Texture GetPatternTexture(OpenGlDevice Device)
{
Texture Save = Device.texture;
if (Pattern == null)
{
return(null);
}
Rectangled R = new Rectangled(Pattern.PatternX, Pattern.PatternY, Pattern.PatternWidth, Pattern.PatternHeight);
FBO FrameBuffer = new FBO();
FrameBuffer.BackGround = System.Drawing.Color.Transparent;
Device.PushMatrix();
xyz RU = new xyz(R.Width, R.Height, 0);
xyz RD = new xyz(R.X, R.Y, 0);
Point _RU = Device.ToScr(RU);
Point _RD = Device.ToScr(RD);
FrameBuffer.Init((int)(_RU.X - _RD.X), (int)(_RD.Y - _RU.Y));
FrameBuffer.EnableWriting();
Pattern.Paint(Device);
Device.PopMatrix();
FrameBuffer.DisableWriting();
Texture result = FrameBuffer.Texture;
Device.texture = Save;
result.WorldWidth = R.Width;
result.WorldHeight = R.Height;
result.Translation = new xy(R.X, R.Y);
FrameBuffer.Dispose(true);
return(result);
}
private void InitializeOgl(Control WinControl)
{
if (RenderingContext != null)
{
if (!RenderingContext.IsDisposed)
{
DisposeOglObjects();
}
}
/* private OpenTK.Platform.IWindowInfo*/
WindowsInfo = OpenTK.Platform.Utilities.CreateWindowsWindowInfo(WinControl.Handle);
OpenTK.Graphics.GraphicsMode GraphicMode = new OpenTK.Graphics.GraphicsMode(new OpenTK.Graphics.ColorFormat(PfdColorBits), PfdDepthBits, PfdStencilBits, PfdAuxBits, new OpenTK.Graphics.ColorFormat(PfdAccumBits), PfdBuffers, PfdStereo);
OpenTK.Graphics.GraphicsMode GraphicMode2 = OpenTK.Graphics.GraphicsMode.Default;
RenderingContext = new OpenTK.Graphics.GraphicsContext(GraphicMode2, WindowsInfo);
RenderingContext.LoadAll();
FBO.LoadMethods();
RenderingContext.SwapInterval = 1;
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Lequal);
GL.CullFace(CullFaceMode.Back);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
GL.ShadeModel(ShadingModel.Smooth);
GL.Enable(EnableCap.Normalize);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.Lighting);
ShadowMapSampler = GL.GenSampler();
// Texture.Sampler= GL.GenSampler();
ActivateShader();
Lights[0].Position = new xyzwf(3, 4, 10, 0);
FieldOfView = 0;
Selector.PickingShader = PickingShader;
//System.Diagnostics.ConsoleTraceListener myWriter = new
//System.Diagnostics.ConsoleTraceListener();
//System.Diagnostics.Debug.Listeners.Clear();
//System.Diagnostics.Debug.Listeners.Add(myWriter);
CheckError();
ClockWise = true;
Culling = false;
SwapBuffers();
CheckError();
}
/// <summary>
/// plays the scene in Bitmap.
/// </summary>
/// <returns></returns>
public Bitmap ScreenShot()
{
FBO FrameBuffer = new FBO((int)ViewPort.Width, (int)ViewPort.Height);
Texture Save = texture;
FrameBuffer.EnableWriting();
Refresh();
FrameBuffer.DisableWriting();
texture = Save;
Bitmap Result = FrameBuffer.ReadBitmap();
FrameBuffer.Dispose();
return(Result);
}