| /* |
| * Copyright (c) 2008, 2012, 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. |
| * |
| * 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. |
| */ |
| |
| #import <JavaNativeFoundation/JavaNativeFoundation.h> |
| |
| #import "AWTFont.h" |
| #import "CoreTextSupport.h" |
| |
| #import "sun_font_CCharToGlyphMapper.h" |
| |
| /* |
| * Class: sun_font_CCharToGlyphMapper |
| * Method: countGlyphs |
| * Signature: (J)I |
| */ |
| JNIEXPORT jint JNICALL |
| Java_sun_font_CCharToGlyphMapper_countGlyphs |
| (JNIEnv *env, jclass clazz, jlong awtFontPtr) |
| { |
| jint numGlyphs = 0; |
| |
| JNF_COCOA_ENTER(env); |
| |
| AWTFont *awtFont = (AWTFont *)jlong_to_ptr(awtFontPtr); |
| numGlyphs = [awtFont->fFont numberOfGlyphs]; |
| |
| JNF_COCOA_EXIT(env); |
| |
| return numGlyphs; |
| } |
| |
| static inline void |
| GetGlyphsFromUnicodes(JNIEnv *env, AWTFont *awtFont, |
| jint count, UniChar *unicodes, |
| CGGlyph *cgGlyphs, jintArray glyphs) |
| { |
| jint *glyphCodeInts = (*env)->GetPrimitiveArrayCritical(env, glyphs, 0); |
| |
| CTS_GetGlyphsAsIntsForCharacters(awtFont, unicodes, |
| cgGlyphs, glyphCodeInts, count); |
| |
| // Do not use JNI_COMMIT, as that will not free the buffer copy |
| // when +ProtectJavaHeap is on. |
| (*env)->ReleasePrimitiveArrayCritical(env, glyphs, glyphCodeInts, 0); |
| } |
| |
| static inline void |
| AllocateGlyphBuffer(JNIEnv *env, AWTFont *awtFont, |
| jint count, UniChar *unicodes, jintArray glyphs) |
| { |
| if (count < MAX_STACK_ALLOC_GLYPH_BUFFER_SIZE) { |
| CGGlyph cgGlyphs[count]; |
| GetGlyphsFromUnicodes(env, awtFont, count, unicodes, cgGlyphs, glyphs); |
| } else { |
| CGGlyph *cgGlyphs = (CGGlyph *)malloc(count * sizeof(CGGlyph)); |
| GetGlyphsFromUnicodes(env, awtFont, count, unicodes, cgGlyphs, glyphs); |
| free(cgGlyphs); |
| } |
| } |
| |
| /* |
| * Class: sun_font_CCharToGlyphMapper |
| * Method: nativeCharsToGlyphs |
| * Signature: (JI[C[I)V |
| */ |
| JNIEXPORT void JNICALL |
| Java_sun_font_CCharToGlyphMapper_nativeCharsToGlyphs |
| (JNIEnv *env, jclass clazz, |
| jlong awtFontPtr, jint count, jcharArray unicodes, jintArray glyphs) |
| { |
| JNF_COCOA_ENTER(env); |
| |
| AWTFont *awtFont = (AWTFont *)jlong_to_ptr(awtFontPtr); |
| |
| // check the array size |
| jint len = (*env)->GetArrayLength(env, glyphs); |
| if (len < count) { |
| count = len; |
| } |
| |
| jchar *unicodesAsChars = |
| (*env)->GetPrimitiveArrayCritical(env, unicodes, NULL); |
| |
| if (unicodesAsChars != NULL) { |
| AllocateGlyphBuffer(env, awtFont, count, |
| (UniChar *)unicodesAsChars, glyphs); |
| |
| (*env)->ReleasePrimitiveArrayCritical(env, unicodes, |
| unicodesAsChars, JNI_ABORT); |
| } |
| |
| JNF_COCOA_EXIT(env); |
| } |