code.delx.au - gnu-emacs/blob - etc/ps-prin0.ps

   1 % === BEGIN ps-print prologue 0
   2 % version: 6.0
   3
   4 % Copyright (C) 2000, 2001  Free Software Foundation, Inc.
   5 %
   6 % This file is part of GNU Emacs.
   7 %
   8 % GNU Emacs is free software; you can redistribute it and/or modify
   9 % it under the terms of the GNU General Public License as published by
  10 % the Free Software Foundation; either version 2, or (at your option)
  11 % any later version.
  12 %
  13 % GNU Emacs is distributed in the hope that it will be useful,
  14 % but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 % GNU General Public License for more details.
  17 %
  18 % You should have received a copy of the GNU General Public License
  19 % along with GNU Emacs; see the file COPYING.  If not, write to the
  20 % Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 % Boston, MA 02110-1301, USA.
  22
  23 % As a special exception, the copyright holders of this module give
  24 % you permission to include the module in a Postscript file generated
  25 % by Emacs or other free software together with the result of
  26 % converting text to be printed, regardless of the license terms of
  27 % that text, and to use under terms of your choice the page images
  28 % resulting from formatting said combination.  If you modify this
  29 % module, you may extend this exception to your version of the module
  30 % but you are not obligated to do so.  If you do not wish to do so,
  31 % delete this exception statement from your version.
  32
  33
  34 %%BeginProcSet: ErrorHandler
  35 % Downloaded Error Break-page handler
  36 % Adapted from:
  37 %     PostScript Language Program Design,
  38 %     Adobe Systems Incorporated.
  39 %     Appendix A, pages 217-219
  40
  41 /ps$brkpage where{pop}
  42 {
  43  /ps$brkpage 64 dict def
  44  ps$brkpage begin
  45   /tx 0 def/ty 0 def/toy 0 def/tox 0 def
  46   /prnt{
  47    dup type/stringtype ne{=string cvs}if
  48    dup length 6 mul
  49    /tx exch def/ty 10 def
  50    currentpoint/toy exch def/tox exch def
  51    1 setgray newpath
  52    tox toy 2 sub moveto
  53    0 ty rlineto tx 0 rlineto
  54    0 ty neg rlineto
  55    closepath fill
  56    tox toy moveto 0 setgray show
  57   }bind def
  58   /nl{currentpoint exch pop lmargin exch moveto 0 -10 rmoveto}def
  59   /=={/cp 0 def typeprint nl}def
  60   /typeprint{dup type dup currentdict exch known{exec}{unknowntype}ifelse}readonly def
  61   /lmargin 72 def
  62   /rmargin 72 def
  63   /tprint{
  64    dup length cp add rmargin gt{nl/cp 0 def}if
  65    dup length cp add/cp exch def
  66    prnt
  67   }readonly def
  68   /cvsprint{=string cvs tprint( )tprint}readonly def
  69   /unknowntype{exch pop cvlit(??)tprint cvsprint}readonly def
  70   /integertype{cvsprint}readonly def
  71   /realtype{cvsprint}readonly def
  72   /booleantype{cvsprint}readonly def
  73   /operatortype{(//)tprint cvsprint}readonly def
  74   /marktype{pop(-mark-)tprint}readonly def
  75   /dicttype{pop(-dictionary-)tprint}readonly def
  76   /nulltype{pop(-null-)tprint}readonly def
  77   /filetype{pop(-filestream-)tprint}readonly def
  78   /savetype{pop(-savelevel-)tprint}readonly def
  79   /fonttype{pop(-fontid-)tprint}readonly def
  80   /nametype{dup xcheck not{(/)tprint}if cvsprint}readonly def
  81   /stringtype{
  82    dup rcheck
  83    {(\()tprint tprint(\))tprint}
  84    {pop(-string-)tprint}ifelse}readonly def
  85   /arraytype{
  86    dup rcheck
  87    {dup xcheck
  88     {({)tprint{typeprint}forall(})tprint}
  89     {([)tprint{typeprint}forall(])tprint}ifelse}
  90    {pop(-array-)tprint}ifelse}readonly def
  91   /packedarraytype{
  92    dup rcheck
  93    {dup xcheck
  94     {({)tprint{typeprint}forall(})tprint}
  95     {([)tprint{typeprint}forall(])tprint}ifelse}
  96    {pop(-packedarray-)tprint}ifelse}readonly def
  97   /courier/Courier findfont 10 scalefont def
  98   /OLDhandleerror errordict/handleerror get def
  99  end %ps$brkpage
 100
 101  /handleerror{
 102   systemdict begin $error begin ps$brkpage begin
 103   newerror
 104   {/newerror false store vmstatus pop pop 0 ne{grestoreall}if
 105    initgraphics
 106    ErrorMessage 1 and 0 ne{ % print on paper
 107     courier setfont lmargin 720 moveto
 108     (# ERROR: )prnt errorname prnt nl
 109     (# OFFENDING COMMAND: )prnt/command load prnt
 110     $error/ostack known
 111     {nl nl(# STACK:)prnt nl nl $error/ostack get aload length{==}repeat}if
 112     $error/errorinfo known
 113     {nl nl(# ERRORINFO:)prnt nl nl $error/errorinfo get aload length{==}repeat}if
 114     systemdict/showpage get exec}if
 115    ErrorMessage 2 and 0 ne{ % send back to printing system
 116     (\%\%[ Error: )print errorname =print
 117     (; OffendingCommand: )print/command load =print
 118     $error/errorinfo known
 119     {(; ErrorInfo:)print $error/errorinfo get aload length{( )=print =print}repeat}if
 120     ( ]\%\%)= flush
 121     (\%\%[ Rest of job is ignored ]\%\%)= flush}if
 122    /newerror true store}if
 123   end end end
 124   stop
 125  } % handleerror
 126  dup 0 systemdict put % replace name by actual dict object
 127  dup 4 ps$brkpage put % replace name by dict object
 128  bind readonly
 129
 130  errordict 3 1 roll put % put proc in errordict as /handleerror
 131 }ifelse
 132 %%EndProcSet
 133
 134
 135 % operators for language level 2 only
 136
 137 (<<)cvn where                   % << operator
 138 {pop/BMark(<<)cvn load def}
 139 {/BMark{mark}bind def}ifelse
 140 (>>)cvn where                   % >> operator
 141 {pop/EMark(>>)cvn load def}
 142 {/EMark{counttomark 2 idiv dup dict begin{def}repeat pop currentdict end}bind def}ifelse
 143 /setpagedevice where            % setpagedevice
 144 {pop}
 145 {/setpagedevice{pop}bind def}ifelse
 146 /packedarray where              % packedarray
 147 {pop}
 148 {/packedarray{array astore readonly}bind def}ifelse
 149
 150
 151 % device dependent operators
 152
 153 /DefOp{
 154  dup where{pop pop pop}
 155  {exch dup where{pop}{pop/pop}ifelse load def}ifelse}def
 156
 157 /duplexmode/setduplexmode DefOp
 158 /tumble/settumble DefOp
 159
 160 % === END ps-print prologue 0