private void SetupViewport()
{
if (!loaded)
{
return;
}
float aspect = 1.0f;
try
{
int w = glControl1.Width;
int h = glControl1.Height;
GL.Viewport(0, 0, w, h); // Use all of the glControl painting area
aspect = ((float)glControl1.Width) / ((float)glControl1.Height);
SetAlpha(false); // start off with alpha off
GL.Enable(EnableCap.CullFace); // enable culling of faces
GL.CullFace(CullFaceMode.Back); // specify culling backfaces
m_projection = OpenTK.Matrix4.CreatePerspectiveFieldOfView(0.55f, aspect, 1, 2000);
m_axisProjection = OpenTK.Matrix4.CreatePerspectiveOffCenter(-2 * aspect + 0.3f, 0.3f, -0.3f, 1.7f, 1, 2000);
m_modelView = OpenTK.Matrix4.LookAt(new OpenTK.Vector3(5, 0, -5), new OpenTK.Vector3(0, 0, 0), new OpenTK.Vector3(0, 0, 1));
GL.ShadeModel(ShadingModel.Smooth); // tell it to shade smoothly
// properties of materials
GL.Enable(EnableCap.ColorMaterial); // allow polys to have color
float[] mat_specular = { 1.0f, 1.0f, 1.0f, 1.0f };
float[] mat_shininess = { 50.0f };
GL.Material(MaterialFace.Front, MaterialParameter.Specular, mat_specular);
GL.Material(MaterialFace.Front, MaterialParameter.Shininess, mat_shininess);
//set a color to clear the background
GL.ClearColor(Color.LightBlue);
// antialising lines
GL.Enable(EnableCap.LineSmooth);
//GL.Enable(EnableCap.PolygonSmooth);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Hint(HintTarget.LineSmoothHint, HintMode.Nicest);
//GL.Hint(HintTarget.PolygonSmoothHint, HintMode.Nicest);
float[] res = new float[2];
GL.GetFloat(GetPName.SmoothLineWidthRange, res);
// DebugLogger.Instance().LogInfo("Stencil depth: " + glControl1.GraphicsMode.Stencil.ToString());
// prepare texture buffer to save 3d rendring
if (mColorBuffer == 0)
{
GL.GenTextures(1, out mColorBuffer);
}
GL.BindTexture(TextureTarget.Texture2D, mColorBuffer);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba8, Width, Height, 0, PixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
// lighting
if (firstTime)
{
GL.Enable(EnableCap.Lighting);
GL.Enable(EnableCap.Light0);
float[] light_position = { 1.0f, 1.0f, 1.0f, 0.0f };
GL.Light(LightName.Light0, LightParameter.Position, light_position);
GL.Light(LightName.Light0, LightParameter.Diffuse, Color.LightGray);
}
// load gui elements
if (firstTime)
{
gr2d.LoadTexture(global::UV_DLP_3D_Printer.Properties.Resources.cwtexture1_index);
gr2d.LoadFont("Arial18", global::UV_DLP_3D_Printer.Properties.Resources.Arial18_metrics);
LoadPluginGui();
//Visible = true;
}
Set3DView();
UVDLPApp.Instance().PerformPluginCommand("AfterThemingDone", true);
firstTime = false;
}
catch (Exception ex)
{
String s = ex.Message;
// the create perspective function blows up on certain ratios
}
}