databartruncated.ps.src

% 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 databartruncated--
% --REQUIRES preamble loadctx unloadctx raiseerror processoptions renlinear renmatrix databaromni--
% --DESC: GS1 DataBar Truncated
% --EXAM: (01)09521234543213
% --EXOP:
% --RNDR: renlinear renmatrix
/setpacking where {pop currentpacking true setpacking} if
10 dict
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
dup /databaromni dup /uk.co.terryburton.bwipp findresource put
begin
/databartruncated {

    20 dict begin                 % Confine variables to local scope

    /ctx null def
    /dontdraw false def

    //processoptions exec /options exch def
    /barcode exch def

    % Validate the input
    barcode length 17 ne barcode length 18 ne and {
        /bwipp.databartruncatedBadLength (GS1 DataBar Truncated must be 13 or 14 digits) //raiseerror exec
    } if
    barcode 0 4 getinterval (\(01\)) ne {
        /bwipp.databartruncatedBadAI (GS1 DataBar Truncated must begin with (01) application identifier) //raiseerror exec
    } if
    barcode 4 barcode length 4 sub getinterval {
        dup 48 lt exch 57 gt or {
            /bwipp.databartruncatedBadCharacter (GS1 DataBar Truncated must contain only digits) //raiseerror exec
        } if
    } forall

    % Calculate checksum and add to end of barcode
    /checksum 0 def
    0 1 12 {
        /i exch def
        /checksum checksum barcode i 4 add get 48 sub i 2 mod 0 eq {3 mul} if add def
    } for
    /checksum 10 checksum 10 mod sub 10 mod def
    barcode length 18 eq {
        barcode 17 get checksum 48 add ne {
            /bwipp.databartruncatedBadCheckDigit (Incorrect GS1 DataBar Truncated check digit provided) //raiseerror exec
        } if
    } if
    18 string
    dup 0 barcode putinterval
    dup 17 checksum 48 add put
    /barcode exch def

    % Get the result of encoding with databaromni with format=truncated
    options (dontdraw) true put
    options (format) (truncated) put

    /args barcode options //databaromni exec def

    args (opt) options put
    args

    dontdraw not //renlinear if

    end

}
[/barcode] {null def} forall
bind def
/databartruncated dup load /uk.co.terryburton.bwipp defineresource pop
end
/setpacking where {pop setpacking} if
% --END ENCODER databartruncated--