ImageBuffer-less SVG masking and clipping.

Source/core/platform/graphics/GraphicsContext.h

 /*
  * Copyright (C) 2003, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 260 matching lines @@
     void drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, const SkRect& textRect, const SkPaint&);
     void drawTextOnPath(const void* text, size_t byteLength, const SkPath&, const SkRect& textRect, const SkMatrix*, const SkPaint&);
 
     void clip(const IntRect& rect) { clip(FloatRect(rect)); }
     void clip(const FloatRect& rect) { clipRect(rect); }
     void clipRoundedRect(const RoundedRect&);
     void clipOut(const IntRect& rect) { clipRect(rect, NotAntiAliased, SkRegion::kDifference_Op); }
     void clipOutRoundedRect(const RoundedRect&);
     void clipPath(const Path&, WindRule = RULE_EVENODD);
     void clipConvexPolygon(size_t numPoints, const FloatPoint*, bool antialias = true);
-    void clipToImageBuffer(const ImageBuffer*, const FloatRect&);
     bool clipRect(const SkRect&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
 
     void drawText(const Font&, const TextRunPaintInfo&, const FloatPoint&);
     void drawEmphasisMarks(const Font&, const TextRunPaintInfo&, const AtomicString& mark, const FloatPoint&);
     void drawBidiText(const Font&, const TextRunPaintInfo&, const FloatPoint&, Font::CustomFontNotReadyAction = Font::DoNotPaintIfFontNotReady);
     void drawHighlightForText(const Font&, const TextRun&, const FloatPoint&, int h, const Color& backgroundColor, int from = 0, int to = -1);
 
     void drawLineForText(const FloatPoint&, float width, bool printing);
     enum DocumentMarkerLineStyle {
         DocumentMarkerSpellingLineStyle,
@@ skipping 109 matching lines @@
     void drawInnerPath(const SkPath&, SkPaint&, int);
 
     // SkCanvas wrappers.
     bool isDrawingToLayer() const { return m_canvas->isDrawingToLayer(); }
 
     bool clipPath(const SkPath&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
     bool clipRRect(const SkRRect&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
 
     bool concat(const SkMatrix&);
 
-    // Used when restoring and the state has an image clip. Only shows the pixels in
-    // m_canvas that are also in imageBuffer.
-    // The clipping rectangle is given in absolute coordinates.
-    void applyClipFromImage(const SkRect&, const SkBitmap&);
-
     // common code between setupPaintFor[Filling,Stroking]
     void setupShader(SkPaint*, Gradient*, Pattern*, SkColor) const;
 
     // Apply deferred saves
     void realizeSave(SkCanvas::SaveFlags flags)
     {
         if (m_deferredSaveFlags & flags) {
             m_canvas->save((SkCanvas::SaveFlags)m_deferredSaveFlags);
             m_deferredSaveFlags = 0;
         }
@@ skipping 39 matching lines @@
     // FIXME: Make this go away: crbug.com/236892
     bool m_updatingControlTints : 1;
     bool m_accelerated : 1;
     bool m_isCertainlyOpaque : 1;
     bool m_printing : 1;
 };
 
 } // namespace WebCore
 
 #endif // GraphicsContext_h