third_party/WebKit/Source/core/paint/SVGMaskPainter.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef SVGMaskPainter_h
   6 #define SVGMaskPainter_h
   7
   8 #include "platform/geometry/FloatRect.h"
   9 #include "wtf/Allocator.h"
  10
  11 namespace blink {
  12
  13 class GraphicsContext;
  14 class LayoutObject;
  15 class LayoutSVGResourceMasker;
  16
  17 class SVGMaskPainter {
  18     STACK_ALLOCATED();
  19 public:
  20     SVGMaskPainter(LayoutSVGResourceMasker& mask) : m_mask(mask) { }
  21
  22     bool prepareEffect(const LayoutObject&, GraphicsContext*);
  23     void finishEffect(const LayoutObject&, GraphicsContext*);
  24
  25 private:
  26     void drawMaskForLayoutObject(GraphicsContext*, const LayoutObject&, const FloatRect& targetBoundingBox, const FloatRect& targetPaintInvalidationRect);
  27
  28     LayoutSVGResourceMasker& m_mask;
  29 };
  30
  31 } // namespace blink
  32
  33 #endif // SVGMaskPainter_h