protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
base.InitializeContexts();
graphics = new GLGraphics(this, Color.White);
graphics.InitScene(worldTransform, Color.White);
}
public new void Draw()
{
// check if we've constructed the graphics class yet
if (graphics == null)
{
return;
}
Form parentForm = this.FindForm();
if (parentForm != null && (parentForm.WindowState == FormWindowState.Minimized || !parentForm.Visible))
{
return;
}
// fill in the screen size
SizeF clientSize = this.ClientSize;
if (clientSize != worldTransform.ScreenSize)
{
worldTransform.ScreenSize = clientSize;
}
// call the setup transform on the current control
if (currentTool != null)
{
currentTool.SetupTransform(worldTransform);
}
// initialize the GL utility
graphics.InitScene(worldTransform, Color.White);
// call pre-paint
if (currentTool != null)
{
currentTool.OnPreRender(graphics, worldTransform);
}
// render each of the display objects
foreach (IRenderable obj in Services.DisplayObjectService.GetVisibleEnumerator())
{
if (!object.Equals(obj, selectedObject))
{
obj.Render(graphics, worldTransform);
}
}
// render the selected object last
if (selectedObject != null)
{
selectedObject.Render(graphics, worldTransform);
}
// call post-paint
if (currentTool != null)
{
currentTool.OnPostRender(graphics, worldTransform);
}
// invoke the drawing on the base gl control
base.Draw();
}