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authorKarl Berry <karl@freefriends.org>2009-07-17 00:59:32 +0000
committerKarl Berry <karl@freefriends.org>2009-07-17 00:59:32 +0000
commit076fafe106fea5f8bb247a0b9ef5f913ce341311 (patch)
tree09e36ff5bd4c6eba71849dc7e0828f3890489a78 /Build
parentc952cbb692e8859d785a93ba914937a94aff1269 (diff)
pdfcrop 1.15 (14jul09)
git-svn-id: svn://tug.org/texlive/trunk@14291 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build')
-rwxr-xr-xBuild/source/texk/texlive/linked_scripts/pdfcrop/pdfcrop.pl64
1 files changed, 57 insertions, 7 deletions
diff --git a/Build/source/texk/texlive/linked_scripts/pdfcrop/pdfcrop.pl b/Build/source/texk/texlive/linked_scripts/pdfcrop/pdfcrop.pl
index 70c85483670..412e979ac50 100755
--- a/Build/source/texk/texlive/linked_scripts/pdfcrop/pdfcrop.pl
+++ b/Build/source/texk/texlive/linked_scripts/pdfcrop/pdfcrop.pl
@@ -5,7 +5,7 @@ $^W=1; # turn warning on
#
# pdfcrop.pl
#
-# Copyright (C) 2002, 2004, 2005, 2008 Heiko Oberdiek.
+# Copyright (C) 2002, 2004, 2005, 2008, 2009 Heiko Oberdiek.
#
# This program may be distributed and/or modified under the
# conditions of the LaTeX Project Public License, either version 1.2
@@ -22,10 +22,10 @@ $^W=1; # turn warning on
#
my $file = "pdfcrop.pl";
my $program = uc($&) if $file =~ /^\w+/;
-my $version = "1.13";
-my $date = "2008/07/24";
+my $version = "1.15";
+my $date = "2009/07/14";
my $author = "Heiko Oberdiek";
-my $copyright = "Copyright (c) 2002-2008 by $author.";
+my $copyright = "Copyright (c) 2002-2009 by $author.";
#
# Reqirements: Perl5, Ghostscript
# History:
@@ -49,6 +49,9 @@ my $copyright = "Copyright (c) 2002-2008 by $author.";
# 2008/07/24 v1.13: open("-|")/workaround removed.
# Input files with unsafe file names are linked/copied
# to temporary file with safe file name.
+# 2008/09/12 v1.14: Error detection for invalid Bounding Boxes.
+# 2009/07/14 v1.15: Fix for negative coordinates in Bounding Boxes
+# (David Menestrina).
### program identification
my $title = "$program $version, $date - $copyright\n";
@@ -334,6 +337,18 @@ if ($::opt_tex eq 'pdftex') {
\pdfxform0\relax
\shipout\hbox{\pdfrefxform\pdflastxform}%
}%
+\def\pageinclude#1{%
+ \pdfhorigin=0pt\relax
+ \pdfvorigin=0pt\relax
+ \pdfximage page #1{\pdffile}%
+ \setbox0=\hbox{\pdfrefximage\pdflastximage}%
+ \pdfpagewidth=\wd0\relax
+ \pdfpageheight=\ht0\relax
+ \advance\pdfpageheight by \dp0\relax
+ \shipout\hbox{%
+ \raise\dp0\box0\relax
+ }%
+}
END_TMP_HEAD
}
else { # XeTeX
@@ -388,16 +403,51 @@ my $bb = ($::opt_hires) ? "%%HiResBoundingBox" : "%%BoundingBox";
while (<GS>) {
print $_ if $::opt_verbose;
next unless
- /^$bb:\s*([\.\d]+) ([\.\d]+) ([\.\d]+) ([\.\d]+)/o;
+ /^$bb:\s*(-?[\.\d]+) (-?[\.\d]+) (-?[\.\d]+) (-?[\.\d]+)/o;
@bbox = ($1, $2, $3, $4) unless $::opt_bbox;
$page++;
+
+ my $empty = 0;
+ $empty = 1 if $bbox[0] >= $bbox[2];
+ $empty = 1 if $bbox[1] >= $bbox[3];
+ if ($empty) {
+ print <<"END_WARNING";
+
+!!! Warning: Empty Bounding Box is returned by Ghostscript!
+!!! Page $page: @bbox
+!!! Either there is a problem with the page or with Ghostscript.
+!!! Recovery is tried by embedding the page in its original size.
+
+END_WARNING
+ print TMP "\\pageinclude{$page}\n";
+ next;
+ }
+
print "* Page $page: @bbox\n" if $::opt_verbose;
+
+ my @bb = ($bbox[0] - $llx, $bbox[1] - $ury,
+ $bbox[2] + $urx, $bbox[3] + $lly);
+
+ $empty = 0;
+ $empty = 1 if $bb[0] >= $bb[2];
+ $empty = 1 if $bb[1] >= $bb[3];
+ if ($empty) {
+ print <<"END_WARNING";
+
+!!! Warning: The final Bounding Box is empty!
+!!! Page: $page: @bb
+!!! Probably caused by too large negative margin values.
+!!! Recovery by ignoring margin values.
+
+END_WARNING
+ print TMP "\\page $page [@bbox]\n";
+ # clipping shouldn't make a difference
+ next;
+ }
if ($::opt_clip) {
print TMP "\\pageclip $page [@bbox][$llx $lly $urx $ury]\n";
}
else {
- my @bb = ($bbox[0] - $llx, $bbox[1] - $ury,
- $bbox[2] + $urx, $bbox[3] + $lly);
print TMP "\\page $page [@bb]\n";
}
}