glamtk

view test.c @ 11:0f426edc2245

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foo bar
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 18 Jun 2011 07:42:17 +0300
parents cd00a5775373
children
line source
1 /* foo bar */
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <assert.h>
5 #ifndef __APPLE__
6 #include <GL/glut.h>
7 #else
8 #include <GLUT/glut.h>
9 #endif
10 #include "imtk.h"
11
12 void disp(void);
13 void gui(void);
14 void reshape(int x, int y);
15 void keyb(unsigned char key, int x, int y);
16 void keyb_up(unsigned char key, int x, int y);
17 void skeyb(int key, int x, int y);
18 void skeyb_up(int key, int x, int y);
19 void mouse(int bn, int state, int x, int y);
20 void motion(int x, int y);
21
22 int xsz, ysz;
23 float angle;
24 int objsel;
25
26 int main(int argc, char **argv)
27 {
28 float lpos[] = {-1, 1, 1, 0};
29 float white[] = {1, 1, 1, 1};
30 float color[] = {0.9, 0.8, 0.73, 1};
31
32 glutInitWindowSize(800, 600);
33 glutInit(&argc, argv);
34 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
35 glutCreateWindow("imgui test");
36
37 glutDisplayFunc(disp);
38 glutReshapeFunc(reshape);
39 glutKeyboardFunc(keyb);
40 glutKeyboardUpFunc(keyb_up);
41 glutSpecialFunc(skeyb);
42 glutSpecialUpFunc(skeyb_up);
43 glutMouseFunc(mouse);
44 glutMotionFunc(motion);
45 glutPassiveMotionFunc(motion);
46
47 glEnable(GL_DEPTH_TEST);
48 glEnable(GL_CULL_FACE);
49 glEnable(GL_LIGHTING);
50 glEnable(GL_LIGHT0);
51 glLightfv(GL_LIGHT0, GL_POSITION, lpos);
52
53 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
54 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
55 glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 60.0);
56
57 glutMainLoop();
58 return 0;
59 }
60
61 void disp(void)
62 {
63 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
64
65 glPushAttrib(GL_ENABLE_BIT);
66 glDisable(GL_LIGHTING);
67 glDisable(GL_DEPTH_TEST);
68
69 glMatrixMode(GL_MODELVIEW);
70 glLoadIdentity();
71
72 glMatrixMode(GL_PROJECTION);
73 glPushMatrix();
74 glLoadIdentity();
75
76 glBegin(GL_QUADS);
77 glColor3f(0.2, 0.3, 0.7);
78 glVertex2f(1, 1);
79 glVertex2f(-1, 1);
80 glColor3f(0.7, 0.3, 0.2);
81 glVertex2f(-1, -1);
82 glVertex2f(1, -1);
83 glEnd();
84
85 glPopMatrix();
86 glMatrixMode(GL_MODELVIEW);
87
88 glPopAttrib();
89
90 glTranslatef(0, 0, -8);
91 glRotatef(25, 1, 0, 0);
92 glRotatef(angle, 0, 1, 0);
93
94 switch(objsel) {
95 case 0:
96 glFrontFace(GL_CW);
97 glutSolidTeapot(1.0);
98 glFrontFace(GL_CCW);
99 break;
100
101 case 1:
102 glutSolidTorus(0.5, 1, 12, 24);
103 break;
104
105 case 2:
106 glutSolidSphere(1.0, 24, 12);
107 break;
108
109 default:
110 break;
111 }
112
113
114 gui();
115
116 glutSwapBuffers();
117 assert(glGetError() == GL_NO_ERROR);
118 }
119
120 void gui(void)
121 {
122 static int bnshow = 1;
123 static char textbuf[256];
124 static char textbuf2[256];
125 static float val;
126 static int prev_sel;
127 char *itemlist;
128
129 imtk_begin();
130
131 if(imtk_button(IMUID, "red", 30, 50)) {
132 float color[] = {1, 0.4, 0.3, 1};
133 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
134 glutPostRedisplay();
135 }
136 if(imtk_button(IMUID, "blue", 30, 80)) {
137 float color[] = {0.3, 0.4, 1, 1};
138 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
139 glutPostRedisplay();
140 }
141
142 itemlist = imtk_create_list("teapot", "torus", "sphere", NULL);
143 if((objsel = imtk_listbox(IMUID, itemlist, prev_sel, 30, 120)) != prev_sel) {
144 prev_sel = objsel;
145 glutPostRedisplay();
146 }
147 imtk_free_list(itemlist);
148
149 imtk_textbox(IMUID, textbuf, sizeof textbuf, 30, 200);
150 imtk_textbox(IMUID, textbuf2, sizeof textbuf2, 30, 250);
151
152 if((bnshow = imtk_checkbox(IMUID, "show hidden button", 30, 300, bnshow))) {
153 if(imtk_button(IMUID, "yellow", 50, 340)) {
154 float color[] = {0.8, 0.75, 0.3, 1};
155 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
156 glutPostRedisplay();
157 }
158 }
159
160 val = imtk_slider(IMUID, angle, 0.0, 360.0, 30, 390);
161 if(val != angle) {
162 angle = val;
163 glutPostRedisplay();
164 }
165
166 imtk_progress(IMUID, val / 360.0, 30, 420);
167
168 if(imtk_button(IMUID, "Quit", 30, 500)) {
169 exit(0);
170 }
171
172 imtk_end();
173 }
174
175 void reshape(int x, int y)
176 {
177 xsz = x;
178 ysz = y;
179
180 glViewport(0, 0, x, y);
181 imtk_inp_reshape(x, y);
182
183 glMatrixMode(GL_PROJECTION);
184 glLoadIdentity();
185 gluPerspective(45.0, (float)x / (float)y, 1.0, 1000.0);
186 }
187
188 void keyb(unsigned char key, int x, int y)
189 {
190 switch(key) {
191 case 27:
192 exit(0);
193
194 default:
195 break;
196 }
197
198 imtk_inp_key(key, IMTK_DOWN);
199 }
200
201 void keyb_up(unsigned char key, int x, int y)
202 {
203 imtk_inp_key(key, IMTK_UP);
204 }
205
206 void skeyb(int key, int x, int y)
207 {
208 imtk_inp_key(key, IMTK_DOWN);
209 }
210
211 void skeyb_up(int key, int x, int y)
212 {
213 imtk_inp_key(key, IMTK_UP);
214 }
215
216 void mouse(int bn, int state, int x, int y)
217 {
218 imtk_inp_mouse(bn, state == GLUT_DOWN ? IMTK_DOWN : IMTK_UP);
219 }
220
221 void motion(int x, int y)
222 {
223 imtk_inp_motion(x, y);
224 }