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%    Copyright (C) 1993, 1994, 1995, 1997 Aladdin Enterprises.  All rights reserved.% % This software is provided AS-IS with no warranty, either express or% implied.% % This software is distributed under license and may not be copied,% modified or distributed except as expressly authorized under the terms% of the license contained in the file LICENSE in this distribution.% % For more information about licensing, please refer to% http://www.ghostscript.com/licensing/. For information on% commercial licensing, go to http://www.artifex.com/licensing/ or% contact Artifex Software, Inc., 101 Lucas Valley Road #110,% San Rafael, CA  94903, U.S.A., +1(415)492-9861. % $Id: font2pcl.ps,v 1.5 2002/06/02 12:03:28 mpsuzuki Exp $% font2pcl.ps% Write out a font as a PCL bitmap font. /pcldict 60 dict def % Write out the current font as a PCL bitmap font.% The current transformation matrix defines the font size and orientation. /WriteResolution? false def	% true=use "resolution bound font" format,				% false=use older format /LJ4 false def			% true=use LJ4 Typeface code				% false=use LJIIP/IID/IIIx Typeface code pcldict begin		% internal procedures /findstring	% <string> <substring> findstring <bool> { search { pop pop pop true } { pop false } ifelse } def 	% Determine which set of keywords is present in a string.	% The last keyword set must be empty. /keysearch	% <string> <array of arrays of keywords> keysearch <index> { 0 1 2 index length 1 sub    { 2 copy get true exch       {	% Stack: <string> <a.a.k.> <index> <bool> <keyword>         4 index exch findstring and       }      forall       { 0 exch getinterval exit       }      if pop    }   for   exch pop length	% invalid index if missing } def 	% Determine the device height of a string in quarter-dots. /charheight		% <string> charheight <int> { gsave newpath 0 0 moveto false charpath   pathbbox exch pop exch sub exch pop 0 exch grestore   dtransform add abs 4 mul cvi } def 	% Compute an integer version of the transformed FontBBox. /inflate		% <num> inflate <num> { dup 0 gt { ceiling } { floor } ifelse } def/ixbbox			% - ixbbox <llx> <lly> <urx> <ury> { /FontBBox load aload pop		% might be executable or literal   4 2 roll transform exch truncate cvi exch truncate cvi   4 2 roll transform exch inflate cvi exch inflate cvi } def 	% Determine the original font of a possibly transformed font.	% Since some badly behaved PostScript files construct transformed	% fonts "by hand", we can't just rely on the OrigFont pointers.	% Instead, if a font with the given name exists, and if its	% entries for FontType and UniqueID match those of the font we	% obtain by following the OrigFont chain, we use that font. /origfont {  { dup /OrigFont known not { exit } if /OrigFont get } loop   FontDirectory 1 index /FontName get .knownget    {		% Stack: origfont namedfont      1 index /FontType get 1 index /FontType get eq       { 1 index /UniqueID .knownget	  { 1 index /UniqueID .knownget	     { eq { exch } if }	     { pop }            ifelse	  }	 if       }      if pop    }   if } def  	% Determine the bounding box of the current device's image.	% Free variables: row, zerow. /devbbox		% <rw> <rh> devbbox <ymin> <ymax1> <xmin> <xmax1> {		% Find top and bottom whitespace.   dup    { dup 0 eq { exit } if 1 sub      dup currentdevice exch row copyscanlines      zerow ne { 1 add exit } if    }   loop		% ymax1   0    { 2 copy eq { exit } if      dup currentdevice exch row copyscanlines      zerow ne { exit } if      1 add    }   loop		% ymin   exch		% Find left and right whitespace.   3 index 0		% Stack: rw rh ymin ymax1 xmin xmax1   3 index 1 4 index 1 sub    { currentdevice exch row copyscanlines .findzeros      exch 4 1 roll .max 3 1 roll .min exch    }   for		% xmin xmax1		% Special check: xmin > xmax1 if height = 0   2 copy gt { exch pop dup } if   6 -2 roll pop pop  } def 	% Write values on outfile.  /w1 { 255 and outfile exch write } def /w2 { dup -8 bitshift w1 w1 } def /wbyte			% <byte> <label> wbyte  { VDEBUG { print ( =byte= ) print dup == flush } { pop } ifelse w1  } def /wword			% <word16> <label> wword  { VDEBUG { print ( =word= ) print dup == flush } { pop } ifelse w2  } def /wdword		% <word32> <label> wdword  { VDEBUG { print ( =dword= ) print dup == flush } { pop } ifelse    dup -16 bitshift w2 w2  } def /style.posture.keys [ { (Italic) } { (Oblique) }   { } ] def/style.posture.values <010100> def /style.appearance.width.keys [ { (Ultra) (Compressed) }   { (Extra) (Compressed) }   { (Extra) (Condensed) }   { (Extra) (Extended) }   { (Extra) (Expanded) }   { (Compressed) }   { (Condensed) }   { (Extended) }   { (Expanded) }   { } ] def/style.appearance.width.values <04030207070201060600> def /width.type.keys [ { (Ultra) (Compressed) }   { (Extra) (Compressed) }   { (Extra) (Condensed) }   { (Extra) (Expanded) }   { (Compressed) }   { (Condensed) }   { (Expanded) }   { } ] def/width.type.values <fbfcfd03fdfe0200> def /stroke.weight.keys [ { (Ultra) (Thin) }   { (Ultra) (Black) }   { (Extra) (Thin) }   { (Extra) (Light) }   { (Extra) (Bold) }   { (Extra) (Black) }   { (Demi) (Light) }   { (Demi) (Bold) }   { (Semi) (Light) }   { (Semi) (Bold) }   { (Thin) }   { (Light) }   { (Bold) }   { (Black) }   { } ] def/stroke.weight.values <f907fafc0406fe02ff01fbfd030500> def /vendor.keys [ { (Agfa) }   { (Bitstream) }   { (Linotype) }   { (Monotype) }   { (Adobe) }   { } ] def/vendor.default.index 4 def		% might as well be Adobe/old.vendor.values <020406080a00> def/new.vendor.values <010203040500> def/vendor.initials (CBLMA\000) def currentdict readonly end pop		% pcldict  % Convert and write a PCL font for the current font and transformation. % Write the font header.  We split this off only to avoid overflowing% the limit on the maximum size of a procedure.% Free variables: outfile uury u0y rw rh orientation uh ully/writefontheader { outfile (\033\)s) writestring   outfile 64 WriteResolution? { 4 add } if     Copyright length add write==only   outfile (W) writestring   WriteResolution? { 20 68 } { 0 64 } ifelse     (Font Descriptor Size) wword     (Header Format) wbyte   1 (Font Type) wbyte   FullName style.posture.keys keysearch style.posture.values exch get   FullName style.appearance.width.keys keysearch     style.appearance.width.values exch get 4 mul add   PaintType 2 eq { 32 add } if     /style exch def   style -8 bitshift (Style MSB) wbyte   0 (Reserved) wbyte   /baseline uury 1 sub u0y sub def     baseline (Baseline Position) wword   rw (Cell Width) wword   rh (Cell Height) wword   orientation (Orientation) wbyte   FontInfo /isFixedPitch .knownget not { false } if    { 0 } { 1 } ifelse (Spacing) wbyte	% Use loop/exit to fake a multiple-exit block.    { Encoding StandardEncoding eq { 10 (J) exit } if      Encoding ISOLatin1Encoding eq { 11 (J) exit } if      Encoding SymbolEncoding eq { 19 (M) exit } if      Encoding DingbatsEncoding eq { 10 (L) exit } if%      (Warning: unknown Encoding, using ISOLatin1.\n) print flush      11 (J) exit    }   loop   0 get 64 sub exch 32 mul add (Symbol Set) wword   ( ) stringwidth pop 0 dtransform add abs 4 mul     /pitch exch def   pitch cvi (Pitch) wword   uh 4 mul (Height) wword			% Height   (x) charheight (x-Height) wword   FullName width.type.keys keysearch     width.type.values exch get (Width Type) wbyte   style 255 and (Style LSB) wbyte   FullName stroke.weight.keys keysearch     stroke.weight.values exch get (Stroke Weight) wbyte   FullName vendor.keys keysearch     dup vendor.initials exch get 0 eq      {		% No vendor in FullName, try Notice        pop Copyright vendor.keys keysearch	dup vendor.initials exch get 0 eq { pop vendor.default.index } if      }     if     /vendor.index exch def   0 (Typeface LSB) wbyte		% punt   0 (Typeface MSB) wbyte		% punt   0 (Serif Style) wbyte		% punt   2 (Quality) wbyte   0 (Placement) wbyte   gsave FontMatrix concat rot neg rotate   /ulwidth     FontInfo /UnderlineThickness .knownget      { 0 exch dtransform exch pop abs }      { resolution 100 div }     ifelse def   FontInfo /UnderlinePosition .knownget    { 0 exch transform exch pop negY ulwidth 2 div add }    { ully ulwidth add }   ifelse u0y sub   round cvi 1 .max 255 .min (Underline Position) wbyte   ulwidth round cvi 1 .max 255 .min (Underline Thickness) wbyte   grestore   uh 1.2 mul 4 mul cvi (Text Height) wword   (average lowercase character) dup stringwidth     pop 0 dtransform add abs     exch length div 4 mul cvi (Text Width) wword   0    { dup Encoding exch get /.notdef ne { exit } if      1 add    }   loop (First Code) wword   255    { dup Encoding exch get /.notdef ne { exit } if      1 sub    }   loop (Last Code) wword   pitch dup cvi sub 256 mul cvi (Pitch Extended) wbyte   0 (Height Extended) wbyte   0 (Cap Height) wword			% (default)   currentfont /UniqueID known { UniqueID } { 0 } ifelse     16#c1000000 add (Font Number (Adobe UniqueID)) wdword   FontName length 16 .max string     dup FontName exch cvs pop     outfile exch 0 16 getinterval writestring	% Font Name   WriteResolution?    { resolution dup (X Resolution) wword (Y Resolution) wword    }   if   outfile Copyright writestring	% Copyright } def /writePCL		% <fontfile> <resolution> writePCL - {   save   currentfont begin   pcldict begin   80 dict begin		% allow for recursion     /saved exch def     /resolution exch def     /outfile exch def   matrix currentmatrix dup 4 0 put dup 5 0 put setmatrix 	% Supply some default values so we don't have to check later.    currentfont /FontInfo known not { /FontInfo 1 dict def } if   currentfont /FontName known not { /FontName () def } if   /Copyright   FontInfo /Notice .knownget not { () } if   def   /FullName     FontInfo /FullName .knownget not      { FontName dup length string cvs }     if def 	% Determine the original font, and its relationship to this one.    /OrigFont currentfont origfont def   /OrigMatrix OrigFont /FontMatrix get def   /OrigMatrixInverse OrigMatrix matrix invertmatrix def   /ScaleMatrix matrix currentfont OrigFont ne    { FontMatrix exch OrigMatrixInverse exch concatmatrix    } if   def   /CurrentScaleMatrix     matrix currentmatrix     matrix defaultmatrix     dup 0 get 1 index 3 get mul 0 lt     1 index dup 1 get exch 2 get mul 0 gt or       /flipY exch def     dup invertmatrix     dup concatmatrix   def   /negY flipY { {neg} } { {} } ifelse def 	% Print debugging information.    /CDEBUG where { pop } { /CDEBUG false def } ifelse   /VDEBUG where { pop } { /VDEBUG false def } ifelse   CDEBUG { /VDEBUG true def } if   DEBUG    { (currentmatrix: ) print matrix currentmatrix ==      (defaultmatrix: ) print matrix defaultmatrix ==      (flipY: ) print flipY ==      (scaling matrix: ) print CurrentScaleMatrix ==      (FontMatrix: ) print FontMatrix ==      (FontBBox: ) print /FontBBox load ==      currentfont OrigFont ne       { OrigFont /FontName .knownget { (orig FontName: ) print == } if         (orig FontMatrix: ) print OrigMatrix ==       } if      currentfont /ScaleMatrix .knownget { (ScaleMatrix: ) print == } if      gsave	FontMatrix concat	(combined matrix: ) print matrix currentmatrix ==      grestore      flush    } if 	% Determine the orientation.    ScaleMatrix matrix currentmatrix dup concatmatrix   0 1 3    { 1 index 1 get 0 eq 2 index 2 get 0 eq and 2 index 0 get 0 gt and       { exit } if      pop -90 matrix rotate exch dup concatmatrix    }   for   dup type /integertype ne    { (Only rotations by multiples of 90 degrees are supported:\n) print      == flush      saved end end end restore stop    }   if   /orientation exch def   /rot orientation 90 mul def   DEBUG { (orientation: ) print orientation == flush } if    dup dup 0 get exch 3 get negY sub abs 0.5 ge    { (Only identical scaling in X and Y is supported:\n) print      exch flipY 3 array astore ==      currentdevice .devicename ==      matrix defaultmatrix == flush      saved end end end restore stop    }   if pop 	% Determine the font metrics, in the PCL character coordinate system,	% which has +Y going towards the top of the page.    gsave   FontMatrix concat     0 0 transform     negY round cvi /r0y exch def     round cvi /r0x exch def   ixbbox     negY /rury exch def  /rurx exch def     negY /rlly exch def  /rllx exch def     /rminx rllx rurx .min def     /rminy rlly negY rury negY .min def     /rw rurx rllx sub abs def     /rh rury rlly sub abs def   gsave rot neg rotate     0 0 transform     negY round cvi /u0y exch def     round cvi /u0x exch def   ixbbox     negY /uury exch def   /uurx exch def     negY /ully exch def   /ullx exch def     /uw uurx ullx sub def     /uh uury ully sub def   grestore   DEBUG     { (rmatrix: ) print matrix currentmatrix ==      (rFontBBox: ) print [rllx rlly rurx rury] ==      (uFontBBox: ) print [ullx ully uurx uury] ==      flush    } if   grestore 	% Disable the character cache, to avoid excessive allocation	% and memory sandbars.    mark cachestatus   /upper exch def   cleartomark 0 setcachelimit   	% Write the font header.    writefontheader 	% Establish an image device for rasterizing characters.    matrix currentmatrix     dup 4 rminx neg put     dup 5 rminy neg put	% Round the width up to a multiple of 8	% so we don't get garbage bits in the last byte of each row.   rw 7 add -8 and rh <ff 00> makeimagedevice     /cdevice exch def   nulldevice			% prevent page device switching   cdevice setdevice 	% Rasterize each character in turn.    /raster   rw 7 add 8 idiv   def   /row   raster string   def   /zerow   row length string   def   0 1 Encoding length 1 sub    { /cindex exch def      Encoding cindex get /.notdef ne       { VDEBUG { Encoding cindex get == flush } if         erasepage initgraphics	 0 0 moveto currentpoint transform add	 ( ) dup 0 cindex put show	 currentpoint transform add exch sub round cvi	   /cwidth exch abs def	 rw rh devbbox	 VDEBUG	  { (image bbox: ) print 4 copy 4 2 roll 4 array astore == flush	  } if		% Save the device bounding box.		% Note that this is in current device coordinates,		% not PCL (right-handed) coordinates.	 /bqx exch def  /bpx exch def  /bqy exch def  /bpy exch def		% Re-render with the character justified to (0,0).		% This may be either the lower left or the upper left corner.	 bpx neg bpy neg idtransform moveto	 erasepage	 VDEBUG { (show point: ) print [ currentpoint transform ] == flush } if	 ( ) dup 0 cindex put show		% Find the bounding box.  Note that xmin and ymin are now 0,		% xmax1 = xw, and ymax1 = yh.	 rw rh devbbox	   /xw exch def		% xmin or ymin can be non-zero only if the character is blank.	   xw 0 eq	    { pop }

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