classpath 0.97.2: Added gtk performance fix.

1 files changed, 88 insertions, 0 deletions

diff --git a/packages/classpath/classpath-0.97.2/gtk-fix.patch b/packages/classpath/classpath-0.97.2/gtk-fix.patch
new file mode 100644
index 0000000000..94c4c1f59d
--- /dev/null
+++ b/packages/classpath/classpath-0.97.2/gtk-fix.patch
@@ -0,0 +1,88 @@
+Index: gnu/java/awt/peer/gtk/FreetypeGlyphVector.java
+===================================================================
+--- gnu/java/awt/peer/gtk/FreetypeGlyphVector.java.orig	2007-04-12 22:18:09.000000000 +0200
++++ gnu/java/awt/peer/gtk/FreetypeGlyphVector.java	2008-11-21 16:45:33.000000000 +0100
+@@ -247,7 +247,8 @@
+   /**
+    * Returns the kerning of a glyph pair
+    */
+-  private native Point2D getKerning(int leftGlyph, int rightGlyph, long font);
++  private native void getKerning(int leftGlyph, int rightGlyph, long font,
++				 float[] p);
+ 
+   private native double[] getMetricsNative(int glyphCode, long font);
+ 
+@@ -301,6 +302,7 @@
+     GlyphMetrics gm = null;
+     float x = 0;
+     float y = 0;
++    float[] p = {0.0f, 0.0f};
+     for(int i = 0; i < nGlyphs; i++)
+       {
+         gm = getGlyphMetrics( i );
+@@ -314,9 +316,9 @@
+         // using the same font
+         if (i != nGlyphs-1 && fontSet[i] == fontSet[i+1])
+           {
+-            Point2D p = getKerning(glyphCodes[i], glyphCodes[i + 1], fontSet[i]);
+-            x += p.getX();
+-            y += p.getY();
++            getKerning(glyphCodes[i], glyphCodes[i + 1], fontSet[i], p);
++            x += p[0];
++            y += p[1];
+           }
+       }
+     glyphPositions[nGlyphs * 2] = x;
+Index: include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h
+===================================================================
+--- include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h.orig	2008-06-06 04:10:00.000000000 +0200
++++ include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h	2008-11-21 16:45:33.000000000 +0100
+@@ -13,7 +13,7 @@
+ JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_dispose (JNIEnv *env, jobject, jlongArray);
+ JNIEXPORT jlong JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getNativeFontPointer (JNIEnv *env, jobject, jint);
+ JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getGlyphs (JNIEnv *env, jobject, jintArray, jintArray, jlongArray);
+-JNIEXPORT jobject JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getKerning (JNIEnv *env, jobject, jint, jint, jlong);
++JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getKerning (JNIEnv *env, jobject, jint, jint, jlong, jfloatArray);
+ JNIEXPORT jdoubleArray JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getMetricsNative (JNIEnv *env, jobject, jint, jlong);
+ JNIEXPORT jobject JNICALL Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getGlyphOutlineNative (JNIEnv *env, jobject, jint, jlong);
+ 
+Index: native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c
+===================================================================
+--- native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c.orig	2007-04-25 16:53:03.000000000 +0200
++++ native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c	2008-11-21 16:47:12.000000000 +0100
+@@ -169,15 +169,13 @@
+   (*env)->ReleaseLongArrayElements (env, fonts, fontArray, 0);
+ }
+ 
+-JNIEXPORT jobject JNICALL 
++JNIEXPORT void JNICALL
+ Java_gnu_java_awt_peer_gtk_FreetypeGlyphVector_getKerning
+-(JNIEnv *env, jobject obj __attribute__((unused)), jint rightGlyph, jint leftGlyph, jlong fnt)
++  (JNIEnv *env, jobject obj __attribute__((unused)), jint rightGlyph,
++   jint leftGlyph, jlong fnt, jfloatArray p)
+ {
+   FT_Face ft_face;
+   FT_Vector kern;
+-  jclass cls;
+-  jmethodID method;
+-  jvalue values[2];
+   PangoFcFont *font;
+ 
+   font = JLONG_TO_PTR(PangoFcFont, fnt);
+@@ -187,12 +185,10 @@
+ 
+   pango_fc_font_unlock_face( font );
+ 
+-  values[0].d = (jdouble)kern.x/64.0;
+-  values[1].d = (jdouble)kern.y/64.0;
+-
+-  cls = (*env)->FindClass (env, "java/awt/geom/Point2D$Double");
+-  method = (*env)->GetMethodID (env, cls, "<init>", "(DD)V");
+-  return (*env)->NewObjectA(env, cls, method, values);
++  jfloat *pelements = (*env)->GetPrimitiveArrayCritical(env, p, NULL);
++  pelements[0] = (jfloat)kern.x/64.0;
++  pelements[1] = (jfloat)kern.y/64.0;
++  (*env)->ReleasePrimitiveArrayCritical (env, p, pelements, 0);
+ }
+ 
+ JNIEXPORT jdoubleArray JNICALL