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) Idiap Research Institute //
18 // Contact <francois.fleuret@idiap.ch> for comments & bug reports //
19 ///////////////////////////////////////////////////////////////////////////
23 An implementation of a gray-scale image with a minimum set of
32 #include "rgb_image.h"
35 class Image : public Storable {
38 unsigned char *_content;
41 inline int width() { return _width; }
42 inline int height() { return _height; }
44 inline unsigned char value(int x, int y) {
45 if(x >= 0 && x < _width && y >= 0 && y < _height)
46 return _content[x + (y * _width)];
51 inline void set_value(int x, int y, unsigned char v) {
52 if(x >= 0 && x < _width && y >= 0 && y < _height)
53 _content[x + (y * _width)] = v;
58 Image(int width, int height);
62 virtual void to_rgb(RGBImage *image);
64 virtual void read(istream *in);
65 virtual void write(ostream *out);