1 /* 2 * Copyright (C) 2008 Apple Computer, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef GeneratedImage_h 27 #define GeneratedImage_h 28 29 #include "Image.h" 30 31 #include "Generator.h" 32 #include "IntSize.h" 33 #include <wtf/RefPtr.h> 34 35 namespace WebCore { 36 37 class GeneratedImage : public Image { 38 public: 39 static PassRefPtr<GeneratedImage> create(PassRefPtr<Generator> generator, const IntSize& size) 40 { 41 return adoptRef(new GeneratedImage(generator, size)); 42 } 43 virtual ~GeneratedImage() {} 44 45 virtual bool hasSingleSecurityOrigin() const { return true; } 46 47 // These are only used for SVGGeneratedImage right now 48 virtual void setContainerSize(const IntSize& size) { m_size = size; } 49 virtual bool usesContainerSize() const { return true; } 50 virtual bool hasRelativeWidth() const { return true; } 51 virtual bool hasRelativeHeight() const { return true; } 52 53 virtual IntSize size() const { return m_size; } 54 55 // Assume that generated content has no decoded data we need to worry about 56 virtual void destroyDecodedData(bool /*destroyAll*/ = true) { } 57 virtual unsigned decodedSize() const { return 0; } 58 59 protected: 60 virtual void draw(GraphicsContext*, const FloatRect& dstRect, const FloatRect& srcRect, ColorSpace styleColorSpace, CompositeOperator); 61 virtual void drawPattern(GraphicsContext*, const FloatRect& srcRect, const AffineTransform& patternTransform, 62 const FloatPoint& phase, ColorSpace styleColorSpace, CompositeOperator, const FloatRect& destRect); 63 64 GeneratedImage(PassRefPtr<Generator> generator, const IntSize& size) 65 : m_generator(generator) 66 , m_size(size) 67 { 68 } 69 70 RefPtr<Generator> m_generator; 71 IntSize m_size; 72 }; 73 74 } 75 76 #endif 77
