/*
* 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 "wtf/RefPtr.h"
namespace WebCore {
class PLATFORM_EXPORT GeneratedImage : public Image {
public:
virtual bool currentFrameHasSingleSecurityOrigin() const OVERRIDE { return true; }
virtual void setContainerSize(const IntSize& size) OVERRIDE { m_size = size; }
virtual bool usesContainerSize() const OVERRIDE { return true; }
virtual bool hasRelativeWidth() const OVERRIDE { return true; }
virtual bool hasRelativeHeight() const OVERRIDE { return true; }
virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) OVERRIDE;
virtual IntSize size() const OVERRIDE { return m_size; }
// Assume that generated content has no decoded data we need to worry about
virtual void destroyDecodedData(bool) OVERRIDE { }
protected:
virtual void drawPattern(GraphicsContext*, const FloatRect&,
const FloatSize&, const FloatPoint&, CompositeOperator,
const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing) OVERRIDE = 0;
// FIXME: Implement this to be less conservative.
virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; }
GeneratedImage() { }
IntSize m_size;
};
}
#endif