line_discrete_algorithm.hpp
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1 /*
2 ** TP CPE Lyon
3 ** Copyright (C) 2013 Damien Rohmer
4 **
5 ** This program is free software: you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation, either version 3 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
14 **
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18 
19 #ifndef LINE_DISCRETE_ALGORITHM_HPP
20 #define LINE_DISCRETE_ALGORITHM_HPP
21 
22 
23 
24 
25 namespace cpe
26 {
27 
28 class line_discrete;
29 class pos2;
30 
31 
33 line_discrete compute_line(const pos2& u0,const pos2& u1);
34 
38 line_discrete compute_line_vertical(int x,int y_min,int y_max);
39 
43 line_discrete compute_line_horizontal(int x_min,int x_max,int y);
44 
48 line_discrete compute_bresenham(int x0,int y0,int x1,int y1);
49 
53 line_discrete compute_line_diagonal(int x0,int y0,int x1,int y1);
54 
55 }
56 
57 #endif