2 * folded-ctf is an implementation of the folded hierarchy of
3 * classifiers for object detection, developed by Francois Fleuret
6 * Copyright (c) 2008 Idiap Research Institute, http://www.idiap.ch/
7 * Written by Francois Fleuret <francois.fleuret@idiap.ch>
9 * This file is part of folded-ctf.
11 * folded-ctf is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published
13 * by the Free Software Foundation, either version 3 of the License,
14 * or (at your option) any later version.
16 * folded-ctf is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with folded-ctf. If not, see <http://www.gnu.org/licenses/>.
28 Same as RGBImage, but with sub-pixel resolution to produce nifty
29 smoothing in the drawings.
33 #ifndef RGB_IMAGE_SUBPIXEL_H
34 #define RGB_IMAGE_SUBPIXEL_H
37 #include "rgb_image.h"
39 class RGBImageSubpixel : public RGBImage {
40 static const int scale = 8;
43 RGBImageSubpixel(int width, int height);
44 RGBImageSubpixel(RGBImage *image);
45 virtual ~RGBImageSubpixel();
47 inline int width() const { return _width / scale; }
48 inline int height() const { return _height / scale; }
50 virtual void read_png(const char *filename);
51 virtual void write_png(const char *filename);
53 virtual void read_jpg(const char *filename);
54 virtual void write_jpg(const char *filename, int quality);
56 virtual void draw_line(int thickness,
57 unsigned char r, unsigned char g, unsigned char b,
58 scalar_t x0, scalar_t y0, scalar_t x1, scalar_t y1);