static void lvMotion(int x, int y) {
// Here we handle translation
float norm = 1.0f / lvZoom;
if (lvPressed[GLUT_LEFT_BUTTON]) {
lvTransX += float(lastx - x)*2.0f*norm;
lvTransY += float(lasty - y)*2.0f*norm;
}
if (lvPressed[GLUT_MIDDLE_BUTTON])
{
iPlaneY += float(lasty - y)*0.5f;
// Use this to change camera focus
if (lastx - x < 0)
{
zDist += lsystem.stopTrans * float(lastx - x)*pow(zDist, 1.15f)/(1000.0)*0.5f;
lsystem.refocus(zDist, -1);
}
else
{
zDist += float(lastx - x)*pow(zDist, 1.15f)/(1000.0)*0.5f;
lsystem.refocus(zDist, 1);
}
}
// Here we handle zooming
if (lvPressed[GLUT_RIGHT_BUTTON]) {
float zoom = 4.0f * float(x - lastx) / lvWidth;
if ((lvZoom + zoom) >= 1.0f)
lvZoom += zoom;
}
lastx = x; lasty = y;
glutPostRedisplay();
}
int main(int argc, char** argv) {
if (argc < 2) {
//printf("Usage: lensview <lens file>\n");
//exit (-1);
//argv[1] = ".\\lenses\\dgauss.50mm.dat";
argv[1] = ".\\lenses\\fisheye.10mm.dat";
//argv[1] = ".\\lenses\\telephoto.250mm.dat";
//argv[1] = ".\\lenses\\wide.22mm.dat";
}
if (!lsystem.Load(argv[1])) {
printf("Cannot open the lens file: %s.\n", argv[1]);
exit(-1);
}
printf("1\n");
lvZoom = lvHeight / lsystem.maxAperture() / 3;
lvZoom = maxv(1, lvZoom);
printf("2\n");
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA);
glutInitWindowSize(lvWidth, lvHeight);
glutCreateWindow("lensview");
glutDisplayFunc(lvDisplay);
glutMotionFunc(lvMotion);
glutMouseFunc(lvClick);
glutKeyboardFunc(lvKey);
glutReshapeFunc(lvResize);
glutIdleFunc(NULL);
glMatrixMode(GL_MODELVIEW); glLoadIdentity();
glMatrixMode(GL_PROJECTION); glLoadIdentity();
glClearColor(BGR, BGG, BGB, 1);
printf("3\n");
glLineWidth(1);
printf("4\n");
lsystem.findIntrinsics();
printf("5\n");
lsystem.refocus(zDist, -1);
printf("6\n");
glutMainLoop();
return (0);
}