extern STRETCHSKEW stretchSkew;
+class RegistrySettings;
+extern RegistrySettings registrySettings;
+
class ImageModel;
extern ImageModel imageModel;
extern BOOL askBeforeEnlarging;
extern BOOL showMiniature;
class CMainWindow;
+class CFullscreenWindow;
class CMiniatureWindow;
class CToolBox;
class CToolSettingsWindow;
class CTextEditWindow;
extern CMainWindow mainWindow;
+extern CFullscreenWindow fullscreenWindow;
extern CMiniatureWindow miniature;
extern CToolBox toolBoxContainer;
extern CToolSettingsWindow toolSettingsWindow;