private bool DoRender()
{
DebugHelper.AssertUIThread();
bool result = false;
{
if ((this.image != null) && (this.Visibility == System.Windows.Visibility.Visible))
{
result = true;
viz.Context context = null;
if (this.PluginService != null)
{
context = this.PluginService.GetContext(this.EventType);
}
if (this.image != null)
{
if (context != null)
{
if (!context.BeginRender())
{
context = null;
}
}
}
if (context != null)
{
this.OnBeginRender(context);
viz.Texture texture = null;
foreach (PluginViewState pluginViewState in this.PluginViewStates)
{
if (pluginViewState.IsEnabled)
{
IImageVisualPlugin visualPlugin = pluginViewState.Plugin as IImageVisualPlugin;
if (visualPlugin != null)
{
texture = visualPlugin.GetTexture(this.EventType, pluginViewState.PluginViewSettings);
if (texture != null)
{
break;
}
}
}
}
float scaledWidth = 0;
float scaledHeight = 0;
this.OnGetLayout(context, texture, ref scaledWidth, ref scaledHeight);
if (this.imageHost is Canvas)
{
uint w = (uint)scaledWidth;
uint h = (uint)scaledHeight;
if (this.image != null)
{
this.image.Width = w;
this.image.Height = h;
}
this.FixRenderTargetSize(w, h);
}
if (this.renderTarget != null)
{
if (this.renderTarget.BeginRender(this.ClearColor, 1))
{
foreach (PluginViewState pluginViewState in this.PluginViewStates)
{
if (pluginViewState.IsEnabled)
{
IImageVisualPlugin visualPlugin = pluginViewState.Plugin as IImageVisualPlugin;
if (visualPlugin != null)
{
I2DVisualPlugin visualPlugin2d = visualPlugin as I2DVisualPlugin;
if (visualPlugin2d != null)
{
visualPlugin2d.Render2D(this.EventType, pluginViewState.PluginViewSettings, context, texture, 0, 0, scaledWidth, scaledHeight);
}
I3DVisualPlugin visualPlugin3d = visualPlugin as I3DVisualPlugin;
if (visualPlugin3d != null)
{
visualPlugin3d.Render3D(this.EventType, pluginViewState.PluginViewSettings, context, texture);
}
}
}
}
this.OnEndRender(context, texture, scaledWidth, scaledHeight);
this.renderTarget.EndRender();
}
}
context.EndRender();
}
}
}
return(result);
}
