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/*
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* Copyright 2007-2008 Sun Microsystems, Inc. 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. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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#include "stdlib.h"
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#include "malloc.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 "sunfontids.h"
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#include "fontscalerdefs.h"
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#include "sun_font_FontManager.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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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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/*
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* Class: sun_font_FontManager
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* Method: getPlatformFontVar
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* Signature: ()Z
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*/
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JNIEXPORT jboolean JNICALL
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Java_sun_font_FontManager_getPlatformFontVar(JNIEnv *env, jclass cl) {
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char *c = getenv("JAVA2D_USEPLATFORMFONT");
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if (c) {
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return JNI_TRUE;
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} else {
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return JNI_FALSE;
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}
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}
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/* placeholder for extern variable */
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FontManagerNativeIDs sunFontIDs;
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JNIEXPORT void JNICALL
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Java_sun_font_FontManager_initIDs
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(JNIEnv *env, jclass cls) {
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jclass tmpClass = (*env)->FindClass(env, "java/awt/Font");
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sunFontIDs.getFont2DMID =
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(*env)->GetMethodID(env, tmpClass, "getFont2D",
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"()Lsun/font/Font2D;");
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sunFontIDs.font2DHandle =
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(*env)->GetFieldID(env, tmpClass,
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"font2DHandle", "Lsun/font/Font2DHandle;");
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sunFontIDs.createdFont =
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(*env)->GetFieldID(env, tmpClass, "createdFont", "Z");
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tmpClass = (*env)->FindClass(env, "sun/font/TrueTypeFont");
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sunFontIDs.ttReadBlockMID =
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(*env)->GetMethodID(env, tmpClass, "readBlock",
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"(Ljava/nio/ByteBuffer;II)I");
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sunFontIDs.ttReadBytesMID =
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(*env)->GetMethodID(env, tmpClass, "readBytes", "(II)[B");
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tmpClass = (*env)->FindClass(env, "sun/font/Type1Font");
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sunFontIDs.readFileMID =
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(*env)->GetMethodID(env, tmpClass,
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"readFile", "(Ljava/nio/ByteBuffer;)V");
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tmpClass = (*env)->FindClass(env, "java/awt/geom/Point2D$Float");
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sunFontIDs.pt2DFloatClass = (jclass)(*env)->NewGlobalRef(env, tmpClass);
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sunFontIDs.pt2DFloatCtr =
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(*env)->GetMethodID(env, sunFontIDs.pt2DFloatClass, "<init>","(FF)V");
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sunFontIDs.xFID =
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(*env)->GetFieldID(env, sunFontIDs.pt2DFloatClass, "x", "F");
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sunFontIDs.yFID =
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(*env)->GetFieldID(env, sunFontIDs.pt2DFloatClass, "y", "F");
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tmpClass = (*env)->FindClass(env, "sun/font/StrikeMetrics");
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sunFontIDs.strikeMetricsClass=(jclass)(*env)->NewGlobalRef(env, tmpClass);
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sunFontIDs.strikeMetricsCtr =
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(*env)->GetMethodID(env, sunFontIDs.strikeMetricsClass,
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"<init>", "(FFFFFFFFFF)V");
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tmpClass = (*env)->FindClass(env, "java/awt/geom/Rectangle2D$Float");
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sunFontIDs.rect2DFloatClass = (jclass)(*env)->NewGlobalRef(env, tmpClass);
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sunFontIDs.rect2DFloatCtr =
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(*env)->GetMethodID(env, sunFontIDs.rect2DFloatClass, "<init>", "()V");
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sunFontIDs.rect2DFloatCtr4 =
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(*env)->GetMethodID(env, sunFontIDs.rect2DFloatClass,
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"<init>", "(FFFF)V");
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sunFontIDs.rectF2DX =
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "x", "F");
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sunFontIDs.rectF2DY =
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "y", "F");
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sunFontIDs.rectF2DWidth =
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "width", "F");
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sunFontIDs.rectF2DHeight =
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(*env)->GetFieldID(env, sunFontIDs.rect2DFloatClass, "height", "F");
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tmpClass = (*env)->FindClass(env, "java/awt/geom/GeneralPath");
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sunFontIDs.gpClass = (jclass)(*env)->NewGlobalRef(env, tmpClass);
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sunFontIDs.gpCtr =
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(*env)->GetMethodID(env, sunFontIDs.gpClass, "<init>", "(I[BI[FI)V");
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sunFontIDs.gpCtrEmpty =
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(*env)->GetMethodID(env, sunFontIDs.gpClass, "<init>", "()V");
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tmpClass = (*env)->FindClass(env, "sun/font/Font2D");
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sunFontIDs.f2dCharToGlyphMID =
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(*env)->GetMethodID(env, tmpClass, "charToGlyph", "(I)I");
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sunFontIDs.getMapperMID =
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(*env)->GetMethodID(env, tmpClass, "getMapper",
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"()Lsun/font/CharToGlyphMapper;");
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sunFontIDs.getTableBytesMID =
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(*env)->GetMethodID(env, tmpClass, "getTableBytes", "(I)[B");
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sunFontIDs.canDisplayMID =
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(*env)->GetMethodID(env, tmpClass, "canDisplay", "(C)Z");
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tmpClass = (*env)->FindClass(env, "sun/font/CharToGlyphMapper");
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sunFontIDs.charToGlyphMID =
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(*env)->GetMethodID(env, tmpClass, "charToGlyph", "(I)I");
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tmpClass = (*env)->FindClass(env, "sun/font/PhysicalStrike");
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sunFontIDs.getGlyphMetricsMID =
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(*env)->GetMethodID(env, tmpClass, "getGlyphMetrics",
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"(I)Ljava/awt/geom/Point2D$Float;");
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sunFontIDs.getGlyphPointMID =
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(*env)->GetMethodID(env, tmpClass, "getGlyphPoint",
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"(II)Ljava/awt/geom/Point2D$Float;");
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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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sunFontIDs.pScalerContextFID =
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(*env)->GetFieldID(env, tmpClass, "pScalerContext", "J");
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tmpClass = (*env)->FindClass(env, "sun/font/GlyphList");
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sunFontIDs.glyphListX = (*env)->GetFieldID(env, tmpClass, "x", "F");
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sunFontIDs.glyphListY = (*env)->GetFieldID(env, tmpClass, "y", "F");
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sunFontIDs.glyphListLen = (*env)->GetFieldID(env, tmpClass, "len", "I");
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sunFontIDs.glyphImages =
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(*env)->GetFieldID(env, tmpClass, "images", "[J");
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sunFontIDs.glyphListUsePos =
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(*env)->GetFieldID(env, tmpClass, "usePositions", "Z");
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sunFontIDs.glyphListPos =
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(*env)->GetFieldID(env, tmpClass, "positions", "[F");
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sunFontIDs.lcdRGBOrder =
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(*env)->GetFieldID(env, tmpClass, "lcdRGBOrder", "Z");
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sunFontIDs.lcdSubPixPos =
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(*env)->GetFieldID(env, tmpClass, "lcdSubPixPos", "Z");
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initLCDGammaTables();
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}
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JNIEXPORT FontManagerNativeIDs getSunFontIDs() {
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return sunFontIDs;
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}
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JNIEXPORT jobject JNICALL
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Java_sun_font_FontManager_getFont2D(
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JNIEnv *env,
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jclass clsFM,
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jobject javaFont) {
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return (*env)->CallObjectMethod(env, javaFont, sunFontIDs.getFont2DMID);
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}
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JNIEXPORT void JNICALL
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Java_sun_font_FontManager_setFont2D(
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JNIEnv *env,
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jclass clsFM,
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jobject javaFont,
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jobject fontHandle) {
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(*env)->SetObjectField(env, javaFont, sunFontIDs.font2DHandle, fontHandle);
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}
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JNIEXPORT void JNICALL
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Java_sun_font_FontManager_setCreatedFont(
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JNIEnv *env,
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jclass clsFM,
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jobject javaFont) {
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(*env)->SetBooleanField(env, javaFont, sunFontIDs.createdFont, JNI_TRUE);
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}
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JNIEXPORT jboolean JNICALL
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Java_sun_font_FontManager_isCreatedFont(
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JNIEnv *env,
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jclass clsFM,
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jobject javaFont) {
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return (*env)->GetBooleanField(env, javaFont, sunFontIDs.createdFont);
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}
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/*
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* Class: sun_font_StrikeCache
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* Method: freeIntPointer
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* Signature: (I)V
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*/
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JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeIntPointer
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(JNIEnv *env, jclass cacheClass, jint ptr) {
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/* Note this is used for freeing a glyph which was allocated
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* but never placed into the glyph cache. The caller holds the
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* only reference, therefore it is unnecessary to invalidate any
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* accelerated glyph cache cells as we do in freeInt/LongMemory().
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*/
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if (ptr != 0) {
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free((void*)ptr);
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}
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}
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261 |
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262 |
/*
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263 |
* Class: sun_font_StrikeCache
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* Method: freeLongPointer
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* Signature: (J)V
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*/
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JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeLongPointer
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(JNIEnv *env, jclass cacheClass, jlong ptr) {
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/* Note this is used for freeing a glyph which was allocated
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* but never placed into the glyph cache. The caller holds the
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* only reference, therefore it is unnecessary to invalidate any
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273 |
* accelerated glyph cache cells as we do in freeInt/LongMemory().
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*/
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if (ptr != 0L) {
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free(jlong_to_ptr(ptr));
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}
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}
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280 |
/*
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281 |
* Class: sun_font_StrikeCache
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* Method: freeIntMemory
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* Signature: ([I)V
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*/
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JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeIntMemory
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(JNIEnv *env, jclass cacheClass, jintArray jmemArray, jlong pContext) {
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int len = (*env)->GetArrayLength(env, jmemArray);
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jint* ptrs =
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290 |
(jint*)(*env)->GetPrimitiveArrayCritical(env, jmemArray, NULL);
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291 |
int i;
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292 |
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293 |
if (ptrs) {
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for (i=0; i< len; i++) {
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if (ptrs[i] != 0) {
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GlyphInfo *ginfo = (GlyphInfo *)ptrs[i];
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297 |
if (ginfo->cellInfo != NULL) {
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// invalidate this glyph's accelerated cache cell
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299 |
AccelGlyphCache_RemoveAllCellInfos(ginfo);
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2
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300 |
}
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301 |
free((void*)ginfo);
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302 |
}
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303 |
}
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(*env)->ReleasePrimitiveArrayCritical(env, jmemArray, ptrs, JNI_ABORT);
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305 |
}
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306 |
if (!isNullScalerContext(jlong_to_ptr(pContext))) {
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free(jlong_to_ptr(pContext));
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308 |
}
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309 |
}
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310 |
|
|
311 |
/*
|
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312 |
* Class: sun_font_StrikeCache
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|
313 |
* Method: freeLongMemory
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|
314 |
* Signature: ([J)V
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315 |
*/
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316 |
JNIEXPORT void JNICALL Java_sun_font_StrikeCache_freeLongMemory
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317 |
(JNIEnv *env, jclass cacheClass, jlongArray jmemArray, jlong pContext) {
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318 |
|
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319 |
int len = (*env)->GetArrayLength(env, jmemArray);
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320 |
jlong* ptrs =
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321 |
(jlong*)(*env)->GetPrimitiveArrayCritical(env, jmemArray, NULL);
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322 |
int i;
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323 |
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if (ptrs) {
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for (i=0; i< len; i++) {
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if (ptrs[i] != 0L) {
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327 |
GlyphInfo *ginfo = (GlyphInfo *) jlong_to_ptr(ptrs[i]);
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328 |
if (ginfo->cellInfo != NULL) {
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887
|
329 |
AccelGlyphCache_RemoveAllCellInfos(ginfo);
|
2
|
330 |
}
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|
331 |
free((void*)ginfo);
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332 |
}
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|
333 |
}
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334 |
(*env)->ReleasePrimitiveArrayCritical(env, jmemArray, ptrs, JNI_ABORT);
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|
335 |
}
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|
336 |
if (!isNullScalerContext(jlong_to_ptr(pContext))) {
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337 |
free(jlong_to_ptr(pContext));
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|
338 |
}
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339 |
}
|
|
340 |
|
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341 |
JNIEXPORT void JNICALL
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|
342 |
Java_sun_font_StrikeCache_getGlyphCacheDescription
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|
343 |
(JNIEnv *env, jclass cls, jlongArray results) {
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|
344 |
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|
345 |
jlong* nresults;
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|
346 |
GlyphInfo *info;
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347 |
size_t baseAddr;
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348 |
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349 |
if ((*env)->GetArrayLength(env, results) < 10) {
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350 |
return;
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351 |
}
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352 |
|
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353 |
nresults = (jlong*)(*env)->GetPrimitiveArrayCritical(env, results, NULL);
|
|
354 |
if (nresults == NULL) {
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|
355 |
return;
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|
356 |
}
|
|
357 |
info = (GlyphInfo*) calloc(1, sizeof(GlyphInfo));
|
|
358 |
if (info == NULL) {
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359 |
(*env)->ReleasePrimitiveArrayCritical(env, results, nresults, 0);
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|
360 |
return;
|
|
361 |
}
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|
362 |
baseAddr = (size_t)info;
|
|
363 |
nresults[0] = sizeof(void*);
|
|
364 |
nresults[1] = sizeof(GlyphInfo);
|
|
365 |
nresults[2] = 0;
|
|
366 |
nresults[3] = (size_t)&(info->advanceY)-baseAddr;
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|
367 |
nresults[4] = (size_t)&(info->width)-baseAddr;
|
|
368 |
nresults[5] = (size_t)&(info->height)-baseAddr;
|
|
369 |
nresults[6] = (size_t)&(info->rowBytes)-baseAddr;
|
|
370 |
nresults[7] = (size_t)&(info->topLeftX)-baseAddr;
|
|
371 |
nresults[8] = (size_t)&(info->topLeftY)-baseAddr;
|
|
372 |
nresults[9] = (size_t)&(info->image)-baseAddr;
|
|
373 |
nresults[10] = (jlong)(uintptr_t)info; /* invisible glyph */
|
|
374 |
(*env)->ReleasePrimitiveArrayCritical(env, results, nresults, 0);
|
|
375 |
}
|
|
376 |
|
|
377 |
JNIEXPORT TTLayoutTableCache* newLayoutTableCache() {
|
|
378 |
TTLayoutTableCache* ltc = calloc(1, sizeof(TTLayoutTableCache));
|
|
379 |
if (ltc) {
|
|
380 |
ltc->gsub_len = -1;
|
|
381 |
ltc->gpos_len = -1;
|
|
382 |
ltc->gdef_len = -1;
|
|
383 |
ltc->mort_len = -1;
|
|
384 |
ltc->kern_len = -1;
|
|
385 |
}
|
|
386 |
return ltc;
|
|
387 |
}
|
|
388 |
|
|
389 |
JNIEXPORT void freeLayoutTableCache(TTLayoutTableCache* ltc) {
|
|
390 |
if (ltc) {
|
|
391 |
if (ltc->gsub) free(ltc->gsub);
|
|
392 |
if (ltc->gpos) free(ltc->gpos);
|
|
393 |
if (ltc->gdef) free(ltc->gdef);
|
|
394 |
if (ltc->mort) free(ltc->mort);
|
|
395 |
if (ltc->kern) free(ltc->kern);
|
|
396 |
if (ltc->kernPairs) free(ltc->kernPairs);
|
|
397 |
free(ltc);
|
|
398 |
}
|
|
399 |
}
|