/*
* Copyright (C) 2013 Google Inc. All rights reserved.
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* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
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* contributors may be used to endorse or promote products derived from
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef DrawLooperBuilder_h
#define DrawLooperBuilder_h
#include "platform/PlatformExport.h"
#include "third_party/skia/include/effects/SkLayerDrawLooper.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/PassRefPtr.h"
class SkDrawLooper;
namespace WebCore {
class Color;
class FloatSize;
class PLATFORM_EXPORT DrawLooperBuilder FINAL {
// Implementing the copy constructor properly would require writing code to
// copy the underlying SkLayerDrawLooper::Builder.
WTF_MAKE_NONCOPYABLE(DrawLooperBuilder);
public:
enum ShadowTransformMode {
ShadowRespectsTransforms,
ShadowIgnoresTransforms
};
enum ShadowAlphaMode {
ShadowRespectsAlpha,
ShadowIgnoresAlpha
};
DrawLooperBuilder();
~DrawLooperBuilder();
static PassOwnPtr<DrawLooperBuilder> create();
// Creates the SkDrawLooper and passes ownership to the caller. The builder
// should not be used any more after calling this method.
PassRefPtr<SkDrawLooper> detachDrawLooper();
void addUnmodifiedContent();
void addShadow(const FloatSize& offset, float blur, const Color&,
ShadowTransformMode = ShadowRespectsTransforms,
ShadowAlphaMode = ShadowRespectsAlpha);
private:
SkLayerDrawLooper::Builder m_skDrawLooperBuilder;
};
} // namespace WebCore
#endif // DrawLooperBuilder_h