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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
/*
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* Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.
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* Copyright (C) 2007 Alp Toker <alp@atoker.com>
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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
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* 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_CORE_HTML_CANVAS_CANVASIMAGESOURCE_H_
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#define SKY_ENGINE_CORE_HTML_CANVAS_CANVASIMAGESOURCE_H_
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#include "sky/engine/wtf/PassRefPtr.h"
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namespace blink {
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class Image;
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enum SourceImageMode {
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CopySourceImageIfVolatile,
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DontCopySourceImage
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};
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enum SourceImageStatus {
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NormalSourceImageStatus,
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ExternalSourceImageStatus, // Shared with another GPU context
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UndecodableSourceImageStatus, // Image element with a 'broken' image
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ZeroSizeCanvasSourceImageStatus, // Source is a canvas with width or heigh of zero
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IncompleteSourceImageStatus, // Image element with no source media
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InvalidSourceImageStatus,
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};
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class CanvasImageSource {
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public:
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virtual PassRefPtr<Image> getSourceImageForCanvas(SourceImageMode, SourceImageStatus* = 0) const = 0;
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virtual bool isVideoElement() const { return false; }
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// Adjusts the source and destination rectangles for cases where the actual
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// source image is a subregion of the image returned by getSourceImageForCanvas.
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virtual void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const { }
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virtual FloatSize sourceSize() const = 0;
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virtual FloatSize defaultDestinationSize() const { return sourceSize(); }
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virtual const KURL& sourceURL() const { return blankURL(); }
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protected:
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virtual ~CanvasImageSource() { }
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_HTML_CANVAS_CANVASIMAGESOURCE_H_
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