<*PRAGMA LL*> INTERFACEGray ; IMPORT Pixmap; PROCEDURE New3x3(intensity:[0..9]):Pixmap.T; (* return a 3x3 1-bit "Pixmap.T" with "intensity" pixels lit *) PROCEDURE New4x4(intensity:[0..16]):Pixmap.T; (* return a 4x4 1-bit "Pixmap.T" with "intensity" pixels lit *) END Gray.