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 version 3 as
13 * published by the Free Software Foundation.
15 * folded-ctf is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with folded-ctf. If not, see <http://www.gnu.org/licenses/>.
27 Same as RGBImage, but with sub-pixel resolution to produce nifty
28 smoothing in the drawings.
32 #ifndef RGB_IMAGE_SUBPIXEL_H
33 #define RGB_IMAGE_SUBPIXEL_H
36 #include "rgb_image.h"
38 class RGBImageSubpixel : public RGBImage {
39 static const int scale = 8;
42 RGBImageSubpixel(int width, int height);
43 RGBImageSubpixel(RGBImage *image);
44 virtual ~RGBImageSubpixel();
46 inline int width() const { return _width / scale; }
47 inline int height() const { return _height / scale; }
49 virtual void read_png(const char *filename);
50 virtual void write_png(const char *filename);
52 virtual void read_jpg(const char *filename);
53 virtual void write_jpg(const char *filename, int quality);
55 virtual void draw_line(int thickness,
56 unsigned char r, unsigned char g, unsigned char b,
57 scalar_t x0, scalar_t y0, scalar_t x1, scalar_t y1);