| rev |
line source |
|
eleni@0
|
1 #include <GL/glew.h>
|
|
eleni@0
|
2 #include <GL/glut.h>
|
|
eleni@0
|
3
|
|
eleni@0
|
4 #include <stdio.h>
|
|
eleni@0
|
5 #include <assert.h>
|
|
eleni@0
|
6
|
|
eleni@1
|
7 #include "image.h"
|
|
eleni@1
|
8
|
|
eleni@0
|
9 //static void init(void);
|
|
eleni@0
|
10 static void display(void);
|
|
eleni@0
|
11 static void reshape(int x, int y);
|
|
eleni@0
|
12 static void keyboard(unsigned char key, int x, int y);
|
|
eleni@0
|
13 static void mouse(int button, int state, int x, int y);
|
|
eleni@0
|
14 static void motion(int x, int y);
|
|
eleni@0
|
15
|
|
eleni@0
|
16 static int win_xsz, win_ysz;
|
|
eleni@0
|
17
|
|
eleni@1
|
18 /////////////////////////////
|
|
eleni@1
|
19 // debug TODO remove
|
|
eleni@1
|
20 ////////////////////////////
|
|
eleni@1
|
21 static bool init();
|
|
eleni@1
|
22 Image img;
|
|
eleni@1
|
23 unsigned int tex;
|
|
eleni@1
|
24
|
|
eleni@0
|
25 int main(int argc, char **argv)
|
|
eleni@0
|
26 {
|
|
eleni@0
|
27 glutInit(&argc, argv);
|
|
eleni@0
|
28 glutInitWindowSize(1280, 720);
|
|
eleni@0
|
29 glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
|
|
eleni@0
|
30
|
|
eleni@0
|
31 //TODO parse arguments
|
|
eleni@0
|
32
|
|
eleni@0
|
33 glutCreateWindow("My Colonoscopie OEO!");
|
|
eleni@0
|
34
|
|
eleni@0
|
35 glutDisplayFunc(display);
|
|
eleni@0
|
36 glutReshapeFunc(reshape);
|
|
eleni@0
|
37 glutKeyboardFunc(keyboard);
|
|
eleni@0
|
38 glutMouseFunc(mouse);
|
|
eleni@0
|
39 glutMotionFunc(motion);
|
|
eleni@0
|
40
|
|
eleni@0
|
41 glewInit();
|
|
eleni@1
|
42 if(!init()) {
|
|
eleni@1
|
43 fprintf(stderr, "Failed to initialize La votre Colonoscopie\n");
|
|
eleni@1
|
44 return 1;
|
|
eleni@1
|
45 }
|
|
eleni@0
|
46
|
|
eleni@0
|
47 //call init
|
|
eleni@0
|
48
|
|
eleni@0
|
49 glutMainLoop();
|
|
eleni@0
|
50 return 0;
|
|
eleni@0
|
51 }
|
|
eleni@0
|
52
|
|
eleni@0
|
53 void display(void)
|
|
eleni@0
|
54 {
|
|
eleni@0
|
55 //render
|
|
eleni@1
|
56 glBindTexture(GL_TEXTURE_2D, tex);
|
|
eleni@1
|
57 glEnable(GL_TEXTURE_2D);
|
|
eleni@1
|
58 glBegin(GL_QUADS);
|
|
eleni@1
|
59 glTexCoord2f(0, 0); glVertex3f(-1, -1, 0);
|
|
eleni@1
|
60 glTexCoord2f(0, 1); glVertex3f(-1, 1, 0);
|
|
eleni@1
|
61 glTexCoord2f(1, 1); glVertex3f(1, 1, 0);
|
|
eleni@1
|
62 glTexCoord2f(1, 0); glVertex3f(1, -1, 0);
|
|
eleni@1
|
63 glEnd();
|
|
eleni@1
|
64 glDisable(GL_TEXTURE_2D);
|
|
eleni@0
|
65
|
|
eleni@0
|
66 glutSwapBuffers();
|
|
eleni@0
|
67 assert(glGetError() == GL_NO_ERROR);
|
|
eleni@0
|
68 }
|
|
eleni@0
|
69
|
|
eleni@0
|
70 void reshape(int x, int y)
|
|
eleni@0
|
71 {
|
|
eleni@0
|
72 glViewport(0, 0, x, y);
|
|
eleni@0
|
73 if(x != win_xsz || y != win_ysz) {
|
|
eleni@0
|
74 //TODO raytex_needs_recalc = 1;
|
|
eleni@0
|
75 win_xsz = x;
|
|
eleni@0
|
76 win_ysz = y;
|
|
eleni@0
|
77 }
|
|
eleni@0
|
78 }
|
|
eleni@0
|
79
|
|
eleni@0
|
80 void keyboard(unsigned char key, int x, int y)
|
|
eleni@0
|
81 {
|
|
eleni@0
|
82 switch(key) {
|
|
eleni@0
|
83 case 27:
|
|
eleni@0
|
84 exit(0);
|
|
eleni@0
|
85 default:
|
|
eleni@0
|
86 break;
|
|
eleni@0
|
87 }
|
|
eleni@0
|
88 }
|
|
eleni@0
|
89
|
|
eleni@0
|
90 static int prev_x, prev_y;
|
|
eleni@0
|
91 void mouse(int bn, int state, int x, int y)
|
|
eleni@0
|
92 {
|
|
eleni@0
|
93 prev_x = x;
|
|
eleni@0
|
94 prev_y = y;
|
|
eleni@0
|
95 }
|
|
eleni@0
|
96
|
|
eleni@0
|
97 void motion(int x, int y)
|
|
eleni@0
|
98 {
|
|
eleni@0
|
99 int dx = x - prev_x;
|
|
eleni@0
|
100 int dy = y - prev_y;
|
|
eleni@0
|
101 prev_x = x;
|
|
eleni@0
|
102 prev_y = y;
|
|
eleni@0
|
103 }
|
|
eleni@1
|
104
|
|
eleni@1
|
105 bool init()
|
|
eleni@1
|
106 {
|
|
eleni@1
|
107 if(!img.load("data/la_colonoscopie/IM-0001-0248.png")) {
|
|
eleni@1
|
108 fprintf(stderr, "Failed to load votre Colonoscopie\n");
|
|
eleni@1
|
109 return false;
|
|
eleni@1
|
110 }
|
|
eleni@1
|
111
|
|
eleni@1
|
112 glGenTextures(1, &tex);
|
|
eleni@1
|
113 glBindTexture(GL_TEXTURE_2D, tex);
|
|
eleni@1
|
114 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
eleni@1
|
115 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
eleni@1
|
116 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE16F_ARB, img.get_width(),
|
|
eleni@1
|
117 img.get_height(), 0, GL_LUMINANCE, GL_FLOAT, img.get_pixels());
|
|
eleni@1
|
118
|
|
eleni@1
|
119 return true;
|
|
eleni@1
|
120 }
|
