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