void main(int argc, char **argv)
{
GLfloat afPropertiesAmbient [] = {0.50, 0.50, 0.50, 1.00};
GLfloat afPropertiesDiffuse [] = {0.75, 0.75, 0.75, 1.00};
GLfloat afPropertiesSpecular[] = {1.00, 1.00, 1.00, 1.00};
GLsizei iWidth = 640.0;
GLsizei iHeight = 480.0;
glutInit(&argc, argv);
glutInitWindowPosition( 0, 0);
glutInitWindowSize(iWidth, iHeight);
glutInitDisplayMode( GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE );
glutCreateWindow( "Marching Cubes" );
glutDisplayFunc( vDrawScene );
glutIdleFunc( vIdle );
glutReshapeFunc( vResize );
glutKeyboardFunc( vKeyboard );
glutSpecialFunc( vSpecial );
glClearColor( 0.0, 0.0, 0.0, 1.0 );
glClearDepth( 1.0 );
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glPolygonMode(GL_FRONT_AND_BACK, ePolygonMode);
glLightfv( GL_LIGHT0, GL_AMBIENT, afPropertiesAmbient);
glLightfv( GL_LIGHT0, GL_DIFFUSE, afPropertiesDiffuse);
glLightfv( GL_LIGHT0, GL_SPECULAR, afPropertiesSpecular);
glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1.0);
glEnable( GL_LIGHT0 );
glMaterialfv(GL_BACK, GL_AMBIENT, afAmbientGreen);
glMaterialfv(GL_BACK, GL_DIFFUSE, afDiffuseGreen);
glMaterialfv(GL_FRONT, GL_AMBIENT, afAmbientBlue);
glMaterialfv(GL_FRONT, GL_DIFFUSE, afDiffuseBlue);
glMaterialfv(GL_FRONT, GL_SPECULAR, afSpecularWhite);
glMaterialf( GL_FRONT, GL_SHININESS, 25.0);
vResize(iWidth, iHeight);
vPrintHelp();
glutMainLoop();
}
void vResize( GLsizei iWidth, GLsizei iHeight )
{
//input= TheGlWindowSize global
TheGlWindowSize=cv::Size(iWidth,iHeight);
//not all sizes are allowed. OpenCv images have padding at the end of each line in these that are not aligned to 4 bytes
if (iWidth*3%4!=0)
{
iWidth+=iWidth*3%4;//resize to avoid padding
vResize(iWidth,TheGlWindowSize.height);
}
else
{
//resize the image to the size of the GL window
if (TheInputImage_Undistorted.rows!=0)
{
cv::resize(TheInputImage_Undistorted,new_frame_image,TheGlWindowSize);
}
}
}