KHtml

plane.h
1 /*
2  Large image displaying library.
3 
4  Copyright (C) 2004,2005 Maks Orlovich ([email protected])
5 
6  Permission is hereby granted, free of charge, to any person obtaining a copy
7  of this software and associated documentation files (the "Software"), to deal
8  in the Software without restriction, including without limitation the rights
9  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  copies of the Software, and to permit persons to whom the Software is
11  furnished to do so, subject to the following conditions:
12 
13  The above copyright notice and this permission notice shall be included in
14  all copies or substantial portions of the Software.
15 
16  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20  AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 
23 */
24 #ifndef PLANE_H
25 #define PLANE_H
26 
27 #include "tile.h"
28 
29 namespace khtmlImLoad
30 {
31 
38 class Plane
39 {
40 public:
41  unsigned int width; //width in pixels
42  unsigned int height; //height in pixels
43  unsigned int tilesWidth; //width in tiles
44  unsigned int tilesHeight; //height in tiles
45 
46  Plane(unsigned int _width, unsigned int _height)
47  {
48  width = _width;
49  height = _height;
50  tilesWidth = (width + Tile::TileSize - 1) / Tile::TileSize;
51  tilesHeight = (height + Tile::TileSize - 1) / Tile::TileSize;
52  }
53 
54  unsigned int tileWidth(unsigned int tileX)
55  {
56  if (tileX == (tilesWidth - 1)) {
57  return width - tileX * Tile::TileSize;
58  }
59  return Tile::TileSize;
60  }
61 
62  unsigned int tileHeight(unsigned int tileY)
63  {
64  if (tileY == (tilesHeight - 1)) {
65  return height - tileY * Tile::TileSize;
66  }
67  return Tile::TileSize;
68  }
69 
70 };
71 
72 }
73 
74 #endif
All picture data, whether image or pixmap-related, logically denotes a plane: logically, some collection of tiles, which has some geometry.
Definition: plane.h:38
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