2 //////////////////////////////////////////////////////////////////////////////////
3 // This program is free software: you can redistribute it and/or modify //
4 // it under the terms of the version 3 of the GNU General Public License //
5 // as published by the Free Software Foundation. //
7 // This program is distributed in the hope that it will be useful, but //
8 // WITHOUT ANY WARRANTY; without even the implied warranty of //
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU //
10 // General Public License for more details. //
12 // You should have received a copy of the GNU General Public License //
13 // along with this program. If not, see <http://www.gnu.org/licenses/>. //
15 // Written by Francois Fleuret //
16 // (C) Ecole Polytechnique Federale de Lausanne //
17 // Contact <pom@epfl.ch> for comments & bug reports //
18 //////////////////////////////////////////////////////////////////////////////////
30 unsigned char ***_bit_plans, **_bit_lines, *_bit_map;
31 static const int RED = 0;
32 static const int GREEN = 1;
33 static const int BLUE = 2;
34 static const int RGB_DEPTH = 3;
42 RGBImage(int width, int height);
45 inline int width() const { return _width; }
46 inline int height() const { return _height; }
48 inline void set_pixel(int x, int y, unsigned char r, unsigned char g, unsigned char b) {
49 ASSERT(x >= 0 && x < _width && y >= 0 && y < _height, "Out of bounds.");
50 _bit_plans[RED][y][x] = r;
51 _bit_plans[GREEN][y][x] = g;
52 _bit_plans[BLUE][y][x] = b;
55 inline unsigned char pixel(int x, int y, int d) const {
56 ASSERT(x >= 0 && x < _width && y >= 0 && y < _height && d >= 0 && d < RGB_DEPTH, "Out of bounds.");
57 return _bit_plans[d][y][x];
60 virtual void read_ppm(const char *filename);
61 virtual void write_ppm(const char *filename);
63 virtual void read_png(const char *filename);
64 virtual void write_png(const char *filename);