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authorReinhard Kotucha <reinhard.kotucha@web.de>2010-05-12 19:25:45 +0000
committerReinhard Kotucha <reinhard.kotucha@web.de>2010-05-12 19:25:45 +0000
commitdc55d4f5cde421a3704c183bc6ceb3fcdb6b0653 (patch)
treedb0890c2f5f2714d527a42ad3fb7955ac5b1f545 /Master/tlpkg/tlgs/lib/viewpbm.ps
parent053ead4487e776b05721ec15b941fe0bc1b7d513 (diff)
tlgs: 8.70 => 8.71
git-svn-id: svn://tug.org/texlive/trunk@18215 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/tlpkg/tlgs/lib/viewpbm.ps')
-rw-r--r--[-rwxr-xr-x]Master/tlpkg/tlgs/lib/viewpbm.ps368
1 files changed, 184 insertions, 184 deletions
diff --git a/Master/tlpkg/tlgs/lib/viewpbm.ps b/Master/tlpkg/tlgs/lib/viewpbm.ps
index 2811eac3eb5..a6934fbab5c 100755..100644
--- a/Master/tlpkg/tlgs/lib/viewpbm.ps
+++ b/Master/tlpkg/tlgs/lib/viewpbm.ps
@@ -1,184 +1,184 @@
-% Copyright (C) 1992, 1995, 1996, 1998, 1999 Aladdin Enterprises. All rights reserved.
-%
-% This software is provided AS-IS with no warranty, either express or
-% implied.
-%
-% This software is distributed under license and may not be copied,
-% modified or distributed except as expressly authorized under the terms
-% of the license contained in the file LICENSE in this distribution.
-%
-% For more information about licensing, please refer to
-% http://www.ghostscript.com/licensing/. For information on
-% commercial licensing, go to http://www.artifex.com/licensing/ or
-% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
-% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
-
-% $Id: viewpbm.ps 6300 2005-12-28 19:56:24Z giles $
-% viewpbm.ps
-% Display a PBM/PGM/PPM file.
-% Requires the Level 2 `image' operator (to handle variable pixel widths).
-% If SCALE is defined, maps input pixels to output pixels with that scale;
-% if SCALE is undefined, scales the image to fit the page.
-
-/s 100 string def
-/readmaxv { % <file> readmaxv -
- 10 string readline pop cvx exec /maxv exch def
-} bind def
-/readrow { % <file> <row> readrow <row>
- 0 1 2 index length 1 sub {
- 1 index exch 3 index token pop put
- } for exch pop
-} bind def
-/read01 { % <file> <count> read01 <byte>
- 0 exch {
- 1 index read pop 48 xor dup 1 le { exch dup add add } { pop } ifelse
- } repeat
-} bind def
-/readrow01 { % <file> <row> readrow01 <row>
- 0 1 w 8 idiv {
- 1 index exch 3 index 8 read01 put
- } for
- wrem 0 ne {
- dup rsize 1 sub wrem read01 8 wrem sub bitshift put
- } if
- exch pop
-} bind def
-/readwh { % <file> readwh <w> <h>
- dup s readline pop % check for comment
- (#) anchorsearch {
- pop pop dup s readline pop
- } if
- cvx exec
-} bind def
-/pbmtypes mark
-% The procedures in this dictionary are called as
-% <file> Pn <w> <h> <readproc>
-/P1 { % ASCII 1-bit white/black
- /bpc 1 def /maxv 1 def /rsize w 7 add 8 idiv def
- /wrem w 8 mod def
- /ncomp 1 def /invert true def /DeviceGray setcolorspace
- readwh
- { readrow01 }
-} bind
-/P2 { % ASCII 8-bit gray
- readwh
- /bpc 8 def 2 index readmaxv /rsize 2 index def
- /ncomp 1 def /invert false def /DeviceGray setcolorspace
- { readrow }
-} bind
-/P3 { % ASCII 8-bit RGB
- readwh
- /bpc 8 def 2 index readmaxv /rsize 2 index 3 mul def
- /ncomp 3 def /invert false def /DeviceRGB setcolorspace
- { readrow }
-} bind
-/P4 { % Binary 1-bit white/black
- readwh
- /bpc 1 def /maxv 1 def /rsize 2 index 7 add 8 idiv def
- /ncomp 1 def /invert true def /DeviceGray setcolorspace
- { readstring pop }
-} bind
-/P5 { % Binary 8-bit gray
- readwh
- /bpc 8 def 2 index readmaxv /rsize 2 index def
- /ncomp 1 def /invert false def /DeviceGray setcolorspace
- { readstring pop }
-} bind
-/P6 { % Binary 8-bit RGB
- readwh
- /bpc 8 def 2 index readmaxv /rsize 2 index 3 mul def
- /ncomp 3 def /invert false def /DeviceRGB setcolorspace
- { readstring pop }
-} bind
-.dicttomark readonly def
-/pbmsetup { % <file> <w> <h> <readproc> runpbm -
- /readproc exch def
- /h exch def
- /w exch def
- /f exch def
- 20 dict begin % image dictionary
- /ImageType 1 def
- /Width w def
- /Height h def
- /ImageMatrix [w 0 0 h neg 0 h] def
- /BitsPerComponent bpc def
- /Decode [ 0 255 maxv div invert { exch } if ncomp 1 sub { 2 copy } repeat ] def
- /DataSource [ f rsize string /readproc load /exec load ] cvx def
- currentdict end
-} def
-/imagescale { % <imagedict> imagescale -
- begin
- /SCALE where {
- pop
- % Map pixels SCALE-for-1. Assume orthogonal transformation.
- Width 1 0 dtransform add abs div SCALE mul
- Height 0 1 dtransform add abs div SCALE mul
- } {
- % Scale the image (uniformly) to fit the page.
- clippath pathbbox pop pop translate
- pathbbox .min exch pop exch pop ceiling
- dup Height Width gt {
- Width mul Height div exch
- } {
- Height mul Width div
- } ifelse
- }
- ifelse scale
- end
-} def
-
-% Image a PBM file page by page.
-/viewpbm { % <filename> viewpbm -
- 20 dict begin
- (r) file /pf exch def {
- pf token not { exit } if
- pbmtypes exch get pf exch exec pbmsetup
- dup imagescale image showpage
- } loop
- end
-} def
-
-% Reassemble a composite PBM file from the CMYK separations.
-/viewpsm {
- 20 dict begin
- /fname exch def
- /sources [ 0 1 3 {
- /plane exch def
- /pf fname (r) file def
- pf pbmtypes pf token pop get exec
- % Stack: pf w h readproc
- plane {
- /readproc exch def /h exch def /w exch def pop
- /row rsize string def
- h { pf row readproc pop } repeat
- pf pbmtypes pf token pop get exec
- } repeat
- pbmsetup
- } for ] def
- /datas [ sources { /DataSource get 0 get } forall ] def
- /decode sources 0 get /Decode get
- dup 0 get exch 1 get add cvi 0 exch
- 2 copy 4 copy 8 array astore def
- sources 0 get
- dup /MultipleDataSources true put
- dup /DataSource datas put
- dup /Decode decode put
- /DeviceCMYK setcolorspace
- dup imagescale image showpage
- end
-} def
-
-% If the program was invoked from the command line, run it now.
-[ shellarguments
- { counttomark 1 ge
- { ] { viewpbm } forall
- }
- { cleartomark
- (Usage: gs [--] viewpbm.ps filename.p*m ...\n) print
- ( e.g.: gs [--] viewpbm.ps my.ppm another.ppm\n) print flush
- }
- ifelse
- }
- { pop
- }
-ifelse
+% Copyright (C) 1992, 1995, 1996, 1998, 1999 Aladdin Enterprises. All rights reserved.
+%
+% This software is provided AS-IS with no warranty, either express or
+% implied.
+%
+% This software is distributed under license and may not be copied,
+% modified or distributed except as expressly authorized under the terms
+% of the license contained in the file LICENSE in this distribution.
+%
+% For more information about licensing, please refer to
+% http://www.ghostscript.com/licensing/. For information on
+% commercial licensing, go to http://www.artifex.com/licensing/ or
+% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
+% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
+
+% $Id: viewpbm.ps 6300 2005-12-28 19:56:24Z giles $
+% viewpbm.ps
+% Display a PBM/PGM/PPM file.
+% Requires the Level 2 `image' operator (to handle variable pixel widths).
+% If SCALE is defined, maps input pixels to output pixels with that scale;
+% if SCALE is undefined, scales the image to fit the page.
+
+/s 100 string def
+/readmaxv { % <file> readmaxv -
+ 10 string readline pop cvx exec /maxv exch def
+} bind def
+/readrow { % <file> <row> readrow <row>
+ 0 1 2 index length 1 sub {
+ 1 index exch 3 index token pop put
+ } for exch pop
+} bind def
+/read01 { % <file> <count> read01 <byte>
+ 0 exch {
+ 1 index read pop 48 xor dup 1 le { exch dup add add } { pop } ifelse
+ } repeat
+} bind def
+/readrow01 { % <file> <row> readrow01 <row>
+ 0 1 w 8 idiv {
+ 1 index exch 3 index 8 read01 put
+ } for
+ wrem 0 ne {
+ dup rsize 1 sub wrem read01 8 wrem sub bitshift put
+ } if
+ exch pop
+} bind def
+/readwh { % <file> readwh <w> <h>
+ dup s readline pop % check for comment
+ (#) anchorsearch {
+ pop pop dup s readline pop
+ } if
+ cvx exec
+} bind def
+/pbmtypes mark
+% The procedures in this dictionary are called as
+% <file> Pn <w> <h> <readproc>
+/P1 { % ASCII 1-bit white/black
+ /bpc 1 def /maxv 1 def /rsize w 7 add 8 idiv def
+ /wrem w 8 mod def
+ /ncomp 1 def /invert true def /DeviceGray setcolorspace
+ readwh
+ { readrow01 }
+} bind
+/P2 { % ASCII 8-bit gray
+ readwh
+ /bpc 8 def 2 index readmaxv /rsize 2 index def
+ /ncomp 1 def /invert false def /DeviceGray setcolorspace
+ { readrow }
+} bind
+/P3 { % ASCII 8-bit RGB
+ readwh
+ /bpc 8 def 2 index readmaxv /rsize 2 index 3 mul def
+ /ncomp 3 def /invert false def /DeviceRGB setcolorspace
+ { readrow }
+} bind
+/P4 { % Binary 1-bit white/black
+ readwh
+ /bpc 1 def /maxv 1 def /rsize 2 index 7 add 8 idiv def
+ /ncomp 1 def /invert true def /DeviceGray setcolorspace
+ { readstring pop }
+} bind
+/P5 { % Binary 8-bit gray
+ readwh
+ /bpc 8 def 2 index readmaxv /rsize 2 index def
+ /ncomp 1 def /invert false def /DeviceGray setcolorspace
+ { readstring pop }
+} bind
+/P6 { % Binary 8-bit RGB
+ readwh
+ /bpc 8 def 2 index readmaxv /rsize 2 index 3 mul def
+ /ncomp 3 def /invert false def /DeviceRGB setcolorspace
+ { readstring pop }
+} bind
+.dicttomark readonly def
+/pbmsetup { % <file> <w> <h> <readproc> runpbm -
+ /readproc exch def
+ /h exch def
+ /w exch def
+ /f exch def
+ 20 dict begin % image dictionary
+ /ImageType 1 def
+ /Width w def
+ /Height h def
+ /ImageMatrix [w 0 0 h neg 0 h] def
+ /BitsPerComponent bpc def
+ /Decode [ 0 255 maxv div invert { exch } if ncomp 1 sub { 2 copy } repeat ] def
+ /DataSource [ f rsize string /readproc load /exec load ] cvx def
+ currentdict end
+} def
+/imagescale { % <imagedict> imagescale -
+ begin
+ /SCALE where {
+ pop
+ % Map pixels SCALE-for-1. Assume orthogonal transformation.
+ Width 1 0 dtransform add abs div SCALE mul
+ Height 0 1 dtransform add abs div SCALE mul
+ } {
+ % Scale the image (uniformly) to fit the page.
+ clippath pathbbox pop pop translate
+ pathbbox .min exch pop exch pop ceiling
+ dup Height Width gt {
+ Width mul Height div exch
+ } {
+ Height mul Width div
+ } ifelse
+ }
+ ifelse scale
+ end
+} def
+
+% Image a PBM file page by page.
+/viewpbm { % <filename> viewpbm -
+ 20 dict begin
+ (r) file /pf exch def {
+ pf token not { exit } if
+ pbmtypes exch get pf exch exec pbmsetup
+ dup imagescale image showpage
+ } loop
+ end
+} def
+
+% Reassemble a composite PBM file from the CMYK separations.
+/viewpsm {
+ 20 dict begin
+ /fname exch def
+ /sources [ 0 1 3 {
+ /plane exch def
+ /pf fname (r) file def
+ pf pbmtypes pf token pop get exec
+ % Stack: pf w h readproc
+ plane {
+ /readproc exch def /h exch def /w exch def pop
+ /row rsize string def
+ h { pf row readproc pop } repeat
+ pf pbmtypes pf token pop get exec
+ } repeat
+ pbmsetup
+ } for ] def
+ /datas [ sources { /DataSource get 0 get } forall ] def
+ /decode sources 0 get /Decode get
+ dup 0 get exch 1 get add cvi 0 exch
+ 2 copy 4 copy 8 array astore def
+ sources 0 get
+ dup /MultipleDataSources true put
+ dup /DataSource datas put
+ dup /Decode decode put
+ /DeviceCMYK setcolorspace
+ dup imagescale image showpage
+ end
+} def
+
+% If the program was invoked from the command line, run it now.
+[ shellarguments
+ { counttomark 1 ge
+ { ] { viewpbm } forall
+ }
+ { cleartomark
+ (Usage: gs [--] viewpbm.ps filename.p*m ...\n) print
+ ( e.g.: gs [--] viewpbm.ps my.ppm another.ppm\n) print flush
+ }
+ ifelse
+ }
+ { pop
+ }
+ifelse