--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/macosx/native/sun/font/CCharToGlyphMapper.m	Tue Mar 06 20:34:38 2012 +0000
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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);
+
+    AllocateGlyphBuffer(env, awtFont, count, (UniChar *)unicodesAsChars, glyphs);
+
+    (*env)->ReleasePrimitiveArrayCritical(env, unicodes,
+                                          unicodesAsChars, JNI_ABORT);
+
+JNF_COCOA_EXIT(env);
+}