File indexing completed on 2025-04-20 12:22:39
0001 /* 0002 KHTML image displaying library. 0003 0004 Copyright (C) 2007 Maks Orlovich (maksim@kde.org) 0005 0006 Permission is hereby granted, free of charge, to any person obtaining a copy 0007 of this software and associated documentation files (the "Software"), to deal 0008 in the Software without restriction, including without limitation the rights 0009 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 0010 copies of the Software, and to permit persons to whom the Software is 0011 furnished to do so, subject to the following conditions: 0012 0013 The above copyright notice and this permission notice shall be included in 0014 all copies or substantial portions of the Software. 0015 0016 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 0017 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 0018 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 0019 AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 0020 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 0021 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 0022 0023 */ 0024 #ifndef IMLOAD_CANVAS_IMAGE_H 0025 #define IMLOAD_CANVAS_IMAGE_H 0026 0027 class QImage; 0028 0029 #include "image.h" 0030 0031 namespace khtmlImLoad 0032 { 0033 0034 /** 0035 A CanvasImage encapsulates a QImage that will be painted on externally, 0036 in order to permit scaling of it. When drawing happens, however, the client must call the 0037 contentUpdated() method to avoid out-of-date data being painted. 0038 */ 0039 class CanvasImage : public Image 0040 { 0041 public: 0042 CanvasImage(int width, int height); 0043 void contentUpdated(); 0044 void resizeImage(int width, int height); 0045 private: 0046 void setupOriginalPlane(int width, int height); 0047 void flushAllCaches(); 0048 static ImageOwner *trivialOwner(); 0049 static ImageOwner *s_trivialOwner; 0050 }; 0051 0052 } 0053 0054 #endif