author | serb |
Mon, 19 Mar 2018 14:16:23 -0700 | |
changeset 49303 | 440ba068d981 |
parent 47216 | 71c04702a3d5 |
child 50840 | 1db5917dfe1c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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||
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#include "stdlib.h" |
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#include "string.h" |
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#include "gdefs.h" |
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#include "jlong.h" |
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#include "jni_util.h" |
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#include "sunfontids.h" |
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#include "fontscalerdefs.h" |
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#include "sun_font_SunFontManager.h" |
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#include "sun_font_NullFontScaler.h" |
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#include "sun_font_StrikeCache.h" |
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static void *theNullScalerContext = NULL; |
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extern void AccelGlyphCache_RemoveAllCellInfos(GlyphInfo *glyph); |
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/* |
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* Declare library specific JNI_Onload entry if static build |
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*/ |
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DEF_STATIC_JNI_OnLoad |
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JNIEXPORT jlong JNICALL |
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Java_sun_font_NullFontScaler_getNullScalerContext |
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(JNIEnv *env, jclass scalerClass) { |
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if (theNullScalerContext == NULL) { |
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theNullScalerContext = malloc(1); |
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} |
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return ptr_to_jlong(theNullScalerContext); |
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} |
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int isNullScalerContext(void *context) { |
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return theNullScalerContext == context; |
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} |
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/* Eventually we may rework it to be a singleton. |
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* This will require additional checks in freeLongMemory/freeIntMemory |
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* and on other hand malformed fonts (main source of null glyph images) |
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* are supposed to be collected fast. |
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* But perhaps it is still right thing to do. |
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* Even better is to eliminate the need to have this native method |
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* but for this it is necessary to rework Strike and drawing logic |
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* to be able to live with NULL pointers without performance hit. |
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*/ |
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JNIEXPORT jlong JNICALL Java_sun_font_NullFontScaler_getGlyphImage |
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(JNIEnv *env, jobject scaler, jlong pContext, jint glyphCode) { |
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void *nullscaler = calloc(sizeof(GlyphInfo), 1); |
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return ptr_to_jlong(nullscaler); |
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} |
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void initLCDGammaTables(); |
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/* placeholder for extern variable */ |
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static int initialisedFontIDs = 0; |
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FontManagerNativeIDs sunFontIDs; |
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static void initFontIDs(JNIEnv *env) { |
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jclass tmpClass; |
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if (initialisedFontIDs) { |
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return; |
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} |
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/TrueTypeFont")); |
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CHECK_NULL(sunFontIDs.ttReadBlockMID = |
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(*env)->GetMethodID(env, tmpClass, "readBlock", |
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"(Ljava/nio/ByteBuffer;II)I")); |
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CHECK_NULL(sunFontIDs.ttReadBytesMID = |
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(*env)->GetMethodID(env, tmpClass, "readBytes", "(II)[B")); |
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/Type1Font")); |
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CHECK_NULL(sunFontIDs.readFileMID = |
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(*env)->GetMethodID(env, tmpClass, |
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"readFile", "(Ljava/nio/ByteBuffer;)V")); |
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CHECK_NULL(tmpClass = |
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(*env)->FindClass(env, "java/awt/geom/Point2D$Float")); |
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sunFontIDs.pt2DFloatClass = (jclass)(*env)->NewGlobalRef(env, tmpClass); |
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CHECK_NULL(sunFontIDs.pt2DFloatCtr = |
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(*env)->GetMethodID(env, sunFontIDs.pt2DFloatClass, "<init>","(FF)V")); |
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|
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CHECK_NULL(sunFontIDs.xFID = |
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(*env)->GetFieldID(env, sunFontIDs.pt2DFloatClass, "x", "F")); |
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CHECK_NULL(sunFontIDs.yFID = |
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(*env)->GetFieldID(env, sunFontIDs.pt2DFloatClass, "y", "F")); |
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|
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/StrikeMetrics")); |
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CHECK_NULL(sunFontIDs.strikeMetricsClass = |
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(jclass)(*env)->NewGlobalRef(env, tmpClass)); |
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|
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CHECK_NULL(sunFontIDs.strikeMetricsCtr = |
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(*env)->GetMethodID(env, sunFontIDs.strikeMetricsClass, |
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"<init>", "(FFFFFFFFFF)V")); |
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|
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CHECK_NULL(tmpClass = |
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(*env)->FindClass(env, "java/awt/geom/Rectangle2D$Float")); |
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sunFontIDs.rect2DFloatClass = (jclass)(*env)->NewGlobalRef(env, tmpClass); |
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CHECK_NULL(sunFontIDs.rect2DFloatCtr = |
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(*env)->GetMethodID(env, sunFontIDs.rect2DFloatClass, "<init>", "()V")); |
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CHECK_NULL(sunFontIDs.rect2DFloatCtr4 = |
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(*env)->GetMethodID(env, sunFontIDs.rect2DFloatClass, |
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"<init>", "(FFFF)V")); |
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CHECK_NULL(sunFontIDs.rectF2DX = |
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "x", "F")); |
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CHECK_NULL(sunFontIDs.rectF2DY = |
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "y", "F")); |
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CHECK_NULL(sunFontIDs.rectF2DWidth = |
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "width", "F")); |
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CHECK_NULL(sunFontIDs.rectF2DHeight = |
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "height", "F")); |
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|
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "java/awt/geom/GeneralPath")); |
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sunFontIDs.gpClass = (jclass)(*env)->NewGlobalRef(env, tmpClass); |
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CHECK_NULL(sunFontIDs.gpCtr = |
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(*env)->GetMethodID(env, sunFontIDs.gpClass, "<init>", "(I[BI[FI)V")); |
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CHECK_NULL(sunFontIDs.gpCtrEmpty = |
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(*env)->GetMethodID(env, sunFontIDs.gpClass, "<init>", "()V")); |
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|
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/Font2D")); |
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CHECK_NULL(sunFontIDs.f2dCharToGlyphMID = |
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(*env)->GetMethodID(env, tmpClass, "charToGlyph", "(I)I")); |
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CHECK_NULL(sunFontIDs.getMapperMID = |
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(*env)->GetMethodID(env, tmpClass, "getMapper", |
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"()Lsun/font/CharToGlyphMapper;")); |
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CHECK_NULL(sunFontIDs.getTableBytesMID = |
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(*env)->GetMethodID(env, tmpClass, "getTableBytes", "(I)[B")); |
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CHECK_NULL(sunFontIDs.canDisplayMID = |
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(*env)->GetMethodID(env, tmpClass, "canDisplay", "(C)Z")); |
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/CharToGlyphMapper")); |
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CHECK_NULL(sunFontIDs.charToGlyphMID = |
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(*env)->GetMethodID(env, tmpClass, "charToGlyph", "(I)I")); |
2 | 158 |
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159 |
CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/PhysicalStrike")); |
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CHECK_NULL(sunFontIDs.getGlyphMetricsMID = |
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(*env)->GetMethodID(env, tmpClass, "getGlyphMetrics", |
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"(I)Ljava/awt/geom/Point2D$Float;")); |
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CHECK_NULL(sunFontIDs.getGlyphPointMID = |
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(*env)->GetMethodID(env, tmpClass, "getGlyphPoint", |
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"(II)Ljava/awt/geom/Point2D$Float;")); |
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CHECK_NULL(sunFontIDs.adjustPointMID = |
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(*env)->GetMethodID(env, tmpClass, "adjustPoint", |
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"(Ljava/awt/geom/Point2D$Float;)V")); |
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CHECK_NULL(sunFontIDs.pScalerContextFID = |
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(*env)->GetFieldID(env, tmpClass, "pScalerContext", "J")); |
2 | 171 |
|
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CHECK_NULL(tmpClass = (*env)->FindClass(env, "sun/font/GlyphList")); |
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CHECK_NULL(sunFontIDs.glyphListX = |
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(*env)->GetFieldID(env, tmpClass, "x", "F")); |
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CHECK_NULL(sunFontIDs.glyphListY = |
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(*env)->GetFieldID(env, tmpClass, "y", "F")); |
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CHECK_NULL(sunFontIDs.glyphListLen = |
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(*env)->GetFieldID(env, tmpClass, "len", "I")); |
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CHECK_NULL(sunFontIDs.glyphImages = |
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(*env)->GetFieldID(env, tmpClass, "images", "[J")); |
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CHECK_NULL(sunFontIDs.glyphListUsePos = |
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(*env)->GetFieldID(env, tmpClass, "usePositions", "Z")); |
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CHECK_NULL(sunFontIDs.glyphListPos = |
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184 |
(*env)->GetFieldID(env, tmpClass, "positions", "[F")); |
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CHECK_NULL(sunFontIDs.lcdRGBOrder = |
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186 |
(*env)->GetFieldID(env, tmpClass, "lcdRGBOrder", "Z")); |
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CHECK_NULL(sunFontIDs.lcdSubPixPos = |
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(*env)->GetFieldID(env, tmpClass, "lcdSubPixPos", "Z")); |
2 | 189 |
|
190 |
initLCDGammaTables(); |
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191 |
|
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initialisedFontIDs = 1; |
2 | 193 |
} |
194 |
||
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195 |
JNIEXPORT void JNICALL |
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196 |
Java_sun_font_SunFontManager_initIDs |
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197 |
(JNIEnv *env, jclass cls) { |
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198 |
|
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199 |
initFontIDs(env); |
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200 |
} |
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201 |
|
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202 |
JNIEXPORT FontManagerNativeIDs getSunFontIDs(JNIEnv *env) { |
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203 |
|
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204 |
initFontIDs(env); |
2 | 205 |
return sunFontIDs; |
206 |
} |
|
207 |
||
208 |
/* |
|
209 |
* Class: sun_font_StrikeCache |
|
210 |
* Method: freeIntPointer |
|
211 |
* Signature: (I)V |
|
212 |
*/ |
|
213 |
JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeIntPointer |
|
214 |
(JNIEnv *env, jclass cacheClass, jint ptr) { |
|
215 |
||
216 |
/* Note this is used for freeing a glyph which was allocated |
|
217 |
* but never placed into the glyph cache. The caller holds the |
|
218 |
* only reference, therefore it is unnecessary to invalidate any |
|
219 |
* accelerated glyph cache cells as we do in freeInt/LongMemory(). |
|
220 |
*/ |
|
221 |
if (ptr != 0) { |
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free((void*)((intptr_t)ptr)); |
2 | 223 |
} |
224 |
} |
|
225 |
||
226 |
/* |
|
227 |
* Class: sun_font_StrikeCache |
|
228 |
* Method: freeLongPointer |
|
229 |
* Signature: (J)V |
|
230 |
*/ |
|
231 |
JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeLongPointer |
|
232 |
(JNIEnv *env, jclass cacheClass, jlong ptr) { |
|
233 |
||
234 |
/* Note this is used for freeing a glyph which was allocated |
|
235 |
* but never placed into the glyph cache. The caller holds the |
|
236 |
* only reference, therefore it is unnecessary to invalidate any |
|
237 |
* accelerated glyph cache cells as we do in freeInt/LongMemory(). |
|
238 |
*/ |
|
239 |
if (ptr != 0L) { |
|
240 |
free(jlong_to_ptr(ptr)); |
|
241 |
} |
|
242 |
} |
|
243 |
||
244 |
/* |
|
245 |
* Class: sun_font_StrikeCache |
|
246 |
* Method: freeIntMemory |
|
247 |
* Signature: ([I)V |
|
248 |
*/ |
|
249 |
JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeIntMemory |
|
250 |
(JNIEnv *env, jclass cacheClass, jintArray jmemArray, jlong pContext) { |
|
251 |
||
252 |
int len = (*env)->GetArrayLength(env, jmemArray); |
|
253 |
jint* ptrs = |
|
254 |
(jint*)(*env)->GetPrimitiveArrayCritical(env, jmemArray, NULL); |
|
255 |
int i; |
|
256 |
||
257 |
if (ptrs) { |
|
258 |
for (i=0; i< len; i++) { |
|
259 |
if (ptrs[i] != 0) { |
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GlyphInfo *ginfo = (GlyphInfo *)((intptr_t)ptrs[i]); |
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if (ginfo->cellInfo != NULL && |
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ginfo->managed == MANAGED_GLYPH) { |
2 | 263 |
// invalidate this glyph's accelerated cache cell |
887 | 264 |
AccelGlyphCache_RemoveAllCellInfos(ginfo); |
2 | 265 |
} |
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266 |
free(ginfo); |
2 | 267 |
} |
268 |
} |
|
269 |
(*env)->ReleasePrimitiveArrayCritical(env, jmemArray, ptrs, JNI_ABORT); |
|
270 |
} |
|
271 |
if (!isNullScalerContext(jlong_to_ptr(pContext))) { |
|
272 |
free(jlong_to_ptr(pContext)); |
|
273 |
} |
|
274 |
} |
|
275 |
||
276 |
/* |
|
277 |
* Class: sun_font_StrikeCache |
|
278 |
* Method: freeLongMemory |
|
279 |
* Signature: ([J)V |
|
280 |
*/ |
|
281 |
JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeLongMemory |
|
282 |
(JNIEnv *env, jclass cacheClass, jlongArray jmemArray, jlong pContext) { |
|
283 |
||
284 |
int len = (*env)->GetArrayLength(env, jmemArray); |
|
285 |
jlong* ptrs = |
|
286 |
(jlong*)(*env)->GetPrimitiveArrayCritical(env, jmemArray, NULL); |
|
287 |
int i; |
|
288 |
||
289 |
if (ptrs) { |
|
290 |
for (i=0; i< len; i++) { |
|
291 |
if (ptrs[i] != 0L) { |
|
292 |
GlyphInfo *ginfo = (GlyphInfo *) jlong_to_ptr(ptrs[i]); |
|
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293 |
if (ginfo->cellInfo != NULL && |
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294 |
ginfo->managed == MANAGED_GLYPH) { |
887 | 295 |
AccelGlyphCache_RemoveAllCellInfos(ginfo); |
2 | 296 |
} |
297 |
free((void*)ginfo); |
|
298 |
} |
|
299 |
} |
|
300 |
(*env)->ReleasePrimitiveArrayCritical(env, jmemArray, ptrs, JNI_ABORT); |
|
301 |
} |
|
302 |
if (!isNullScalerContext(jlong_to_ptr(pContext))) { |
|
303 |
free(jlong_to_ptr(pContext)); |
|
304 |
} |
|
305 |
} |
|
306 |
||
307 |
JNIEXPORT void JNICALL |
|
308 |
Java_sun_font_StrikeCache_getGlyphCacheDescription |
|
309 |
(JNIEnv *env, jclass cls, jlongArray results) { |
|
310 |
||
311 |
jlong* nresults; |
|
312 |
GlyphInfo *info; |
|
313 |
size_t baseAddr; |
|
314 |
||
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315 |
if ((*env)->GetArrayLength(env, results) < 13) { |
2 | 316 |
return; |
317 |
} |
|
318 |
||
319 |
nresults = (jlong*)(*env)->GetPrimitiveArrayCritical(env, results, NULL); |
|
320 |
if (nresults == NULL) { |
|
321 |
return; |
|
322 |
} |
|
323 |
info = (GlyphInfo*) calloc(1, sizeof(GlyphInfo)); |
|
324 |
if (info == NULL) { |
|
325 |
(*env)->ReleasePrimitiveArrayCritical(env, results, nresults, 0); |
|
326 |
return; |
|
327 |
} |
|
328 |
baseAddr = (size_t)info; |
|
329 |
nresults[0] = sizeof(void*); |
|
330 |
nresults[1] = sizeof(GlyphInfo); |
|
331 |
nresults[2] = 0; |
|
332 |
nresults[3] = (size_t)&(info->advanceY)-baseAddr; |
|
333 |
nresults[4] = (size_t)&(info->width)-baseAddr; |
|
334 |
nresults[5] = (size_t)&(info->height)-baseAddr; |
|
335 |
nresults[6] = (size_t)&(info->rowBytes)-baseAddr; |
|
336 |
nresults[7] = (size_t)&(info->topLeftX)-baseAddr; |
|
337 |
nresults[8] = (size_t)&(info->topLeftY)-baseAddr; |
|
338 |
nresults[9] = (size_t)&(info->image)-baseAddr; |
|
339 |
nresults[10] = (jlong)(uintptr_t)info; /* invisible glyph */ |
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nresults[11] = (size_t)&(info->cellInfo)-baseAddr; |
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nresults[12] = (size_t)&(info->managed)-baseAddr; |
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342 |
|
2 | 343 |
(*env)->ReleasePrimitiveArrayCritical(env, results, nresults, 0); |
344 |
} |
|
345 |
||
346 |
JNIEXPORT TTLayoutTableCache* newLayoutTableCache() { |
|
347 |
TTLayoutTableCache* ltc = calloc(1, sizeof(TTLayoutTableCache)); |
|
348 |
if (ltc) { |
|
16891 | 349 |
int i; |
350 |
for(i=0;i<LAYOUTCACHE_ENTRIES;i++) { |
|
351 |
ltc->entries[i].len = -1; |
|
352 |
} |
|
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353 |
ltc->entries[0].tag = GDEF_TAG; |
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354 |
ltc->entries[1].tag = GPOS_TAG; |
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355 |
ltc->entries[2].tag = GSUB_TAG; |
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ltc->entries[3].tag = HEAD_TAG; |
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ltc->entries[4].tag = KERN_TAG; |
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ltc->entries[5].tag = MORT_TAG; |
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359 |
ltc->entries[6].tag = MORX_TAG; |
2 | 360 |
} |
361 |
return ltc; |
|
362 |
} |
|
363 |
||
364 |
JNIEXPORT void freeLayoutTableCache(TTLayoutTableCache* ltc) { |
|
365 |
if (ltc) { |
|
16891 | 366 |
int i; |
367 |
for(i=0;i<LAYOUTCACHE_ENTRIES;i++) { |
|
368 |
if(ltc->entries[i].ptr) free (ltc->entries[i].ptr); |
|
369 |
} |
|
2 | 370 |
if (ltc->kernPairs) free(ltc->kernPairs); |
371 |
free(ltc); |
|
372 |
} |
|
373 |
} |