imtk

annotate test.c @ 14:df2bc9406561

find changesets by author, revision, files, or words in the commit message
added gradients
author John Tsiombikas <nuclear@siggraph.org>
date Tue, 19 Apr 2011 03:01:46 +0300
parents 9c7987064bb0
children 1cf212375db3
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@14 56 imtk_set_bevel_width(1);
nuclear@13 57
nuclear@0 58 glutMainLoop();
nuclear@0 59 return 0;
nuclear@0 60 }
nuclear@0 61
nuclear@0 62 void disp(void)
nuclear@0 63 {
nuclear@0 64 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0 65
nuclear@13 66 glMatrixMode(GL_MODELVIEW);
nuclear@13 67 glLoadIdentity();
nuclear@13 68 glMatrixMode(GL_PROJECTION);
nuclear@13 69 glPushMatrix();
nuclear@13 70 glLoadIdentity();
nuclear@2 71
nuclear@13 72 glPushAttrib(GL_ENABLE_BIT);
nuclear@13 73 glDisable(GL_LIGHTING);
nuclear@13 74 glDisable(GL_DEPTH_TEST);
nuclear@13 75
nuclear@13 76 glBegin(GL_QUADS);
nuclear@13 77 glColor3f(0.3, 0.4, 0.8);
nuclear@13 78 glVertex2f(-1, -1);
nuclear@13 79 glVertex2f(1, -1);
nuclear@13 80 glColor3f(0.7, 0.3, 0.2);
nuclear@13 81 glVertex2f(1, 1);
nuclear@13 82 glVertex2f(-1, 1);
nuclear@13 83 glEnd();
nuclear@13 84
nuclear@13 85 glPopAttrib();
nuclear@13 86 glPopMatrix();
nuclear@2 87
nuclear@2 88 glMatrixMode(GL_MODELVIEW);
nuclear@2 89 glLoadIdentity();
nuclear@13 90 glTranslatef(0, 0, -4);
nuclear@2 91 glRotatef(25, 1, 0, 0);
nuclear@3 92 glRotatef(angle, 0, 1, 0);
nuclear@2 93
nuclear@4 94 switch(objsel) {
nuclear@4 95 case 0:
nuclear@4 96 glFrontFace(GL_CW);
nuclear@4 97 glutSolidTeapot(1.0);
nuclear@4 98 glFrontFace(GL_CCW);
nuclear@4 99 break;
nuclear@4 100
nuclear@4 101 case 1:
nuclear@4 102 glutSolidTorus(0.5, 1, 12, 24);
nuclear@4 103 break;
nuclear@4 104
nuclear@4 105 case 2:
nuclear@4 106 glutSolidSphere(1.0, 24, 12);
nuclear@4 107 break;
nuclear@4 108
nuclear@4 109 default:
nuclear@4 110 break;
nuclear@4 111 }
nuclear@2 112
nuclear@2 113
nuclear@1 114 gui();
nuclear@1 115
nuclear@1 116 glutSwapBuffers();
nuclear@2 117 assert(glGetError() == GL_NO_ERROR);
nuclear@1 118 }
nuclear@1 119
nuclear@1 120 void gui(void)
nuclear@1 121 {
nuclear@1 122 static int bnshow;
nuclear@2 123 static char textbuf[256];
nuclear@2 124 static char textbuf2[256];
nuclear@3 125 static float val;
nuclear@10 126 static int prev_sel = 0;
nuclear@10 127 char *itemlist;
nuclear@1 128
nuclear@0 129 imtk_begin();
nuclear@0 130
nuclear@13 131 /*glBegin(GL_QUADS);
nuclear@2 132 glColor3f(0.6, 0.6, 0.6);
nuclear@2 133 glVertex2f(0, 0);
nuclear@2 134 glVertex2f(200, 0);
nuclear@2 135 glVertex2f(200, glutGet(GLUT_WINDOW_HEIGHT));
nuclear@2 136 glVertex2f(0, glutGet(GLUT_WINDOW_HEIGHT));
nuclear@13 137 glEnd();*/
nuclear@2 138
nuclear@2 139 if(imtk_button(IMUID, "red", 30, 50)) {
nuclear@2 140 float color[] = {1, 0.4, 0.3, 1};
nuclear@2 141 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 142 glutPostRedisplay();
nuclear@0 143 }
nuclear@4 144 if(imtk_button(IMUID, "blue", 30, 80)) {
nuclear@2 145 float color[] = {0.3, 0.4, 1, 1};
nuclear@2 146 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 147 glutPostRedisplay();
nuclear@1 148 }
nuclear@1 149
nuclear@10 150 itemlist = imtk_create_list("teapot", "torus", "sphere", NULL);
nuclear@4 151 if((objsel = imtk_listbox(IMUID, itemlist, prev_sel, 30, 120)) != prev_sel) {
nuclear@4 152 prev_sel = objsel;
nuclear@4 153 glutPostRedisplay();
nuclear@4 154 }
nuclear@10 155 imtk_free_list(itemlist);
nuclear@4 156
nuclear@2 157 imtk_textbox(IMUID, textbuf, sizeof textbuf, 30, 200);
nuclear@2 158 imtk_textbox(IMUID, textbuf2, sizeof textbuf2, 30, 250);
nuclear@2 159
nuclear@2 160 if((bnshow = imtk_checkbox(IMUID, "show hidden button", 30, 300, bnshow))) {
nuclear@2 161 if(imtk_button(IMUID, "yellow", 50, 340)) {
nuclear@2 162 float color[] = {0.8, 0.75, 0.3, 1};
nuclear@2 163 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, color);
nuclear@2 164 glutPostRedisplay();
nuclear@1 165 }
nuclear@1 166 }
nuclear@0 167
nuclear@3 168 val = imtk_slider(IMUID, angle, 0.0, 360.0, 30, 390);
nuclear@3 169 if(val != angle) {
nuclear@3 170 angle = val;
nuclear@3 171 glutPostRedisplay();
nuclear@3 172 }
nuclear@3 173
nuclear@3 174 imtk_progress(IMUID, val / 360.0, 30, 420);
nuclear@3 175
nuclear@13 176 imtk_label("alpha:", 24, 473);
nuclear@13 177 imtk_set_alpha(imtk_slider(IMUID, imtk_get_alpha(), 0.0, 1.0, 60, 470));
nuclear@13 178
nuclear@2 179 if(imtk_button(IMUID, "Quit", 30, 500)) {
nuclear@2 180 exit(0);
nuclear@2 181 }
nuclear@2 182
nuclear@0 183 imtk_end();
nuclear@0 184 }
nuclear@0 185
nuclear@0 186 void reshape(int x, int y)
nuclear@0 187 {
nuclear@2 188 xsz = x;
nuclear@2 189 ysz = y;
nuclear@2 190
nuclear@0 191 glViewport(0, 0, x, y);
nuclear@13 192 imtk_set_viewport(x, y);
nuclear@13 193
nuclear@13 194 glMatrixMode(GL_PROJECTION);
nuclear@13 195 glLoadIdentity();
nuclear@13 196 gluPerspective(45.0, (float)xsz / (float)ysz, 1.0, 1000.0);
nuclear@0 197 }
nuclear@0 198
nuclear@0 199 void keyb(unsigned char key, int x, int y)
nuclear@0 200 {
nuclear@0 201 switch(key) {
nuclear@0 202 case 27:
nuclear@0 203 exit(0);
nuclear@0 204
nuclear@0 205 default:
nuclear@0 206 break;
nuclear@0 207 }
nuclear@0 208
nuclear@0 209 imtk_inp_key(key, IMTK_DOWN);
nuclear@0 210 }
nuclear@0 211
nuclear@0 212 void keyb_up(unsigned char key, int x, int y)
nuclear@0 213 {
nuclear@0 214 imtk_inp_key(key, IMTK_UP);
nuclear@0 215 }
nuclear@0 216
nuclear@0 217 void skeyb(int key, int x, int y)
nuclear@0 218 {
nuclear@0 219 imtk_inp_key(key, IMTK_DOWN);
nuclear@0 220 }
nuclear@0 221
nuclear@0 222 void skeyb_up(int key, int x, int y)
nuclear@0 223 {
nuclear@0 224 imtk_inp_key(key, IMTK_UP);
nuclear@0 225 }
nuclear@0 226
nuclear@0 227 void mouse(int bn, int state, int x, int y)
nuclear@0 228 {
nuclear@0 229 imtk_inp_mouse(bn, state == GLUT_DOWN ? IMTK_DOWN : IMTK_UP);
nuclear@0 230 }
nuclear@0 231
nuclear@0 232 void motion(int x, int y)
nuclear@0 233 {
nuclear@0 234 imtk_inp_motion(x, y);
nuclear@0 235 }