ImageBuffer-less SVG masking and clipping.

Source/web/tests/TransparencyWinTest.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 322 matching lines @@
         // These coordinates are relative to the layer, whish is inset by 1x1
         // pixels from the top left. So we're actually clearing (2, 2) and
         // (13,13), which are the extreme corners of the black area (and which
         // we check below).
         clearTopLayerAlphaPixel(helper.context(), 1, 1);
         clearTopLayerAlphaPixel(helper.context(), 12, 12);
         helper.composite();
     }
 
     // Finish the compositing.
-    src->context()->endTransparencyLayer();
+    src->context()->endLayer();
 
     // Check that we got the right values, it should be like the rectangle was
     // drawn with half opacity even though the alpha channel got messed up.
     EXPECT_EQ(red, getPixelAt(src->context(), 0, 0));
     EXPECT_EQ(red, getPixelAt(src->context(), 1, 1));
     EXPECT_EQ(darkRed, getPixelAt(src->context(), 2, 2));
 
     // The dark result is:
     //   (black @ 50% atop green) @ 50% atop red = 0xFF804000
     // which is 0xFFA02000 (Skia computes 0xFFA11F00 due to rounding).
@@ skipping 143 matching lines @@
                     TransparencyWin::Untransform,
                     IntRect(1, -15, 14, 14));
 
         // Fill with red.
         helper.context()->fillRect(helper.drawRect(), Color(0x7f7f0000));
         clearTopLayerAlphaChannel(helper.context());
         helper.composite();
     }
 
     // Finish the compositing.
-    src->context()->endTransparencyLayer();
+    src->context()->endLayer();
 
     // Top corner should be the original background.
     EXPECT_EQ(white, getPixelAt(src->context(), 0, 0));
 
     // Check the stripe down the middle, first at the top...
     Color gray(0xFF808080);
     EXPECT_EQ(white, getPixelAt(src->context(), 6, 0));
     EXPECT_EQ(gray, getPixelAt(src->context(), 7, 0));
     EXPECT_EQ(gray, getPixelAt(src->context(), 8, 0));
     EXPECT_EQ(white, getPixelAt(src->context(), 9, 0));
@@ skipping 148 matching lines @@
                     TransparencyWin::ScaleTransform,
                     IntRect(1, 1, 6, 6));
 
         helper.context()->fillRect(helper.drawRect(), Color(0x7f000000));
         clearTopLayerAlphaChannel(helper.context());
         helper.composite();
     }
 
     // Finish the layer.
     src->context()->restore();
-    src->context()->endTransparencyLayer();
+    src->context()->endLayer();
 
     Color redBackground(0xFFFF8080); // 50% red composited on white.
     EXPECT_EQ(redBackground, getPixelAt(src->context(), 0, 0));
     EXPECT_EQ(redBackground, getPixelAt(src->context(), 1, 1));
 
     // Top half (minus two pixel border) should be 50% gray atop opaque
     // red = 0xFF804141. Then that's composited with 50% transparency on solid
     // white = 0xFFC0A1A1.
     Color darkRed(0xFFBF8080);
     EXPECT_EQ(darkRed, getPixelAt(src->context(), 2, 2));
@@ skipping 54 matching lines @@
     EXPECT_EQ(oneThirdResult, getPixelAt(src->context(), 1, 0));
     EXPECT_EQ(oneThirdResult, getPixelAt(src->context(), 2, 0));
     EXPECT_EQ(oneThirdResult, getPixelAt(src->context(), 3, 0));
     EXPECT_EQ(oneThirdResult, getPixelAt(src->context(), 4, 0));
     EXPECT_EQ(oneThirdResult, getPixelAt(src->context(), 5, 0));
     EXPECT_EQ(fullResult, getPixelAt(src->context(), 6, 0));
     EXPECT_EQ(Color::transparent, getPixelAt(src->context(), 7, 0));
 }
 
 } // namespace WebCore