue; + + active_feature_t feature; + feature.rec.feature = mapping->aatFeatureType; + feature.rec.setting = features[i].value ? mapping->selectorToEnable : mapping->selectorToDisable; + feature.order = i; + + feature_event_t *event; + + event = feature_events.push (); + if (unlikely (!event)) + goto fail_features; + event->index = features[i].start; + event->start = true; + event->feature = feature; + + event = feature_events.push (); + if (unlikely (!event)) + goto fail_features; + event->index = features[i].end; + event->start = false; + event->feature = feature; + } + feature_events.qsort (); + /* Add a strategic final event. */ + { + active_feature_t feature; + feature.rec.feature = HB_TAG_NONE; + feature.rec.setting = 0; + feature.order = num_features + 1; + + feature_event_t *event = feature_events.push (); + if (unlikely (!event)) + goto fail_features; + event->index = 0; /* This value does magic. */ + event->start = false; + event->feature = feature; + } + + /* Scan events and save features for each range. */ + hb_auto_array_t<active_feature_t> active_features; + unsigned int last_index = 0; + for (unsigned int i = 0; i < feature_events.len; i++) + { + feature_event_t *event = &feature_events[i]; + + if (event->index != last_index) + { + /* Save a snapshot of active features and the range. */ + range_record_t *range = range_records.push (); + if (unlikely (!range)) + goto fail_features; + + if (active_features.len) + { + CFMutableArrayRef features_array = CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks); + + /* TODO sort and resolve conflicting features? */ + /* active_features.qsort (); */ + for (unsigned int j = 0; j < active_features.len; j++) + { + CFStringRef keys[2] = { + kCTFontFeatureTypeIdentifierKey, + kCTFontFeatureSelectorIdentifierKey + }; + CFNumberRef values[2] = { + CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.feature), + CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &active_features[j].rec.setting) + }; + CFDictionaryRef dict = CFDictionaryCreate (kCFAllocatorDefault, + (const void **) keys, + (const void **) values, + 2, + &kCFTypeDictionaryKeyCallBacks, + &kCFTypeDictionaryValueCallBacks); + CFRelease (values[0]); + CFRelease (values[1]); + + CFArrayAppendValue (features_array, dict); + CFRelease (dict); + + } + + CFDictionaryRef attributes = CFDictionaryCreate (kCFAllocatorDefault, + (const void **) &kCTFontFeatureSettingsAttribute, + (const void **) &features_array, + 1, + &kCFTypeDictionaryKeyCallBacks, + &kCFTypeDictionaryValueCallBacks); + CFRelease (features_array); + + CTFontDescriptorRef font_desc = CTFontDescriptorCreateWithAttributes (attributes); + CFRelease (attributes); + + range->font = CTFontCreateCopyWithAttributes (font_data->ct_font, 0.0, NULL, font_desc); + CFRelease (font_desc); + } + else + { + range->font = NULL; + } + + range->index_first = last_index; + range->index_last = event->index - 1; + + last_index = event->index; + } + + if (event->start) { + active_feature_t *feature = active_features.push (); + if (unlikely (!feature)) + goto fail_features; + *feature = event->feature; + } else { + active_feature_t *feature = active_features.find (&event->feature); + if (feature) + active_features.remove (feature - active_features.array); + } + } + + if (!range_records.len) /* No active feature found. */ + goto fail_features; + } + else + { + fail_features: + num_features = 0; + } + + unsigned int scratch_size; + hb_buffer_t::scratch_buffer_t *scratch = buffer->get_scratch_buffer (&scratch_size); + +#define ALLOCATE_ARRAY(Type, name, len, on_no_room) \ + Type *name = (Type *) scratch; \ + { \ + unsigned int _consumed = DIV_CEIL ((len) * sizeof (Type), sizeof (*scratch)); \ + if (unlikely (_consumed > scratch_size)) \ + { \ + on_no_room; \ + assert (0); \ + } \ + scratch += _consumed; \ + scratch_size -= _consumed; \ + } + + ALLOCATE_ARRAY (UniChar, pchars, buffer->len * 2, /*nothing*/); + unsigned int chars_len = 0; + for (unsigned int i = 0; i < buffer->len; i++) { + hb_codepoint_t c = buffer->info[i].codepoint; + if (likely (c <= 0xFFFFu)) + pchars[chars_len++] = c; + else if (unlikely (c > 0x10FFFFu)) + pchars[chars_len++] = 0xFFFDu; + else { + pchars[chars_len++] = 0xD800u + ((c - 0x10000u) >> 10); + pchars[chars_len++] = 0xDC00u + ((c - 0x10000u) & ((1 << 10) - 1)); + } + } + + ALLOCATE_ARRAY (unsigned int, log_clusters, chars_len, /*nothing*/); + chars_len = 0; + for (unsigned int i = 0; i < buffer->len; i++) + { + hb_codepoint_t c = buffer->info[i].codepoint; + unsigned int cluster = buffer->info[i].cluster; + log_clusters[chars_len++] = cluster; + if (hb_in_range (c, 0x10000u, 0x10FFFFu)) + log_clusters[chars_len++] = cluster; /* Surrogates. */ + } + +#define FAIL(...) \ + HB_STMT_START { \ + DEBUG_MSG (CORETEXT, NULL, __VA_ARGS__); \ + ret = false; \ + goto fail; \ + } HB_STMT_END; + + bool ret = true; + CFStringRef string_ref = NULL; + CTLineRef line = NULL; + + if (0) + { +resize_and_retry: + DEBUG_MSG (CORETEXT, buffer, "Buffer resize"); + /* string_ref uses the scratch-buffer for backing store, and line references + * string_ref (via attr_string). We must release those before resizing buffer. */ + assert (string_ref); + assert (line); + CFRelease (string_ref); + CFRelease (line); + string_ref = NULL; + line = NULL; + + /* Get previous start-of-scratch-area, that we use later for readjusting + * our existing scratch arrays. */ + unsigned int old_scratch_used; + hb_buffer_t::scratch_buffer_t *old_scratch; + old_scratch = buffer->get_scratch_buffer (&old_scratch_used); + old_scratch_used = scratch - old_scratch; + + if (unlikely (!buffer->ensure (buffer->allocated * 2))) + FAIL ("Buffer resize failed"); + + /* Adjust scratch, pchars, and log_cluster arrays. This is ugly, but really the + * cleanest way to do without completely restructuring the rest of this shaper. */ + scratch = buffer->get_scratch_buffer (&scratch_size); + pchars = reinterpret_cast<UniChar *> (((char *) scratch + ((char *) pchars - (char *) old_scratch))); + log_clusters = reinterpret_cast<unsigned int *> (((char *) scratch + ((char *) log_clusters - (char *) old_scratch))); + scratch += old_scratch_used; + scratch_size -= old_scratch_used; + } +retry: + { + string_ref = CFStringCreateWithCharactersNoCopy (NULL, + pchars, chars_len, + kCFAllocatorNull); + if (unlikely (!string_ref)) + FAIL ("CFStringCreateWithCharactersNoCopy failed"); + + /* Create an attributed string, populate it, and create a line from it, then release attributed string. */ + { + CFMutableAttributedStringRef attr_string = CFAttributedStringCreateMutable (kCFAllocatorDefault, + chars_len); + if (unlikely (!attr_string)) + FAIL ("CFAttributedStringCreateMutable failed"); + CFAttributedStringReplaceString (attr_string, CFRangeMake (0, 0), string_ref); + if (HB_DIRECTION_IS_VERTICAL (buffer->props.direction)) + { + CFAttributedStringSetAttribute (attr_string, CFRangeMake (0, chars_len), + kCTVerticalFormsAttributeName, kCFBooleanTrue); + } + + if (buffer->props.language) + { +/* What's the iOS equivalent of this check? + * The symbols was introduced in iOS 7.0. + * At any rate, our fallback is safe and works fine. */ +#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090 +# define kCTLanguageAttributeName CFSTR ("NSLanguage") +#endif + CFStringRef lang = CFStringCreateWithCStringNoCopy (kCFAllocatorDefault, + hb_language_to_string (buffer->props.language), + kCFStringEncodingUTF8, + kCFAllocatorNull); + if (unlikely (!lang)) + FAIL ("CFStringCreateWithCStringNoCopy failed"); + CFAttributedStringSetAttribute (attr_string, CFRangeMake (0, chars_len), + kCTLanguageAttributeName, lang); + CFRelease (lang); + } + CFAttributedStringSetAttribute (attr_string, CFRangeMake (0, chars_len), + kCTFontAttributeName, font_data->ct_font); + + if (num_features) + { + unsigned int start = 0; + range_record_t *last_range = &range_records[0]; + for (unsigned int k = 0; k < chars_len; k++) + { + range_record_t *range = last_range; + while (log_clusters[k] < range->index_first) + range--; + while (log_clusters[k] > range->index_last) + range++; + if (range != last_range) + { + if (last_range->font) + CFAttributedStringSetAttribute (attr_string, CFRangeMake (start, k - start), + kCTFontAttributeName, last_range->font); + + start = k; + } + + last_range = range; + } + if (start != chars_len && last_range->font) + CFAttributedStringSetAttribute (attr_string, CFRangeMake (start, chars_len - start), + kCTFontAttributeName, last_range->font); + } + + int level = HB_DIRECTION_IS_FORWARD (buffer->props.direction) ? 0 : 1; + CFNumberRef level_number = CFNumberCreate (kCFAllocatorDefault, kCFNumberIntType, &level); + CFDictionaryRef options = CFDictionaryCreate (kCFAllocatorDefault, + (const void **) &kCTTypesetterOptionForcedEmbeddingLevel, + (const void **) &level_number, + 1, + &kCFTypeDictionaryKeyCallBacks, + &kCFTypeDictionaryValueCallBacks); + if (unlikely (!options)) + FAIL ("CFDictionaryCreate failed"); + + CTTypesetterRef typesetter = CTTypesetterCreateWithAttributedStringAndOptions (attr_string, options); + CFRelease (options); + CFRelease (attr_string); + if (unlikely (!typesetter)) + FAIL ("CTTypesetterCreateWithAttributedStringAndOptions failed"); + + line = CTTypesetterCreateLine (typesetter, CFRangeMake(0, 0)); + CFRelease (typesetter); + if (unlikely (!line)) + FAIL ("CTTypesetterCreateLine failed"); + } + + CFArrayRef glyph_runs = CTLineGetGlyphRuns (line); + unsigned int num_runs = CFArrayGetCount (glyph_runs); + DEBUG_MSG (CORETEXT, NULL, "Num runs: %d", num_runs); + + buffer->len = 0; + uint32_t status_and = ~0, status_or = 0; + double advances_so_far = 0; + /* For right-to-left runs, CoreText returns the glyphs positioned such that + * any trailing whitespace is to the left of (0,0). Adjust coordinate system + * to fix for that. Test with any RTL string with trailing spaces. + * https://code.google.com/p/chromium/issues/detail?id=469028 + */ + if (HB_DIRECTION_IS_BACKWARD (buffer->props.direction)) + { + advances_so_far -= CTLineGetTrailingWhitespaceWidth (line); + if (HB_DIRECTION_IS_VERTICAL (buffer->props.direction)) + advances_so_far = -advances_so_far; + } + + const CFRange range_all = CFRangeMake (0, 0); + + for (unsigned int i = 0; i < num_runs; i++) + { + CTRunRef run = static_cast<CTRunRef>(CFArrayGetValueAtIndex (glyph_runs, i)); + CTRunStatus run_status = CTRunGetStatus (run); + status_or |= run_status; + status_and &= run_status; + DEBUG_MSG (CORETEXT, run, "CTRunStatus: %x", run_status); + double run_advance = CTRunGetTypographicBounds (run, range_all, NULL, NULL, NULL); + if (HB_DIRECTION_IS_VERTICAL (buffer->props.direction)) + run_advance = -run_advance; + DEBUG_MSG (CORETEXT, run, "Run advance: %g", run_advance); + + /* CoreText does automatic font fallback (AKA "cascading") for characters + * not supported by the requested font, and provides no way to turn it off, + * so we must detect if the returned run uses a font other than the requested + * one and fill in the buffer with .notdef glyphs instead of random glyph + * indices from a different font. + */ + CFDictionaryRef attributes = CTRunGetAttributes (run); + CTFontRef run_ct_font = static_cast<CTFontRef>(CFDictionaryGetValue (attributes, kCTFontAttributeName)); + if (!CFEqual (run_ct_font, font_data->ct_font)) + { + /* The run doesn't use our main font instance. We have to figure out + * whether font fallback happened, or this is just CoreText giving us + * another CTFont using the same underlying CGFont. CoreText seems + * to do that in a variety of situations, one of which being vertical + * text, but also perhaps for caching reasons. + * + * First, see if it uses any of our subfonts created to set font features... + * + * Next, compare the CGFont to the one we used to create our fonts. + * Even this doesn't work all the time. + * + * Finally, we compare PS names, which I don't think are unique... + * + * Looks like if we really want to be sure here we have to modify the + * font to change the name table, similar to what we do in the uniscribe + * backend. + * + * However, even that wouldn't work if we were passed in the CGFont to + * begin with. + * + * Webkit uses a slightly different approach: it installs LastResort + * as fallback chain, and then checks PS name of used font against + * LastResort. That one is safe for any font except for LastResort, + * as opposed to ours, which can fail if we are using any uninstalled + * font that has the same name as an installed font. + * + * See: http://github.com/behdad/harfbuzz/pull/36 + */ + bool matched = false; + for (unsigned int i = 0; i < range_records.len; i++) + if (range_records[i].font && CFEqual (run_ct_font, range_records[i].font)) + { + matched = true; + break; + } + if (!matched) + { + CGFontRef run_cg_font = CTFontCopyGraphicsFont (run_ct_font, 0); + if (run_cg_font) + { + matched = CFEqual (run_cg_font, face_data); + CFRelease (run_cg_font); + } + } + if (!matched) + { + CFStringRef font_ps_name = CTFontCopyName (font_data->ct_font, kCTFontPostScriptNameKey); + CFStringRef run_ps_name = CTFontCopyName (run_ct_font, kCTFontPostScriptNameKey); + CFComparisonResult result = CFStringCompare (run_ps_name, font_ps_name, 0); + CFRelease (run_ps_name); + CFRelease (font_ps_name); + if (result == kCFCompareEqualTo) + matched = true; + } + if (!matched) + { + CFRange range = CTRunGetStringRange (run); + DEBUG_MSG (CORETEXT, run, "Run used fallback font: %ld..%ld", + range.location, range.location + range.length); + if (!buffer->ensure_inplace (buffer->len + range.length)) + goto resize_and_retry; + hb_glyph_info_t *info = buffer->info + buffer->len; + + hb_codepoint_t notdef = 0; + hb_direction_t dir = buffer->props.direction; + hb_position_t x_advance, y_advance, x_offset, y_offset; + hb_font_get_glyph_advance_for_direction (font, notdef, dir, &x_advance, &y_advance); + hb_font_get_glyph_origin_for_direction (font, notdef, dir, &x_offset, &y_offset); + hb_position_t advance = x_advance + y_advance; + x_offset = -x_offset; + y_offset = -y_offset; + + unsigned int old_len = buffer->len; + for (CFIndex j = range.location; j < range.location + range.length; j++) + { + UniChar ch = CFStringGetCharacterAtIndex (string_ref, j); + if (hb_in_range<UniChar> (ch, 0xDC00u, 0xDFFFu) && range.location < j) + { + ch = CFStringGetCharacterAtIndex (string_ref, j - 1); + if (hb_in_range<UniChar> (ch, 0xD800u, 0xDBFFu)) + /* This is the second of a surrogate pair. Don't need .notdef + * for this one. */ + continue; + } + if (buffer->unicode->is_default_ignorable (ch)) + continue; + + info->codepoint = notdef; + info->cluster = log_clusters[j]; + + info->mask = advance; + info->var1.i32 = x_offset; + info->var2.i32 = y_offset; + + info++; + buffer->len++; + } + if (HB_DIRECTION_IS_BACKWARD (buffer->props.direction)) + buffer->reverse_range (old_len, buffer->len); + advances_so_far += run_advance; + continue; + } + } + + unsigned int num_glyphs = CTRunGetGlyphCount (run); + if (num_glyphs == 0) + continue; + + if (!buffer->ensure_inplace (buffer->len + num_glyphs)) + goto resize_and_retry; + + hb_glyph_info_t *run_info = buffer->info + buffer->len; + + /* Testing used to indicate that CTRunGetGlyphsPtr, etc (almost?) always + * succeed, and so copying data to our own buffer will be rare. Reports + * have it that this changed in OS X 10.10 Yosemite, and NULL is returned + * frequently. At any rate, we can test that codepath by setting USE_PTR + * to false. */ + +#define USE_PTR true + +#define SCRATCH_SAVE() \ + unsigned int scratch_size_saved = scratch_size; \ + hb_buffer_t::scratch_buffer_t *scratch_saved = scratch + +#define SCRATCH_RESTORE() \ + scratch_size = scratch_size_saved; \ + scratch = scratch_saved; + + { /* Setup glyphs */ + SCRATCH_SAVE(); + const CGGlyph* glyphs = USE_PTR ? CTRunGetGlyphsPtr (run) : NULL; + if (!glyphs) { + ALLOCATE_ARRAY (CGGlyph, glyph_buf, num_glyphs, goto resize_and_retry); + CTRunGetGlyphs (run, range_all, glyph_buf); + glyphs = glyph_buf; + } + const CFIndex* string_indices = USE_PTR ? CTRunGetStringIndicesPtr (run) : NULL; + if (!string_indices) { + ALLOCATE_ARRAY (CFIndex, index_buf, num_glyphs, goto resize_and_retry); + CTRunGetStringIndices (run, range_all, index_buf); + string_indices = index_buf; + } + hb_glyph_info_t *info = run_info; + for (unsigned int j = 0; j < num_glyphs; j++) + { + info->codepoint = glyphs[j]; + info->cluster = log_clusters[string_indices[j]]; + info++; + } + SCRATCH_RESTORE(); + } + { + /* Setup positions. + * Note that CoreText does not return advances for glyphs. As such, + * for all but last glyph, we use the delta position to next glyph as + * advance (in the advance direction only), and for last glyph we set + * whatever is needed to make the whole run's advance add up. */ + SCRATCH_SAVE(); + const CGPoint* positions = USE_PTR ? CTRunGetPositionsPtr (run) : NULL; + if (!positions) { + ALLOCATE_ARRAY (CGPoint, position_buf, num_glyphs, goto resize_and_retry); + CTRunGetPositions (run, range_all, position_buf); + positions = position_buf; + } + hb_glyph_info_t *info = run_info; + CGFloat x_mult = font_data->x_mult, y_mult = font_data->y_mult; + if (HB_DIRECTION_IS_HORIZONTAL (buffer->props.direction)) + { + hb_position_t x_offset = (positions[0].x - advances_so_far) * x_mult; + for (unsigned int j = 0; j < num_glyphs; j++) + { + double advance; + if (likely (j + 1 < num_glyphs)) + advance = positions[j + 1].x - positions[j].x; + else /* last glyph */ + advance = run_advance - (positions[j].x - positions[0].x); + info->mask = advance * x_mult; + info->var1.i32 = x_offset; + info->var2.i32 = positions[j].y * y_mult; + info++; + } + } + else + { + hb_position_t y_offset = (positions[0].y - advances_so_far) * y_mult; + for (unsigned int j = 0; j < num_glyphs; j++) + { + double advance; + if (likely (j + 1 < num_glyphs)) + advance = positions[j + 1].y - positions[j].y; + else /* last glyph */ + advance = run_advance - (positions[j].y - positions[0].y); + info->mask = advance * y_mult; + info->var1.i32 = positions[j].x * x_mult; + info->var2.i32 = y_offset; + info++; + } + } + SCRATCH_RESTORE(); + advances_so_far += run_advance; + } +#undef SCRATCH_RESTORE +#undef SCRATCH_SAVE +#undef USE_PTR +#undef ALLOCATE_ARRAY + + buffer->len += num_glyphs; + } + + /* Mac OS 10.6 doesn't have kCTTypesetterOptionForcedEmbeddingLevel, + * or if it does, it doesn't resepct it. So we get runs with wrong + * directions. As such, disable the assert... It wouldn't crash, but + * cursoring will be off... + * + * http://crbug.com/419769 + */ + if (0) + { + /* Make sure all runs had the expected direction. */ + bool backward = HB_DIRECTION_IS_BACKWARD (buffer->props.direction); + assert (bool (status_and & kCTRunStatusRightToLeft) == backward); + assert (bool (status_or & kCTRunStatusRightToLeft) == backward); + } + + buffer->clear_positions (); + + unsigned int count = buffer->len; + hb_glyph_info_t *info = buffer->info; + hb_glyph_position_t *pos = buffer->pos; + if (HB_DIRECTION_IS_HORIZONTAL (buffer->props.direction)) + for (unsigned int i = 0; i < count; i++) + { + pos->x_advance = info->mask; + pos->x_offset = info->var1.i32; + pos->y_offset = info->var2.i32; + info++, pos++; + } + else + for (unsigned int i = 0; i < count; i++) + { + pos->y_advance = info->mask; + pos->x_offset = info->var1.i32; + pos->y_offset = info->var2.i32; + info++, pos++; + } + + /* Fix up clusters so that we never return out-of-order indices; + * if core text has reordered glyphs, we'll merge them to the + * beginning of the reordered cluster. CoreText is nice enough + * to tell us whenever it has produced nonmonotonic results... + * Note that we assume the input clusters were nonmonotonic to + * begin with. + * + * This does *not* mean we'll form the same clusters as Uniscribe + * or the native OT backend, only that the cluster indices will be + * monotonic in the output buffer. */ + if (count > 1 && (status_or & kCTRunStatusNonMonotonic)) + { + hb_glyph_info_t *info = buffer->info; + if (HB_DIRECTION_IS_FORWARD (buffer->props.direction)) + { + unsigned int cluster = info[count - 1].cluster; + for (unsigned int i = count - 1; i > 0; i--) + { + cluster = MIN (cluster, info[i - 1].cluster); + info[i - 1].cluster = cluster; + } + } + else + { + unsigned int cluster = info[0].cluster; + for (unsigned int i = 1; i < count; i++) + { + cluster = MIN (cluster, info[i].cluster); + info[i].cluster = cluster; + } + } + } + } + +#undef FAIL + +fail: + if (string_ref) + CFRelease (string_ref); + if (line) + CFRelease (line); + + for (unsigned int i = 0; i < range_records.len; i++) + if (range_records[i].font) + CFRelease (range_records[i].font); + + return ret; +} + + +/* + * AAT shaper + */ + +HB_SHAPER_DATA_ENSURE_DECLARE(coretext_aat, face) +HB_SHAPER_DATA_ENSURE_DECLARE(coretext_aat, font) + + +/* + * shaper face data + */ + +struct hb_coretext_aat_shaper_face_data_t {}; + +hb_coretext_aat_shaper_face_data_t * +_hb_coretext_aat_shaper_face_data_create (hb_face_t *face) +{ + hb_blob_t *mort_blob = face->reference_table (HB_CORETEXT_TAG_MORT); + /* Umm, we just reference the table to check whether it exists. + * Maybe add better API for this? */ + if (!hb_blob_get_length (mort_blob)) + { + hb_blob_destroy (mort_blob); + mort_blob = face->reference_table (HB_CORETEXT_TAG_MORX); + if (!hb_blob_get_length (mort_blob)) + { + hb_blob_destroy (mort_blob); + return NULL; + } + } + hb_blob_destroy (mort_blob); + + return hb_coretext_shaper_face_data_ensure (face) ? (hb_coretext_aat_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED : NULL; +} + +void +_hb_coretext_aat_shaper_face_data_destroy (hb_coretext_aat_shaper_face_data_t *data HB_UNUSED) +{ +} + + +/* + * shaper font data + */ + +struct hb_coretext_aat_shaper_font_data_t {}; + +hb_coretext_aat_shaper_font_data_t * +_hb_coretext_aat_shaper_font_data_create (hb_font_t *font) +{ + return hb_coretext_shaper_font_data_ensure (font) ? (hb_coretext_aat_shaper_font_data_t *) HB_SHAPER_DATA_SUCCEEDED : NULL; +} + +void +_hb_coretext_aat_shaper_font_data_destroy (hb_coretext_aat_shaper_font_data_t *data HB_UNUSED) +{ +} + + +/* + * shaper shape_plan data + */ + +struct hb_coretext_aat_shaper_shape_plan_data_t {}; + +hb_coretext_aat_shaper_shape_plan_data_t * +_hb_coretext_aat_shaper_shape_plan_data_create (hb_shape_plan_t *shape_plan HB_UNUSED, + const hb_feature_t *user_features HB_UNUSED, + unsigned int num_user_features HB_UNUSED) +{ + return (hb_coretext_aat_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED; +} + +void +_hb_coretext_aat_shaper_shape_plan_data_destroy (hb_coretext_aat_shaper_shape_plan_data_t *data HB_UNUSED) +{ +} + + +/* + * shaper + */ + +hb_bool_t +_hb_coretext_aat_shape (hb_shape_plan_t *shape_plan, + hb_font_t *font, + hb_buffer_t *buffer, + const hb_feature_t *features, + unsigned int num_features) +{ + return _hb_coretext_shape (shape_plan, font, buffer, features, num_features); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-coretext.h Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,60 @@ +/* + * Copyright © 2012 Mozilla Foundation. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Mozilla Author(s): Jonathan Kew + */ + +#ifndef HB_CORETEXT_H +#define HB_CORETEXT_H + +#include "hb.h" + +#include <TargetConditionals.h> +#if TARGET_OS_IPHONE +# include <CoreText/CoreText.h> +# include <CoreGraphics/CoreGraphics.h> +#else +# include <ApplicationServices/ApplicationServices.h> +#endif + +HB_BEGIN_DECLS + + +#define HB_CORETEXT_TAG_MORT HB_TAG('m','o','r','t') +#define HB_CORETEXT_TAG_MORX HB_TAG('m','o','r','x') + + +hb_face_t * +hb_coretext_face_create (CGFontRef cg_font); + + +CGFontRef +hb_coretext_face_get_cg_font (hb_face_t *face); + +CTFontRef +hb_coretext_font_get_ct_font (hb_font_t *font); + + +HB_END_DECLS + +#endif /* HB_CORETEXT_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-deprecated.h Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,51 @@ +/* + * Copyright © 2013 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_H_IN +#error "Include <hb.h> instead." +#endif + +#ifndef HB_DEPRECATED_H +#define HB_DEPRECATED_H + +#include "hb-common.h" +#include "hb-unicode.h" +#include "hb-font.h" + +HB_BEGIN_DECLS + +#ifndef HB_DISABLE_DEPRECATED + +#define HB_SCRIPT_CANADIAN_ABORIGINAL HB_SCRIPT_CANADIAN_SYLLABICS + +#define HB_BUFFER_FLAGS_DEFAULT HB_BUFFER_FLAG_DEFAULT +#define HB_BUFFER_SERIALIZE_FLAGS_DEFAULT HB_BUFFER_SERIALIZE_FLAG_DEFAULT + +#endif + +HB_END_DECLS + +#endif /* HB_DEPRECATED_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-face-private.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,107 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * Copyright © 2011 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_FACE_PRIVATE_HH +#define HB_FACE_PRIVATE_HH + +#include "hb-private.hh" + +#include "hb-object-private.hh" +#include "hb-shaper-private.hh" +#include "hb-shape-plan-private.hh" + + +/* + * hb_face_t + */ + +struct hb_face_t { + hb_object_header_t header; + ASSERT_POD (); + + hb_bool_t immutable; + + hb_reference_table_func_t reference_table_func; + void *user_data; + hb_destroy_func_t destroy; + + unsigned int index; + mutable unsigned int upem; + mutable unsigned int num_glyphs; + + struct hb_shaper_data_t shaper_data; + + struct plan_node_t { + hb_shape_plan_t *shape_plan; + plan_node_t *next; + } *shape_plans; + + + inline hb_blob_t *reference_table (hb_tag_t tag) const + { + hb_blob_t *blob; + + if (unlikely (!reference_table_func)) + return hb_blob_get_empty (); + + blob = reference_table_func (/*XXX*/const_cast<hb_face_t *> (this), tag, user_data); + if (unlikely (!blob)) + return hb_blob_get_empty (); + + return blob; + } + + inline HB_PURE_FUNC unsigned int get_upem (void) const + { + if (unlikely (!upem)) + load_upem (); + return upem; + } + + inline unsigned int get_num_glyphs (void) const + { + if (unlikely (num_glyphs == (unsigned int) -1)) + load_num_glyphs (); + return num_glyphs; + } + + private: + HB_INTERNAL void load_upem (void) const; + HB_INTERNAL void load_num_glyphs (void) const; +}; + +extern HB_INTERNAL const hb_face_t _hb_face_nil; + +#define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, face); +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT +#undef HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS + + +#endif /* HB_FACE_PRIVATE_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-face.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,481 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * Copyright © 2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#include "hb-private.hh" + +#include "hb-ot-layout-private.hh" + +#include "hb-font-private.hh" +#include "hb-open-file-private.hh" +#include "hb-ot-head-table.hh" +#include "hb-ot-maxp-table.hh" + +#include "hb-cache-private.hh" + +#include <string.h> + + +/* + * hb_face_t + */ + +const hb_face_t _hb_face_nil = { + HB_OBJECT_HEADER_STATIC, + + true, /* immutable */ + + NULL, /* reference_table_func */ + NULL, /* user_data */ + NULL, /* destroy */ + + 0, /* index */ + 1000, /* upem */ + 0, /* num_glyphs */ + + { +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID, +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT + }, + + NULL, /* shape_plans */ +}; + + +/** + * hb_face_create_for_tables: + * @reference_table_func: (closure user_data) (destroy destroy) (scope notified): + * @user_data: + * @destroy: + * + * + * + * Return value: (transfer full) + * + * Since: 0.9.2 + **/ +hb_face_t * +hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, + void *user_data, + hb_destroy_func_t destroy) +{ + hb_face_t *face; + + if (!reference_table_func || !(face = hb_object_create<hb_face_t> ())) { + if (destroy) + destroy (user_data); + return hb_face_get_empty (); + } + + face->reference_table_func = reference_table_func; + face->user_data = user_data; + face->destroy = destroy; + + face->upem = 0; + face->num_glyphs = (unsigned int) -1; + + return face; +} + + +typedef struct hb_face_for_data_closure_t { + hb_blob_t *blob; + unsigned int index; +} hb_face_for_data_closure_t; + +static hb_face_for_data_closure_t * +_hb_face_for_data_closure_create (hb_blob_t *blob, unsigned int index) +{ + hb_face_for_data_closure_t *closure; + + closure = (hb_face_for_data_closure_t *) calloc (1, sizeof (hb_face_for_data_closure_t)); + if (unlikely (!closure)) + return NULL; + + closure->blob = blob; + closure->index = index; + + return closure; +} + +static void +_hb_face_for_data_closure_destroy (hb_face_for_data_closure_t *closure) +{ + hb_blob_destroy (closure->blob); + free (closure); +} + +static hb_blob_t * +_hb_face_for_data_reference_table (hb_face_t *face HB_UNUSED, hb_tag_t tag, void *user_data) +{ + hb_face_for_data_closure_t *data = (hb_face_for_data_closure_t *) user_data; + + if (tag == HB_TAG_NONE) + return hb_blob_reference (data->blob); + + const OT::OpenTypeFontFile &ot_file = *OT::Sanitizer<OT::OpenTypeFontFile>::lock_instance (data->blob); + const OT::OpenTypeFontFace &ot_face = ot_file.get_face (data->index); + + const OT::OpenTypeTable &table = ot_face.get_table_by_tag (tag); + + hb_blob_t *blob = hb_blob_create_sub_blob (data->blob, table.offset, table.length); + + return blob; +} + +/** + * hb_face_create: (Xconstructor) + * @blob: + * @index: + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_face_t * +hb_face_create (hb_blob_t *blob, + unsigned int index) +{ + hb_face_t *face; + + if (unlikely (!blob)) + blob = hb_blob_get_empty (); + + hb_face_for_data_closure_t *closure = _hb_face_for_data_closure_create (OT::Sanitizer<OT::OpenTypeFontFile>::sanitize (hb_blob_reference (blob)), index); + + if (unlikely (!closure)) + return hb_face_get_empty (); + + face = hb_face_create_for_tables (_hb_face_for_data_reference_table, + closure, + (hb_destroy_func_t) _hb_face_for_data_closure_destroy); + + hb_face_set_index (face, index); + + return face; +} + +/** + * hb_face_get_empty: + * + * + * + * Return value: (transfer full) + * + * Since: 0.9.2 + **/ +hb_face_t * +hb_face_get_empty (void) +{ + return const_cast<hb_face_t *> (&_hb_face_nil); +} + + +/** + * hb_face_reference: (skip) + * @face: a face. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_face_t * +hb_face_reference (hb_face_t *face) +{ + return hb_object_reference (face); +} + +/** + * hb_face_destroy: (skip) + * @face: a face. + * + * + * + * Since: 0.9.2 + **/ +void +hb_face_destroy (hb_face_t *face) +{ + if (!hb_object_destroy (face)) return; + + for (hb_face_t::plan_node_t *node = face->shape_plans; node; ) + { + hb_face_t::plan_node_t *next = node->next; + hb_shape_plan_destroy (node->shape_plan); + free (node); + node = next; + } + +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, face); +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT + + if (face->destroy) + face->destroy (face->user_data); + + free (face); +} + +/** + * hb_face_set_user_data: (skip) + * @face: a face. + * @key: + * @data: + * @destroy: + * @replace: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_face_set_user_data (hb_face_t *face, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace) +{ + return hb_object_set_user_data (face, key, data, destroy, replace); +} + +/** + * hb_face_get_user_data: (skip) + * @face: a face. + * @key: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +void * +hb_face_get_user_data (hb_face_t *face, + hb_user_data_key_t *key) +{ + return hb_object_get_user_data (face, key); +} + +/** + * hb_face_make_immutable: + * @face: a face. + * + * + * + * Since: 0.9.2 + **/ +void +hb_face_make_immutable (hb_face_t *face) +{ + if (unlikely (hb_object_is_inert (face))) + return; + + face->immutable = true; +} + +/** + * hb_face_is_immutable: + * @face: a face. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_face_is_immutable (hb_face_t *face) +{ + return face->immutable; +} + + +/** + * hb_face_reference_table: + * @face: a face. + * @tag: + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_blob_t * +hb_face_reference_table (hb_face_t *face, + hb_tag_t tag) +{ + return face->reference_table (tag); +} + +/** + * hb_face_reference_blob: + * @face: a face. + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_blob_t * +hb_face_reference_blob (hb_face_t *face) +{ + return face->reference_table (HB_TAG_NONE); +} + +/** + * hb_face_set_index: + * @face: a face. + * @index: + * + * + * + * Since: 0.9.2 + **/ +void +hb_face_set_index (hb_face_t *face, + unsigned int index) +{ + if (face->immutable) + return; + + face->index = index; +} + +/** + * hb_face_get_index: + * @face: a face. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +unsigned int +hb_face_get_index (hb_face_t *face) +{ + return face->index; +} + +/** + * hb_face_set_upem: + * @face: a face. + * @upem: + * + * + * + * Since: 0.9.2 + **/ +void +hb_face_set_upem (hb_face_t *face, + unsigned int upem) +{ + if (face->immutable) + return; + + face->upem = upem; +} + +/** + * hb_face_get_upem: + * @face: a face. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +unsigned int +hb_face_get_upem (hb_face_t *face) +{ + return face->get_upem (); +} + +void +hb_face_t::load_upem (void) const +{ + hb_blob_t *head_blob = OT::Sanitizer<OT::head>::sanitize (reference_table (HB_OT_TAG_head)); + const OT::head *head_table = OT::Sanitizer<OT::head>::lock_instance (head_blob); + upem = head_table->get_upem (); + hb_blob_destroy (head_blob); +} + +/** + * hb_face_set_glyph_count: + * @face: a face. + * @glyph_count: + * + * + * + * Since: 0.9.7 + **/ +void +hb_face_set_glyph_count (hb_face_t *face, + unsigned int glyph_count) +{ + if (face->immutable) + return; + + face->num_glyphs = glyph_count; +} + +/** + * hb_face_get_glyph_count: + * @face: a face. + * + * + * + * Return value: + * + * Since: 0.9.7 + **/ +unsigned int +hb_face_get_glyph_count (hb_face_t *face) +{ + return face->get_num_glyphs (); +} + +void +hb_face_t::load_num_glyphs (void) const +{ + hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>::sanitize (reference_table (HB_OT_TAG_maxp)); + const OT::maxp *maxp_table = OT::Sanitizer<OT::maxp>::lock_instance (maxp_blob); + num_glyphs = maxp_table->get_num_glyphs (); + hb_blob_destroy (maxp_blob); +} + +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-face.h Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,117 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + */ + +#ifndef HB_H_IN +#error "Include <hb.h> instead." +#endif + +#ifndef HB_FACE_H +#define HB_FACE_H + +#include "hb-common.h" +#include "hb-blob.h" + +HB_BEGIN_DECLS + + +/* + * hb_face_t + */ + +typedef struct hb_face_t hb_face_t; + +hb_face_t * +hb_face_create (hb_blob_t *blob, + unsigned int index); + +typedef hb_blob_t * (*hb_reference_table_func_t) (hb_face_t *face, hb_tag_t tag, void *user_data); + +/* calls destroy() when not needing user_data anymore */ +hb_face_t * +hb_face_create_for_tables (hb_reference_table_func_t reference_table_func, + void *user_data, + hb_destroy_func_t destroy); + +hb_face_t * +hb_face_get_empty (void); + +hb_face_t * +hb_face_reference (hb_face_t *face); + +void +hb_face_destroy (hb_face_t *face); + +hb_bool_t +hb_face_set_user_data (hb_face_t *face, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace); + + +void * +hb_face_get_user_data (hb_face_t *face, + hb_user_data_key_t *key); + +void +hb_face_make_immutable (hb_face_t *face); + +hb_bool_t +hb_face_is_immutable (hb_face_t *face); + + +hb_blob_t * +hb_face_reference_table (hb_face_t *face, + hb_tag_t tag); + +hb_blob_t * +hb_face_reference_blob (hb_face_t *face); + +void +hb_face_set_index (hb_face_t *face, + unsigned int index); + +unsigned int +hb_face_get_index (hb_face_t *face); + +void +hb_face_set_upem (hb_face_t *face, + unsigned int upem); + +unsigned int +hb_face_get_upem (hb_face_t *face); + +void +hb_face_set_glyph_count (hb_face_t *face, + unsigned int glyph_count); + +unsigned int +hb_face_get_glyph_count (hb_face_t *face); + + +HB_END_DECLS + +#endif /* HB_FACE_H */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-fallback-shape.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,141 @@ +/* + * Copyright © 2011 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#define HB_SHAPER fallback +#include "hb-shaper-impl-private.hh" + + +/* + * shaper face data + */ + +struct hb_fallback_shaper_face_data_t {}; + +hb_fallback_shaper_face_data_t * +_hb_fallback_shaper_face_data_create (hb_face_t *face HB_UNUSED) +{ + return (hb_fallback_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED; +} + +void +_hb_fallback_shaper_face_data_destroy (hb_fallback_shaper_face_data_t *data HB_UNUSED) +{ +} + + +/* + * shaper font data + */ + +struct hb_fallback_shaper_font_data_t {}; + +hb_fallback_shaper_font_data_t * +_hb_fallback_shaper_font_data_create (hb_font_t *font HB_UNUSED) +{ + return (hb_fallback_shaper_font_data_t *) HB_SHAPER_DATA_SUCCEEDED; +} + +void +_hb_fallback_shaper_font_data_destroy (hb_fallback_shaper_font_data_t *data HB_UNUSED) +{ +} + + +/* + * shaper shape_plan data + */ + +struct hb_fallback_shaper_shape_plan_data_t {}; + +hb_fallback_shaper_shape_plan_data_t * +_hb_fallback_shaper_shape_plan_data_create (hb_shape_plan_t *shape_plan HB_UNUSED, + const hb_feature_t *user_features HB_UNUSED, + unsigned int num_user_features HB_UNUSED) +{ + return (hb_fallback_shaper_shape_plan_data_t *) HB_SHAPER_DATA_SUCCEEDED; +} + +void +_hb_fallback_shaper_shape_plan_data_destroy (hb_fallback_shaper_shape_plan_data_t *data HB_UNUSED) +{ +} + + +/* + * shaper + */ + +hb_bool_t +_hb_fallback_shape (hb_shape_plan_t *shape_plan HB_UNUSED, + hb_font_t *font, + hb_buffer_t *buffer, + const hb_feature_t *features HB_UNUSED, + unsigned int num_features HB_UNUSED) +{ + /* TODO + * + * - Apply fallback kern. + * - Handle Variation Selectors? + * - Apply normalization? + * + * This will make the fallback shaper into a dumb "TrueType" + * shaper which many people unfortunately still request. + */ + + hb_codepoint_t space; + bool has_space = font->get_glyph (' ', 0, &space); + + buffer->clear_positions (); + + hb_direction_t direction = buffer->props.direction; + hb_unicode_funcs_t *unicode = buffer->unicode; + unsigned int count = buffer->len; + hb_glyph_info_t *info = buffer->info; + hb_glyph_position_t *pos = buffer->pos; + for (unsigned int i = 0; i < count; i++) + { + if (has_space && unicode->is_default_ignorable (info[i].codepoint)) { + info[i].codepoint = space; + pos[i].x_advance = 0; + pos[i].y_advance = 0; + continue; + } + font->get_glyph (info[i].codepoint, 0, &info[i].codepoint); + font->get_glyph_advance_for_direction (info[i].codepoint, + direction, + &pos[i].x_advance, + &pos[i].y_advance); + font->subtract_glyph_origin_for_direction (info[i].codepoint, + direction, + &pos[i].x_offset, + &pos[i].y_offset); + } + + if (HB_DIRECTION_IS_BACKWARD (direction)) + hb_buffer_reverse (buffer); + + return true; +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-font-private.hh Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,415 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * Copyright © 2011 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_FONT_PRIVATE_HH +#define HB_FONT_PRIVATE_HH + +#include "hb-private.hh" + +#include "hb-object-private.hh" +#include "hb-face-private.hh" +#include "hb-shaper-private.hh" + + + +/* + * hb_font_funcs_t + */ + +#define HB_FONT_FUNCS_IMPLEMENT_CALLBACKS \ + HB_FONT_FUNC_IMPLEMENT (glyph) \ + HB_FONT_FUNC_IMPLEMENT (glyph_h_advance) \ + HB_FONT_FUNC_IMPLEMENT (glyph_v_advance) \ + HB_FONT_FUNC_IMPLEMENT (glyph_h_origin) \ + HB_FONT_FUNC_IMPLEMENT (glyph_v_origin) \ + HB_FONT_FUNC_IMPLEMENT (glyph_h_kerning) \ + HB_FONT_FUNC_IMPLEMENT (glyph_v_kerning) \ + HB_FONT_FUNC_IMPLEMENT (glyph_extents) \ + HB_FONT_FUNC_IMPLEMENT (glyph_contour_point) \ + HB_FONT_FUNC_IMPLEMENT (glyph_name) \ + HB_FONT_FUNC_IMPLEMENT (glyph_from_name) \ + /* ^--- Add new callbacks here */ + +struct hb_font_funcs_t { + hb_object_header_t header; + ASSERT_POD (); + + hb_bool_t immutable; + + /* Don't access these directly. Call hb_font_get_*() instead. */ + + struct { +#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_func_t name; + HB_FONT_FUNCS_IMPLEMENT_CALLBACKS +#undef HB_FONT_FUNC_IMPLEMENT + } get; + + struct { +#define HB_FONT_FUNC_IMPLEMENT(name) void *name; + HB_FONT_FUNCS_IMPLEMENT_CALLBACKS +#undef HB_FONT_FUNC_IMPLEMENT + } user_data; + + struct { +#define HB_FONT_FUNC_IMPLEMENT(name) hb_destroy_func_t name; + HB_FONT_FUNCS_IMPLEMENT_CALLBACKS +#undef HB_FONT_FUNC_IMPLEMENT + } destroy; +}; + + + +/* + * hb_font_t + */ + +struct hb_font_t { + hb_object_header_t header; + ASSERT_POD (); + + hb_bool_t immutable; + + hb_font_t *parent; + hb_face_t *face; + + int x_scale; + int y_scale; + + unsigned int x_ppem; + unsigned int y_ppem; + + hb_font_funcs_t *klass; + void *user_data; + hb_destroy_func_t destroy; + + struct hb_shaper_data_t shaper_data; + + + /* Convert from font-space to user-space */ + inline hb_position_t em_scale_x (int16_t v) { return em_scale (v, this->x_scale); } + inline hb_position_t em_scale_y (int16_t v) { return em_scale (v, this->y_scale); } + + /* Convert from parent-font user-space to our user-space */ + inline hb_position_t parent_scale_x_distance (hb_position_t v) { + if (unlikely (parent && parent->x_scale != x_scale)) + return (hb_position_t) (v * (int64_t) this->x_scale / this->parent->x_scale); + return v; + } + inline hb_position_t parent_scale_y_distance (hb_position_t v) { + if (unlikely (parent && parent->y_scale != y_scale)) + return (hb_position_t) (v * (int64_t) this->y_scale / this->parent->y_scale); + return v; + } + inline hb_position_t parent_scale_x_position (hb_position_t v) { + return parent_scale_x_distance (v); + } + inline hb_position_t parent_scale_y_position (hb_position_t v) { + return parent_scale_y_distance (v); + } + + inline void parent_scale_distance (hb_position_t *x, hb_position_t *y) { + *x = parent_scale_x_distance (*x); + *y = parent_scale_y_distance (*y); + } + inline void parent_scale_position (hb_position_t *x, hb_position_t *y) { + *x = parent_scale_x_position (*x); + *y = parent_scale_y_position (*y); + } + + + /* Public getters */ + + inline hb_bool_t has_glyph (hb_codepoint_t unicode) + { + hb_codepoint_t glyph; + return get_glyph (unicode, 0, &glyph); + } + + inline hb_bool_t get_glyph (hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph) + { + *glyph = 0; + return klass->get.glyph (this, user_data, + unicode, variation_selector, glyph, + klass->user_data.glyph); + } + + inline hb_position_t get_glyph_h_advance (hb_codepoint_t glyph) + { + return klass->get.glyph_h_advance (this, user_data, + glyph, + klass->user_data.glyph_h_advance); + } + + inline hb_position_t get_glyph_v_advance (hb_codepoint_t glyph) + { + return klass->get.glyph_v_advance (this, user_data, + glyph, + klass->user_data.glyph_v_advance); + } + + inline hb_bool_t get_glyph_h_origin (hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y) + { + *x = *y = 0; + return klass->get.glyph_h_origin (this, user_data, + glyph, x, y, + klass->user_data.glyph_h_origin); + } + + inline hb_bool_t get_glyph_v_origin (hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y) + { + *x = *y = 0; + return klass->get.glyph_v_origin (this, user_data, + glyph, x, y, + klass->user_data.glyph_v_origin); + } + + inline hb_position_t get_glyph_h_kerning (hb_codepoint_t left_glyph, hb_codepoint_t right_glyph) + { + return klass->get.glyph_h_kerning (this, user_data, + left_glyph, right_glyph, + klass->user_data.glyph_h_kerning); + } + + inline hb_position_t get_glyph_v_kerning (hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph) + { + return klass->get.glyph_v_kerning (this, user_data, + top_glyph, bottom_glyph, + klass->user_data.glyph_v_kerning); + } + + inline hb_bool_t get_glyph_extents (hb_codepoint_t glyph, + hb_glyph_extents_t *extents) + { + memset (extents, 0, sizeof (*extents)); + return klass->get.glyph_extents (this, user_data, + glyph, + extents, + klass->user_data.glyph_extents); + } + + inline hb_bool_t get_glyph_contour_point (hb_codepoint_t glyph, unsigned int point_index, + hb_position_t *x, hb_position_t *y) + { + *x = *y = 0; + return klass->get.glyph_contour_point (this, user_data, + glyph, point_index, + x, y, + klass->user_data.glyph_contour_point); + } + + inline hb_bool_t get_glyph_name (hb_codepoint_t glyph, + char *name, unsigned int size) + { + if (size) *name = '\0'; + return klass->get.glyph_name (this, user_data, + glyph, + name, size, + klass->user_data.glyph_name); + } + + inline hb_bool_t get_glyph_from_name (const char *name, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph) + { + *glyph = 0; + if (len == -1) len = strlen (name); + return klass->get.glyph_from_name (this, user_data, + name, len, + glyph, + klass->user_data.glyph_from_name); + } + + + /* A bit higher-level, and with fallback */ + + inline void get_glyph_advance_for_direction (hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) + { + if (likely (HB_DIRECTION_IS_HORIZONTAL (direction))) { + *x = get_glyph_h_advance (glyph); + *y = 0; + } else { + *x = 0; + *y = get_glyph_v_advance (glyph); + } + } + + /* Internal only */ + inline void guess_v_origin_minus_h_origin (hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y) + { + *x = get_glyph_h_advance (glyph) / 2; + + /* TODO use font_metrics.ascent */ + *y = y_scale; + } + + inline void get_glyph_origin_for_direction (hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) + { + if (likely (HB_DIRECTION_IS_HORIZONTAL (direction))) + { + if (!get_glyph_h_origin (glyph, x, y) && + get_glyph_v_origin (glyph, x, y)) + { + hb_position_t dx, dy; + guess_v_origin_minus_h_origin (glyph, &dx, &dy); + *x -= dx; *y -= dy; + } + } + else + { + if (!get_glyph_v_origin (glyph, x, y) && + get_glyph_h_origin (glyph, x, y)) + { + hb_position_t dx, dy; + guess_v_origin_minus_h_origin (glyph, &dx, &dy); + *x += dx; *y += dy; + } + } + } + + inline void add_glyph_origin_for_direction (hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) + { + hb_position_t origin_x, origin_y; + + get_glyph_origin_for_direction (glyph, direction, &origin_x, &origin_y); + + *x += origin_x; + *y += origin_y; + } + + inline void subtract_glyph_origin_for_direction (hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) + { + hb_position_t origin_x, origin_y; + + get_glyph_origin_for_direction (glyph, direction, &origin_x, &origin_y); + + *x -= origin_x; + *y -= origin_y; + } + + inline void get_glyph_kerning_for_direction (hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) + { + if (likely (HB_DIRECTION_IS_HORIZONTAL (direction))) { + *x = get_glyph_h_kerning (first_glyph, second_glyph); + *y = 0; + } else { + *x = 0; + *y = get_glyph_v_kerning (first_glyph, second_glyph); + } + } + + inline hb_bool_t get_glyph_extents_for_origin (hb_codepoint_t glyph, + hb_direction_t direction, + hb_glyph_extents_t *extents) + { + hb_bool_t ret = get_glyph_extents (glyph, extents); + + if (ret) + subtract_glyph_origin_for_direction (glyph, direction, &extents->x_bearing, &extents->y_bearing); + + return ret; + } + + inline hb_bool_t get_glyph_contour_point_for_origin (hb_codepoint_t glyph, unsigned int point_index, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) + { + hb_bool_t ret = get_glyph_contour_point (glyph, point_index, x, y); + + if (ret) + subtract_glyph_origin_for_direction (glyph, direction, x, y); + + return ret; + } + + /* Generates gidDDD if glyph has no name. */ + inline void + glyph_to_string (hb_codepoint_t glyph, + char *s, unsigned int size) + { + if (get_glyph_name (glyph, s, size)) return; + + if (size && snprintf (s, size, "gid%u", glyph) < 0) + *s = '\0'; + } + + /* Parses gidDDD and uniUUUU strings automatically. */ + inline hb_bool_t + glyph_from_string (const char *s, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph) + { + if (get_glyph_from_name (s, len, glyph)) return true; + + if (len == -1) len = strlen (s); + + /* Straight glyph index. */ + if (hb_codepoint_parse (s, len, 10, glyph)) + return true; + + if (len > 3) + { + /* gidDDD syntax for glyph indices. */ + if (0 == strncmp (s, "gid", 3) && + hb_codepoint_parse (s + 3, len - 3, 10, glyph)) + return true; + + /* uniUUUU and other Unicode character indices. */ + hb_codepoint_t unichar; + if (0 == strncmp (s, "uni", 3) && + hb_codepoint_parse (s + 3, len - 3, 16, &unichar) && + get_glyph (unichar, 0, glyph)) + return true; + } + + return false; + } + + private: + inline hb_position_t em_scale (int16_t v, int scale) { return (hb_position_t) (v * (int64_t) scale / face->get_upem ()); } +}; + +#define HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_PROTOTYPE(shaper, font); +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT +#undef HB_SHAPER_DATA_CREATE_FUNC_EXTRA_ARGS + + +#endif /* HB_FONT_PRIVATE_HH */
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-font.cc Mon Nov 23 09:58:44 2015 -0800 @@ -0,0 +1,1266 @@ +/* + * Copyright © 2009 Red Hat, Inc. + * Copyright © 2012 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#include "hb-private.hh" + +#include "hb-ot-layout-private.hh" + +#include "hb-font-private.hh" +#include "hb-open-file-private.hh" +#include "hb-ot-head-table.hh" +#include "hb-ot-maxp-table.hh" + +#include "hb-cache-private.hh" + +#include <string.h> + + +/* + * hb_font_funcs_t + */ + +static hb_bool_t +hb_font_get_glyph_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t unicode, + hb_codepoint_t variation_selector, + hb_codepoint_t *glyph, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent->get_glyph (unicode, variation_selector, glyph); + + *glyph = 0; + return false; +} + +static hb_position_t +hb_font_get_glyph_h_advance_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent_scale_x_distance (font->parent->get_glyph_h_advance (glyph)); + + return font->x_scale; +} + +static hb_position_t +hb_font_get_glyph_v_advance_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent_scale_y_distance (font->parent->get_glyph_v_advance (glyph)); + + return font->y_scale; +} + +static hb_bool_t +hb_font_get_glyph_h_origin_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + hb_position_t *x, + hb_position_t *y, + void *user_data HB_UNUSED) +{ + if (font->parent) { + hb_bool_t ret = font->parent->get_glyph_h_origin (glyph, x, y); + if (ret) + font->parent_scale_position (x, y); + return ret; + } + + *x = *y = 0; + return false; +} + +static hb_bool_t +hb_font_get_glyph_v_origin_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + hb_position_t *x, + hb_position_t *y, + void *user_data HB_UNUSED) +{ + if (font->parent) { + hb_bool_t ret = font->parent->get_glyph_v_origin (glyph, x, y); + if (ret) + font->parent_scale_position (x, y); + return ret; + } + + *x = *y = 0; + return false; +} + +static hb_position_t +hb_font_get_glyph_h_kerning_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t left_glyph, + hb_codepoint_t right_glyph, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent_scale_x_distance (font->parent->get_glyph_h_kerning (left_glyph, right_glyph)); + + return 0; +} + +static hb_position_t +hb_font_get_glyph_v_kerning_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t top_glyph, + hb_codepoint_t bottom_glyph, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent_scale_y_distance (font->parent->get_glyph_v_kerning (top_glyph, bottom_glyph)); + + return 0; +} + +static hb_bool_t +hb_font_get_glyph_extents_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + hb_glyph_extents_t *extents, + void *user_data HB_UNUSED) +{ + if (font->parent) { + hb_bool_t ret = font->parent->get_glyph_extents (glyph, extents); + if (ret) { + font->parent_scale_position (&extents->x_bearing, &extents->y_bearing); + font->parent_scale_distance (&extents->width, &extents->height); + } + return ret; + } + + memset (extents, 0, sizeof (*extents)); + return false; +} + +static hb_bool_t +hb_font_get_glyph_contour_point_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + unsigned int point_index, + hb_position_t *x, + hb_position_t *y, + void *user_data HB_UNUSED) +{ + if (font->parent) { + hb_bool_t ret = font->parent->get_glyph_contour_point (glyph, point_index, x, y); + if (ret) + font->parent_scale_position (x, y); + return ret; + } + + *x = *y = 0; + return false; +} + +static hb_bool_t +hb_font_get_glyph_name_nil (hb_font_t *font, + void *font_data HB_UNUSED, + hb_codepoint_t glyph, + char *name, unsigned int size, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent->get_glyph_name (glyph, name, size); + + if (size) *name = '\0'; + return false; +} + +static hb_bool_t +hb_font_get_glyph_from_name_nil (hb_font_t *font, + void *font_data HB_UNUSED, + const char *name, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph, + void *user_data HB_UNUSED) +{ + if (font->parent) + return font->parent->get_glyph_from_name (name, len, glyph); + + *glyph = 0; + return false; +} + + +static const hb_font_funcs_t _hb_font_funcs_nil = { + HB_OBJECT_HEADER_STATIC, + + true, /* immutable */ + + { +#define HB_FONT_FUNC_IMPLEMENT(name) hb_font_get_##name##_nil, + HB_FONT_FUNCS_IMPLEMENT_CALLBACKS +#undef HB_FONT_FUNC_IMPLEMENT + } +}; + + +/** + * hb_font_funcs_create: (Xconstructor) + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_font_funcs_t * +hb_font_funcs_create (void) +{ + hb_font_funcs_t *ffuncs; + + if (!(ffuncs = hb_object_create<hb_font_funcs_t> ())) + return hb_font_funcs_get_empty (); + + ffuncs->get = _hb_font_funcs_nil.get; + + return ffuncs; +} + +/** + * hb_font_funcs_get_empty: + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_font_funcs_t * +hb_font_funcs_get_empty (void) +{ + return const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil); +} + +/** + * hb_font_funcs_reference: (skip) + * @ffuncs: font functions. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_font_funcs_t * +hb_font_funcs_reference (hb_font_funcs_t *ffuncs) +{ + return hb_object_reference (ffuncs); +} + +/** + * hb_font_funcs_destroy: (skip) + * @ffuncs: font functions. + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_destroy (hb_font_funcs_t *ffuncs) +{ + if (!hb_object_destroy (ffuncs)) return; + +#define HB_FONT_FUNC_IMPLEMENT(name) if (ffuncs->destroy.name) \ + ffuncs->destroy.name (ffuncs->user_data.name); + HB_FONT_FUNCS_IMPLEMENT_CALLBACKS +#undef HB_FONT_FUNC_IMPLEMENT + + free (ffuncs); +} + +/** + * hb_font_funcs_set_user_data: (skip) + * @ffuncs: font functions. + * @key: + * @data: + * @destroy: + * @replace: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_funcs_set_user_data (hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace) +{ + return hb_object_set_user_data (ffuncs, key, data, destroy, replace); +} + +/** + * hb_font_funcs_get_user_data: (skip) + * @ffuncs: font functions. + * @key: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +void * +hb_font_funcs_get_user_data (hb_font_funcs_t *ffuncs, + hb_user_data_key_t *key) +{ + return hb_object_get_user_data (ffuncs, key); +} + + +/** + * hb_font_funcs_make_immutable: + * @ffuncs: font functions. + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_funcs_make_immutable (hb_font_funcs_t *ffuncs) +{ + if (unlikely (hb_object_is_inert (ffuncs))) + return; + + ffuncs->immutable = true; +} + +/** + * hb_font_funcs_is_immutable: + * @ffuncs: font functions. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_funcs_is_immutable (hb_font_funcs_t *ffuncs) +{ + return ffuncs->immutable; +} + + +#define HB_FONT_FUNC_IMPLEMENT(name) \ + \ +void \ +hb_font_funcs_set_##name##_func (hb_font_funcs_t *ffuncs, \ + hb_font_get_##name##_func_t func, \ + void *user_data, \ + hb_destroy_func_t destroy) \ +{ \ + if (ffuncs->immutable) { \ + if (destroy) \ + destroy (user_data); \ + return; \ + } \ + \ + if (ffuncs->destroy.name) \ + ffuncs->destroy.name (ffuncs->user_data.name); \ + \ + if (func) { \ + ffuncs->get.name = func; \ + ffuncs->user_data.name = user_data; \ + ffuncs->destroy.name = destroy; \ + } else { \ + ffuncs->get.name = hb_font_get_##name##_nil; \ + ffuncs->user_data.name = NULL; \ + ffuncs->destroy.name = NULL; \ + } \ +} + +HB_FONT_FUNCS_IMPLEMENT_CALLBACKS +#undef HB_FONT_FUNC_IMPLEMENT + + +/* Public getters */ + +/** + * hb_font_get_glyph: + * @font: a font. + * @unicode: + * @variation_selector: + * @glyph: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph (hb_font_t *font, + hb_codepoint_t unicode, hb_codepoint_t variation_selector, + hb_codepoint_t *glyph) +{ + return font->get_glyph (unicode, variation_selector, glyph); +} + +/** + * hb_font_get_glyph_h_advance: + * @font: a font. + * @glyph: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_position_t +hb_font_get_glyph_h_advance (hb_font_t *font, + hb_codepoint_t glyph) +{ + return font->get_glyph_h_advance (glyph); +} + +/** + * hb_font_get_glyph_v_advance: + * @font: a font. + * @glyph: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_position_t +hb_font_get_glyph_v_advance (hb_font_t *font, + hb_codepoint_t glyph) +{ + return font->get_glyph_v_advance (glyph); +} + +/** + * hb_font_get_glyph_h_origin: + * @font: a font. + * @glyph: + * @x: (out): + * @y: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_h_origin (hb_font_t *font, + hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_h_origin (glyph, x, y); +} + +/** + * hb_font_get_glyph_v_origin: + * @font: a font. + * @glyph: + * @x: (out): + * @y: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_v_origin (hb_font_t *font, + hb_codepoint_t glyph, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_v_origin (glyph, x, y); +} + +/** + * hb_font_get_glyph_h_kerning: + * @font: a font. + * @left_glyph: + * @right_glyph: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_position_t +hb_font_get_glyph_h_kerning (hb_font_t *font, + hb_codepoint_t left_glyph, hb_codepoint_t right_glyph) +{ + return font->get_glyph_h_kerning (left_glyph, right_glyph); +} + +/** + * hb_font_get_glyph_v_kerning: + * @font: a font. + * @top_glyph: + * @bottom_glyph: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_position_t +hb_font_get_glyph_v_kerning (hb_font_t *font, + hb_codepoint_t top_glyph, hb_codepoint_t bottom_glyph) +{ + return font->get_glyph_v_kerning (top_glyph, bottom_glyph); +} + +/** + * hb_font_get_glyph_extents: + * @font: a font. + * @glyph: + * @extents: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_extents (hb_font_t *font, + hb_codepoint_t glyph, + hb_glyph_extents_t *extents) +{ + return font->get_glyph_extents (glyph, extents); +} + +/** + * hb_font_get_glyph_contour_point: + * @font: a font. + * @glyph: + * @point_index: + * @x: (out): + * @y: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_contour_point (hb_font_t *font, + hb_codepoint_t glyph, unsigned int point_index, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_contour_point (glyph, point_index, x, y); +} + +/** + * hb_font_get_glyph_name: + * @font: a font. + * @glyph: + * @name: (array length=size): + * @size: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_name (hb_font_t *font, + hb_codepoint_t glyph, + char *name, unsigned int size) +{ + return font->get_glyph_name (glyph, name, size); +} + +/** + * hb_font_get_glyph_from_name: + * @font: a font. + * @name: (array length=len): + * @len: + * @glyph: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_from_name (hb_font_t *font, + const char *name, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph) +{ + return font->get_glyph_from_name (name, len, glyph); +} + + +/* A bit higher-level, and with fallback */ + +/** + * hb_font_get_glyph_advance_for_direction: + * @font: a font. + * @glyph: + * @direction: + * @x: (out): + * @y: (out): + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_get_glyph_advance_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_advance_for_direction (glyph, direction, x, y); +} + +/** + * hb_font_get_glyph_origin_for_direction: + * @font: a font. + * @glyph: + * @direction: + * @x: (out): + * @y: (out): + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_get_glyph_origin_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_origin_for_direction (glyph, direction, x, y); +} + +/** + * hb_font_add_glyph_origin_for_direction: + * @font: a font. + * @glyph: + * @direction: + * @x: (out): + * @y: (out): + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_add_glyph_origin_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) +{ + return font->add_glyph_origin_for_direction (glyph, direction, x, y); +} + +/** + * hb_font_subtract_glyph_origin_for_direction: + * @font: a font. + * @glyph: + * @direction: + * @x: (out): + * @y: (out): + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_subtract_glyph_origin_for_direction (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) +{ + return font->subtract_glyph_origin_for_direction (glyph, direction, x, y); +} + +/** + * hb_font_get_glyph_kerning_for_direction: + * @font: a font. + * @first_glyph: + * @second_glyph: + * @direction: + * @x: (out): + * @y: (out): + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_get_glyph_kerning_for_direction (hb_font_t *font, + hb_codepoint_t first_glyph, hb_codepoint_t second_glyph, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_kerning_for_direction (first_glyph, second_glyph, direction, x, y); +} + +/** + * hb_font_get_glyph_extents_for_origin: + * @font: a font. + * @glyph: + * @direction: + * @extents: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_extents_for_origin (hb_font_t *font, + hb_codepoint_t glyph, + hb_direction_t direction, + hb_glyph_extents_t *extents) +{ + return font->get_glyph_extents_for_origin (glyph, direction, extents); +} + +/** + * hb_font_get_glyph_contour_point_for_origin: + * @font: a font. + * @glyph: + * @point_index: + * @direction: + * @x: (out): + * @y: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_get_glyph_contour_point_for_origin (hb_font_t *font, + hb_codepoint_t glyph, unsigned int point_index, + hb_direction_t direction, + hb_position_t *x, hb_position_t *y) +{ + return font->get_glyph_contour_point_for_origin (glyph, point_index, direction, x, y); +} + +/* Generates gidDDD if glyph has no name. */ +/** + * hb_font_glyph_to_string: + * @font: a font. + * @glyph: + * @s: (array length=size): + * @size: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_glyph_to_string (hb_font_t *font, + hb_codepoint_t glyph, + char *s, unsigned int size) +{ + font->glyph_to_string (glyph, s, size); +} + +/* Parses gidDDD and uniUUUU strings automatically. */ +/** + * hb_font_glyph_from_string: + * @font: a font. + * @s: (array length=len) (element-type uint8_t): + * @len: + * @glyph: (out): + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_glyph_from_string (hb_font_t *font, + const char *s, int len, /* -1 means nul-terminated */ + hb_codepoint_t *glyph) +{ + return font->glyph_from_string (s, len, glyph); +} + + +/* + * hb_font_t + */ + +/** + * hb_font_create: (Xconstructor) + * @face: a face. + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_font_t * +hb_font_create (hb_face_t *face) +{ + hb_font_t *font; + + if (unlikely (!face)) + face = hb_face_get_empty (); + if (!(font = hb_object_create<hb_font_t> ())) + return hb_font_get_empty (); + + hb_face_make_immutable (face); + font->face = hb_face_reference (face); + font->klass = hb_font_funcs_get_empty (); + + font->x_scale = font->y_scale = hb_face_get_upem (face); + + return font; +} + +/** + * hb_font_create_sub_font: + * @parent: parent font. + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_font_t * +hb_font_create_sub_font (hb_font_t *parent) +{ + if (unlikely (!parent)) + parent = hb_font_get_empty (); + + hb_font_t *font = hb_font_create (parent->face); + + if (unlikely (hb_object_is_inert (font))) + return font; + + font->parent = hb_font_reference (parent); + + font->x_scale = parent->x_scale; + font->y_scale = parent->y_scale; + font->x_ppem = parent->x_ppem; + font->y_ppem = parent->y_ppem; + + return font; +} + +/** + * hb_font_get_empty: + * + * + * + * Return value: (transfer full) + * + * Since: 0.9.2 + **/ +hb_font_t * +hb_font_get_empty (void) +{ + static const hb_font_t _hb_font_nil = { + HB_OBJECT_HEADER_STATIC, + + true, /* immutable */ + + NULL, /* parent */ + const_cast<hb_face_t *> (&_hb_face_nil), + + 0, /* x_scale */ + 0, /* y_scale */ + + 0, /* x_ppem */ + 0, /* y_ppem */ + + const_cast<hb_font_funcs_t *> (&_hb_font_funcs_nil), /* klass */ + NULL, /* user_data */ + NULL, /* destroy */ + + { +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_INVALID, +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT + } + }; + + return const_cast<hb_font_t *> (&_hb_font_nil); +} + +/** + * hb_font_reference: (skip) + * @font: a font. + * + * + * + * Return value: (transfer full): + * + * Since: 0.9.2 + **/ +hb_font_t * +hb_font_reference (hb_font_t *font) +{ + return hb_object_reference (font); +} + +/** + * hb_font_destroy: (skip) + * @font: a font. + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_destroy (hb_font_t *font) +{ + if (!hb_object_destroy (font)) return; + +#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_DESTROY(shaper, font); +#include "hb-shaper-list.hh" +#undef HB_SHAPER_IMPLEMENT + + if (font->destroy) + font->destroy (font->user_data); + + hb_font_destroy (font->parent); + hb_face_destroy (font->face); + hb_font_funcs_destroy (font->klass); + + free (font); +} + +/** + * hb_font_set_user_data: (skip) + * @font: a font. + * @key: + * @data: + * @destroy: + * @replace: + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_set_user_data (hb_font_t *font, + hb_user_data_key_t *key, + void * data, + hb_destroy_func_t destroy, + hb_bool_t replace) +{ + return hb_object_set_user_data (font, key, data, destroy, replace); +} + +/** + * hb_font_get_user_data: (skip) + * @font: a font. + * @key: + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +void * +hb_font_get_user_data (hb_font_t *font, + hb_user_data_key_t *key) +{ + return hb_object_get_user_data (font, key); +} + +/** + * hb_font_make_immutable: + * @font: a font. + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_make_immutable (hb_font_t *font) +{ + if (unlikely (hb_object_is_inert (font))) + return; + + if (font->parent) + hb_font_make_immutable (font->parent); + + font->immutable = true; +} + +/** + * hb_font_is_immutable: + * @font: a font. + * + * + * + * Return value: + * + * Since: 0.9.2 + **/ +hb_bool_t +hb_font_is_immutable (hb_font_t *font) +{ + return font->immutable; +} + +/** + * hb_font_set_parent: + * @font: a font. + * @parent: new parent. + * + * Sets parent font of @font. + * + * Since: 1.0.5 + **/ +void +hb_font_set_parent (hb_font_t *font, + hb_font_t *parent) +{ + if (font->immutable) + return; + + if (!parent) + parent = hb_font_get_empty (); + + hb_font_t *old = font->parent; + + font->parent = hb_font_reference (parent); + + hb_font_destroy (old); +} + +/** + * hb_font_get_parent: + * @font: a font. + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +hb_font_t * +hb_font_get_parent (hb_font_t *font) +{ + return font->parent; +} + +/** + * hb_font_get_face: + * @font: a font. + * + * + * + * Return value: (transfer none): + * + * Since: 0.9.2 + **/ +hb_face_t * +hb_font_get_face (hb_font_t *font) +{ + return font->face; +} + + +/** + * hb_font_set_funcs: + * @font: a font. + * @klass: (closure font_data) (destroy destroy) (scope notified): + * @font_data: + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_set_funcs (hb_font_t *font, + hb_font_funcs_t *klass, + void *font_data, + hb_destroy_func_t destroy) +{ + if (font->immutable) { + if (destroy) + destroy (font_data); + return; + } + + if (font->destroy) + font->destroy (font->user_data); + + if (!klass) + klass = hb_font_funcs_get_empty (); + + hb_font_funcs_reference (klass); + hb_font_funcs_destroy (font->klass); + font->klass = klass; + font->user_data = font_data; + font->destroy = destroy; +} + +/** + * hb_font_set_funcs_data: + * @font: a font. + * @font_data: (destroy destroy) (scope notified): + * @destroy: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_set_funcs_data (hb_font_t *font, + void *font_data, + hb_destroy_func_t destroy) +{ + /* Destroy user_data? */ + if (font->immutable) { + if (destroy) + destroy (font_data); + return; + } + + if (font->destroy) + font->destroy (font->user_data); + + font->user_data = font_data; + font->destroy = destroy; +} + + +/** + * hb_font_set_scale: + * @font: a font. + * @x_scale: + * @y_scale: + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_set_scale (hb_font_t *font, + int x_scale, + int y_scale) +{ + if (font->immutable) + return; + + font->x_scale = x_scale; + font->y_scale = y_scale; +} + +/** + * hb_font_get_scale: + * @font: a font. + * @x_scale: (out): + * @y_scale: (out): + * + * + * + * Since: 0.9.2 + **/ +void +hb_font_get_scale (hb_font_t *font, + int *x_scale, + int *y_scale) +{ + if (x_scale) *x_scale = font->x_scale; + if (y_scale) *y_scale = font->y_scale; +} + +/** + * hb_font_set_ppem: + * @font: a font. + * @x_ppem: + * @y_ppem: + * + * + * + * Since: 0.9.2 <