(DEFINE-FILE-INFO PACKAGE "INTERLISP" READTABLE "INTERLISP" BASE 10)

(FILECREATED " 8-Dec-87 17:13:07" |{MCS:MCS:STANFORD}<LANE>HPGL.;21|
 41881  

      changes to%:  (FNS \COLOR.HPGL \FILL.HPGL)
                    (VARS HPGLCOMS)
                    (RECORDS RGB)

      previous date%: "10-Nov-87 15:37:41" |{MCS:MCS:STANFORD}<LANE>HPGL.;17|)


(* "
Copyright (c) 1985, 1986, 1987 by Stanford University.  All rights reserved.
")

(PRETTYCOMPRINT HPGLCOMS)

(RPAQQ HPGLCOMS
 
       ((* * User Functions)
        (FNS MAKEHPGL OPENHPGLSTREAM HARDCOPYW.HPGL)
        (* * ImageOp Functions)
        (FNS \BITBLT.HPGL \BLTSHADE.HPGL \CLOSEFN.HPGL \COLOR.HPGL \DRAWARC.HPGL \DRAWCIRCLE.HPGL 
             \DRAWCURVE.HPGL \DRAWLINE.HPGL \DRAWPOLYGON.HPGL \FILLCIRCLE.HPGL \FONT.HPGL 
             \LEFTMARGIN.HPGL \LINEFEED.HPGL \MOVETO.HPGL \RESET.HPGL \RIGHTMARGIN.HPGL \ROTATE.HPGL 
             \SCALEDBITBLT.HPGL \STRINGWIDTH.HPGL \CLIPPINGREGION.HPGL \TERPRI.HPGL \XPOSITION.HPGL 
             \YPOSITION.HPGL)
        (* * Internal Functions)
        (FNS \DUMPSTRING.HPGL \FONTCREATE.HPGL \INIT.HPGL \OUTCHAR.HPGL \SEARCH.HPGL.FONTS \FILL.HPGL 
             \DASHING.HPGL)
        (* * etc.)
        (VARS HPGL.FONTS HPGL.OPTIONS HPGL.FONT.EXPANSIONS HPGL.DASHING (SKETCHINCOLORFLG T))
        (INITVARS (HPGL.TERMINATOR (CHARACTER (CHARCODE ;)))
               (HPGL.SEPARATOR (CHARACTER (CHARCODE %,)))
               (HPGL.TEXT.TERMINATOR (CHARACTER (CHARCODE ^A)))
               HPGL.CHORD.ANGLE HPGL.PATTERN.LENGTH \HPGLIMAGEOPS \NULLFDEV SK.DASHING.PATTERNS)
        (GLOBALVARS HPGL.FONTS HPGL.OPTIONS HPGL.FONT.EXPANSIONS HPGL.DASHING HPGL.TERMINATOR 
               HPGL.SEPARATOR HPGL.TEXT.TERMINATOR HPGL.CHORD.ANGLE HPGL.PATTERN.LENGTH \HPGLIMAGEOPS 
               \NULLFDEV)
        (DECLARE%: DOEVAL@COMPILE DONTCOPY (FILES UTILISOPRS)
               (ALISTS (PRINTOUTMACROS !, !; !!;))
               (RECORDS PLOTTERDATA))
        [ADDVARS (PRINTERTYPES ((PLOTTER HPGL)
                                (CANPRINT (HPGL))
                                (STATUS TRUE)
                                (BITMAPFILE (HARDCOPYW.HPGL FILE BITMAP SCALEFACTOR REGION ROTATION 
                                                   TITLE))
                                (PROPERTIES NILL)))
               [PRINTFILETYPES (HPGL (EXTENSION (HPGL PLOT))
                                     (CONVERSION (TEXT MAKEHPGL TEDIT
                                                       (LAMBDA (FILE PFILE)
                                                              (SETQ FILE (OPENTEXTSTREAM FILE))
                                                              (TEDIT.FORMAT.HARDCOPY FILE PFILE T NIL 
                                                                     NIL NIL 'HPGL)
                                                              (CLOSEF? FILE)
                                                              PFILE]
               (IMAGESTREAMTYPES (HPGL (OPENSTREAM OPENHPGLSTREAM)
                                       (FONTCREATE \FONTCREATE.HPGL)
                                       (FONTSAVAILABLE \SEARCH.HPGL.FONTS)
                                       (CREATECHARSET NILL]
        (P [if (FGETD (FUNCTION SK.DASHING.LABEL))
               then
               (for ENTRY in HPGL.DASHING do (push SK.DASHING.PATTERNS (LIST (SK.DASHING.LABEL
                                                                              (CDR ENTRY))
                                                                             (CDR ENTRY]
           (\INIT.HPGL))))
(* * User Functions)


(DEFINEQ

(MAKEHPGL

  [LAMBDA (FILE PFILE FONTS HEADING TABS)
                    (* cdl "12-Jun-85 11:22")

    (TEXTTOIMAGEFILE FILE PFILE 'HPGL FONTS HEADING TABS])

(OPENHPGLSTREAM

  [LAMBDA (FILE OPTIONS)
                                     (* ; "Edited  8-Sep-87 08:50 by cdl")

                                                             (* DECLARATIONS%: (RECORD PAIR

                                                             (KEY VALUE)))

    (LET (HPGLSTREAM POSITION (STREAM (OPENSTREAM FILE 'OUTPUT))
                (SCALE (create
 POSITION
                              XCOORD _ SCREENWIDTH
                              YCOORD _ SCREENHEIGHT)))
         (if
 (AND (SETQ POSITION (LISTGET OPTIONS 'SCALE))
                  (POSITIONP POSITION))
             then
 (SETQ SCALE POSITION))
         (SETQ HPGLSTREAM (create
 STREAM
                                 IMAGEOPS _ \HPGLIMAGEOPS
                                 IMAGEDATA _ (create
 PLOTTERDATA
                                                    PD.STREAM _ STREAM
                                                    PD.SCALE _ SCALE
                                                    PD.RIGHTMARGIN _ (with
 POSITION SCALE XCOORD))
                                 OUTCHARFN _ (FUNCTION \OUTCHAR.HPGL)
                                 CBUFPTR _ NIL
                                 CBUFSIZE _ 0
                                 DEVICE _ \NULLFDEV using
 STREAM))
         (with
 STREAM STREAM (SETQ LINELENGTH MAX.SMALLP))
         (with
 POSITION SCALE
               (printout STREAM "DF" !; "SC" "0" !, XCOORD !, "0" !, YCOORD !; "DT" !!; !;))
         [bind
 ENTRY for
 PAIR on
 OPTIONS by
 (CDDR PAIR)
            do
 (with
 PAIR PAIR (if
 (SETQ ENTRY (ASSOC KEY HPGL.OPTIONS))
                                   then
 (printout STREAM (CDR ENTRY)
                                               VALUE !;]
         (DSPFONT DEFAULTFONT HPGLSTREAM)
         (DSPRESET HPGLSTREAM)
         HPGLSTREAM])

(HARDCOPYW.HPGL

  [LAMBDA (FILE BITMAP SCALEFACTOR REGION ROTATION TITLE)
    (* cdl " 1-May-85 09:21")

    (PROG ((PFILE (OPENHPGLSTREAM
 FILE)))
          (with
 REGION REGION (BITBLT BITMAP LEFT BOTTOM PFILE NIL NIL WIDTH HEIGHT))
          (RETURN (CLOSEF PFILE])
)
(* * ImageOp Functions)


(DEFINEQ

(\BITBLT.HPGL

  [LAMBDA (BITMAP SOURCELEFT SOURCEBOTTOM STREAM DESTINATIONLEFT DESTINATIONBOTTOM WIDTH HEIGHT 
                 SOURCETYPE OPERATION TEXTURE CLIPPINGREGION CLIPPEDSOURCELEFT CLIPPEDSOURCEBOTTOM)

                                                             (* ; "Edited  8-Sep-87 08:41 by cdl")


    (\DUMPSTRING.HPGL
 STREAM)
    (bind
 (FILESTREAM _ (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                              PD.STREAM)) for
 Y from
 SOURCEBOTTOM
       to
 (SUB1 (PLUS SOURCEBOTTOM HEIGHT)) as
 J from
 DESTINATIONBOTTOM
       do
 (bind
 PI (STATE _ 0) for
 X from
 SOURCELEFT to
 (SUB1 (PLUS SOURCELEFT WIDTH)) as
 I
             from
 DESTINATIONLEFT
             do
 (if
 (NEQ STATE (BITMAPBIT BITMAP X Y))
                    then
 (if
 (ZEROP (SETQ STATE (IDIFFERENCE 1 STATE)))
                             then
 (printout FILESTREAM "PD")
                                  (if
 (NEQ PI (SUB1 I))
                                      then
 (printout FILESTREAM (SUB1 I)
                                                  !, J))
                                  (printout FILESTREAM !;)
                           else
 (printout FILESTREAM "PU" I !, J !;))
                         (SETQ PI I)) finally
 (if
 (NOT (ZEROP STATE))
                                                  then
 (printout FILESTREAM "PD")
                                                       (if
 (NEQ PI (SUB1 I))
                                                           then
 (printout FILESTREAM (SUB1 I)
                                                                       !, J))
                                                       (printout FILESTREAM !;)))
       finally
 (printout FILESTREAM "PU" !;))
    T])

(\BLTSHADE.HPGL

  [LAMBDA (TEXTURE STREAM DESTINATIONLEFT DESTINATIONBOTTOM WIDTH HEIGHT OPERATION CLIPPINGREGION)

                                                             (* ; "Edited 10-Nov-87 15:37 by cdl")


    (SUB1VAR WIDTH)
    (SUB1VAR HEIGHT)
    (if
 (AND (OR (ZEROP WIDTH)
                 (ZEROP HEIGHT))
             (EQ TEXTURE BLACKSHADE))
        then
 
          
          (* Get around bug in plotter hardware triggered by SKETCH boxes)


             (DRAWLINE DESTINATIONLEFT DESTINATIONBOTTOM (PLUS DESTINATIONLEFT WIDTH)
                    (PLUS DESTINATIONBOTTOM HEIGHT)
                    NIL OPERATION STREAM)
      else
 (IMAGEOP 'IMMOVETO STREAM STREAM DESTINATIONLEFT DESTINATIONBOTTOM)
           (\FILL.HPGL
 STREAM TEXTURE)
           (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                 (printout PD.STREAM "RA" (PLUS DESTINATIONLEFT WIDTH)
                        !,
                        (PLUS DESTINATIONBOTTOM HEIGHT)
                        !;)))
    T])

(\CLOSEFN.HPGL

  [LAMBDA (STREAM)
                                           (* ; "Edited  8-Sep-87 08:34 by cdl")


    (\DUMPSTRING.HPGL
 STREAM)
    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (printout PD.STREAM "PU" !;)
          (CLOSEF? PD.STREAM)
          (SETQ PD.STREAM NIL))
    T])

(\COLOR.HPGL

  [LAMBDA (STREAM COLOR)
                                     (* ; "Edited  8-Dec-87 17:10 by cdl")

                                                             (* DECLARATIONS%: (RECORD ENTRY

                                                             (NAME . VALUES)))

    (DECLARE
 (GLOBALVARS COLORNAMES))
    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (PROG1 PD.COLOR (if
 COLOR
                              then
 [if
 (LITATOM COLOR)
                                       then
 (SETQ COLOR
                                             (for
 ENTRY in
 COLORNAMES as
 I from
 1
                                                thereis
 (with
 ENTRY ENTRY (EQ COLOR NAME))
                                                yield
 (DIFFERENCE (LENGTH COLORNAMES)
                                                             I)))
                                     elseif
 (RGBP COLOR)
                                       then
 (SETQ COLOR
                                             (for
 ENTRY in
 COLORNAMES as
 I from
 1
                                                thereis
 (with
 ENTRY ENTRY (EQUAL COLOR VALUES))
                                                yield
 (DIFFERENCE (LENGTH COLORNAMES)
                                                             I]
                                   (if
 (AND (FIXP COLOR)
                                            (NEQ COLOR PD.COLOR))
                                       then
 (\DUMPSTRING.HPGL
 STREAM)
                                            (printout PD.STREAM "SP" (ADD1 (SETQ PD.COLOR COLOR))
                                                   !;])

(\DRAWARC.HPGL

  [LAMBDA (STREAM CENTERX CENTERY RADIUS STARTANGLE NDEGREES BRUSH DASHING)

                                                             (* ; "Edited 14-Sep-87 10:57 by cdl")


    (DECLARE
 (SPECVARS . T))
    (\DUMPSTRING.HPGL
 STREAM)
    [if
 (LISTP BRUSH)
        then
 (with
 BRUSH BRUSH (if
 BRUSHCOLOR
                                   then
 (IMAGEOP 'IMCOLOR STREAM STREAM BRUSHCOLOR]
    [RESETLST [RESETSAVE NIL `(\DASHING.HPGL
 ,STREAM ,(\DASHING.HPGL
 STREAM DASHING]
           [RESETSAVE NIL `(DSPCOLOR ,(IMAGEOP 'IMCOLOR STREAM STREAM
                                             (if
 (LISTP BRUSH)
                                                 then
 (with
 BRUSH BRUSH BRUSHCOLOR))) ,STREAM]
           (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                 (with
 POSITION PD.POSITION (printout PD.STREAM "PU" (SETQ XCOORD CENTERX)
                                                   !,
                                                   (SETQ YCOORD CENTERY)
                                                   !; "EW" RADIUS !, (PLUS STARTANGLE 90)
                                                   !, NDEGREES)
                       (if
 HPGL.CHORD.ANGLE
                           then
 (printout PD.STREAM !, HPGL.CHORD.ANGLE))
                       (printout PD.STREAM !;]
    T])

(\DRAWCIRCLE.HPGL

  [LAMBDA (STREAM CENTERX CENTERY RADIUS BRUSH DASHING)
      (* ; "Edited 14-Sep-87 10:54 by cdl")


    (DECLARE
 (SPECVARS . T))
    (\DUMPSTRING.HPGL
 STREAM)
    [if
 (LISTP BRUSH)
        then
 (with
 BRUSH BRUSH (if
 BRUSHCOLOR
                                   then
 (IMAGEOP 'IMCOLOR STREAM STREAM BRUSHCOLOR]
    [RESETLST [RESETSAVE NIL `(\DASHING.HPGL
 ,STREAM ,(\DASHING.HPGL
 STREAM DASHING]
           [RESETSAVE NIL `(DSPCOLOR ,(IMAGEOP 'IMCOLOR STREAM STREAM
                                             (if
 (LISTP BRUSH)
                                                 then
 (with
 BRUSH BRUSH BRUSHCOLOR))) ,STREAM]
           (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                 (with
 POSITION PD.POSITION (printout PD.STREAM "PU" (SETQ XCOORD CENTERX)
                                                   !,
                                                   (SETQ YCOORD CENTERY)
                                                   !; "CI" RADIUS)
                       (if
 HPGL.CHORD.ANGLE
                           then
 (printout PD.STREAM !, HPGL.CHORD.ANGLE))
                       (printout PD.STREAM !;]
    T])

(\DRAWCURVE.HPGL

  [LAMBDA (STREAM KNOTS CLOSED BRUSH DASHING)
                (* ; "Edited  8-Sep-87 11:25 by cdl")


    (DECLARE
 (SPECVARS . T))
    (\DUMPSTRING.HPGL
 STREAM)
    (if
 (FGETD 'DRAWCURVE.STREAM)
        then
 (RESETLST [RESETSAVE NIL `(DSPCOLOR ,(IMAGEOP 'IMCOLOR STREAM STREAM
                                                         (if
 (LISTP BRUSH)
                                                             then
 (with
 BRUSH BRUSH BRUSHCOLOR)))
                                              ,STREAM]
                    (DRAWCURVE.STREAM STREAM KNOTS CLOSED BRUSH DASHING))
      else
 (IMAGEOP 'IMDRAWPOLYGON STREAM STREAM KNOTS CLOSED BRUSH DASHING])

(\DRAWLINE.HPGL

  [LAMBDA (STREAM X1 Y1 X2 Y2 WIDTH OPERATION COLOR DASHING)
 (* ; "Edited  8-Sep-87 09:29 by cdl")


    (DECLARE
 (SPECVARS . T))
    [if
 [AND DASHING (NOT (bind
 (DASHING _ (MKLIST DASHING)) for
 ENTRY in
 HPGL.DASHING
                             thereis
 (EQUAL DASHING (CDR ENTRY]
        then
                                                 (* Not a hardware dashing pattern)

             (DRAWDASHEDLINE X1 Y1 X2 Y2 WIDTH OPERATION STREAM COLOR DASHING)
      else
 (\DUMPSTRING.HPGL
 STREAM)
           (RESETLST [RESETSAVE NIL `(\DASHING.HPGL
 ,STREAM ,(\DASHING.HPGL
 STREAM DASHING]
                  [RESETSAVE NIL `(DSPCOLOR ,(IMAGEOP 'IMCOLOR STREAM STREAM COLOR) ,STREAM]
                  (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                        (with
 POSITION PD.POSITION (if
 [NOT (AND (OR (EQ X1 T)
                                                                     (EQ X1 XCOORD))
                                                                 (OR (EQ Y1 T)
                                                                     (EQ Y1 YCOORD]
                                                       then
 (printout PD.STREAM "PU"
                                                                   (if
 (EQ X1 T)
                                                                       then
 XCOORD
                                                                     else
 X1)
                                                                   !,
                                                                   (if
 (EQ Y1 T)
                                                                       then
 YCOORD
                                                                     else
 Y1)
                                                                   !;))
                              (printout PD.STREAM "PD" (SETQ XCOORD X2)
                                     !,
                                     (SETQ YCOORD Y2)
                                     !;]
    T])

(\DRAWPOLYGON.HPGL

  [LAMBDA (STREAM POINTS CLOSED BRUSH DASHING)
               (* ; "Edited  8-Sep-87 08:22 by cdl")


    (DECLARE
 (SPECVARS . T))
    (\DUMPSTRING.HPGL
 STREAM)
    [RESETLST [RESETSAVE NIL `(\DASHING.HPGL
 ,STREAM ,(\DASHING.HPGL
 STREAM DASHING]
           [RESETSAVE NIL `(DSPCOLOR ,(IMAGEOP 'IMCOLOR STREAM STREAM
                                             (if
 (LISTP BRUSH)
                                                 then
 (with
 BRUSH BRUSH BRUSHCOLOR))) ,STREAM]
           (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                 (with
 POSITION (CAR POINTS)
                       (printout PD.STREAM "PU" XCOORD !, YCOORD !; "PD"))
                 (for
 POINT on
 (CDR POINTS) do
 (with
 POSITION (CAR POINT)
                                                     (printout PD.STREAM XCOORD !, YCOORD))
                                               (if
 (CDR POINT)
                                                   then
 (printout PD.STREAM !,)))
                 (if
 CLOSED
                     then
 (with
 POSITION (CAR POINTS)
                                (printout PD.STREAM XCOORD !, YCOORD)))
                 (PRINTOUT PD.STREAM !;)
                 (with
 POSITION (CAR (LAST POINTS))
                       (create
 POSITION
                              XCOORD _ XCOORD
                              YCOORD _ YCOORD smashing
 PD.POSITION]
    T])

(\FILLCIRCLE.HPGL

  [LAMBDA (STREAM CENTERX CENTERY RADIUS TEXTURE)
            (* ; "Edited 14-Sep-87 11:25 by cdl")


    (\DUMPSTRING.HPGL
 STREAM)
    (\FILL.HPGL
 STREAM TEXTURE)
    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (with
 POSITION PD.POSITION (printout PD.STREAM "PU" (SETQ XCOORD CENTERX)
                                            !,
                                            (SETQ YCOORD CENTERY)
                                            !; "WG" RADIUS !, "0" !, "360")
                (if
 HPGL.CHORD.ANGLE
                    then
 (printout PD.STREAM !, HPGL.CHORD.ANGLE))
                (printout PD.STREAM !;)))
    T])

(\FONT.HPGL

  [LAMBDA (STREAM FONT)
                                      (* ; "Edited  8-Sep-87 08:25 by cdl")

                                                             (* DECLARATIONS%: (RECORD FACE

                                                             (WEIGHT SLOPE EXPANSION)))

    [if
 (type?
 FONTCLASS FONT)
        then
 (SETQ FONT (FONTCLASSCOMPONENT FONT (IMAGESTREAMTYPE STREAM]
    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (if
 (AND FONT (NEQ FONT PD.FONT))
              then
 (\DUMPSTRING.HPGL
 STREAM)
                   [with
 FONTDESCRIPTOR FONT (if
 (NEQ FONTFAMILY (fetch
 FONTFAMILY of
 PD.FONT))
                                                 then
 (printout PD.STREAM "CS"
                                                             (OR (CDR (FASSOC FONTFAMILY HPGL.FONTS))
                                                                 (CONSTANT null))
                                                             !;))
                         (if
 (NEQ ROTATION (fetch
 ROTATION of
 PD.FONT))
                             then
 (printout PD.STREAM "DI")
                                  (if
 (AND ROTATION (NOT (ZEROP ROTATION)))
                                      then
 (printout PD.STREAM (COS ROTATION)
                                                  !,
                                                  (SIN ROTATION)))
                                  (printout PD.STREAM !;))
                         (with
 POSITION PD.SCALE (printout PD.STREAM "SR")
                               (PRINTNUM '(FLOAT NIL 3)
                                      (QUOTIENT (QUOTIENT [TIMES FONTAVGCHARWIDTH
                                                                 (with
 FACE FONTFACE
                                                                       (CDR (ASSOC EXPANSION 
                                                                                 HPGL.FONT.EXPANSIONS
                                                                                   ]
                                                       3)
                                             XCOORD)
                                      PD.STREAM)
                               (printout PD.STREAM !,)
                               (PRINTNUM '(FLOAT NIL 3) (QUOTIENT (TIMES \SFHeight 100.0)
                                                               YCOORD)
                                      PD.STREAM)
                               (printout PD.STREAM !;))
                         (with
 FACE FONTFACE (if
 (NEQ SLOPE (fetch
 (FACE SLOPE)
                                                               of
 (fetch
 FONTFACE of
 PD.FONT)))
                                                 then
 (printout PD.STREAM "SL"
                                                             (SELECTQ SLOPE
                                                                 (REGULAR (CONSTANT null))
                                                                 (ITALIC 1)
                                                                 (SHOULDNT))
                                                             !;]
                   (PROG1 PD.FONT (SETQ PD.FONT FONT))
            else
 PD.FONT])

(\LEFTMARGIN.HPGL

  [LAMBDA (STREAM XPOSITION)
                                 (* cdl "25-Jun-85 15:33")

    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (PROG1 PD.LEFTMARGIN (if
 XPOSITION
                                   then
 (SETQ PD.LEFTMARGIN XPOSITION])

(\LINEFEED.HPGL

  [LAMBDA (STREAM DELTAY)
                                    (* cdl "24-Jul-85 08:01")

    (MINUS (TIMES 2 (FONTPROP (with
 STREAM STREAM (with
 PLOTTERDATA IMAGEDATA PD.FONT))
                           'HEIGHT])

(\MOVETO.HPGL

  [LAMBDA (STREAM X Y)
                                       (* ; "Edited  8-Sep-87 10:39 by cdl")


    (\DUMPSTRING.HPGL
 STREAM)
    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (with
 POSITION PD.POSITION (printout PD.STREAM "PU" (SETQ XCOORD X)
                                            !,
                                            (SETQ YCOORD Y)
                                            !;)))
    T])

(\RESET.HPGL

  [LAMBDA (STREAM)
                                           (* cdl "19-Jul-85 16:30")

    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (IMAGEOP 'IMMOVETO STREAM STREAM PD.LEFTMARGIN (PLUS (with
 POSITION PD.SCALE YCOORD)
                                                               (IMAGEOP 'IMLINEFEED STREAM STREAM])

(\RIGHTMARGIN.HPGL

  [LAMBDA (STREAM XPOSITION)
                                 (* cdl "25-Jun-85 15:34")

    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (PROG1 PD.RIGHTMARGIN (if
 XPOSITION
                                    then
 (SETQ PD.RIGHTMARGIN XPOSITION])

(\ROTATE.HPGL

  [LAMBDA (STREAM ROTATION)
                                  (* ; "Edited  8-Sep-87 08:37 by cdl")


    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (PROG1 PD.ROTATION (if
 PD.ROTATION
                                 then
 (\DUMPSTRING.HPGL
 STREAM)
                                      (printout PD.STREAM "RO" PD.ROTATION !;])

(\SCALEDBITBLT.HPGL

  [LAMBDA (BITMAP SOURCELEFT SOURCEBOTTOM STREAM DESTINATIONLEFT DESTINATIONBOTTOM WIDTH HEIGHT 
                 SOURCETYPE OPERATION TEXTURE CLIPPINGREGION CLIPPEDSOURCELEFT CLIPPEDSOURCEBOTTOM 
                 SCALE)
                                      (* ; "Edited  8-Sep-87 08:43 by cdl")


    (\DUMPSTRING.HPGL
 STREAM)
    (bind
 (FILESTREAM _ (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
                              PD.STREAM))
          (SOURCEWIDTH _ (SUB1 (PLUS SOURCELEFT WIDTH))) for
 Y from
 SOURCEBOTTOM
       to
 (SUB1 (PLUS SOURCEBOTTOM HEIGHT)) as
 J from
 DESTINATIONBOTTOM by
 SCALE
       do
 [for
 Z from
 J to
 (PLUS J (SUB1 SCALE))
             do
 (bind
 PI LASTPOSITION (STATE _ 0) for
 X from
 SOURCELEFT to
 SOURCEWIDTH as
 I
                   from
 DESTINATIONLEFT by
 SCALE
                   do
 (if
 (NEQ STATE (BITMAPBIT BITMAP X Y))
                          then
 (if
 (ZEROP (SETQ STATE (DIFFERENCE 1 STATE)))
                                   then
 (printout FILESTREAM "PD")
                                        (if
 (NOT (IEQP PI (SUB1 I)))
                                            then
 (printout FILESTREAM (SUB1 I)
                                                        !, Z))
                                        (printout FILESTREAM !;)
                                 else
 (printout FILESTREAM "PU" I !, Z !;))
                               (SETQ PI I))
                   finally
 (if
 (NOT (ZEROP STATE))
                               then
 (printout FILESTREAM "PD")
                                    (if
 (NOT (IEQP PI (SUB1 I)))
                                        then
 (printout FILESTREAM (SUB1 I)
                                                    !, Z))
                                    (printout FILESTREAM !;] finally
 (printout FILESTREAM "PU" !;))
    T])

(\STRINGWIDTH.HPGL

  [LAMBDA (STREAM STRING RDTBL)
                              (* cdl "29-Apr-85 14:31")

    (STRINGWIDTH STRING (DSPFONT NIL STREAM)
           RDTBL RDTBL])

(\CLIPPINGREGION.HPGL

  [LAMBDA (STREAM REGION)
                                    (* cdl "16-Oct-85 10:57")

    (with
 STREAM STREAM (with
 PLOTTERDATA IMAGEDATA (with
 POSITION PD.SCALE
                                                          (CREATEREGION 0 0 XCOORD YCOORD])

(\TERPRI.HPGL

  [LAMBDA (STREAM)
                                           (* cdl "24-Jul-85 09:26")

    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (with
 POSITION PD.POSITION (IMAGEOP 'IMMOVETO STREAM STREAM PD.LEFTMARGIN
                                            (PLUS YCOORD (IMAGEOP 'IMLINEFEED STREAM STREAM])

(\XPOSITION.HPGL

  [LAMBDA (STREAM XPOSITION)
                                 (* ; "Edited  8-Sep-87 08:32 by cdl")


    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (with
 POSITION PD.POSITION (PROG1 XCOORD (if
 XPOSITION
                                                       then
 (\DUMPSTRING.HPGL
 STREAM)
                                                            (printout PD.STREAM "PU" (SETQ XCOORD 
                                                                                      XPOSITION)
                                                                   !, YCOORD !;])

(\YPOSITION.HPGL

  [LAMBDA (STREAM YPOSITION)
                                 (* ; "Edited  8-Sep-87 08:31 by cdl")


    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (with
 POSITION PD.POSITION (PROG1 YCOORD (if
 YPOSITION
                                                       then
 (\DUMPSTRING.HPGL
 STREAM)
                                                            (printout PD.STREAM "PU" XCOORD !,
                                                                   (SETQ YCOORD YPOSITION)
                                                                   !;])
)
(* * Internal Functions)


(DEFINEQ

(\DUMPSTRING.HPGL

  [LAMBDA (STREAM)
                                           (* ; "Edited  8-Sep-87 08:51 by cdl")


    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (if
 PD.TEXT
              then
 (printout PD.STREAM "LB")
                   (for
 CHARCODE in
 (DREVERSE PD.TEXT) do
 (BOUT PD.STREAM CHARCODE))
                   (printout PD.STREAM !!;)
                   (SETQ PD.TEXT NIL)
                   T])

(\FONTCREATE.HPGL

  [LAMBDA (FAMILY SIZE FACE ROTATION)
                        (* ; "Edited  4-Sep-87 15:13 by cdl")


    (if
 (ASSOC FAMILY HPGL.FONTS)
        then
 (LET ((WIDTHSBLOCK (\CREATECSINFOELEMENT))
                   (FONTDESCRIPTOR (create
 FONTDESCRIPTOR
                                          FONTDEVICE _ 'HPGL
                                          FONTFAMILY _ FAMILY
                                          FONTSIZE _ SIZE
                                          FONTFACE _ FACE
                                          ROTATION _ ROTATION
                                          \SFHeight _ SIZE
                                          \SFAscent _ SIZE
                                          \SFDescent _ 0)))
                  (bind
 (WIDTH _ (FIX (QUOTIENT (TIMES 3 SIZE)
                                             4))) for
 N from
 0 to
 254
                     do
 (\FSETWIDTH WIDTHSBLOCK N WIDTH))
                  (with
 FONTDESCRIPTOR FONTDESCRIPTOR
                        (\SETCHARSETINFO FONTCHARSETVECTOR 0
                               (create
 CHARSETINFO
                                      WIDTHS _ WIDTHSBLOCK
                                      IMAGEWIDTHS _ WIDTHSBLOCK
                                      CHARSETASCENT _ SIZE
                                      CHARSETDESCENT _ 0)))
                  FONTDESCRIPTOR)
      else
 (FONTCREATE (CAAR HPGL.FONTS)
                  SIZE FACE ROTATION 'HPGL])

(\INIT.HPGL

  [LAMBDA NIL
                                                (* ; "Edited  8-Sep-87 07:40 by cdl")


    (DECLARE
 (GLOBALVARS DEFAULTFONT LITTLEFONT BIGFONT BOLDFONT))
    (SETQ \NULLFDEV (create
 FDEV
                           CLOSEFILE _ (FUNCTION NILL)))
    (SETQ \HPGLIMAGEOPS (create
 IMAGEOPS
                               IMAGETYPE _ 'HPGL
                               IMCLOSEFN _ (FUNCTION \CLOSEFN.HPGL)
                               IMXPOSITION _ (FUNCTION \XPOSITION.HPGL)
                               IMYPOSITION _ (FUNCTION \YPOSITION.HPGL)
                               IMFONT _ (FUNCTION \FONT.HPGL)
                               IMLEFTMARGIN _ (FUNCTION \LEFTMARGIN.HPGL)
                               IMRIGHTMARGIN _ (FUNCTION \RIGHTMARGIN.HPGL)
                               IMLINEFEED _ (FUNCTION \LINEFEED.HPGL)
                               IMDRAWLINE _ (FUNCTION \DRAWLINE.HPGL)
                               IMDRAWCURVE _ (FUNCTION \DRAWCURVE.HPGL)
                               IMDRAWCIRCLE _ (FUNCTION \DRAWCIRCLE.HPGL)
                               IMDRAWELLIPSE _ (FUNCTION DRAWELLIPSEWITHDRAWCURVE)
                               IMFILLCIRCLE _ (FUNCTION \FILLCIRCLE.HPGL)
                               IMBITBLT _ (FUNCTION \BITBLT.HPGL)
                               IMBLTSHADE _ (FUNCTION \BLTSHADE.HPGL)
                               IMMOVETO _ (FUNCTION \MOVETO.HPGL)
                               IMSCALE _ [FUNCTION (LAMBDA (STREAM SCALE)
                                                     1]
                               IMTERPRI _ (FUNCTION \TERPRI.HPGL)
                               IMFONTCREATE _ 'HPGL
                               IMCOLOR _ (FUNCTION \COLOR.HPGL)
                               IMSTRINGWIDTH _ (FUNCTION \STRINGWIDTH.HPGL)
                               IMCHARWIDTH _ (FUNCTION \STRINGWIDTH.HPGL)
                               IMRESET _ (FUNCTION \RESET.HPGL)
                               IMCLIPPINGREGION _ (FUNCTION \CLIPPINGREGION.HPGL)
                               IMDRAWPOLYGON _ (FUNCTION \DRAWPOLYGON.HPGL)
                               IMSCALEDBITBLT _ (FUNCTION \SCALEDBITBLT.HPGL)
                               IMDRAWARC _ (FUNCTION \DRAWARC.HPGL)
                               IMROTATE _ (FUNCTION \ROTATE.HPGL)))
    (SETFONTCLASSCOMPONENT DEFAULTFONT 'HPGL (FONTCREATE 'STANDARD 10 NIL NIL 'HPGL))
    (SETFONTCLASSCOMPONENT LITTLEFONT 'HPGL (FONTCREATE 'STANDARD 8 NIL NIL 'HPGL))
    (SETFONTCLASSCOMPONENT BIGFONT 'HPGL (FONTCREATE 'STANDARD 12 NIL NIL 'HPGL))
    (SETFONTCLASSCOMPONENT BOLDFONT 'HPGL (FONTCREATE 'STANDARD 10 'BOLD NIL 'HPGL])

(\OUTCHAR.HPGL

  [LAMBDA (STREAM CHARCODE)
                                  (* cdl " 3-Oct-85 13:20")

    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (SELCHARQ CHARCODE
               (EOL (\TERPRI.HPGL
 STREAM))
               (if
 (AND (GEQ CHARCODE (CHARCODE SPACE))
                        (LEQ CHARCODE (CHARCODE ~)))
                   then
 (with
 POSITION PD.POSITION (add
 XCOORD (CHARWIDTH CHARCODE PD.FONT)))
                        (push
 PD.TEXT CHARCODE])

(\SEARCH.HPGL.FONTS

  [LAMBDA (FAMILY SIZE FACE ROTATION DEVICE)
                 (* cdl " 1-May-85 09:34")

    (if
 (EQ DEVICE 'HPGL)
        then
 (if
 (FASSOC FAMILY HPGL.FONTS)
                 then
 (LIST (LIST FAMILY SIZE FACE ROTATION DEVICE])

(\FILL.HPGL

  [LAMBDA (STREAM TEXTURE)
                                   (* ; "Edited  8-Dec-87 16:56 by cdl")

                                                             (* DECLARATIONS%: (RECORD TEXTURE

                                                             (TYPE SPACING ANGLE))

                                                             (RECORD TEXTURECOLORPAIR

                                                             (TEXURE COLOR)))

    (\DUMPSTRING.HPGL
 STREAM)
    (if
 (LISTP TEXTURE)
        then
 (SETQ TEXTURE (with
 TEXTURECOLORPAIR TEXTURE (if
 (RGBP COLOR)
                                                              then
 (IMAGEOP 'IMCOLOR STREAM STREAM 
                                                                          COLOR))
                                 TEXTURE)))
    [if
 (FIXP TEXTURE)
        then
 (SETQ TEXTURE (create
 TEXTURE
                                  TYPE _ (if
 (IEQP TEXTURE BLACKSHADE)
                                             then
 1
                                           elseif
 (IEQP TEXTURE WHITESHADE)
                                             then
 3
                                           else
 4)
                                  SPACING _ 0
                                  ANGLE _ (TIMES (LOGAND TEXTURE 3)
                                                 45]
    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (with
 TEXTURE TEXTURE (printout PD.STREAM "FT" (if
 (AND (FIXP TYPE)
                                                                  (GEQ TYPE 1)
                                                                  (LEQ TYPE 4))
                                                             then
 TYPE
                                                           else
 1)
                                       !,
                                       (if
 (FIXP SPACING)
                                           then
 SPACING
                                         else
 0)
                                       !,
                                       (if
 (AND (FIXP ANGLE)
                                                (ZEROP (IMOD ANGLE 45)))
                                           then
 ANGLE
                                         else
 0)
                                       !;)))
    T])

(\DASHING.HPGL

  [LAMBDA (STREAM DASHING)
                                   (* ; "Edited 14-Sep-87 11:28 by cdl")

                                                             (* DECLARATIONS%: (RECORD ENTRY

                                                             (INDEX . LENGTHS)))

    (with
 PLOTTERDATA (with
 STREAM STREAM IMAGEDATA)
          (PROG1 (if
 PD.DASHING
                     then
 (CDR (ASSOC PD.DASHING HPGL.DASHING)))
                 (if
 DASHING
                     then
 (LET (INDEX)
                               [if
 (SETQ DASHING (MKLIST DASHING))
                                   then
 (SETQ INDEX (for
 ENTRY in
 HPGL.DASHING
                                                       thereis
 (with
 ENTRY ENTRY (EQUAL DASHING 
                                                                                        LENGTHS))
                                                       yield
 (with
 ENTRY ENTRY INDEX]
                               (if
 (AND (FIXP INDEX)
                                        (NEQ INDEX PD.DASHING))
                                   then
 (\DUMPSTRING.HPGL
 STREAM)
                                        (printout PD.STREAM "LT" (SETQ PD.DASHING INDEX))
                                        (if
 HPGL.PATTERN.LENGTH
                                            then
 (printout PD.STREAM !, HPGL.PATTERN.LENGTH))
                                        (printout PD.STREAM !;)))
                   elseif
 PD.DASHING
                     then
 (\DUMPSTRING.HPGL
 STREAM)
                          (printout PD.STREAM "LT" !;)
                          (SETQ PD.DASHING NIL])
)
(* * etc.)



(RPAQQ HPGL.FONTS
 ((STANDARD . 0)
                   (9825 . 1)
                   (FRENCH . 2)
                   (SCANDINAVIAN . 3)
                   (SPANISH . 4)
                   (JISASCII . 6)
                   (ROMAN . 7)
                   (KATAKANA . 8)
                   (IRV . 9)
                   (SWEDISH . 30)
                   (SWEDISH2 . 31)
                   (NORWAY . 32)
                   (GERMAN . 33)
                   (FRENCH2 . 34)
                   (BRITISH . 35)
                   (ITALIAN . 36)
                   (SPANISH2 . 37)
                   (PORTUGUESE . 38)
                   (NORWAY2 . 39)))

(RPAQQ HPGL.OPTIONS
 ((ROTATE . "RO")
                     (VELOCITY . "VS")
                     (PAPER . "PS")
                     (TERMINATOR . "DT")))

(RPAQQ HPGL.FONT.EXPANSIONS
 ((REGULAR . 200.0)
                             (COMPRESSED . 100.0)
                             (EXPANDED . 400.0)))

(RPAQQ HPGL.DASHING
 ((1 1 49)
                     (2 25)
                     (3 35 15)
                     (4 39 5 1 5)
                     (5 35 5 5 5)
                     (6 25 5 5 5 5 5)))

(RPAQQ SKETCHINCOLORFLG
 T)

(RPAQ? HPGL.TERMINATOR
 (CHARACTER (CHARCODE ;)))

(RPAQ? HPGL.SEPARATOR
 (CHARACTER (CHARCODE %,)))

(RPAQ? HPGL.TEXT.TERMINATOR
 (CHARACTER (CHARCODE ^A)))

(RPAQ? HPGL.CHORD.ANGLE
 NIL)

(RPAQ? HPGL.PATTERN.LENGTH
 NIL)

(RPAQ? \HPGLIMAGEOPS
 NIL)

(RPAQ? \NULLFDEV
 NIL)

(RPAQ? SK.DASHING.PATTERNS
 NIL)
(DECLARE%: DOEVAL@COMPILE DONTCOPY

(GLOBALVARS HPGL.FONTS HPGL.OPTIONS HPGL.FONT.EXPANSIONS HPGL.DASHING HPGL.TERMINATOR HPGL.SEPARATOR 
       HPGL.TEXT.TERMINATOR HPGL.CHORD.ANGLE HPGL.PATTERN.LENGTH \HPGLIMAGEOPS \NULLFDEV)
)
(DECLARE%: DOEVAL@COMPILE DONTCOPY 
(FILESLOAD UTILISOPRS)


(ADDTOVAR PRINTOUTMACROS
 [!, (LAMBDA (COMS)
                                    (CONS '(PRIN1 HPGL.SEPARATOR NIL) (CDR COMS]
                         [!; (LAMBDA (COMS)
                                    (CONS '(PRIN1 HPGL.TERMINATOR NIL) (CDR COMS]
                         [!!; (LAMBDA (COMS)
                                     (CONS '(PRIN1 HPGL.TEXT.TERMINATOR NIL) (CDR COMS])

(DECLARE%: EVAL@COMPILE

(RECORD PLOTTERDATA
 (PD.STREAM PD.POSITION PD.FONT PD.TEXT PD.COLOR PD.SCALE PD.LEFTMARGIN 
                           PD.RIGHTMARGIN PD.DASHING PD.ROTATION)
                    PD.POSITION _ (create
 POSITION)
                    PD.COLOR _ 0 PD.LEFTMARGIN _ 0 PD.ROTATION _ 0)
)
)

(ADDTOVAR PRINTERTYPES
 ((PLOTTER HPGL)
                        (CANPRINT (HPGL))
                        (STATUS TRUE)
                        (BITMAPFILE (HARDCOPYW.HPGL FILE BITMAP SCALEFACTOR REGION ROTATION TITLE))
                        (PROPERTIES NILL)))

(ADDTOVAR PRINTFILETYPES
 [HPGL (EXTENSION (HPGL PLOT))
                               (CONVERSION (TEXT MAKEHPGL TEDIT
                                                 (LAMBDA (FILE PFILE)
                                                        (SETQ FILE (OPENTEXTSTREAM FILE))
                                                        (TEDIT.FORMAT.HARDCOPY FILE PFILE T NIL NIL 
                                                               NIL 'HPGL)
                                                        (CLOSEF? FILE)
                                                        PFILE])

(ADDTOVAR IMAGESTREAMTYPES
 (HPGL (OPENSTREAM OPENHPGLSTREAM)
                                 (FONTCREATE \FONTCREATE.HPGL)
                                 (FONTSAVAILABLE \SEARCH.HPGL.FONTS)
                                 (CREATECHARSET NILL)))
[if (FGETD (FUNCTION SK.DASHING.LABEL))
    then
    (for ENTRY in HPGL.DASHING do (push SK.DASHING.PATTERNS (LIST (SK.DASHING.LABEL (CDR ENTRY))
                                                                  (CDR ENTRY]
(\INIT.HPGL)
(PUTPROPS HPGL COPYRIGHT ("Stanford University" 1985 1986 1987))
(DECLARE%: DONTCOPY
  (FILEMAP (NIL (3622 5974 (MAKEHPGL 3632 . 3799) (OPENHPGLSTREAM 3801 . 5686) (HARDCOPYW.HPGL 5688 . 
5972)) (6005 28210 (\BITBLT.HPGL 6015 . 7864) (\BLTSHADE.HPGL 7866 . 8914) (\CLOSEFN.HPGL 8916 . 9246)
 (\COLOR.HPGL 9248 . 11006) (\DRAWARC.HPGL 11008 . 12407) (\DRAWCIRCLE.HPGL 12409 . 13648) (
\DRAWCURVE.HPGL 13650 . 14365) (\DRAWLINE.HPGL 14367 . 16483) (\DRAWPOLYGON.HPGL 16485 . 17975) (
\FILLCIRCLE.HPGL 17977 . 18676) (\FONT.HPGL 18678 . 22023) (\LEFTMARGIN.HPGL 22025 . 22327) (
\LINEFEED.HPGL 22329 . 22576) (\MOVETO.HPGL 22578 . 23045) (\RESET.HPGL 23047 . 23418) (
\RIGHTMARGIN.HPGL 23420 . 23726) (\ROTATE.HPGL 23728 . 24115) (\SCALEDBITBLT.HPGL 24117 . 26108) (
\STRINGWIDTH.HPGL 26110 . 26297) (\CLIPPINGREGION.HPGL 26299 . 26599) (\TERPRI.HPGL 26601 . 26956) (
\XPOSITION.HPGL 26958 . 27592) (\YPOSITION.HPGL 27594 . 28208)) (28242 37902 (\DUMPSTRING.HPGL 28252
 . 28719) (\FONTCREATE.HPGL 28721 . 30240) (\INIT.HPGL 30242 . 32928) (\OUTCHAR.HPGL 32930 . 33452) (
\SEARCH.HPGL.FONTS 33454 . 33727) (\FILL.HPGL 33729 . 36168) (\DASHING.HPGL 36170 . 37900)))))
STOP