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code2of5.ps.src
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% Barcode Writer in Pure PostScript
% https://bwipp.terryburton.co.uk
%
% Copyright (c) 2004-2024 Terry Burton
%
% $Id$
%
% Permission is hereby granted, free of charge, to any
% person obtaining a copy of this software and associated
% documentation files (the "Software"), to deal in the
% Software without restriction, including without
% limitation the rights to use, copy, modify, merge,
% publish, distribute, sublicense, and/or sell copies of
% the Software, and to permit persons to whom the Software
% is furnished to do so, subject to the following
% conditions:
%
% The above copyright notice and this permission notice
% shall be included in all copies or substantial portions
% of the Software.
%
% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
% KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
% THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
% PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
% THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
% DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
% CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
% CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
% IN THE SOFTWARE.
% --BEGIN ENCODER code2of5--
% --REQUIRES preamble loadctx unloadctx raiseerror processoptions renlinear--
% --DESC: Code 25
% --EXAM: 01234567
% --EXOP: includetext includecheck includecheckintext
% --RNDR: renlinear
/setpacking where {pop currentpacking true setpacking} if
10 dict
dup /loadctx dup /uk.co.terryburton.bwipp findresource put
dup /unloadctx dup /uk.co.terryburton.bwipp findresource put
dup /raiseerror dup /uk.co.terryburton.bwipp findresource put
dup /processoptions dup /uk.co.terryburton.bwipp findresource put
dup /renlinear dup /uk.co.terryburton.bwipp findresource put
begin
/code2of5 {
20 dict begin % Confine variable to local scope
/ctx null def
/dontdraw false def
/includecheck false def
/validatecheck false def
/includetext false def % Enable/disable text
/includecheckintext false def
/textfont /Courier def
/textsize 10.0 def
/textyoffset -7.0 def
/height 1.0 def
/version (industrial) def
//processoptions exec /options exch def
/barcode exch def
barcode () eq {
/bwipp.code2of5emptyData (The data must not be empty) //raiseerror exec
} if
/code2of5 //loadctx exec
% Validate input
barcode {
dup 48 lt exch 57 gt or {
/bwipp.code2of5badCharacter (Code 25 must contain only digits) //raiseerror exec
} if
} forall
/barlen barcode length validatecheck {1 sub} if def
/checksum 0 def
0 1 barlen 1 sub {
/i exch def
/checksum checksum barcode i get 48 sub barlen i sub 2 mod 0 ne {3 mul} if add def
} for
/checksum 10 checksum 10 mod sub 10 mod def
validatecheck {
barcode barlen get checksum 48 add ne {
/bwipp.code2of5badCheckDigit (Incorrect Code 25 check digit provided) //raiseerror exec
} if
/barcode barcode 0 barlen getinterval def
/includecheck true def
} if
% Create an array containing the character mappings
{
/versions <<
/industrial
[ (1111313111) (3111111131) (1131111131) (3131111111)
(1111311131) (3111311111) (1131311111) (1111113131)
(3111113111) (1131113111) (313111) (31113)
]
/iata
[ (1111313111) (3111111131) (1131111131) (3131111111)
(1111311131) (3111311111) (1131311111) (1111113131)
(3111113111) (1131113111) (1111) (311)
]
/matrix
[ (113311) (311131) (131131) (331111) (113131) (313111)
(133111) (111331) (311311) (131311) (311111) (31111)
]
/coop
[ (331111) (111331) (113131) (113311) (131131) (131311)
(133111) (311131) (311311) (313111) (3131) (133)
]
/datalogic
[ (113311) (311131) (131131) (331111) (113131) (313111)
(133111) (111331) (311311) (131311) (1111) (311)
]
>> def
} ctxdef
versions version known not {
/bwipp.code2of5badVersion (Unrecognised Code 25 version) //raiseerror exec
} if
/encs versions version get def
/cs encs 0 get length def
/cw 0 encs 0 get {48 sub add} forall def
/ss encs 10 get length def
/sw 0 encs 10 get {48 sub add} forall def
/es encs 11 get length def
% Create a string of the available characters
{
/barchars (0123456789) def
} ctxdef
/sbs barlen includecheck {1 add} if cs mul ss add es add string def
/txt barlen includecheck {1 add} if array def
% Put the start character
sbs 0 encs 10 get putinterval
0 1 barlen 1 sub {
/i exch def
% Lookup the encoding for the each barcode character
barcode i 1 getinterval barchars exch search
pop % Discard true leaving pre
length /indx exch def % indx is the length of pre
pop pop % Discard seek and post
/enc encs indx get def % Get the indxth encoding
sbs i cs mul ss add enc putinterval % Put encoded digit into sbs
txt i [barcode i 1 getinterval i cw mul sw add textyoffset textfont textsize] put
} for
% Put the checksum and end characters
includecheck {
sbs barlen cs mul ss add encs checksum get putinterval
sbs barlen cs mul cs add ss add encs 11 get putinterval
includecheckintext {
txt barlen [barchars checksum 1 getinterval barlen cw mul sw add textyoffset textfont textsize] put
} {
txt barlen [( ) barlen cw mul sw add textyoffset textfont textsize] put
} ifelse
} {
sbs barlen cs mul ss add encs 11 get putinterval
} ifelse
% Return the arguments
<<
/ren /renlinear
/sbs [sbs {48 sub} forall]
/bhs [sbs length 1 add 2 idiv {height} repeat]
/bbs [sbs length 1 add 2 idiv {0} repeat]
includetext {
/txt txt
} if
/opt options
>>
dontdraw not //renlinear if
//unloadctx exec
end
}
[/barcode] {null def} forall
bind def
/code2of5 dup load /uk.co.terryburton.bwipp defineresource pop
end
/setpacking where {pop setpacking} if
% --END ENCODER code2of5--