File indexing completed on 2024-12-08 12:19:27
0001 /* 0002 Large image displaying library. 0003 0004 Copyright (C) 2004,2005 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 RAW_IMAGE_PLANE_H 0025 #define RAW_IMAGE_PLANE_H 0026 0027 #include "imageplane.h" 0028 #include <cstring> 0029 0030 namespace khtmlImLoad 0031 { 0032 0033 /** 0034 A raw image plane merely contains a QImage. 0035 */ 0036 class RawImagePlane: public ImagePlane 0037 { 0038 public: 0039 QImage image; 0040 unsigned char *versions; //Versions of scanlines --- node that this is is padded to be of width / by 64 0041 0042 RawImagePlane(unsigned int _width, unsigned int _height, char initialVer = 0): 0043 ImagePlane(_width, _height) 0044 { 0045 versions = new unsigned char[tilesHeight * Tile::TileSize]; 0046 std::memset(versions, initialVer, tilesHeight * Tile::TileSize); 0047 } 0048 0049 ~RawImagePlane() 0050 { 0051 delete[] versions; 0052 } 0053 0054 void flushCache() override 0055 {} // Nothing caches 0056 0057 /** 0058 Returns true if the given pixmap tile is up-to-date. 0059 Note that this should compare the information in the pixmap with ideal the 0060 up-to-date image using the decoding information thus far, and not 0061 with the state of the image proper. (Which might not even be in memory) 0062 */ 0063 virtual bool isUpToDate(unsigned int tileX, unsigned int tileY, 0064 PixmapTile *tile) override; 0065 0066 /** 0067 Ensures that the given pixmap tile is up-to-date. 0068 */ 0069 virtual void ensureUpToDate(unsigned int tileX, unsigned int tileY, 0070 PixmapTile *tile) override; 0071 0072 }; 0073 0074 } 0075 0076 #endif