/// <summary>Renders a single control</summary>
/// <param name="controlToRender">Control that will be rendered</param>
private void renderControl(Controls.Control controlToRender)
{
IControlRendererAdapter renderer = null;
Type controlType = controlToRender.GetType();
// If this is an actual instance of the 'Control' class, don't render it.
// Such instances can be used to construct invisible containers, and are most
// prominently embodied in the 'desktop' control that hosts the whole GUI.
if (
(controlType == typeof(Controls.Control)) ||
(controlType == typeof(Controls.DesktopControl))
)
{
return;
}
// Find a renderer for this control. If no renderer for the control itself can
// be found, look for a renderer then can render its base class. This allows
// controls to inherit from existing controls, remaining renderable (but also
// gaining the ability to accept a specialized renderer for the new derived
// control class!). Normally, this loop will finish without any repetitions.
while (controlType != typeof(object))
{
bool found = this.employer.Renderers.TryGetValue(controlType, out renderer);
if (found)
{
break;
}
// Next, try the base class of this type
controlType = controlType.BaseType;
}
// If we found a renderer, use it to render the control
if (renderer != null)
{
renderer.Render(controlToRender, this.flatGuiGraphics);
}
else // No renderer found, output a warning
{
#if WINDOWS
Trace.WriteLine(
string.Format(
"Warning: No renderer found for control '{0}' or any of its base classes.\n" +
" Control will not be rendered.",
controlToRender.GetType().FullName.ToString()
)
);
#endif
}
}
/// <summary>Renders a single control</summary>
/// <param name="controlToRender">Control that will be rendered</param>
private void renderControl(Controls.Control controlToRender)
{
IControlRendererAdapter renderer = null;
Type controlType = controlToRender.GetType();
// If this is an actual instance of the 'Control' class, don't render it.
// Such instances can be used to construct invisible containers, and are most
// prominently embodied in the 'desktop' control that hosts the whole GUI.
if (
(controlType == typeof(Controls.Control)) ||
(controlType == typeof(Controls.DesktopControl))
)
{
return;
}
// Find a renderer for this control. If no renderer for the control itself can
// be found, look for a renderer then can render its base class. This allows
// controls to inherit from existing controls, remaining renderable (but also
// gaining the ability to accept a specialized renderer for the new derived
// control class!). Normally, this loop will finish without any repetitions.
while (controlType != typeof(object))
{
bool found = this.employer.Renderers.TryGetValue(controlType, out renderer);
if (found)
{
break;
}
// Next, try the base class of this type
controlType = controlType.BaseType;
}
// If we found a renderer, use it to render the control
if (renderer != null)
{
renderer.Render(controlToRender, this.flatGuiGraphics);
}
else
{ // No renderer found, output a warning
#if DEBUG
if (controlToRender.IsVisible == true)
{
logger.Warn("Impossible to find a control renderer for the component type : {0}, are you sure its assembly has been registered ??", controlToRender.GetType());
}
#endif
}
}