qtforum.de

Code: Alles auswählen

GLBox* openglBox;

openglBox = new GLBox( this, "glbox"); //f, "glbox"

.....

//Aufruf:
openglBox->LoadGL( dataPtr /*Videostream*/ );

Code: Alles auswählen

void GLBox::initializeGL()
{
    qglClearColor( white );
    glEnable( GL_DEPTH_TEST );
    glClearDepth(1.0f);
    glDepthFunc(GL_LEQUAL);
    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
}

....

bool GLBox::LoadGL( unsigned char* pic )	
{
	bool Status = true;					// Status Indicator

	if(pic != NULL)
	{

		glDisable(GL_DEPTH_TEST);
		glColorMask( 1, 1, 1, 1 ); //enable colors rgba
		glDisable(GL_BLEND);// Disable Blending
		glPixelZoom( 1, -1 );
		glRasterPos3i( 320, 240, 0 );
		glDrawPixels( m_grab.GetWidth(), m_grab.GetHeight(), GL_BGRA_EXT, GL_UNSIGNED_BYTE, pic );
		glDisable(GL_BLEND);// Disable Blending
		glEnable(GL_DEPTH_TEST);// Enable Depth Testing
	}
	else
	{
		printf("\nPic can't load for the gl widget!\n");
	}


	return Status;							// Return The Status
}