imtk
view test.c @ 13:9c7987064bb0
- fixed the frame drawing a bit
- added global alpha value and various drawing parameters
- backported the checkbox check mark from glamtk
- fixed progress bar drawing so that the bevels of the trough and the bar won't overlap
| author | John Tsiombikas <nuclear@siggraph.org> |
|---|---|
| date | Mon, 18 Apr 2011 06:15:46 +0300 |
| parents | 467a520f5c00 |
| children | df2bc9406561 |
line source
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <assert.h>
4 #ifndef __APPLE__
5 #include <GL/glut.h>
6 #else
7 #include <GLUT/glut.h>
8 #endif
9 #include "imtk.h"
11 void disp(void);
12 void gui(void);
13 void reshape(int x, int y);
14 void keyb(unsigned char key, int x, int y);
15 void keyb_up(unsigned char key, int x, int y);
16 void skeyb(int key, int x, int y);
17 void skeyb_up(int key, int x, int y);
18 void mouse(int bn, int state, int x, int y);
19 void motion(int x, int y);
21 int xsz, ysz;
22 float angle;
23 int objsel;
25 int main(int argc, char **argv)
26 {
27 float lpos[] = {-1, 1, 1, 0};
28 float white[] = {1, 1, 1, 1};
29 float color[] = {0.9, 0.8, 0.73, 1};
31 glutInitWindowSize(800, 600);
32 glutInit(&argc, argv);
33 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
34 glutCreateWindow("imgui test");
36 glutDisplayFunc(disp);
37 glutReshapeFunc(reshape);
38 glutKeyboardFunc(keyb);
39 glutKeyboardUpFunc(keyb_up);
40 glutSpecialFunc(skeyb);
41 glutSpecialUpFunc(skeyb_up);
42 glutMouseFunc(mouse);
43 glutMotionFunc(motion);
44 glutPassiveMotionFunc(motion);
46 glEnable(GL_DEPTH_TEST);
47 glEnable(GL_CULL_FACE);
48 glEnable(GL_LIGHTING);
49 glEnable(GL_LIGHT0);
50 glLightfv(GL_LIGHT0, GL_POSITION, lpos);
52 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
53 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
54 glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 60.0);
56 /*imtk_set_color(IMTK_BEVEL_LIT_COLOR, 0.3, 0.3, 0.3, 0.5);
57 imtk_set_color(IMTK_BEVEL_SHAD_COLOR, 0.3, 0.3, 0.3, 0.5);*/
59 glutMainLoop();
60 return 0;
61 }
63 void disp(void)
64 {
65 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
67 glMatrixMode(GL_MODELVIEW);
68 glLoadIdentity();
69 glMatrixMode(GL_PROJECTION);
70 glPushMatrix();
71 glLoadIdentity();
73 glPushAttrib(GL_ENABLE_BIT);
74 glDisable(GL_LIGHTING);
75 glDisable(GL_DEPTH_TEST);
77 glBegin(GL_QUADS);
78 glColor3f(0.3, 0.4, 0.8);
79 glVertex2f(-1, -1);
80 glVertex2f(1, -1);
81 glColor3f(0.7, 0.3, 0.2);
82 glVertex2f(1, 1);
83 glVertex2f(-1, 1);
84 glEnd();
86 glPopAttrib();
87 glPopMatrix();
89 glMatrixMode(GL_MODELVIEW);
90 glLoadIdentity();
91 glTranslatef(0, 0, -4);
92 glRotatef(25, 1, 0, 0);
93 glRotatef(angle, 0, 1, 0);
95 switch(objsel) {
96 case 0:
97 glFrontFace(GL_CW);
98 glutSolidTeapot(1.0);
99 glFrontFace(GL_CCW);
100 break;
102 case 1:
103 glutSolidTorus(0.5, 1, 12, 24);
104 break;
106 case 2:
107 glutSolidSphere(1.0, 24, 12);
108 break;
110 default:
111 break;
112 }
115 gui();
117 glutSwapBuffers();
118 assert(glGetError() == GL_NO_ERROR);
119 }
121 void gui(void)
122 {
123 static int bnshow;
124 static char textbuf[256];
125 static char textbuf2[256];
126 static float val;
127 static int prev_sel = 0;
128 char *itemlist;
130 imtk_begin();
132 /*glBegin(GL_QUADS);
133 glColor3f(0.6, 0.6, 0.6);
134 glVertex2f(0, 0);
135 glVertex2f(200, 0);
136 glVertex2f(200, glutGet(GLUT_WINDOW_HEIGHT));
137 glVertex2f(0, glutGet(GLUT_WINDOW_HEIGHT));
138 glEnd();*/
140 if(imtk_button(IMUID, "red", 30, 50)) {
141 float color[] = {1, 0.4, 0.3, 1};
142 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
143 glutPostRedisplay();
144 }
145 if(imtk_button(IMUID, "blue", 30, 80)) {
146 float color[] = {0.3, 0.4, 1, 1};
147 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
148 glutPostRedisplay();
149 }
151 itemlist = imtk_create_list("teapot", "torus", "sphere", NULL);
152 if((objsel = imtk_listbox(IMUID, itemlist, prev_sel, 30, 120)) != prev_sel) {
153 prev_sel = objsel;
154 glutPostRedisplay();
155 }
156 imtk_free_list(itemlist);
158 imtk_textbox(IMUID, textbuf, sizeof textbuf, 30, 200);
159 imtk_textbox(IMUID, textbuf2, sizeof textbuf2, 30, 250);
161 if((bnshow = imtk_checkbox(IMUID, "show hidden button", 30, 300, bnshow))) {
162 if(imtk_button(IMUID, "yellow", 50, 340)) {
163 float color[] = {0.8, 0.75, 0.3, 1};
164 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
165 glutPostRedisplay();
166 }
167 }
169 val = imtk_slider(IMUID, angle, 0.0, 360.0, 30, 390);
170 if(val != angle) {
171 angle = val;
172 glutPostRedisplay();
173 }
175 imtk_progress(IMUID, val / 360.0, 30, 420);
177 imtk_label("alpha:", 24, 473);
178 imtk_set_alpha(imtk_slider(IMUID, imtk_get_alpha(), 0.0, 1.0, 60, 470));
180 if(imtk_button(IMUID, "Quit", 30, 500)) {
181 exit(0);
182 }
184 imtk_end();
185 }
187 void reshape(int x, int y)
188 {
189 xsz = x;
190 ysz = y;
192 glViewport(0, 0, x, y);
193 imtk_set_viewport(x, y);
195 glMatrixMode(GL_PROJECTION);
196 glLoadIdentity();
197 gluPerspective(45.0, (float)xsz / (float)ysz, 1.0, 1000.0);
198 }
200 void keyb(unsigned char key, int x, int y)
201 {
202 switch(key) {
203 case 27:
204 exit(0);
206 default:
207 break;
208 }
210 imtk_inp_key(key, IMTK_DOWN);
211 }
213 void keyb_up(unsigned char key, int x, int y)
214 {
215 imtk_inp_key(key, IMTK_UP);
216 }
218 void skeyb(int key, int x, int y)
219 {
220 imtk_inp_key(key, IMTK_DOWN);
221 }
223 void skeyb_up(int key, int x, int y)
224 {
225 imtk_inp_key(key, IMTK_UP);
226 }
228 void mouse(int bn, int state, int x, int y)
229 {
230 imtk_inp_mouse(bn, state == GLUT_DOWN ? IMTK_DOWN : IMTK_UP);
231 }
233 void motion(int x, int y)
234 {
235 imtk_inp_motion(x, y);
236 }