2 * Copyright (C) 2008 Apple Computer, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #ifndef GeneratedImage_h
27 #define GeneratedImage_h
31 #include "Generator.h"
33 #include <wtf/RefPtr.h>
37 class GeneratedImage : public Image {
39 virtual bool hasSingleSecurityOrigin() const { return true; }
41 virtual void setContainerSize(const IntSize& size) { m_size = size; }
42 virtual bool usesContainerSize() const { return true; }
43 virtual bool hasRelativeWidth() const { return true; }
44 virtual bool hasRelativeHeight() const { return true; }
45 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
47 virtual IntSize size() const { return m_size; }
49 // Assume that generated content has no decoded data we need to worry about
50 virtual void destroyDecodedData(bool /*destroyAll*/ = true) { }
51 virtual unsigned decodedSize() const { return 0; }
54 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator) = 0;
55 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const AffineTransform& patternTransform,
56 const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator, const FloatRect& destRect) = 0;