glamtk

annotate test.c @ 5:86ba127ac2f2

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trying to put some glamour in the toolkit
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 09 Mar 2011 01:13:28 +0200
parents 00a4ea4ee6dc
children cd00a5775373
rev   line source
nuclear@0 1 #include <stdio.h>
nuclear@0 2 #include <stdlib.h>
nuclear@2 3 #include <assert.h>
nuclear@0 4 #ifndef __APPLE__
nuclear@0 5 #include <GL/glut.h>
nuclear@0 6 #else
nuclear@0 7 #include <GLUT/glut.h>
nuclear@0 8 #endif
nuclear@0 9 #include "imtk.h"
nuclear@0 10
nuclear@0 11 void disp(void);
nuclear@1 12 void gui(void);
nuclear@0 13 void reshape(int x, int y);
nuclear@0 14 void keyb(unsigned char key, int x, int y);
nuclear@0 15 void keyb_up(unsigned char key, int x, int y);
nuclear@0 16 void skeyb(int key, int x, int y);
nuclear@0 17 void skeyb_up(int key, int x, int y);
nuclear@0 18 void mouse(int bn, int state, int x, int y);
nuclear@0 19 void motion(int x, int y);
nuclear@0 20
nuclear@2 21 int xsz, ysz;
nuclear@3 22 float angle;
nuclear@4 23 int objsel;
nuclear@0 24
nuclear@0 25 int main(int argc, char **argv)
nuclear@0 26 {
nuclear@2 27 float lpos[] = {-1, 1, 1, 0};
nuclear@2 28 float white[] = {1, 1, 1, 1};
nuclear@2 29 float color[] = {0.9, 0.8, 0.73, 1};
nuclear@2 30
nuclear@0 31 glutInitWindowSize(800, 600);
nuclear@0 32 glutInit(&argc, argv);
nuclear@0 33 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
nuclear@0 34 glutCreateWindow("imgui test");
nuclear@0 35
nuclear@0 36 glutDisplayFunc(disp);
nuclear@0 37 glutReshapeFunc(reshape);
nuclear@0 38 glutKeyboardFunc(keyb);
nuclear@0 39 glutKeyboardUpFunc(keyb_up);
nuclear@0 40 glutSpecialFunc(skeyb);
nuclear@0 41 glutSpecialUpFunc(skeyb_up);
nuclear@0 42 glutMouseFunc(mouse);
nuclear@0 43 glutMotionFunc(motion);
nuclear@0 44 glutPassiveMotionFunc(motion);
nuclear@0 45
nuclear@2 46 glEnable(GL_DEPTH_TEST);
nuclear@2 47 glEnable(GL_CULL_FACE);
nuclear@2 48 glEnable(GL_LIGHTING);
nuclear@2 49 glEnable(GL_LIGHT0);
nuclear@2 50 glLightfv(GL_LIGHT0, GL_POSITION, lpos);
nuclear@2 51
nuclear@2 52 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 53 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
nuclear@2 54 glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 60.0);
nuclear@2 55
nuclear@0 56 glutMainLoop();
nuclear@0 57 return 0;
nuclear@0 58 }
nuclear@0 59
nuclear@0 60 void disp(void)
nuclear@0 61 {
nuclear@0 62 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0 63
nuclear@5 64 glPushAttrib(GL_ENABLE_BIT);
nuclear@5 65 glDisable(GL_LIGHTING);
nuclear@5 66 glDisable(GL_DEPTH_TEST);
nuclear@2 67
nuclear@2 68 glMatrixMode(GL_MODELVIEW);
nuclear@2 69 glLoadIdentity();
nuclear@5 70
nuclear@5 71 glMatrixMode(GL_PROJECTION);
nuclear@5 72 glPushMatrix();
nuclear@5 73 glLoadIdentity();
nuclear@5 74
nuclear@5 75 glBegin(GL_QUADS);
nuclear@5 76 glColor3f(0.2, 0.3, 0.7);
nuclear@5 77 glVertex2f(1, 1);
nuclear@5 78 glVertex2f(-1, 1);
nuclear@5 79 glColor3f(0.7, 0.3, 0.2);
nuclear@5 80 glVertex2f(-1, -1);
nuclear@5 81 glVertex2f(1, -1);
nuclear@5 82 glEnd();
nuclear@5 83
nuclear@5 84 glPopMatrix();
nuclear@5 85 glMatrixMode(GL_MODELVIEW);
nuclear@5 86
nuclear@5 87 glPopAttrib();
nuclear@5 88
nuclear@2 89 glTranslatef(0, 0, -8);
nuclear@2 90 glRotatef(25, 1, 0, 0);
nuclear@3 91 glRotatef(angle, 0, 1, 0);
nuclear@2 92
nuclear@4 93 switch(objsel) {
nuclear@4 94 case 0:
nuclear@4 95 glFrontFace(GL_CW);
nuclear@4 96 glutSolidTeapot(1.0);
nuclear@4 97 glFrontFace(GL_CCW);
nuclear@4 98 break;
nuclear@4 99
nuclear@4 100 case 1:
nuclear@4 101 glutSolidTorus(0.5, 1, 12, 24);
nuclear@4 102 break;
nuclear@4 103
nuclear@4 104 case 2:
nuclear@4 105 glutSolidSphere(1.0, 24, 12);
nuclear@4 106 break;
nuclear@4 107
nuclear@4 108 default:
nuclear@4 109 break;
nuclear@4 110 }
nuclear@2 111
nuclear@2 112
nuclear@1 113 gui();
nuclear@1 114
nuclear@1 115 glutSwapBuffers();
nuclear@2 116 assert(glGetError() == GL_NO_ERROR);
nuclear@1 117 }
nuclear@1 118
nuclear@1 119 void gui(void)
nuclear@1 120 {
nuclear@1 121 static int bnshow;
nuclear@2 122 static char textbuf[256];
nuclear@2 123 static char textbuf2[256];
nuclear@3 124 static float val;
nuclear@4 125 static int prev_sel;
nuclear@4 126 char *itemlist;
nuclear@1 127
nuclear@0 128 imtk_begin();
nuclear@0 129
nuclear@2 130 if(imtk_button(IMUID, "red", 30, 50)) {
nuclear@2 131 float color[] = {1, 0.4, 0.3, 1};
nuclear@2 132 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 133 glutPostRedisplay();
nuclear@0 134 }
nuclear@4 135 if(imtk_button(IMUID, "blue", 30, 80)) {
nuclear@2 136 float color[] = {0.3, 0.4, 1, 1};
nuclear@2 137 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 138 glutPostRedisplay();
nuclear@1 139 }
nuclear@1 140
nuclear@4 141 itemlist = imtk_create_list("teapot", "torus", "sphere", NULL);
nuclear@4 142 if((objsel = imtk_listbox(IMUID, itemlist, prev_sel, 30, 120)) != prev_sel) {
nuclear@4 143 prev_sel = objsel;
nuclear@4 144 glutPostRedisplay();
nuclear@4 145 }
nuclear@4 146 imtk_free_list(itemlist);
nuclear@4 147
nuclear@2 148 imtk_textbox(IMUID, textbuf, sizeof textbuf, 30, 200);
nuclear@2 149 imtk_textbox(IMUID, textbuf2, sizeof textbuf2, 30, 250);
nuclear@2 150
nuclear@2 151 if((bnshow = imtk_checkbox(IMUID, "show hidden button", 30, 300, bnshow))) {
nuclear@2 152 if(imtk_button(IMUID, "yellow", 50, 340)) {
nuclear@2 153 float color[] = {0.8, 0.75, 0.3, 1};
nuclear@2 154 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 155 glutPostRedisplay();
nuclear@1 156 }
nuclear@1 157 }
nuclear@0 158
nuclear@3 159 val = imtk_slider(IMUID, angle, 0.0, 360.0, 30, 390);
nuclear@3 160 if(val != angle) {
nuclear@3 161 angle = val;
nuclear@3 162 glutPostRedisplay();
nuclear@3 163 }
nuclear@3 164
nuclear@3 165 imtk_progress(IMUID, val / 360.0, 30, 420);
nuclear@3 166
nuclear@2 167 if(imtk_button(IMUID, "Quit", 30, 500)) {
nuclear@2 168 exit(0);
nuclear@2 169 }
nuclear@2 170
nuclear@0 171 imtk_end();
nuclear@0 172 }
nuclear@0 173
nuclear@0 174 void reshape(int x, int y)
nuclear@0 175 {
nuclear@2 176 xsz = x;
nuclear@2 177 ysz = y;
nuclear@2 178
nuclear@0 179 glViewport(0, 0, x, y);
nuclear@5 180 imtk_inp_reshape(x, y);
nuclear@5 181
nuclear@5 182 glMatrixMode(GL_PROJECTION);
nuclear@5 183 glLoadIdentity();
nuclear@5 184 gluPerspective(45.0, (float)x / (float)y, 1.0, 1000.0);
nuclear@0 185 }
nuclear@0 186
nuclear@0 187 void keyb(unsigned char key, int x, int y)
nuclear@0 188 {
nuclear@0 189 switch(key) {
nuclear@0 190 case 27:
nuclear@0 191 exit(0);
nuclear@0 192
nuclear@0 193 default:
nuclear@0 194 break;
nuclear@0 195 }
nuclear@0 196
nuclear@0 197 imtk_inp_key(key, IMTK_DOWN);
nuclear@0 198 }
nuclear@0 199
nuclear@0 200 void keyb_up(unsigned char key, int x, int y)
nuclear@0 201 {
nuclear@0 202 imtk_inp_key(key, IMTK_UP);
nuclear@0 203 }
nuclear@0 204
nuclear@0 205 void skeyb(int key, int x, int y)
nuclear@0 206 {
nuclear@0 207 imtk_inp_key(key, IMTK_DOWN);
nuclear@0 208 }
nuclear@0 209
nuclear@0 210 void skeyb_up(int key, int x, int y)
nuclear@0 211 {
nuclear@0 212 imtk_inp_key(key, IMTK_UP);
nuclear@0 213 }
nuclear@0 214
nuclear@0 215 void mouse(int bn, int state, int x, int y)
nuclear@0 216 {
nuclear@0 217 imtk_inp_mouse(bn, state == GLUT_DOWN ? IMTK_DOWN : IMTK_UP);
nuclear@0 218 }
nuclear@0 219
nuclear@0 220 void motion(int x, int y)
nuclear@0 221 {
nuclear@0 222 imtk_inp_motion(x, y);
nuclear@0 223 }