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1 /*
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2 curvedraw - a simple program to draw curves
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3 Copyright (C) 2015 John Tsiombikas <nuclear@member.fsf.org>
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation, either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18 #include <stdio.h>
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19 #include <stdlib.h>
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20 #ifdef __APPLE__
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21 #include <GLUT/glut.h>
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22 #else
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23 #include <GL/glut.h>
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24 #endif
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25 #include "app.h"
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26
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27 static void display();
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28 static void keydown(unsigned char key, int x, int y);
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29 static void keyup(unsigned char key, int x, int y);
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30 static void mouse(int bn, int st, int x, int y);
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31
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32 int main(int argc, char **argv)
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33 {
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34 glutInit(&argc, argv);
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35 glutInitWindowSize(1280, 720);
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36 glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_MULTISAMPLE);
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37 glutCreateWindow("Curve Draw");
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38
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39 glutDisplayFunc(display);
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40 glutReshapeFunc(app_reshape);
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41 glutKeyboardFunc(keydown);
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42 glutKeyboardUpFunc(keyup);
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43 glutMouseFunc(mouse);
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44 glutMotionFunc(app_mouse_motion);
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45 glutPassiveMotionFunc(app_mouse_motion);
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46
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47 if(!app_init(argc, argv)) {
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48 return 1;
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49 }
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50 atexit(app_cleanup);
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51
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52 glutMainLoop();
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53 return 0;
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54 }
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55
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56 void post_redisplay()
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57 {
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58 glutPostRedisplay();
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59 }
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60
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61 static void display()
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62 {
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63 app_draw();
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64 glutSwapBuffers();
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65 }
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66
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67 static void keydown(unsigned char key, int x, int y)
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68 {
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69 app_keyboard(key, true);
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70 }
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71
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72 static void keyup(unsigned char key, int x, int y)
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73 {
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74 app_keyboard(key, false);
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75 }
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76
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77 static void mouse(int bn, int st, int x, int y)
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78 {
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79 app_mouse_button(bn - GLUT_LEFT_BUTTON, st == GLUT_DOWN, x, y);
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80 }
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