int main(int argc, char **argv) {
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
glutInitWindowPosition(MY_WIND_X_POS, MY_WIND_Y_POS);
glutInitWindowSize(MY_WIND_X_SIZE, MY_WIND_Y_SIZE);
glutCreateWindow("B581 template code with 3D lighting");
glutDisplayFunc (myDisplay);
glutReshapeFunc (myReshape);
glutMouseFunc (myButton);
glutMotionFunc (myMotion);
glutPassiveMotionFunc (NULL);
glutIdleFunc (NULL);
glutKeyboardFunc (myKeyboard);
glutVisibilityFunc (myVisibility);
fprintf(stderr,"Press ESC or 'q' to Exit.\n");
myInitGL();
myInitData(&argc,argv); /* pass command line arguments for texture */
/* initialize GLUT menu handler as last one, to take over access
to GLUT_RIGHT_BUTTON, regardles to what other handlers did to it: */
myInitMenus();
glutTimerFunc(0,timer,0);
glutMainLoop();
return(EXIT_SUCCESS);
} /* main() */
int main( int argc, const char *argv[] )
{
// reads model into global glb_model;
ON::Begin();
ON_TextLog error_log;
ON_BOOL32 bOK;
int window_width = 500;
int window_height = 500;
//double port_aspect = ((double)window_width)/((double)window_height);
// read the file into model
if ( argc != 2 ) {
printf("Syntax: %s filename.3dm\n",argv[0] );
return 0;
}
const char* sFileName = argv[1];
printf("\nFile: %s\n", sFileName );
// read the file
CModel model;
if ( !model.Read( sFileName, &error_log ) )
{
// read failed
error_log.Print("Unable to read file %s\n",sFileName);
return 1;
}
glb_model = &model;
// set bbox = world bounding box of all the objects
model.m_bbox = model.BoundingBox();
if ( !model.m_bbox.IsValid() )
{
// nothing to look at in this model
return 2;
}
// set model.m_view
if ( model.m_settings.m_views.Count() > 0 )
{
// use first viewport projection in file
double angle;
model.m_view.m_vp = model.m_settings.m_views[0].m_vp;
model.m_view.m_target = model.m_settings.m_views[0].m_target;
model.m_view.m_vp.GetCameraAngle( &angle );
model.m_view.m_vp.Extents( angle, model.m_bbox );
}
else
{
GetDefaultView( model.m_bbox, model.m_view );
}
// If needed, enlarge frustum so its aspect matches the window's aspect.
// Since the Rhino file does not store the far frustum distance in the
// file, viewports read from a Rhil file need to have the frustum's far
// value set by inspecting the bounding box of the geometry to be
// displayed.
///////////////////////////////////////////////////////////////////
//
// GL stuff starts here
//
for(;;) {
#if defined(ON_EXAMPLE_GL_USE_GLAUX)
wchar_t sWindowTitleString[256];
#endif
#if defined(ON_EXAMPLE_GL_USE_GLUT)
char sWindowTitleString[256];
#endif
sWindowTitleString[255] = 0;
if ( argv[0] && argv[0][0] )
{
int i;
for ( i = 0; i < 254 && argv[0][i]; i++ )
sWindowTitleString[i] = argv[0][i];
sWindowTitleString[i] = 0;
}
#if defined(ON_EXAMPLE_GL_USE_GLAUX)
auxInitPosition( 0, 0, window_width, window_height );
auxInitDisplayMode( AUX_SINGLE | AUX_RGB | AUX_DEPTH );
auxInitWindow( sWindowTitleString );
// register event handler functions
auxIdleFunc( 0 );
auxReshapeFunc( myGLAUX_Reshape );
auxMouseFunc( AUX_LEFTBUTTON, AUX_MOUSEDOWN, myGLAUX_MouseLeftEvent );
auxMouseFunc( AUX_LEFTBUTTON, AUX_MOUSEUP, myGLAUX_MouseLeftEvent );
auxMouseFunc( AUX_MIDDLEBUTTON, AUX_MOUSEDOWN, myGLAUX_MouseMiddleEvent );
auxMouseFunc( AUX_MIDDLEBUTTON, AUX_MOUSEUP, myGLAUX_MouseMiddleEvent );
auxMouseFunc( AUX_RIGHTBUTTON, AUX_MOUSEDOWN, myGLAUX_MouseRightEvent );
auxMouseFunc( AUX_RIGHTBUTTON, AUX_MOUSEUP, myGLAUX_MouseRightEvent );
auxKeyFunc( AUX_LEFT, myKeyLeftArrowEvent );
auxKeyFunc( AUX_RIGHT, myKeyRightArrowEvent );
auxKeyFunc( AUX_UP, myKeyUpArrowEvent );
auxKeyFunc( AUX_DOWN, myKeyDownArrowEvent );
auxKeyFunc( AUX_E, myKeyViewExtents );
auxKeyFunc( AUX_e, myKeyViewExtents );
auxKeyFunc( AUX_Z, myKeyViewExtents );
auxKeyFunc( AUX_z, myKeyViewExtents );
#endif
#if defined(ON_EXAMPLE_GL_USE_GLUT)
glutInit(&argc,(char**)argv);
glutInitWindowPosition( 0, 0);
glutInitWindowSize( window_width, window_height );
glutInitDisplayMode( GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH );
glutCreateWindow( sWindowTitleString );
// register event handler functions
glutIdleFunc( 0 );
glutReshapeFunc( myGLUT_Reshape );
glutMouseFunc( myGLUT_MouseEvent );
glutKeyboardFunc( myGLUT_KeyboardEvent );
glutSpecialFunc( myGLUT_SpecialKeyEvent );
glutDisplayFunc( myDisplay );
#endif
// setup model view matrix, GL defaults, and the GL NURBS renderer
GLUnurbsObj* pTheGLNURBSRender = NULL; // OpenGL NURBS rendering context
bOK = myInitGL( model.m_view.m_vp, pTheGLNURBSRender );
if ( bOK ) {
// build display list
myBuildDisplayList( glb_display_list_number,
pTheGLNURBSRender,
model );
// look at it
#if defined(ON_EXAMPLE_GL_USE_GLAUX)
auxMainLoop( myDisplay );
#endif
#if defined(ON_EXAMPLE_GL_USE_GLUT)
glutMainLoop( );
#endif
}
gluDeleteNurbsRenderer( pTheGLNURBSRender );
break;
}
//
// GL stuff ends here
//
///////////////////////////////////////////////////////////////////
ON::End();
return 0;
}
