ImageBuffer-less SVG masking and clipping.

Source/core/rendering/InlineFlowBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 1348 matching lines @@
             compositeOp = CompositeSourceOver;
         }
     }
 
     LayoutRect paintRect = LayoutRect(adjustedPaintOffset, frameRect.size());
     paintFillLayers(paintInfo, Color(), renderer()->style()->maskLayers(), paintRect, compositeOp);
 
     bool hasBoxImage = maskBoxImage && maskBoxImage->canRender(renderer(), renderer()->style()->effectiveZoom());
     if (!hasBoxImage || !maskBoxImage->isLoaded()) {
         if (pushTransparencyLayer)
-            paintInfo.context->endTransparencyLayer();
+            paintInfo.context->endLayer();
         return; // Don't paint anything while we wait for the image to load.
     }
 
     // The simple case is where we are the only box for this object.  In those
     // cases only a single call to draw is required.
     if (!prevLineBox() && !nextLineBox()) {
         boxModelObject()->paintNinePieceImage(paintInfo.context, LayoutRect(adjustedPaintOffset, frameRect.size()), renderer()->style(), maskNinePieceImage, compositeOp);
     } else {
         // We have a mask image that spans multiple lines.
         // We need to adjust _tx and _ty by the width of all previous lines.
         LayoutUnit logicalOffsetOnLine = 0;
         for (InlineFlowBox* curr = prevLineBox(); curr; curr = curr->prevLineBox())
             logicalOffsetOnLine += curr->logicalWidth();
         LayoutUnit totalLogicalWidth = logicalOffsetOnLine;
         for (InlineFlowBox* curr = this; curr; curr = curr->nextLineBox())
             totalLogicalWidth += curr->logicalWidth();
         LayoutUnit stripX = adjustedPaintOffset.x() - (isHorizontal() ? logicalOffsetOnLine : LayoutUnit());
         LayoutUnit stripY = adjustedPaintOffset.y() - (isHorizontal() ? LayoutUnit() : logicalOffsetOnLine);
         LayoutUnit stripWidth = isHorizontal() ? totalLogicalWidth : frameRect.width();
         LayoutUnit stripHeight = isHorizontal() ? frameRect.height() : totalLogicalWidth;
 
         LayoutRect clipRect = clipRectForNinePieceImageStrip(this, maskNinePieceImage, paintRect);
         GraphicsContextStateSaver stateSaver(*paintInfo.context);
         paintInfo.context->clip(clipRect);
         boxModelObject()->paintNinePieceImage(paintInfo.context, LayoutRect(stripX, stripY, stripWidth, stripHeight), renderer()->style(), maskNinePieceImage, compositeOp);
     }
 
     if (pushTransparencyLayer)
-        paintInfo.context->endTransparencyLayer();
+        paintInfo.context->endLayer();
 }
 
 InlineBox* InlineFlowBox::firstLeafChild() const
 {
     InlineBox* leaf = 0;
     for (InlineBox* child = firstChild(); child && !leaf; child = child->nextOnLine())
         leaf = child->isLeaf() ? child : toInlineFlowBox(child)->firstLeafChild();
     return leaf;
 }
 
@@ skipping 227 matching lines @@
         ASSERT(child->prevOnLine() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastChild);
 #endif
 }
 
 #endif
 
 } // namespace WebCore