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72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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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 PLANE_H
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#define PLANE_H
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#include "tile.h"
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namespace khtmlImLoad {
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/**
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All picture data, whether image or pixmap-related, logically
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denotes a plane: logically, some collection of tiles, which has
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some geometry. This class incorporates this abstraction, and
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provides helper methods for dealing with the tiles
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*/
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class Plane
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{
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public:
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unsigned int width; //width in pixels
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unsigned int height; //height in pixels
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unsigned int tilesWidth; //width in tiles
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unsigned int tilesHeight; //height in tiles
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Plane(unsigned int _width, unsigned int _height)
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{
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width = _width;
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height = _height;
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tilesWidth = (width + Tile::TileSize - 1)/Tile::TileSize;
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tilesHeight = (height + Tile::TileSize - 1)/Tile::TileSize;
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}
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unsigned int tileWidth(unsigned int tileX)
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{
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if (tileX == (tilesWidth - 1))
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return width - tileX * Tile::TileSize;
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return Tile::TileSize;
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}
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unsigned int tileHeight(unsigned int tileY)
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{
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if (tileY == (tilesHeight - 1))
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return height - tileY * Tile::TileSize;
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return Tile::TileSize;
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}
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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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