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+eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' && eval 'exec perl -S $0 $argv:q'
+ if 0;
+use strict;
+
+# Change by Thomas Esser, Sept. 1998: The above lines allows us to find
+# perl along $PATH rather than guessing a fixed location. The above
+# construction should work with most shells.
+
+# A script to transform an EPS file so that:
+# a) it is guarenteed 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, you have problems...
+#
+# The only thing I have not allowed for is the case of
+# "%%BoundingBox: (atend)", which is more complicated.
+#
+# Sebastian Rahtz, for Elsevier Science
+#
+# now with extra tricks from Hans Hagen's texutil.
+#
+# History
+# 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;';
+# 2000/11/05 v2.6 (Heiko Oberdiek)
+# * %%HiresBoundingBox corrected to %%HiResBoundingBox
+# 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.
+# 2002/02/18 v2.8draft (Gerben Wierda)
+# * Handle different eol styles transparantly
+# * Applied fix from Peder Axensten for Freehand bug
+# 2002/02/21 v2.8draft (Gerben Wierda)
+# * Fixed bug where last line of buffer was not copied out (ugh!)
+# 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!)
+# 2004/03/17 v2.9.1draft (Gerben Wierda)
+# * No autorotate page
+# 2005/09/29 v2.9.2draft (Gerben Wierda)
+# * Quote OutFilename
+# 2005/10/01 v2.9.3draft (Gerben Wierda)
+# * Quote OutFilename
+#
+
+### program identification
+my $program = "epstopdf";
+my $filedate="2003/04/20";
+my $fileversion="2.9.3draft";
+my $copyright = "Copyright 1998-2002 by Sebastian Rahtz et al.";
+my $title = "\U$program\E $fileversion, $filedate - $copyright\n";
+
+### ghostscript command name
+my $GS = "gs";
+$GS = "gswin32c" if $^O eq 'MSWin32';
+$GS = "gswin32c" if $^O =~ /cygwin/;
+
+### options
+$::opt_help=0;
+$::opt_debug=0;
+$::opt_compress=1;
+$::opt_gs=1;
+$::opt_hires=0;
+$::opt_exact=0;
+$::opt_filter=0;
+$::opt_outfile="";
+
+### usage
+my @bool = ("false", "true");
+my $usage = <<"END_OF_USAGE";
+${title}Syntax: $program [options] <eps file>
+Options:
+ --help: print usage
+ --outfile=<file>: write result to <file>
+ --(no)filter: read standard input (default: $bool[$::opt_filter])
+ --(no)gs: run ghostscript (default: $bool[$::opt_gs])
+ --(no)compress: use compression (default: $bool[$::opt_compress])
+ --(no)hires: scan HiResBoundingBox (default: $bool[$::opt_hires])
+ --(no)exact: scan ExactBoundingBox (default: $bool[$::opt_exact])
+ --(no)debug: debug informations (default: $bool[$::opt_debug])
+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
+END_OF_USAGE
+
+### process options
+use Getopt::Long;
+GetOptions (
+ "help!",
+ "debug!",
+ "filter!",
+ "compress!",
+ "gs!",
+ "hires!",
+ "exact!",
+ "outfile=s",
+) 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";
+}
+
+### option help
+die $usage if $::opt_help;
+
+### get input filename
+my $InputFilename = "";
+if ($::opt_filter) {
+ @ARGV == 0 or
+ die errorUsage "Input file cannot be used with filter option";
+ $InputFilename = "-";
+ debug "Input file: 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];
+ -f $InputFilename or error "'$InputFilename' does not exist";
+ debug "Input filename:", $InputFilename;
+}
+
+### option compress
+my $GSOPTS = "";
+$GSOPTS = "-dUseFlateCompression=false " unless $::opt_compress;
+
+### 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;
+
+### option outfile
+my $OutputFilename = $::opt_outfile;
+if ($OutputFilename eq "") {
+ if ($::opt_gs) {
+ $OutputFilename = $InputFilename;
+ if (!$::opt_filter) {
+ $OutputFilename =~ s/\.[^\.]*$//;
+ $OutputFilename .= ".pdf";
+ }
+ }
+ else {
+ $OutputFilename = "-"; # standard output
+ }
+}
+if ($::opt_filter) {
+ debug "Output file: standard output";
+}
+else {
+ debug "Output filename:", $OutputFilename;
+}
+
+### option gs
+if ($::opt_gs) {
+ debug "Ghostscript command:", $GS;
+ debug "Compression:", ($::opt_compress) ? "on" : "off";
+}
+
+### open input file
+open(IN,"<$InputFilename") or error "Cannot open",
+ ($::opt_filter) ? "standard input" : "'$InputFilename'";
+binmode IN;
+
+### open output file
+if ($::opt_gs) {
+ my $pipe = "$GS -q -sDEVICE=pdfwrite $GSOPTS -dAutoRotatePages=/None" .
+ " -sOutputFile='$OutputFilename' - -c quit";
+ debug "Ghostscript pipe:", $pipe;
+ open(OUT,"|$pipe") or error "Cannot open Ghostscript for piped input";
+}
+else {
+ open(OUT,">$OutputFilename") or error "Cannot write '$OutputFilename";
+}
+
+# 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.
+
+### scan a block, try to determine eol style
+
+my $buf;
+my $buflen;
+my @bufarray;
+my @parsedbufarray; # for mytell/myseek
+my $bufarraypos;
+
+# We assume 2048 is big enough.
+my $EOLSCANBUFSIZE = 2048;
+
+$buflen = read( IN, $buf, $EOLSCANBUFSIZE);
+if ($buflen > 0) {
+ my $crlfpos;
+ my $lfpos;
+ my $crpos;
+
+ # remove binary junk before header
+ # if there is no header, we assume the file starts with ascii style and
+ # we look for a eol style anyway, to prevent possible loading of the
+ # entire file
+ if ($buf =~ /%!/) {
+ # throw away binary junk before %!
+ $buf =~ s/(.*?)%!/%!/o;
+ }
+ $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 $/ to \r, Perl's re engine
+ # still thinks eol is \n in regular expressions (not very nice) so we
+ # cannot split on ^, but have to split on \r and reappend those.
+ if ($/ eq "\r") {
+ @bufarray = split( /\r/ms, $buf);
+ grep( $_ .= "\r", @bufarray);
+ }
+ else {
+ @bufarray = split( /^/ms, $buf);
+ }
+}
+
+### getline
+sub getline {
+ if ($#bufarray >= 0) {
+ $_ = shift( @bufarray);
+ unshift( @parsedbufarray, $_); # for myseek and mytell
+ $bufarraypos += length( $_);
+ }
+ else {
+ $_ = <IN>;
+ }
+ return( defined( $_));
+}
+
+### mytell and myseek, work on <IN> only
+sub mytell {
+ if ($#bufarray) {
+ return $bufarraypos;
+ }
+ else {
+ return tell( IN);
+ }
+}
+
+sub myseek {
+ my $pos = shift;
+ if ($pos < $buflen) {
+ # We were still parsing the array, reset to the end of buf and
+ # move to the right line in the array.
+ # Now, move stuff from the @parsedbufarray until we are back at $pos
+ my $tmpline;
+ while ($pos > 0) {
+ # we test on parsedbufarray to prevent an infinite loop on
+ # a programming error (DEVELOP only)
+ die "Programming error 1\n" unless $#parsedbufarray;
+ $tmpline = pop( @parsedbufarray);
+ $pos -= length( $tmpline);
+ push( @bufarray, $tmpline);
+ }
+ return seek( IN, $buflen, 0);
+ }
+ else {
+ return seek( IN, $pos, 0);
+ }
+}
+
+### 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 $height\n";
+ print OUT "<< /PageSize [$width $height] >> setpagedevice\n";
+ print OUT "gsave $xoffset $yoffset translate\n";
+}
+
+### scan header
+if ($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/) {
+ 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 = mytell();
+ debug "Current file position:", $pos;
+
+ # looking for %%BoundingBox
+ while (getline()) {
+ # skip over included documents
+ if (/^%%BeginDocument/) {
+ while (getline()) {
+ last if /^%%EndDocument/;
+ }
+ }
+ if (/^$BBName$BBValues/) {
+ CorrectBoundingBox $1, $2, $3, $4;
+ $BBCorrected = 1;
+ last;
+ }
+ }
+
+ # go back
+ myseek( $pos) or error "Cannot go back to line '$BBName (atend)'";
+ last;
+ }
+
+ # print header line
+ print OUT;
+ }
+}
+
+### print rest of file
+while (getline()) {
+ print OUT;
+}
+
+### close files
+close(IN);
+print OUT "\ngrestore\n" if $BBCorrected;
+close(OUT);
+warning "BoundingBox not found" unless $BBCorrected;
+debug "Ready.";
+;
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