WebKit merge 40722:40785 (part 1)

third_party/WebKit/WebCore/platform/graphics/cg/PatternCG.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 38 matching lines @@
 {
     static_cast<Image*>(info)->deref();
 }
 
 CGPatternRef Pattern::createPlatformPattern(const TransformationMatrix& userSpaceTransformation) const
 {
     IntRect tileRect = tileImage()->rect();
 
     TransformationMatrix patternTransform = m_patternSpaceTransformation;
     patternTransform.multiply(userSpaceTransformation);
-    patternTransform.scale(1, -1);
+    patternTransform.scaleNonUniform(1, -1);
     patternTransform.translate(0, -tileRect.height());
 
     // If FLT_MAX should also be used for xStep or yStep, nothing is rendered. Using fractions of FLT_MAX also
     // result in nothing being rendered.
     // INT_MAX is almost correct, but there seems to be some number wrapping occuring making the fill
     // pattern is not filled correctly. 
     // So, just pick a really large number that works. 
     float xStep = m_repeatX ? tileRect.width() : (100000000.0f);
     float yStep = m_repeatY ? tileRect.height() : (100000000.0f);
 
     // The pattern will release the tile when it's done rendering in patternReleaseCallback
     tileImage()->ref();
 
     const CGPatternCallbacks patternCallbacks = { 0, patternCallback, patternReleaseCallback };
     return CGPatternCreate(tileImage(), tileRect, patternTransform, xStep, yStep,
         kCGPatternTilingConstantSpacing, TRUE, &patternCallbacks);
 }
 
 }