1 /* 2 * Copyright (C) 2012 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 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 ScaledImageFragment_h 27 #define ScaledImageFragment_h 28 29 #include "SkBitmap.h" 30 #include "SkRect.h" 31 #include "SkSize.h" 32 33 #include "platform/PlatformExport.h" 34 #include "wtf/PassOwnPtr.h" 35 36 namespace WebCore { 37 38 // ScaledImageFragment is a scaled version of an image. 39 class PLATFORM_EXPORT ScaledImageFragment { 40 public: 41 enum ImageGeneration { 42 CompleteImage = 0, 43 FirstPartialImage = 1, 44 }; 45 createComplete(const SkISize & scaledSize,size_t index,const SkBitmap & bitmap)46 static PassOwnPtr<ScaledImageFragment> createComplete(const SkISize& scaledSize, size_t index, const SkBitmap& bitmap) 47 { 48 return adoptPtr(new ScaledImageFragment(scaledSize, index, CompleteImage, bitmap)); 49 } 50 createPartial(const SkISize & scaledSize,size_t index,size_t generation,const SkBitmap & bitmap)51 static PassOwnPtr<ScaledImageFragment> createPartial(const SkISize& scaledSize, size_t index, size_t generation, const SkBitmap& bitmap) 52 { 53 return adoptPtr(new ScaledImageFragment(scaledSize, index, generation, bitmap)); 54 } 55 56 ScaledImageFragment(const SkISize&, size_t index, size_t generation, const SkBitmap&); 57 ~ScaledImageFragment(); 58 scaledSize()59 const SkISize& scaledSize() const { return m_scaledSize; } index()60 size_t index() const { return m_index; } generation()61 size_t generation() const { return m_generation; } isComplete()62 bool isComplete() const { return m_generation == CompleteImage; } bitmap()63 const SkBitmap& bitmap() const { return m_bitmap; } bitmap()64 SkBitmap& bitmap() { return m_bitmap; } 65 66 private: 67 SkISize m_scaledSize; 68 size_t m_index; 69 size_t m_generation; 70 SkBitmap m_bitmap; 71 }; 72 73 } // namespace WebCore 74 75 #endif 76