ImageBuffer-less SVG masking and clipping.

Source/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1149 matching lines @@
         if (style()->hasAppearance())
             theme()->paintDecorations(this, paintInfo, snappedPaintRect);
     }
     paintBoxShadow(paintInfo, paintRect, style(), Inset);
 
     // The theme will tell us whether or not we should also paint the CSS border.
     if (bleedAvoidance != BackgroundBleedBackgroundOverBorder && (!style()->hasAppearance() || (!themePainted && theme()->paintBorderOnly(this, paintInfo, snappedPaintRect))) && style()->hasBorder())
         paintBorder(paintInfo, paintRect, style(), bleedAvoidance);
 
     if (bleedAvoidance == BackgroundBleedUseTransparencyLayer)
-        paintInfo.context->endTransparencyLayer();
+        paintInfo.context->endLayer();
 }
 
 void RenderBox::paintBackground(const PaintInfo& paintInfo, const LayoutRect& paintRect, BackgroundBleedAvoidance bleedAvoidance)
 {
     if (isRoot()) {
         paintRootBoxFillLayers(paintInfo);
         return;
     }
     if (isBody() && skipBodyBackground(this))
         return;
@@ skipping 183 matching lines @@
         paintInfo.context->beginTransparencyLayer(1);
         compositeOp = CompositeSourceOver;
     }
 
     if (allMaskImagesLoaded) {
         paintFillLayers(paintInfo, Color(), style()->maskLayers(), paintRect, BackgroundBleedNone, compositeOp);
         paintNinePieceImage(paintInfo.context, paintRect, style(), style()->maskBoxImage(), compositeOp);
     }
 
     if (pushTransparencyLayer)
-        paintInfo.context->endTransparencyLayer();
+        paintInfo.context->endLayer();
 }
 
 LayoutRect RenderBox::maskClipRect()
 {
     const NinePieceImage& maskBoxImage = style()->maskBoxImage();
     if (maskBoxImage.image()) {
         LayoutRect borderImageRect = borderBoxRect();
 
         // Apply outsets to the border box.
         borderImageRect.expand(style()->maskBoxImageOutsets());
@@ skipping 41 matching lines @@
     if (!context)
         shouldDrawBackgroundInSeparateBuffer = false;
     if (shouldDrawBackgroundInSeparateBuffer)
         context->beginTransparencyLayer(1);
 
     Vector<const FillLayer*>::const_reverse_iterator topLayer = layers.rend();
     for (Vector<const FillLayer*>::const_reverse_iterator it = layers.rbegin(); it != topLayer; ++it)
         paintFillLayer(paintInfo, c, *it, rect, bleedAvoidance, op, backgroundObject);
 
     if (shouldDrawBackgroundInSeparateBuffer)
-        context->endTransparencyLayer();
+        context->endLayer();
 }
 
 void RenderBox::paintFillLayer(const PaintInfo& paintInfo, const Color& c, const FillLayer* fillLayer, const LayoutRect& rect,
     BackgroundBleedAvoidance bleedAvoidance, CompositeOperator op, RenderObject* backgroundObject)
 {
     paintFillLayerExtended(paintInfo, c, fillLayer, rect, bleedAvoidance, 0, LayoutSize(), op, backgroundObject);
 }
 
 static bool layersUseImage(WrappedImagePtr image, const FillLayer* layers)
 {
@@ skipping 3287 matching lines @@
     }
 
     if (didSplitParentAnonymousBoxes)
         markBoxForRelayoutAfterSplit(this);
 
     ASSERT(beforeChild->parent() == this);
     return beforeChild;
 }
 
 } // namespace WebCore