/// <summary> Set the view port into openGL</summary>
public void SetViewPort()
{
System.Diagnostics.Debug.Assert(context == GLStatics.GetContext(), "Context incorrect"); // safety
//System.Diagnostics.Debug.WriteLine("Set GL Viewport {0} {1} w {2} h {3}", ViewPort.Left, ScreenSize.Height - ViewPort.Bottom, ViewPort.Width, ViewPort.Height);
OpenTK.Graphics.OpenGL.GL.Viewport(ViewPort.Left, ScreenSize.Height - ViewPort.Bottom, ViewPort.Width, ViewPort.Height);
OpenTK.Graphics.OpenGL.GL.DepthRange(DepthRange.X, DepthRange.Y);
}
/// <summary> Resize view port to newsize.</summary>
public virtual void ResizeViewPort(object sender, Size newsize) // override to change view port to a custom one
{
System.Diagnostics.Debug.Assert(context == GLStatics.GetContext(), "Context incorrect"); // safety
//System.Diagnostics.Debug.WriteLine("Set GL Screensize {0}", newsize);
ScreenSize = newsize;
ScreenCoordMax = newsize;
ViewPort = new Rectangle(new Point(0, 0), newsize);
SetViewPort();
}
/// <summary> Construct </summary>
public GLMatrixCalc()
{
context = GLStatics.GetContext();
}