static int Color(lua_State *L)
{
int color = luaL_checkinteger(L, 1);
GLfloat red, green, blue;
if(!lua_isnoneornil(L, 2)) /* set */
{
red = luaL_checknumber(L, 2);
green = luaL_checknumber(L, 3);
blue = luaL_checknumber(L, 4);
glutSetColor(color, red, green, blue);
}
lua_pushnumber(L, glutGetColor(color, GLUT_RED));
lua_pushnumber(L, glutGetColor(color, GLUT_GREEN));
lua_pushnumber(L, glutGetColor(color, GLUT_BLUE));
return 3;
}
void
key(unsigned char c, int w, int h)
{
int transP;
printf("c=%d w=%d h=%d\n", c, w, h);
switch (c) {
case 'e':
glutEstablishOverlay();
independent = 0;
transP = glutLayerGet(GLUT_TRANSPARENT_INDEX);
glClearIndex(transP);
glutSetColor((transP + 1) % 2, 1.0, 1.0, 0.0);
glIndexi((transP + 1) % 2);
on = 1;
break;
case 'r':
glutRemoveOverlay();
on = 0;
break;
case 'm':
if (glutLayerGet(GLUT_HAS_OVERLAY)) {
int pixel;
GLfloat red, green, blue;
transP = glutLayerGet(GLUT_TRANSPARENT_INDEX);
pixel = (transP + 1) % 2;
red = glutGetColor(pixel, GLUT_RED) + 0.2;
if (red > 1.0)
red = red - 1.0;
green = glutGetColor(pixel, GLUT_GREEN) - 0.1;
if (green > 1.0)
green = green - 1.0;
blue = glutGetColor(pixel, GLUT_BLUE) + 0.1;
if (blue > 1.0)
blue = blue - 1.0;
glutSetColor(pixel, red, green, blue);
}
break;
case 'h':
glutSetWindow(hidden_w);
glutHideWindow();
glutSetWindow(s2);
glutHideWindow();
break;
case 's':
glutSetWindow(hidden_w);
glutShowWindow();
glutSetWindow(s2);
glutShowWindow();
break;
case 'H':
glutHideOverlay();
break;
case 'S':
glutShowOverlay();
break;
case 'D':
glutDestroyWindow(main_w);
exit(0);
break;
case ' ':
printf("overlay possible: %d\n", glutLayerGet(GLUT_OVERLAY_POSSIBLE));
printf("layer in use: %d\n", glutLayerGet(GLUT_LAYER_IN_USE));
printf("has overlay: %d\n", glutLayerGet(GLUT_HAS_OVERLAY));
printf("transparent index: %d\n", glutLayerGet(GLUT_TRANSPARENT_INDEX));
break;
}
}
int
main(int argc, char **argv)
{
int win1, win2, size;
GLint isIndex;
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_INDEX);
if (!glutGet(GLUT_DISPLAY_MODE_POSSIBLE)) {
printf("UNRESOLVED: test5 (your OpenGL lacks color index support)\n");
exit(0);
}
glutInitWindowPosition(45, 45);
win1 = glutCreateWindow("CI test 1");
glGetIntegerv(GL_INDEX_MODE, &isIndex);
if (isIndex == 0) {
printf("FAIL: test5\n");
exit(1);
}
size = glutGet(GLUT_WINDOW_COLORMAP_SIZE);
if (size <= 1 || size > (1 << glutGet(GLUT_WINDOW_BUFFER_SIZE))) {
printf("FAIL: test5\n");
exit(1);
}
glutSetColor(2, 1.0, 3.4, 0.5);
comp = glutGetColor(2, GLUT_RED);
if (comp != 1.0) {
printf("FAIL: test5\n");
exit(1);
}
comp = glutGetColor(2, GLUT_GREEN);
if (comp != 1.0) {
printf("FAIL: test5\n");
exit(1);
}
comp = glutGetColor(2, GLUT_BLUE);
if (comp != 0.5) {
printf("FAIL: test5\n");
exit(1);
}
glutInitWindowPosition(450, 450);
win2 = glutCreateWindow("CI test 2");
glutCopyColormap(win1);
if (glutGetColor(2, GLUT_RED) != 1.0) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_GREEN) != 1.0) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_BLUE) != 0.5) {
printf("FAIL: test5\n");
exit(1);
}
glutSetColor(2, -1.0, 0.25, 0.75);
glutSetWindow(win1);
if (win1 != glutGetWindow()) {
printf("FAIL: test5\n");
exit(1);
}
glutDisplayFunc(display);
if (glutGetColor(2, GLUT_RED) != 1.0) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_GREEN) != 1.0) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_BLUE) != 0.5) {
printf("FAIL: test5\n");
exit(1);
}
glutSetWindow(win2);
if (win2 != glutGetWindow()) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_RED) != 0.0) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_GREEN) != 0.25) {
printf("FAIL: test5\n");
exit(1);
}
if (glutGetColor(2, GLUT_BLUE) != 0.75) {
printf("FAIL: test5\n");
exit(1);
}
glutTimerFunc(1500, timeout, 1);
glutDisplayFunc(display);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}
/*
* Class: gruenewa_opengl_GLUT__
* Method: glutGetColor
* Signature: (II)F
*/
JNIEXPORT jfloat JNICALL Java_gruenewa_opengl_GLUT_00024_glutGetColor
(JNIEnv * jenv, jobject jobj, jint arg1, jint arg2) {
return glutGetColor(arg1, arg2);
}
