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1 // GLUT frontend
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2 #ifdef USE_GLUT
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3
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4 #include <stdlib.h>
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5 #include "opengl.h"
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6
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7 #ifdef __APPLE__
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8 #include <GLUT/glut.h>
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9 #else
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10 #include <GL/glut.h>
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11 #endif
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12
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13 #include "dicomview.h"
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14 #include "opt.h"
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15
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16 static void display();
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17 static void reshape(int x, int y);
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18 static void key_down(unsigned char key, int x, int y);
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19 static void key_up(unsigned char key, int x, int y);
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20 static void mouse(int bn, int state, int x, int y);
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21 static void motion(int x, int y);
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22
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23 static int win_width, win_height;
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24
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25 int main(int argc, char **argv)
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26 {
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27 glutInit(&argc, argv);
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28
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29 if(parse_args(argc, argv) == -1) {
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30 return 1;
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31 }
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32
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33 glutInitWindowSize(opt.xsz, opt.ysz);
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34 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
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35 glutCreateWindow("dicom viewer");
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36
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37 glutDisplayFunc(display);
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38 glutReshapeFunc(reshape);
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39 glutKeyboardFunc(key_down);
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40 glutKeyboardUpFunc(key_up);
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41 glutMouseFunc(mouse);
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42 glutMotionFunc(motion);
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43
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44 glewInit();
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45
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46 if(init() == -1) {
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47 return 1;
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48 }
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49
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50 glutMainLoop();
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51 return 0;
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52 }
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53
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54 void swap_buffers()
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55 {
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56 glutSwapBuffers();
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57 }
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58
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59 void redisplay()
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60 {
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61 glutPostRedisplay();
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62 }
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63
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64 void quit()
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65 {
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66 cleanup();
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67 exit(0);
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68 }
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69
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70 void get_window_size(int *xsz, int *ysz)
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71 {
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72 *xsz = win_width;
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73 *ysz = win_height;
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74 }
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75
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76 static void display()
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77 {
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78 ev_display();
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79 }
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80
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81 static void reshape(int x, int y)
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82 {
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83 win_width = x;
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84 win_height = y;
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85 ev_reshape(x, y);
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86 }
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87
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88 static void key_down(unsigned char key, int x, int y)
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89 {
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90 ev_keyboard(key, 1, x, y);
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91 }
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92
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93 static void key_up(unsigned char key, int x, int y)
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94 {
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95 ev_keyboard(key, 0, x, y);
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96 }
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97
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98 static void mouse(int bn, int state, int x, int y)
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99 {
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100 ev_mouse_button(bn - GLUT_LEFT_BUTTON, state == GLUT_DOWN ? 1 : 0, x, y);
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101 }
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102
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103 static void motion(int x, int y)
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104 {
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105 ev_mouse_motion(x, y);
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106 }
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107
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108 #endif // USE_GLUT
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