/// <summary>
/// draw a rendering queue, firing events before and after.
/// </summary>
/// <param name="queue"></param>
/// <param name="args"></param>
protected void Draw(RenderQueue queue, RenderQueueEventArgs args)
{
FireEvent(RenderQueueStarted, args);
d_target.Draw(queue);
args.handled = 0;
FireEvent(RenderQueueEnded, args);
}
private void FireEvent(EventHandler <RenderQueueEventArgs> eventHandler, RenderQueueEventArgs args)
{
var handler = eventHandler;
if (handler != null)
{
handler(this, args);
}
}
/// <summary>
/// draw the surface content. Default impl draws the render queues.
/// NB: Called between RenderTarget activate and deactivate calls.
/// </summary>
protected virtual void DrawContent()
{
var evt_args = new RenderQueueEventArgs(RenderQueueId.RQ_USER_0);
foreach (var i in d_queues)
{
evt_args.handled = 0;
evt_args.RenderQueueId = i.Key;
Draw(i.Value, evt_args);
}
}
