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thumbmaker.in
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Sat, Nov 2, 20:26

thumbmaker.in
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## $Id$
## This file is part of the CERN Document Server Software (CDSware).
## Copyright (C) 2002, 2003, 2004, 2005 CERN.
##
## The CDSware is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## The CDSware is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDSware; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
## read config variables:
#include "config.wml"
#include "configbis.wml"
<protect>#!</protect><PHP> -q
<?
## $Id$
## DO NOT EDIT THIS FILE! IT WAS AUTOMATICALLY GENERATED FROM CDSware WML SOURCES.
########################################################
#
# Description: Creates GIF thumbnails of bigger size x pixels
# Works for both gif and jpeg pictures
# This scripts needs many local programs to work: jpegsize,
# djpeg, pnmscale, ppmtogif, ppmquant, gifrsize, convert
# The path to these programs are stored in the config_XXX.php
# Creator: T.Baron
#
# INPUT: $1->Path to picture file
# $2->Path to resulting thumbnail
# $3->largest size (in pixels)
#
# OUTPUT: thumbnail file at $2
#
########################################################
</protect>
$DJPEG="<DJPEG>";
$CONVERT="<CONVERT>";
$GIFTEXT="<GIFTEXT>";
$JPEGSIZE="<JPEGSIZE>";
$PNMSCALE="<PNMSCALE>";
$PPMQUANT="<PPMQUANT>";
$PPMTOGIF="<PPMTOGIF>";
$GIFINTER="<GIFINTER>";
$GIFRSIZE="<GIFRSIZE>";
<protect>
if ($DJPEG == "")
{
print "\nthumbmaker: Cannot find djpeg\n";
exit;
}
if ($CONVERT == "")
{
print "\nthumbmaker: Cannot find convert\n";
exit;
}
if ($GIFTEXT == "")
{
print "\nthumbmaker: Cannot find giftext\n";
exit;
}
if ($JPEGSIZE == "")
{
print "\nthumbmaker: Cannot find jpegsize\n";
exit;
}
if ($PNMSCALE == "")
{
print "\nthumbmaker: Cannot find pnmscale\n";
exit;
}
if ($PPMQUANT == "")
{
print "\nthumbmaker: Cannot find ppmquant\n";
exit;
}
if ($PPMTOGIF == "")
{
print "\nthumbmaker: Cannot find ppmtogif\n";
exit;
}
if ($GIFINTER == "")
{
print "\nthumbmaker: Cannot find gifinter\n";
exit;
}
if ($GIFRSIZE == "")
{
print "\nthumbmaker: Cannot find gifrsize\n";
exit;
}
if ( count($argv) != 4 )
{
print "usage : thumbmaker <path_to_picture> <path_to_thumbnail> "
. "<max_thumbnail_size>\n";
exit;
}
else
{
$picture=$argv[1];
$thumbnail=$argv[2];
$maxsize=$argv[3];
}
#######################################################
#
# Main script
#
#######################################################
#get extension
$extension = ereg_replace(".*\.","",$picture);
$ext = strtolower($extension);
if ($ext != "gif"
&& $ext != "jpeg"
&& $ext != "jpg"
&& $ext != "pdf"
&& $ext != "ps" )
{
print "$0: works only with GIF, PDF, PS or JPEG formats!!!\n";
exit;
}
if ( $ext == "pdf" )
{
$newname = str_replace(".pdf",".gif",$picture);
$isPDF = TRUE;
system("$CONVERT pdf:$picture gif:$newname");
$picture = $newname;
$ext = "gif";
}
elseif ( $ext == "ps" )
{
$newname = str_replace(".ps",".gif",$picture);
$isPDF = TRUE;
system("$CONVERT ps:$picture gif:$newname");
$picture = $newname;
$ext = "gif";
}
else
$isPDF = FALSE;
#get picture size
if ($ext == "gif")
{
$imagesize=`$GIFTEXT $picture | grep "Image Size"`;
$imagesize = ereg_replace("\n.*","",$imagesize);
$width = ereg_replace(".*Width = ","",$imagesize);
$width = ereg_replace(" Height.*","",$width);
$height = ereg_replace(".*Height = ","",$imagesize);
$height = ereg_replace("\..*","",$height);
}
else
{
$imagesize=`$JPEGSIZE $picture`;
$width = ereg_replace(" .*","",$imagesize);
chop($width);
$height = ereg_replace(".* ","",$imagesize);
chop($height);
}
#process scale factor
if ( $width > $height )
$originalmaxsize = $width;
else
$originalmaxsize = $height;
$scale = $maxsize/$originalmaxsize;
#create gif picture if jpeg + transform interlaced gif
$basename = ereg_replace("\.$extension","",$picture);
if ( $ext == "jpg" || $ext == "jpeg" )
system("$DJPEG $picture | $PNMSCALE"
. " $scale | $PPMQUANT 256 | "
. "$PPMTOGIF > $thumbnail");
else
{
system("$GIFINTER $picture > ${basename}_TMfinal.gif");
#create final thumbnail
system("$GIFRSIZE -s $scale ${basename}_TMfinal.gif "
. "> $thumbnail");
system("rm -r ${basename}_TMfinal.gif");
}
if ($isPDF == TRUE)
system("rm $picture");
</protect>
?>

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