src/macosx/native/sun/awt/QuartzSurfaceData.m

@@ -38,23 +38,17 @@
 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 
 #import <AppKit/AppKit.h>
 #import "ThreadUtilities.h"
 
-// private Quartz routines needed here
-CG_EXTERN void CGContextSetCTM(CGContextRef ref, CGAffineTransform tx);
-
 //#define DEBUG
 #if defined DEBUG
     #define PRINT(msg) {fprintf(stderr, "%s\n", msg);}
 #else
     #define PRINT(msg) {}
 #endif
 
-// from CGAffineTransformPrivate.h
-extern CGPoint CGPointApplyInverseAffineTransform(CGPoint point, CGAffineTransform t);
-
 #define kOffset (0.5f)
 
 BOOL gAdjustForJavaDrawing;
 
 #pragma mark

@@ -606,11 +600,12 @@
                 qsdo->graphicsStateInfo.ctm = ctm;
                 // In CG affine xforms y' = bx+dy+ty
                 // We need to flip both y coefficeints to flip the offset point into the java coordinate system.
                 ctm.b = -ctm.b; ctm.d = -ctm.d; ctm.tx = 0.0f; ctm.ty = 0.0f;
                 CGPoint offsets = {kOffset, kOffset};
-                offsets = CGPointApplyInverseAffineTransform(offsets, ctm);
+                CGAffineTransform inverse = CGAffineTransformInvert(ctm);
+                offsets = CGPointApplyAffineTransform(offsets, inverse);
                 qsdo->graphicsStateInfo.offsetX = offsets.x;
                 qsdo->graphicsStateInfo.offsetY = offsets.y;
             }
         }
         else