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82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
/*
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* Copyright (C) 2013 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PLATFORM_GRAPHICS_DRAWLOOPERBUILDER_H_
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#define SKY_ENGINE_PLATFORM_GRAPHICS_DRAWLOOPERBUILDER_H_
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#include "flutter/sky/engine/platform/PlatformExport.h"
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#include "flutter/sky/engine/wtf/Noncopyable.h"
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#include "flutter/sky/engine/wtf/PassOwnPtr.h"
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#include "flutter/sky/engine/wtf/PassRefPtr.h"
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#include "third_party/skia/include/effects/SkLayerDrawLooper.h"
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class SkDrawLooper;
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namespace blink {
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class Color;
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class FloatSize;
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class PLATFORM_EXPORT DrawLooperBuilder final {
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// Implementing the copy constructor properly would require writing code to
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// copy the underlying SkLayerDrawLooper::Builder.
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WTF_MAKE_NONCOPYABLE(DrawLooperBuilder);
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public:
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enum ShadowTransformMode {
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ShadowRespectsTransforms,
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ShadowIgnoresTransforms
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};
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enum ShadowAlphaMode { ShadowRespectsAlpha, ShadowIgnoresAlpha };
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DrawLooperBuilder();
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~DrawLooperBuilder();
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static PassOwnPtr<DrawLooperBuilder> create();
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// Creates the SkDrawLooper and passes ownership to the caller. The builder
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// should not be used any more after calling this method.
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sk_sp<SkDrawLooper> detachDrawLooper();
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void addUnmodifiedContent();
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void addShadow(const FloatSize& offset,
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float blur,
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const Color&,
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ShadowTransformMode = ShadowRespectsTransforms,
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ShadowAlphaMode = ShadowRespectsAlpha);
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private:
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SkLayerDrawLooper::Builder m_skDrawLooperBuilder;
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};
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} // namespace blink
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#endif // SKY_ENGINE_PLATFORM_GRAPHICS_DRAWLOOPERBUILDER_H_
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