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 #include "WebVector.h" 36 37 #include "third_party/skia/include/core/SkBitmap.h" 38 39 #if INSIDE_BLINK 40 namespace WTF { template <typename T> class PassRefPtr; } 41 #endif 42 43 namespace blink { 44 45 class Image; 46 class WebData; 47 struct WebSize; 48 49 // A container for an ARGB bitmap. 50 class WebImage { 51 public: ~WebImage()52 ~WebImage() { reset(); } 53 WebImage()54 WebImage() { init(); } WebImage(const WebImage & image)55 WebImage(const WebImage& image) 56 { 57 init(); 58 assign(image); 59 } 60 61 WebImage& operator=(const WebImage& image) 62 { 63 assign(image); 64 return *this; 65 } 66 67 // Decodes the given image data. If the image has multiple frames, 68 // then the frame whose size is desiredSize is returned. Otherwise, 69 // the first frame is returned. 70 BLINK_PLATFORM_EXPORT static WebImage fromData(const WebData&, const WebSize& desiredSize); 71 72 // Returns a list of all frames in the image. Only the first frame at each pixel 73 // size will be returned. 74 BLINK_PLATFORM_EXPORT static WebVector<WebImage> framesFromData(const WebData&); 75 76 BLINK_PLATFORM_EXPORT void reset(); 77 BLINK_PLATFORM_EXPORT void assign(const WebImage&); 78 79 BLINK_PLATFORM_EXPORT bool isNull() const; 80 BLINK_PLATFORM_EXPORT WebSize size() const; 81 82 #if INSIDE_BLINK 83 BLINK_PLATFORM_EXPORT WebImage(const WTF::PassRefPtr<Image>&); 84 BLINK_PLATFORM_EXPORT WebImage& operator=(const WTF::PassRefPtr<Image>&); 85 #endif 86 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 }; 102 103 } // namespace blink 104 105 #endif 106