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Diffstat (limited to 'office/texlive/epstopdf/epstopdf.pl')
| -rw-r--r-- | office/texlive/epstopdf/epstopdf.pl | 586 |
1 files changed, 586 insertions, 0 deletions
diff --git a/office/texlive/epstopdf/epstopdf.pl b/office/texlive/epstopdf/epstopdf.pl new file mode 100644 index 0000000000000..a312a9b7f9061 --- /dev/null +++ b/office/texlive/epstopdf/epstopdf.pl @@ -0,0 +1,586 @@ +eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' && eval 'exec perl -S $0 $argv:q' + if 0; +use strict; + +# $Id: epstopdf.pl 16244 2009-11-30 01:36:08Z karl $ +# (Copyright lines below.) +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, +# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +# ---------------------------------------------------------------- +# +# This is a script to transform an EPS file such that: +# a) it is guaranteed to start at the 0,0 coordinate. +# b) it sets a page size exactly corresponding to the BoundingBox +# This means that when Ghostscript renders it, the result needs no +# cropping, and the PDF MediaBox is correct. +# c) the result is piped to Ghostscript and a PDF version written. +# +# It needs a Level 2 PS interpreter. +# If the bounding box is not right, of course, there will be problems. +# +# One thing not allowed for is the case of +# "%%BoundingBox: (atend)" when input is not seekable (e.g., from a pipe), +# which is more complicated. +# +# emacs-page +# History +# 2009/11/27 v2.12 (Karl Berry) +# * Make --filter work again +# 2009/11/25 (Manuel P\'egouri\'e-Gonnard) +# * Better extension detection, suggested by A. Cherepanov. +# 2009/10/18 (Manuel P\'egouri\'e-Gonnard) +# * Better argument validation (Alexander Cherepanov). +# * Use list form of pipe open() (resp. system()) to prevent injection. +# Since Perl's fork() emulation doesn't work on Windows with Perl 5.8.8 from +# TeX Live 2009, use a temporary file instead of a pipe on Windows. +# 2009/10/14 (Manuel P\'egouri\'e-Gonnard) +# * Added restricted mode. +# 2009/09/27 v2.11 (Karl Berry) +# * Fixed two bugs in the (atend) handling code (Martin von Gagern) +# * Improved handling of CR line ending (Martin von Gagern) +# * More error checking +# * --version option +# * Create source repository in TeX Live +# 2009/07/17 v2.9.11gw +# * Added -dSAFER to default gs options +# TL2009 wants to use a restricted variant of -shell-escape, +# allowing epstopdf to run. However without -dSAFER Ghostscript +# allows writing to files (other than given in -sOutputFile) +# and running commands (through Ghostscript pipe's language feature). +# 2009/05/09 v2.9.10gw +# * Changed cygwin name for ghostscript to gs +# 2008/08/26 v2.9.9gw +# * Switch to embed fonts (default=yes) (J.P. Chretien) +# * turned no AutoRotatePages into an option (D. Kreil) (default = None) +# * Added resolution switch (D. Kreil) +# * Added BSD-style license +# 2007/07/18 v2.9.8gw +# 2007/05/18 v.2.9.7gw (Gerben Wierda) +# * Merged both supplied 2.9.6 versions +# 2007/05/15 v2.9.6tp (Theo Papadopoulo) +# * Simplified the (atend) support +# 2007/01/24 v2.9.6sw (Staszek Wawrykiewicz) +# * patched to work also on Windows +# 2005/10/06 v2.9.5gw (Gerben Wierda) +# * Fixed a horrendous bug in the (atend) handling code +# 2005/10/06 v2.9.4gw (Gerben Wierda) +# * This has become the official version for now +# 2005/10/01 v2.9.3draft (Gerben Wierda) +# * Quote OutFilename +# 2005/09/29 v2.9.2draft (Gerben Wierda) +# * Quote OutFilename +# 2004/03/17 v2.9.1draft (Gerben Wierda) +# * No autorotate page +# 2003/04/22 v2.9draft (Gerben Wierda) +# * Fixed bug where with cr-eol files everything up to the first %! +# * in the first 2048 bytes was gobbled (double ugh!) +# 2002/02/21 v2.8draft (Gerben Wierda) +# * Fixed bug where last line of buffer was not copied out (ugh!) +# 2002/02/18 v2.8draft (Gerben Wierda) +# * Handle different eol styles transparantly +# * Applied fix from Peder Axensten for Freehand bug +# 2001/03/05 v2.7 (Heiko Oberdiek) +# * Newline before grestore for the case that there is no +# whitespace at the end of the eps file. +# 2000/11/05 v2.6 (Heiko Oberdiek) +# * %%HiresBoundingBox corrected to %%HiResBoundingBox +# 1999/05/06 v2.5 (Heiko Oberdiek) +# * New options: --hires, --exact, --filter, --help. +# * Many cosmetics: title, usage, ... +# * New code for debug, warning, error +# * Detecting of cygwin perl +# * Scanning for %%{Hires,Exact,}BoundingBox. +# * Scanning only the header in order not to get a wrong +# BoundingBox of an included file. +# * (atend) supported. +# * uses strict; (earlier error detecting). +# * changed first comment from '%!PS' to '%!'; +# * corrected (atend) pattern: '\s*\(atend\)' +# * using of $bbxpat in all BoundingBox cases, +# correct the first white space to '...Box:\s*$bb...' +# * corrected first line (one line instead of two before 'if 0;'; +# +# Thomas Esser, Sept. 1998: change initial lines to find +# perl along $PATH rather than guessing a fixed location. The above +# construction should work with most shells. +# +# Originally by Sebastian Rahtz, for Elsevier Science +# with extra tricks from Hans Hagen's texutil and many more. +# emacs-page + +### program identification +my $program = "epstopdf"; +my $ident = '($Id: epstopdf.pl 16244 2009-11-30 01:36:08Z karl $) 2.12'; +my $copyright = <<END_COPYRIGHT ; +Copyright 2009 Karl Berry et al. +Copyright 2002-2009 Gerben Wierda et al. +Copyright 1998-2001 Sebastian Rahtz et al. +License RBSD: Revised BSD <http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5> +This is free software: you are free to change and redistribute it. +There is NO WARRANTY, to the extent permitted by law. +END_COPYRIGHT +my $title = "$program $ident\n"; + +### ghostscript command name +my $GS = "gs"; +$GS = "gswin32c" if $^O eq 'MSWin32'; + +### restricted mode +my $restricted = 0; +$restricted = 1 if $0 =~ /repstopdf/; + +### options +$::opt_outfile=""; +$::opt_compress=1; +$::opt_debug=0; +$::opt_embed=1; +$::opt_exact=0; +$::opt_filter=0; +$::opt_gs=1; +$::opt_hires=0; +$::opt_gscmd=""; +$::opt_res=0; +$::opt_autorotate="None"; + +### usage +my @bool = ("false", "true"); +my $resmsg = $::opt_res ? $::opt_res : "[use gs default]"; +my $rotmsg = $::opt_autorotate ? $::opt_autorotate : "[use gs default]"; +my $usage = <<"END_OF_USAGE"; +${title}Usage: $program [OPTION]... [EPSFILE] + +Convert EPS to PDF, by default using Ghostscript. + +Options: + --help display this help and exit + --version display version information and exit + + --outfile=FILE write result to FILE + --(no)compress use compression (default: $bool[$::opt_compress]) + --(no)debug write debugging info (default: $bool[$::opt_debug]) + --(no)embed embed fonts (default: $bool[$::opt_embed]) + --(no)exact scan ExactBoundingBox (default: $bool[$::opt_exact]) + --(no)filter read standard input (default: $bool[$::opt_filter]) + --(no)gs run ghostscript (default: $bool[$::opt_gs]) + --(no)hires scan HiResBoundingBox (default: $bool[$::opt_hires]) + --gscmd=VAL pipe output to VAL (default: $GS) + --res=DPI set image resolution (default: $resmsg) + --autorotate=VAL set AutoRotatePages (default: $rotmsg) + Recognized VAL choices: None, All, PageByPage + For EPS files, PageByPage is equivalent to All + --restricted use restricted mode (default: $bool[$restricted]) + +Examples for producing 'test.pdf': + * $program test.eps + * produce postscript | $program --filter >test.pdf + * produce postscript | $program -f -d -o=test.pdf + +Example: look for HiResBoundingBox and produce corrected PostScript: + * $program -d --nogs --hires test.ps >testcorr.ps + +When reporting bugs, please include an input file and command line +options so the problem can be reproduced. + +Report bugs to: tex-k\@tug.org +epstopdf home page: <http://tug.org/epstopdf/> +END_OF_USAGE + +### process options +use Getopt::Long; +GetOptions ( + "help", + "version", + "outfile=s", # \ref{openout_any} + "compress!", + "debug!", + "embed!", + "exact!", + "filter!", + "gs!", + "hires!", + "gscmd=s", # \ref{val_gscmd} + "res=i", # validated by Getopt ('i' specifier) + "autorotate=s", # \ref{val_autorotate} + "restricted", +) or die $usage; + +### help functions +sub debug { + print STDERR "* @_\n" if $::opt_debug; +} +sub warning { + print STDERR "==> Warning: @_\n"; +} +sub error { + die "$title!!! Error: @_\n"; +} +sub errorUsage { + die "$usage\n!!! Error: @_\n"; +} + +### restricted option +$restricted = 1 if $::opt_restricted; +debug "Restricted mode activated" if $restricted; + +### help, version options. +if ($::opt_help) { + print $usage; + exit (0); +} + +if ($::opt_version) { + print $title; + print $copyright; + exit (0); +} + +### get input filename +my $InputFilename = ""; +if ($::opt_filter) { + @ARGV == 0 or + die errorUsage "Input file cannot be used with filter option"; + debug "Filtering: will read standard input"; +} else { + @ARGV > 0 or die errorUsage "Input filename missing"; + @ARGV < 2 or die errorUsage "Unknown option or too many input files"; + $InputFilename = $ARGV[0]; + #-r $InputFilename or error "\"$InputFilename\" not readable"; + debug "Input filename:", $InputFilename; +} + +### option gscmd +if ($::opt_gscmd) { + debug "Switching from $GS to $::opt_gscmd"; + $GS = $::opt_gscmd; + # validate GS \label{val_gscmd} + if ($restricted) { + $GS =~ /^(gs|mgs|gswin32c|gs386|gsos2)\z/ + or $GS =~ /^gs[\-_]?(\d|\d[\.-_]?\d\d)c?\z/ + or die error "Value of gscmd '$GS' not allowed in restricted mode."; + } +} + +### start building GS command line for the pipe +my @GS = ($GS); +push @GS, qw(-q -dNOPAUSE -dSAFER -sDEVICE=pdfwrite); + +### option outfile +my $OutputFilename = $::opt_outfile; +if ($OutputFilename eq "") { + if ($::opt_gs) { + $OutputFilename = $InputFilename; + if (!$::opt_filter) { + my $ds = ($^O eq "MSWin32" || $^O eq "cygwin") ? '\\/' : '/'; + $OutputFilename =~ s/\.[^\.$ds]*$//; + $OutputFilename .= ".pdf"; + } + } else { + $OutputFilename = "-"; # no ghostscript, write to standard output + } +} +if ($::opt_filter) { + debug "Filtering: will write standard output"; + $OutputFilename = "-"; +} else { + debug "Output filename:", $OutputFilename; +} +push @GS, "-sOutputFile=$OutputFilename"; + +### options compress, embed, res, autorotate +push @GS, ('-dPDFSETTINGS=/prepress', '-dMaxSubsetPct=100', + '-dSubsetFonts=true', '-dEmbedAllFonts=true') if $::opt_embed; +push @GS, '-dUseFlateCompression=false' unless $::opt_compress; +push @GS, "-r$::opt_res" if $::opt_res; +$resmsg= $::opt_res ? $::opt_res : "[use gs default]"; +push @GS, "-dAutoRotatePages=/$::opt_autorotate" if $::opt_autorotate; +$rotmsg = $::opt_autorotate ? $::opt_autorotate : "[use gs default]"; +# \label{val_autorotate} +error "Invalid value for autorotate: '$::opt_autorotate' " + . "(use 'All', 'None' or 'PageByPage')." + if ($::opt_autorotate and + not $::opt_autorotate =~ /^(None|All|PageByPage)\z/); + +### option BoundingBox types +my $BBName = "%%BoundingBox:"; +!($::opt_hires and $::opt_exact) or + error "Options --hires and --exact cannot be used together"; +$BBName = "%%HiResBoundingBox:" if $::opt_hires; +$BBName = "%%ExactBoundingBox:" if $::opt_exact; +debug "BoundingBox comment:", $BBName; + +### validate output file name in restricted mode \label{openout_any} +use File::Spec::Functions qw(splitpath file_name_is_absolute); +if ($restricted) { + # use the equivalent of openout_any = p + # (see opennameok() web2c/lib/texmfmp.c) + # Well, for now, be even more paranoid: don't allow absolute path at all + my $ok = 1; + # disallow opening dot-files on Unix + unless ($^O eq "MSWin32") { + my ($drive, $path, $basename) = splitpath($OutputFilename); + $ok = 0 if $basename =~ /^\./; + } + # disallow absolute path + $ok = 0 if file_name_is_absolute($OutputFilename); + # disallow colon on Windows. It could be used either after a drive + # (like "a:dir\file") or for an alternate data stream (like + # "file:ads"). + if ($^O eq "MSWin32" || $^O eq "cygwin") { + $ok = 0 if $OutputFilename =~ /:/; + } + # disallow going to parent directory + my $ds = ($^O eq "MSWin32" || $^O eq "cygwin") ? qr([\\/]) : qr(/); + $ok = 0 if $OutputFilename =~ /^\.\.$ds|$ds\.\.$ds/; + # we passed all tests + die error "Output filename '$OutputFilename' not allowed in restricted mode." unless $ok; +} + +### option gs +if ($::opt_gs) { + debug "Ghostscript command:", $GS; + debug "Compression:", ($::opt_compress) ? "on" : "off"; + debug "Embedding:", ($::opt_embed) ? "on" : "off"; + debug "Rotation:", $rotmsg; + debug "Resolution:", $resmsg; +} + +### emacs-page +### open input file +if ($::opt_filter) { + open(IN, '<-') || error("Cannot open stdin: $!"); +} else { + open(IN, '<', $InputFilename) || error("Cannot open $InputFilename: $!"); +} +binmode IN; + +### open output file +my $outname; # used in error message at end +my $tmp_filename; # temporary file for windows +my $OUT; # filehandle for output (GS pipe or temporary file) +use File::Temp 'tempfile'; +if ($::opt_gs) { + unless ($^O eq 'MSWin32' || $^O eq 'cygwin') { # list piped open works + push @GS, qw(- -c quit); + debug "Ghostscript pipe:", join(' ', @GS); + open($OUT, '|-', @GS) or error "Cannot open Ghostscript for piped input"; + } else { # use a temporary file on Windows/Cygwin. + ($OUT, $tmp_filename) = tempfile(UNLINK => 1); + debug "Using temporary file '$tmp_filename'"; + } + $outname = $GS; +} +else { + open($OUT, '>', $OutputFilename) or error "Cannot write \"$OutputFilename\""; + $outname = $OutputFilename; +} +binmode $OUT; + +# reading a cr-eol file on a lf-eol system makes it impossible to parse +# the header and besides it will read the intire file into yor line by line +# scalar. this is also true the other way around. + +### emacs-page +### scan a block, try to determine eol style + +my $buf; +my $buflen; +my @bufarray; +my $inputpos; + +# We assume 2048 is big enough. +my $EOLSCANBUFSIZE = 2048; + +$buflen = read(IN, $buf, $EOLSCANBUFSIZE); +if ($buflen > 0) { + my $crlfpos; + my $lfpos; + my $crpos; + + $inputpos = 0; + + # remove binary junk before header + # if there is no header, we assume the file starts with ascii style and + # we look for a eol style anyway, to prevent possible loading of the + # entire file + if ($buf =~ /%!/) { + # throw away binary junk before %! + $buf =~ s/(.*?)%!/%!/o; + $inputpos = length($1); + } + $lfpos = index($buf, "\n"); + $crpos = index($buf, "\r"); + $crlfpos = index($buf, "\r\n"); + + if ($crpos > 0 and ($lfpos == -1 or $lfpos > $crpos+1)) { + # The first eol was a cr and it was not immediately followed by a lf + $/ = "\r"; + debug "The first eol character was a CR ($crpos) and not immediately followed by a LF ($lfpos)"; + } + + # Now we have set the correct eol-character. Get one more line and add + # it to our buffer. This will make the buffer contain an entire line + # at the end. Then split the buffer in an array. We will draw lines from + # that array until it is empty, then move again back to <IN> + $buf .= <IN> unless eof(IN); + $buflen = length($buf); + + # Some extra magic is needed here: if we set $/ to \r, Perl's re engine + # still thinks eol is \n in regular expressions (not very nice) so we + # cannot split on ^, but have to split on a look-behind for \r. + if ($/ eq "\r") { + @bufarray = split(/(?<=\r)/ms, $buf); # split after \r + } + else { + @bufarray = split(/^/ms, $buf); + } +} + +### getline +sub getline +{ + if ($#bufarray >= 0) { + $_ = shift(@bufarray); + } + else { + $_ = <IN>; + } + $inputpos += length($_) if defined $_; + return defined($_); +} + +### scan first line +my $header = 0; +getline(); +if (/%!/) { + # throw away binary junk before %! + s/(.*)%!/%!/o; +} +$header = 1 if /^%/; +debug "Scanning header for BoundingBox"; +print $OUT $_; + +### variables and pattern for BoundingBox search +my $bbxpatt = '[0-9eE\.\-]'; + # protect backslashes: "\\" gets '\' +my $BBValues = "\\s*($bbxpatt+)\\s+($bbxpatt+)\\s+($bbxpatt+)\\s+($bbxpatt+)"; +my $BBCorrected = 0; + +sub CorrectBoundingBox +{ + my ($llx, $lly, $urx, $ury) = @_; + debug "Old BoundingBox:", $llx, $lly, $urx, $ury; + my ($width, $height) = ($urx - $llx, $ury - $lly); + my ($xoffset, $yoffset) = (-$llx, -$lly); + debug "New BoundingBox: 0 0", $width, $height; + debug "Offset:", $xoffset, $yoffset; + + print $OUT "%%BoundingBox: 0 0 $width $height$/"; + print $OUT "<< /PageSize [$width $height] >> setpagedevice$/"; + print $OUT "gsave $xoffset $yoffset translate$/"; +} + +### emacs-page +### scan header +if ($header) { + HEADER: while (getline()) { + ### Fix for freehand bug ### by Peder Axensten + next HEADER if(!/\S/); + + ### end of header + if (!/^%/ or /^%%EndComments/) { + print $OUT $_; + last; + } + + ### BoundingBox with values + if (/^$BBName$BBValues/o) { + CorrectBoundingBox $1, $2, $3, $4; + $BBCorrected = 1; + last; + } + + ### BoundingBox with (atend) + if (/^$BBName\s*\(atend\)/) { + debug $BBName, "(atend)"; + if ($::opt_filter) { + warning "Cannot look for BoundingBox in the trailer", + "with option --filter"; + last; + } + my $pos = $inputpos; + debug "Current file position:", $pos; + + # looking for %%BoundingBox + while (getline()) { + # skip over included documents + my $nestDepth = 0; + $nestDepth++ if /^%%BeginDocument/; + $nestDepth-- if /^%%EndDocument/; + if ($nestDepth == 0 && /^$BBName$BBValues/o) { + CorrectBoundingBox $1, $2, $3, $4; + $BBCorrected = 1; + last; + } + } + + # go back + seek(IN, $pos, 0) or error "Cannot go back to line \"$BBName (atend)\""; + last; + } + + # print header line + print $OUT $_; + } +} + +### print rest of file +while (getline()) { + print $OUT $_; +} + +### emacs-page +### close files +close(IN); +print $OUT "$/grestore$/" if $BBCorrected; +close($OUT); + +### actually run GS if we were writing to a temporary file +if (defined $tmp_filename) { + push @GS, $tmp_filename; + push @GS, qw(-c quit); + debug "Ghostscript command:", join(' ', @GS); + system @GS; +} + +# if ghostscript exited badly, we should too. +if ($? & 127) { + error(sprintf "Writing to $outname failed, signal %d\n", $? & 127); +} elsif ($? != 0) { + error(sprintf "Writing to $outname failed, error code %d\n", $? >> 8); +} + +warning "BoundingBox not found" unless $BBCorrected; +debug "Done."; |