* Added the ability to change screen modes on the fly. This works both in OpenGL and SDL modes. * Added IEngineChangeListener so the client can update the cameras viewport if the screen mode has been changed. I chose to do it this way because the engine has no way to know which camera it should update. It will be up to the client to do it. * The cursor surface is now correctly freed when exiting. * Added DeviceCaps::getNearestScreenMode() for the client to request a supported screen mode. closes[t:315]

--- a/engine/core/video/image.h	Fri Oct 15 18:54:34 2010 +0000
+++ b/engine/core/video/image.h	Thu Oct 21 18:50:50 2010 +0000
@@ -146,6 +146,10 @@
 		 */
 		Image(const uint8_t* data, unsigned int width, unsigned int height);
 
+		/** Invalidates the Image causing it to be reset or re-loaded
+		 */
+		virtual void invalidate() = 0;
+
 		/** Renders itself to the Destination surface at the rectangle rect.
 		 *
 		 * @param rect The position and clipping where to draw this image to.