%!PS % Append to BWIPP barcode.ps: cat /build/monolithic/barcode.ps bwipp_dump-barcode.ps.cat > bwipp_dump.ps % % To compress: tar cv bwipp_dump.ps | xz -e9 > bwipp_dump.ps.tar.xz % Dumps BWIPP barcode binary to stdout. If `-sn` given, appends a newline after each symbol row, otherwise doesn't. % % To run e.g. gs -dNOPAUSE -dBATCH -dNODISPLAY -q -sb=databarexpanded -sd='(01)98898765432106' -so='includetext segments=6' bwipp_dump.ps % where % `-sb=` is the BWIPP barcode routine name % `-sd=` is the data (`sd2=` is also available for overspill data > 2K to get around Ghostscript arg_str_max) % `-so=` are options (as space separated key=val pairs (or just key if boolean true)) % For debugging the barcode can be rendered by leaving out `-dBATCH -dNODISPLAY`. Scaling can be specified by `-ss=` (default 2). % Command line "-s" options put into system dictionary as strings /n systemdict /n known def % Append d2 to d if given systemdict /d2 known { /d d length d2 length add string dup dup 0 d putinterval d length d2 putinterval def } if % Strip start/end parens from data if any d 0 1 getinterval (\() eq d d length 1 sub 1 getinterval (\)) eq and { /d d 1 d length 2 sub getinterval d length 2 sub string copy def } if % Options systemdict /o known { o type /stringtype eq o length 0 gt and { o length 2 ge { % Strip start/end parens from options if any o 0 1 getinterval (\() eq o o length 1 sub 1 getinterval (\)) eq and { /o o 1 o length 2 sub getinterval o length 2 sub string copy def } if } if 3 dict begin o { token not {exit} if dup length string cvs (=) search { cvlit exch pop exch def } { cvlit true def } ifelse } loop currentdict end /o exch def } { /o 1 dict def } ifelse } { /o 1 dict def } ifelse o (dontdraw) true put /ret d o b cvn /uk.co.terryburton.bwipp findresource exec def % pixs is renmatrix input ret /pixs known { b (maxicode) eq { /pixs 990 array def 0 1 989 { pixs exch 0 put } for ret /pixs get { pixs exch 1 put } forall } { /pixs ret /pixs get def } ifelse /xs systemdict /xs known { systemdict /xs get cvi } { 0 } ifelse def /xe systemdict /xe known { systemdict /xe get cvi } { 0 } ifelse def n xs 0 ne or xe 0 ne or ret /pixx known and { % If newlines or start/end indexes requested and have row width /pixx ret /pixx get def xs pixx pixs length 1 sub xe sub { % For i = xs; i < pixs length - xe; i += pixx pixs exch pixx xs sub xe sub getinterval { % For j = i; j < i + pixx - xs -xe; j++ 1 string cvs print } forall n { (\n) print } if } for } { % Else dump the whole thing, no newlines pixs { 1 string cvs print } forall } ifelse } { % sbs is renlinear input ret /sbs known { /sbs ret /sbs get def % Check if given preprocessor override systemdict /p known { /p systemdict /p get cvx def } { /p { false } def } ifelse % Check if given ratio arg to adjust width of bars/spaces (e.g. "0.6" reduces 3 -> 2, "1.3" increases 2 -> 3) systemdict /r known { /r systemdict /r get cvr def systemdict /c known { % Apply ceiling ratio beforehand /c systemdict /c get cvr def /f { c mul ceiling cvi r mul round cvi } def } { /f { r mul round cvi } def } ifelse } { /f {} def } ifelse % If should begin with space systemdict /bs known { (0) print } if % If should end sbs loop on bar (i.e. ignore last index of even-length sbs) /limit systemdict /elb known { sbs length 1 add 2 idiv 2 mul 2 sub } { sbs length 1 sub } ifelse def /nosbs false def % Check for pharmacode2 b (pharmacode2) eq { /nosbs true def /bhs ret /bhs get def /bbs ret /bbs get def 0 1 bbs length 1 sub { /i exch def i 0 ne { (0) print } if bbs i get 0.1 lt { bhs i get 0.3 gt { (1) print } { (0) print } ifelse } { bhs i get 0.1 gt { (1) print } { (0) print } ifelse } ifelse } for n { (\n) print } if 0 1 bbs length 1 sub { /i exch def i 0 ne { (0) print } if bbs i get 0.1 lt { bhs i get 0.1 gt { (1) print } { (0) print } ifelse } { bhs i get 0.3 gt { (1) print } { (0) print } ifelse } ifelse } for n { (\n) print } if } if % Check for 2-track postal b (postnet) eq b (planet) eq or { /nosbs true def /bhs ret /bhs get def 0 1 bhs length 1 sub { /i exch def i 0 ne { (0) print } if bhs i get 0.1 gt { (1) print } { (0) print } ifelse } for n { (\n) print } if 0 1 bhs length 1 sub { /i exch def i 0 ne { (0) print } if bhs i get 0.01 lt { (0) print } { (1) print } ifelse } for n { (\n) print } if } if % Check for 4-track postal b (auspost) eq b (kix) eq or b (royalmail) eq or b (onecode) eq or b (japanpost) eq or b (daft) eq or { /nosbs true def /bhs ret /bhs get def /bbs ret /bbs get def 0 1 bbs length 1 sub { /i exch def i 0 ne { (0) print } if bbs i get 0.05 lt { bhs i get 0.14 gt { (1) print } { (0) print } ifelse } { bhs i get 0.09 gt { (1) print } { (0) print } ifelse } ifelse } for n { (\n) print } if 0 1 bbs length 1 sub { /i exch def i 0 ne { (0) print } if (1) print } for n { (\n) print } if 0 1 bbs length 1 sub { /i exch def i 0 ne { (0) print } if bbs i get 0.05 lt { bhs i get 0.09 gt { (1) print } { (0) print } ifelse } { (0) print } ifelse } for n { (\n) print } if } if % Process sbs nosbs not { 0 1 limit { /i exch def p not { % If not preprocessed i 2 mod 0 eq { % i is even sbs i get f cvi { (1) print } repeat } { sbs i get f cvi { (0) print } repeat } ifelse } if } for n { (\n) print } if } if } if } ifelse % If have renderer ret /ren known { % Scale /s systemdict /s known { systemdict /s get cvi } { 2 } ifelse def % If not -dNODISPLAY then render for debugging currentpagedevice /Name get (nullpage) ne { s s scale 10 10 moveto ret ret /ren get exec } if } if % vim: set ts=4 sw=4 et :