src/macosx/native/sun/font/AWTStrike.m

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2013, 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.  Oracle designates this

@@ -63,10 +63,11 @@
         fAltTx.d *= -1;
 
         invDevTx.b *= -1;
         invDevTx.c *= -1;
         fFontTx = CGAffineTransformConcat(CGAffineTransformConcat(tx, invDevTx), sInverseTX);
+        fDevTx = CGAffineTransformInvert(invDevTx);
 
         // the "font size" is the square root of the determinant of the matrix
         fSize = sqrt(abs(fFontTx.a * fFontTx.d - fFontTx.b * fFontTx.c));
     }
     return self;

@@ -146,18 +147,23 @@
 Java_sun_font_CStrike_getNativeGlyphAdvance
     (JNIEnv *env, jclass clazz, jlong awtStrikePtr, jint glyphCode)
 {
     CGSize advance;
 JNF_COCOA_ENTER(env);
-    AWTFont *awtFont = ((AWTStrike *)jlong_to_ptr(awtStrikePtr))->fAWTFont;
+    AWTStrike *awtStrike = (AWTStrike *)jlong_to_ptr(awtStrikePtr);
+    AWTFont *awtFont = awtStrike->fAWTFont;
 
     // negative glyph codes are really unicodes, which were placed there by the mapper
     // to indicate we should use CoreText to substitute the character
     CGGlyph glyph;
     const CTFontRef fallback = CTS_CopyCTFallbackFontAndGlyphForJavaGlyphCode(awtFont, glyphCode, &glyph);
     CTFontGetAdvancesForGlyphs(fallback, kCTFontDefaultOrientation, &glyph, &advance, 1);
     CFRelease(fallback);
+    advance = CGSizeApplyAffineTransform(advance, awtStrike->fFontTx);
+    if (!JRSFontStyleUsesFractionalMetrics(awtStrike->fStyle)) {
+        advance.width = round(advance.width);
+    }
 
 JNF_COCOA_EXIT(env);
     return advance.width;
 }