+extern void AxWin4_DamageRect(tAxWin4_Window *Window, unsigned int X, unsigned int Y, unsigned int W, unsigned int H);
+extern void* AxWin4_GetWindowBuffer(tAxWin4_Window *Window);
+
+/**
+ * \brief Set the render clipping region. Any attempts to render outside this area will silently fail
+ * \param Window Target window
+ *
+ * \note Allows clipping other render functions to avoid excessive redraws
+ * \note Cleared when \a AxWin4_DamageRect is called, or when called with a zero width or height
+ */
+extern void AxWin4_SetRenderClip(tAxWin4_Window *Window, int X, int Y, unsigned int W, unsigned int H);
+
+/**
+ * \brief Draw a user-supplied bitmap to the window
+ * \param Data Bitmap data in the same format as the window's back buffer
+ * \note VERY SLOW
+ */