Example #1
0
 private void GlControlLoad(object sender, EventArgs e)
 {
     GL.ClearColor(1, 1, 1, 1);
     GL.Viewport(0, 0, glControl.Width, glControl.Height);
     GL.ShadeModel(ShadingModel.Smooth);
     GL.Hint(HintTarget.PolygonSmoothHint, HintMode.Nicest);
     GL.Enable(EnableCap.Blend);
     GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
     _graph  = new CaptureGraph();
     _loaded = true;
 }
Example #2
0
        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();
        }
 public void SetBackgroundColor(float r, float g, float b)
 {
     GL.ClearColor(new Color4(r, g, b, 1));
 }