<> <> <> <<>> DIRECTORY Imager USING [Context], Rope USING [ROPE]; Icons: CEDAR DEFINITIONS = BEGIN iconW: INTEGER = 64; iconH: INTEGER = 64; IconFlavor: TYPE = MACHINE DEPENDENT { -- pre-defined icons document(0), dirtyDocument(1), fileCabinet(2), tool(3), typescript(4), private(177776B), -- will cause call of viewer paintProc to paint icon unInit(177777B) -- flag for unitialised icon type }; IconRef: TYPE = REF IconRep; IconRep: TYPE = MACHINE DEPENDENT RECORD [ bits: ARRAY [0..iconH*iconW/16) OF UNSPECIFIED, -- bit pattern; (required to be first field!) label: BOOL _ FALSE, -- if true, label icon with viewer name invertLabel: BOOL _ FALSE, -- if true, label drawn with white bits filler: [0..16384) _ 0, -- unused lx, ly, lw, lh: INTEGER _ 0, -- rectangle for label (from bottom left) proc: DrawIconProc _ NIL -- proc to draw pattern ]; DrawIconProc: TYPE = PROC [flavor: IconFlavor, context: Imager.Context, x, y: INTEGER _ 0, label: Rope.ROPE _ NIL] ; DrawIcon: DrawIconProc ; <> NewIcon: PROC [info: IconRef] RETURNS [newFlavor: IconFlavor] ; <> NewIconFromFile: PROC [file: Rope.ROPE, n: CARDINAL] RETURNS [newFlavor: IconFlavor]; <> <> IconFileFormat: TYPE = MACHINE DEPENDENT RECORD [ bits: ARRAY [0..iconH*iconW/16) OF UNSPECIFIED _ ALL[0], label: BOOL _ FALSE, invertLabel: BOOL _ FALSE, filler: [0..16384) _ 0, -- leftovers lx, ly, lw, lh: INTEGER _ 0, empty: ARRAY [0..251) OF UNSPECIFIED _ ALL[0] -- leftovers ]; END.