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/*
* Copyright (C) 2008 Apple Computer, 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.
* 2. 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 distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef GeneratedImage_h
#define GeneratedImage_h
#include "platform/geometry/IntSize.h"
#include "platform/graphics/Image.h"
#include "third_party/skia/include/core/SkRefCnt.h"
namespace blink {
class PLATFORM_EXPORT GeneratedImage : public Image {
public:
bool currentFrameHasSingleSecurityOrigin() const override { return true; }
bool usesContainerSize() const override { return true; }
bool hasRelativeSize() const override { return true; }
IntSize size() const override { return m_size; }
// Assume that generated content has no decoded data we need to worry about
void destroyDecodedData() override {}
sk_sp<SkImage> imageForCurrentFrame(const ColorBehavior&) override;
protected:
void drawPattern(GraphicsContext&,
const FloatRect&,
const FloatSize&,
const FloatPoint&,
SkBlendMode,
const FloatRect&,
const FloatSize& repeatSpacing) final;
// FIXME: Implement this to be less conservative.
bool currentFrameKnownToBeOpaque(MetadataMode = UseCurrentMetadata) override {
return false;
}
GeneratedImage(const IntSize& size) : m_size(size) {}
virtual void drawTile(GraphicsContext&, const FloatRect&) = 0;
IntSize m_size;
};
} // namespace blink
#endif
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