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 /*
     Large image displaying library.
 
     Copyright (C) 2004,2005 Maks Orlovich (maksim@kde.org)
 
     Permission is hereby granted, free of charge, to any person obtaining a copy
     of this software and associated documentation files (the "Software"), to deal
     in the Software without restriction, including without limitation the rights
     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     copies of the Software, and to permit persons to whom the Software is
     furnished to do so, subject to the following conditions:
 
     The above copyright notice and this permission notice shall be included in
     all copies or substantial portions of the Software.
 
     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 */
 #ifndef PLANE_H
 #define PLANE_H
 
 #include "tile.h"
 
 namespace khtmlImLoad
 {
 
 /**
  All picture data, whether image or pixmap-related, logically
  denotes a plane: logically, some collection of tiles, which has
  some geometry. This class incorporates this abstraction, and
  provides helper methods for dealing with the tiles
 */
 class Plane
 {
 public:
     unsigned int width;  //width  in pixels
     unsigned int height; //height in pixels
     unsigned int tilesWidth;  //width  in tiles
     unsigned int tilesHeight; //height in tiles
 
     Plane(unsigned int _width, unsigned int _height)
     {
         width   = _width;
         height  = _height;
         tilesWidth  = (width  + Tile::TileSize - 1) / Tile::TileSize;
         tilesHeight = (height + Tile::TileSize - 1) / Tile::TileSize;
     }
 
     unsigned int tileWidth(unsigned int tileX)
     {
         if (tileX == (tilesWidth - 1)) {
             return width - tileX * Tile::TileSize;
         }
         return Tile::TileSize;
     }
 
     unsigned int tileHeight(unsigned int tileY)
     {
         if (tileY == (tilesHeight - 1)) {
             return height - tileY * Tile::TileSize;
         }
         return Tile::TileSize;
     }
 
 };
 
 }
 
 #endif