<> <> DIRECTORY Imager, ImagerPixelMaps, ViewerClasses; ImagerTestViewer: CEDAR DEFINITIONS ~ BEGIN NewViewer: PROC RETURNS [ViewerClasses.Viewer]; Canvas: PROC [viewer: ViewerClasses.Viewer] RETURNS [ImagerPixelMaps.PixelMap]; <> Context: PROC [viewer: ViewerClasses.Viewer] RETURNS [Imager.Context]; <> Painter: PROC [viewer: ViewerClasses.Viewer, paint: PROC [Imager.Context, REF ANY], data: REF ANY _ NIL]; <> END.