1 /* 2 * Copyright (C) 2009 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebImage_h 32 #define WebImage_h 33 34 #include "WebCommon.h" 35 36 #if WEBKIT_USING_SKIA 37 #include <SkBitmap.h> 38 #elif WEBKIT_USING_CG 39 typedef struct CGImage* CGImageRef; 40 #endif 41 42 #if WEBKIT_IMPLEMENTATION 43 namespace WebCore { class Image; } 44 namespace WTF { template <typename T> class PassRefPtr; } 45 #endif 46 47 namespace WebKit { 48 49 class WebData; 50 struct WebSize; 51 52 // A container for an ARGB bitmap. 53 class WebImage { 54 public: ~WebImage()55 ~WebImage() { reset(); } 56 WebImage()57 WebImage() { init(); } WebImage(const WebImage & image)58 WebImage(const WebImage& image) 59 { 60 init(); 61 assign(image); 62 } 63 64 WebImage& operator=(const WebImage& image) 65 { 66 assign(image); 67 return *this; 68 } 69 70 // Decodes the given image data. If the image has multiple frames, 71 // then the frame whose size is desiredSize is returned. Otherwise, 72 // the first frame is returned. 73 WEBKIT_API static WebImage fromData(const WebData&, const WebSize& desiredSize); 74 75 WEBKIT_API void reset(); 76 WEBKIT_API void assign(const WebImage&); 77 78 WEBKIT_API bool isNull() const; 79 WEBKIT_API WebSize size() const; 80 81 #if WEBKIT_IMPLEMENTATION 82 WebImage(const WTF::PassRefPtr<WebCore::Image>&); 83 WebImage& operator=(const WTF::PassRefPtr<WebCore::Image>&); 84 #endif 85 86 #if WEBKIT_USING_SKIA WebImage(const SkBitmap & bitmap)87 WebImage(const SkBitmap& bitmap) : m_bitmap(bitmap) { } 88 89 WebImage& operator=(const SkBitmap& bitmap) 90 { 91 m_bitmap = bitmap; 92 return *this; 93 } 94 getSkBitmap()95 SkBitmap& getSkBitmap() { return m_bitmap; } getSkBitmap()96 const SkBitmap& getSkBitmap() const { return m_bitmap; } 97 98 private: init()99 void init() { } 100 SkBitmap m_bitmap; 101 102 #elif WEBKIT_USING_CG WebImage(CGImageRef imageRef)103 WebImage(CGImageRef imageRef) 104 { 105 init(); 106 assign(imageRef); 107 } 108 109 WebImage& operator=(CGImageRef imageRef) 110 { 111 assign(imageRef); 112 return *this; 113 } 114 getCGImageRef()115 CGImageRef getCGImageRef() const { return m_imageRef; } 116 117 private: init()118 void init() { m_imageRef = 0; } 119 void assign(CGImageRef); 120 CGImageRef m_imageRef; 121 #endif 122 }; 123 124 } // namespace WebKit 125 126 #endif 127