GUI_retransient();
void GUI_PreviewEnd(void){ 	if(dialog && needDestroy) 		{			//printf("+X\n"); 		 	gtk_widget_destroy(dialog);			//printf("-X\n"); 		} 	if(rgb_render) 		{ 		 	delete [] rgb_render; 		 	rgb_render=NULL; 		 	delete [] rgb_alternate;			rgb_alternate=NULL; 		}	dialog=NULL;  	needDestroy=0;}