1 /* 2 * Copyright 2012, The Android Open Source Project 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 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 PicturePileLayerContent_h 27 #define PicturePileLayerContent_h 28 29 #include "LayerContent.h" 30 #include "PicturePile.h" 31 32 namespace WebCore { 33 34 class PicturePileLayerContent : public LayerContent { 35 public: 36 PicturePileLayerContent(const PicturePile& picturePile); 37 38 // return 0 when no content, so don't have to paint 39 virtual int width() { return m_hasContent ? m_picturePile.size().width() : 0; } 40 virtual int height() { return m_hasContent ? m_picturePile.size().height() : 0; } 41 42 virtual void setCheckForOptimisations(bool check) {} 43 virtual void checkForOptimisations() {} // already performed, stored in m_hasText/m_hasContent 44 virtual float maxZoomScale() { return m_maxZoomScale; } 45 virtual void draw(SkCanvas* canvas); 46 virtual void serialize(SkWStream* stream); 47 virtual PrerenderedInval* prerenderForRect(const IntRect& dirty); 48 virtual void clearPrerenders(); 49 PicturePile* picturePile() { return &m_picturePile; } 50 51 private: 52 PicturePile m_picturePile; 53 float m_maxZoomScale; 54 bool m_hasContent; 55 }; 56 57 } // WebCore 58 59 #endif // PicturePileLayerContent_h 60
