Add dist/ release build (LabelPrinter.exe + conf with bundled GhostScript and SumatraPDF)
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337
dist/conf/ghostscript/lib/viewpbm.ps
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dist/conf/ghostscript/lib/viewpbm.ps
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% Copyright (C) 2001-2023 Artifex Software, Inc.
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% All Rights Reserved.
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% Refer to licensing information at http://www.artifex.com or contact
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% Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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% CA 94129, USA, for further information.
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%
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% viewpbm.ps
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% Display a PBM/PGM/PPM file.
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% Requires the Level 2 `image' operator (to handle variable pixel widths).
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% If SCALE is defined, maps input pixels to output pixels with that scale;
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% if SCALE is undefined, scales the image to fit the page.
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% If FITPAGE true, it fits the output page size to the image, honouring SCALE
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% When the input is PAM (P7) RGBTAG from bitrgbtags device, -dTAG will show
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% the tags is pseudo color:
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% TEXT=1, IMAGE=2, PATH=4, UNTOUCHED=8
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% red green blue gray
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/s 100 string def
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/readmaxv { % <file> readmaxv -
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10 string readline pop cvx exec /maxv exch def
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} bind def
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/readrow { % <file> <row> readrow <row>
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0 1 2 index length 1 sub {
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1 index exch 3 index token pop put
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} for exch pop
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} bind def
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/read01 { % <file> <count> read01 <byte>
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0 exch {
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1 index read pop 48 xor dup 1 le { exch dup add add } { pop } ifelse
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} repeat
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} bind def
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/readrow01 { % <file> <row> readrow01 <row>
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0 1 w 8 idiv {
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1 index exch 3 index 8 read01 put
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} for
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wrem 0 ne {
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dup rsize 1 sub wrem read01 8 wrem sub bitshift put
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} if
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exch pop
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} bind def
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/readwh { % <file> readwh <w> <h>
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dup s readline pop % check for comment
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(#) anchorsearch {
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pop pop dup s readline pop
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} if
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cvx exec
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} bind def
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/pbmtypes mark
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% The procedures in this dictionary are called as
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% <file> Pn <w> <h> <readproc>
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/P1 { % ASCII 1-bit white/black
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/bpc 1 def /maxv 1 def /rsize w 7 add 8 idiv def
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/wrem w 8 mod def
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/ncomp 1 def /invert true def /DeviceGray setcolorspace
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readwh
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{ readrow01 }
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} bind
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/P2 { % ASCII 8-bit gray
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readwh
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/bpc 8 def 2 index readmaxv /rsize 2 index def
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/ncomp 1 def /invert false def /DeviceGray setcolorspace
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{ readrow }
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} bind
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/P3 { % ASCII 8-bit RGB
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readwh
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/bpc 8 def 2 index readmaxv /rsize 2 index 3 mul def
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/ncomp 3 def /invert false def /DeviceRGB setcolorspace
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{ readrow }
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} bind
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/P4 { % Binary 1-bit white/black
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readwh
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/bpc 1 def /maxv 1 def /rsize 2 index 7 add 8 idiv def
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/ncomp 1 def /invert true def /DeviceGray setcolorspace
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{ readstring pop }
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} bind
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/P5 { % Binary 8-bit gray
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readwh
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/bpc 8 def 2 index readmaxv /rsize 2 index def
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/ncomp 1 def /invert false def /DeviceGray setcolorspace
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{ readstring pop }
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} bind
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/P6 { % Binary 8-bit RGB
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readwh
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/bpc 8 def 2 index readmaxv /rsize 2 index 3 mul def
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/ncomp 3 def /invert false def /DeviceRGB setcolorspace
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{ readstring pop }
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} bind
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/P7 { % Assume Binary 8-bit CMYK -- assumes 'pf' is the input file
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% P7
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% WIDTH 612 %% used to set rsize and w
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% HEIGHT 792 %% used to set h
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% DEPTH 4 %% if present and not 1 or 4, then bail
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% MAXVAL 255 %% used to set maxv
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% TUPLTYPE CMYK | RGB_TAG | RGB_ALPHA | GRAYSCALE %% if present and not one of these, then bail
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% ENDHDR %% skip everything else up to this
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/P7KEYS <<
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/WIDTH { /w pf token pop def }
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/HEIGHT { /h pf token pop def }
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/DEPTH { /d pf token pop def d 4 eq d 1 eq or not {
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(*** Only DEPTH 1 or 4 PAM files supported at this time. ***) = quit
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} if
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}
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/MAXVAL { /maxv pf token pop def }
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/TUPLTYPE { pf token pop dup /CMYK eq 1 index /RGB_TAG eq or 1 index /RGB_ALPHA eq or 1 index /GRAYSCALE eq or not {
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(*** Only CMYK, RGB_TAG, RGB_ALPHA and GRAYSCALE files supported at this time. ***) = quit
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} if
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/T exch def
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}
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/ENDHDR { exit }
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(#) cvn { pf 255 string readline pop pop }
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>> def
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{ pf token not { exit } if P7KEYS exch .knownget { exec } if } loop
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/bpc 8 def
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/rsize w 4 mul def % same bytes per line for CMYK or RGB_TAG
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/T load /CMYK eq {
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/ncomp 4 def /invert false def /DeviceCMYK setcolorspace
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w h { readstring pop }
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} if
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/T load /RGB_ALPHA eq {
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/ncomp 4 def /invert false def /DeviceCMYK setcolorspace
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w h { readstring pop }
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} if
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/T load /GRAYSCALE eq {
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/ncomp 1 def /invert false def /DeviceGray setcolorspace
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w h { readstring pop }
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} if
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/T load /RGB_TAG eq {
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% not CMYK, must be RGB_TAG since was checked above
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/TAG where {
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pop
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% show the tags as pseudo-color image
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/ncomp 1 def /invert false def /maxv 1 def
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[ /Indexed /DeviceRGB 255
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% UNTOUCHED=0, TEXT=1, IMAGE=2, PATH=4
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% gray red green blue
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768 string
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dup 0 <cccccc ff0000 00ff00 ffff00 0000ff ff00ff 00ffff ffffff 000000> putinterval
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] setcolorspace
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w h {
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readstring pop
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% discard all but the tag
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dup length 4 div cvi
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string % destination string
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0 1 2 index length 1 sub {
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2 index 1 index 4 mul get
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2 index exch 2 index exch
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put
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pop % done with pixel#
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} for
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exch pop
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}
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} {
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% show the image as RGB (ignore tags)
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/ncomp 3 def /invert false def /DeviceRGB setcolorspace
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w h {
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readstring pop
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% re-pack the RGB, discard the tag
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dup length 4 div 3 mul cvi string % destination string
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0 1 2 index length 3 idiv 1 sub {
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% stack: RGBTstring destRGBstring pixel#
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2 index 1 index 4 mul 4 getinterval
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1 3 getinterval % RGB values
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% stack RGBTstring destRGBstring pixel# RGBstring
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2 index exch 2 index 3 mul exch
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putinterval
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pop % done with pixel#
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} for
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exch pop
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}
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} ifelse
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} if
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} bind
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.dicttomark readonly def
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/pbmsetup { % <file> <w> <h> <readproc> pbmsetup <imagedict>
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/readproc exch def
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/h exch def
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/w exch def
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/f exch def
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20 dict begin % image dictionary
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/ImageType 1 def
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/Width w def
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/Height h def
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/ImageMatrix [w 0 0 h neg 0 h] def
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/BitsPerComponent bpc def
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/Decode [ 0 255 maxv div invert { exch } if ncomp 1 sub { 2 copy } repeat ] def
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/DataSource [ f rsize string /readproc load /exec load ] cvx def
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currentdict end
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} def
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/imagescale { % <imagedict> imagescale -
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begin
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/SCALE where {
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pop
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/FITPAGE where {/FITPAGE get}{false} ifelse
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{
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Width SCALE mul Height SCALE mul
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}
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{
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% Map pixels SCALE-for-1. Assume orthogonal transformation.
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Width 1 0 dtransform add abs div SCALE mul
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Height 0 1 dtransform add abs div SCALE mul
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} ifelse
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} {
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/FITPAGE where {/FITPAGE get}{false} ifelse
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{
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% Scale the image (uniformly) to fit the page.
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clippath pathbbox pop pop translate % offset to the printable origin
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pathbbox 3 -1 roll sub exch 3 -1 roll sub exch
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% stack printable_width printable_height
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2 copy gt 3 1 roll .min exch
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% stack: min(printable_w, printable_h) landscape?
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{
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% printable height is less than width (landscape)
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dup Height Width gt {
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Width mul Height div exch
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} {
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Height mul Width div
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} ifelse
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} {
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% printable width is less than height (portrait)
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dup Height Width lt {
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Width mul Height div exch
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} {
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Height mul Width div
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} ifelse
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} ifelse
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}
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{
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0 0 translate
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612 792
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}
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ifelse
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}
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ifelse
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scale
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end
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} def
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% Image a PBM file page by page.
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/viewpbm { % <filename> viewpbm -
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20 dict begin
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(r) file /pf exch def {
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pf token not { exit } if
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pbmtypes exch get pf exch exec pbmsetup
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currentcolorspace % preserve colorspace around setpagedevice
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/FITPAGE where
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{
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/FITPAGE get
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{
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/SCALE where
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{
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pop
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<< /PageSize [ 1 1 dtransform h SCALE mul exch abs div exch w SCALE mul exch abs div exch ] >>
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}
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{
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<< /PageSize [ 1 1 dtransform h exch abs div exch w exch abs div exch ] >>
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} ifelse
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setpagedevice
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} if
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} if
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setcolorspace % restore colorspave in case we did setpagedevice
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dup imagescale image showpage
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} loop
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end
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} def
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% Reassemble a composite PBM file from the CMYK separations.
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/viewpsm {
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20 dict begin
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/fname exch def
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/sources [ 0 1 3 {
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/plane exch def
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/pf fname (r) file def
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pf pbmtypes pf token pop get exec
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% Stack: pf w h readproc
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plane {
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/readproc exch def /h exch def /w exch def pop
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/row rsize string def
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h { pf row readproc pop } repeat
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pf pbmtypes pf token pop get exec
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} repeat
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pbmsetup
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} for ] def
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/datas [ sources { /DataSource get 0 get } forall ] def
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/decode sources 0 get /Decode get
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dup 0 get exch 1 get add cvi 0 exch
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2 copy 4 copy 8 array astore def
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sources 0 get
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dup /MultipleDataSources true put
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dup /DataSource datas put
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dup /Decode decode put
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/DeviceCMYK setcolorspace
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/FITPAGE where
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{
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/FITPAGE get
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{
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/SCALE where
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{
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<</PageSize [w SCALE mul h SCALE mul]>>
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}
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{
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<</PageSize [w h]>>
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}ifelse
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setpagedevice
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} if
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} if
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dup imagescale image showpage
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end
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} def
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% If the program was invoked from the command line, run it now.
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[ .shellarguments
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{ counttomark 1 ge
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{ ] { viewpbm } forall
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}
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{ cleartomark
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(Usage: gs [-dSCALE=#.#] [-dFITPAGE] [--] viewpbm.ps filename.p*m ...\n) print
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( e.g.: gs [-dSCALE=#.#] [-dFITPAGE] [--] viewpbm.ps my.ppm another.ppm\n) print flush
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( also -dTAG option can be used to show the pseudo-color tag image from a\n) print flush
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( P7 RGB_TAG PAM file created by the bitrgbtags device.\n) print flush
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(From version 9.50 you must supply permissions for this program to read the input file(s)\n) print flush
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(either by using -dNOSAFER or by supplying --permit-file-read=<filename>\n) = flush
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}
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ifelse
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}
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{ pop
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}
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ifelse
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