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77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
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/*
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Large image displaying library.
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Copyright (C) 2004,2005 Maks Orlovich (maksim@kde.org)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef RAW_IMAGE_PLANE_H
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#define RAW_IMAGE_PLANE_H
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#include "imageplane.h"
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#include <cstring>
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namespace khtmlImLoad {
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/**
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A raw image plane merely contains a QImage.
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*/
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class RawImagePlane: public ImagePlane
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{
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public:
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QImage image;
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unsigned char* versions; //Versions of scanlines --- node that this is is padded to be of width / by 64
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RawImagePlane(unsigned int _width, unsigned int _height, char initialVer = 0):
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ImagePlane(_width, _height)
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{
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versions = new unsigned char[tilesHeight * Tile::TileSize];
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std::memset(versions, initialVer, tilesHeight * Tile::TileSize);
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}
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~RawImagePlane()
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{
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delete[] versions;
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}
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virtual void flushCache()
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{} // Nothing caches
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/**
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Returns true if the given pixmap tile is up-to-date.
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Note that this should compare the information in the pixmap with ideal the
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up-to-date image using the decoding information thus far, and not
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with the state of the image proper. (Which might not even be in memory)
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*/
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virtual bool isUpToDate(unsigned int tileX, unsigned int tileY,
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PixmapTile* tile);
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/**
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Ensures that the given pixmap tile is up-to-date.
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*/
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virtual void ensureUpToDate(unsigned int tileX, unsigned int tileY,
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PixmapTile* tile);
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};
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}
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#endif
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// kate: indent-width 4; replace-tabs on; tab-width 4; space-indent on;
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