private void GlControlPaint(object sender, PaintEventArgs e)
{
if (!_loaded)
{
GL.ClearColor(Color4.LightSteelBlue);
GL.Clear(ClearBufferMask.ColorBufferBit);
}
else if (!_bound)
{
GL.ClearColor(Color4.SteelBlue);
GL.Clear(ClearBufferMask.ColorBufferBit);
}
else if (_screenCap)
{
_screenCap = false;
SuspendLayout();
_graph.HideUI();
Size tmp = glControl.Size;
glControl.Size = new Size(2000, 750);
CanvasManager.ChangeViewportSize(glControl.Size);
GL.ClearColor(Color4.White);
GL.Clear(ClearBufferMask.ColorBufferBit);
_graph.DrawGraph();
Bitmap bmp = new Bitmap(glControl.Width, this.glControl.Height);
BitmapData data =
bmp.LockBits(glControl.ClientRectangle, ImageLockMode.WriteOnly,
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
GL.Finish();
GL.ReadPixels(0, 0, this.glControl.Width, this.glControl.Height, PixelFormat.Bgr, PixelType.UnsignedByte, data.Scan0);
bmp.UnlockBits(data);
bmp.RotateFlip(RotateFlipType.RotateNoneFlipY);
bmp.Save(_screenCapFile, ImageFormat.Png);
glControl.Size = tmp;
CanvasManager.ChangeViewportSize(glControl.Size);
_graph.ShowUI();
ResumeLayout();
}
else
{
GL.ClearColor(Color4.White);
GL.Clear(ClearBufferMask.ColorBufferBit);
_graph.DrawGraph();
}
glControl.SwapBuffers();
}
// Penguin
private void GlcontrolOnPaint(object sender, System.Windows.Forms.PaintEventArgs e)
{
this.glcontrol.MakeCurrent();
GL.MatrixMode(OpenTK.Graphics.OpenGL.MatrixMode.Projection);
GL.LoadIdentity();
float halfWidth = (float)(this.glcontrol.Width / 2);
float halfHeight = (float)(this.glcontrol.Height / 2);
GL.Ortho(-halfWidth, halfWidth, halfHeight, -halfHeight, 1000, -1000);
GL.Viewport(this.glcontrol.Size);
this.renderer.Render();
GL.Finish();
this.glcontrol.SwapBuffers();
this.frames++;
}