WIP: Add CLipRects to UI7 Layouts

- Added Scissor Support to Font Rendering

include/pd/ui7/container/container.hpp

@@ -113,6 +113,11 @@ class PD_API Container {
   /** Template function to update internal data (if needed) */
   virtual void Update() {}
 
+  /** Internal function */
+  void PreDraw();
+  /** Internal function */
+  void PostDraw();
+
   /** Internal Input Handler */
   void HandleInternalInput();