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

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SVGMaskPainter_h
#define SVGMaskPainter_h

#include "platform/geometry/FloatRect.h"
#include "wtf/Allocator.h"

namespace blink {

class GraphicsContext;
class LayoutObject;
class LayoutSVGResourceMasker;

class SVGMaskPainter {
  STACK_ALLOCATED();

 public:
  SVGMaskPainter(LayoutSVGResourceMasker& mask) : m_mask(mask) {}

  bool prepareEffect(const LayoutObject&, GraphicsContext&);
  void finishEffect(const LayoutObject&, GraphicsContext&);

 private:
  void drawMaskForLayoutObject(GraphicsContext&,
                               const LayoutObject&,
                               const FloatRect& targetBoundingBox,
                               const FloatRect& targetVisualRect);

  LayoutSVGResourceMasker& m_mask;
};

}  // namespace blink

#endif  // SVGMaskPainter_h