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/*
* Copyright (C) 2008, 2013 Apple 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 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 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 "FloatSize.h"
#include "Image.h"
namespace WebCore {
class GeneratedImage : public Image {
public:
bool hasSingleSecurityOrigin() const override { return true; }
void setContainerSize(const FloatSize& size) override { m_size = size; }
bool usesContainerSize() const override { return true; }
bool hasRelativeWidth() const override { return true; }
bool hasRelativeHeight() const override { return true; }
void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
FloatSize size() const override { return m_size; }
// Assume that generated content has no decoded data we need to worry about
void destroyDecodedData(bool /*destroyAll*/ = true) override { }
protected:
ImageDrawResult draw(GraphicsContext&, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator, BlendMode, DecodingMode, ImageOrientationDescription) override = 0;
void drawPattern(GraphicsContext&, const FloatRect& destRect, const FloatRect& srcRect, const AffineTransform& patternTransform,
const FloatPoint& phase, const FloatSize& spacing, CompositeOperator, BlendMode) override = 0;
// FIXME: Implement this to be less conservative.
bool currentFrameKnownToBeOpaque() const override { return false; }
GeneratedImage() { }
private:
bool isGeneratedImage() const override { return true; }
FloatSize m_size;
};
}
#endif
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