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File:  [LON-CAPA] / loncom / build / help_graphics_converter.pl
Revision 1.4: download - view: text, annotated - select for diffs
Mon Aug 19 21:40:55 2002 UTC (21 years, 8 months ago) by bowersj2
Branches: MAIN
CVS tags: version_2_9_X, version_2_9_99_0, version_2_9_1, version_2_9_0, version_2_8_X, version_2_8_99_1, version_2_8_99_0, version_2_8_2, version_2_8_1, version_2_8_0, version_2_7_X, version_2_7_99_1, version_2_7_99_0, version_2_7_1, version_2_7_0, version_2_6_X, version_2_6_99_1, version_2_6_99_0, version_2_6_3, version_2_6_2, version_2_6_1, version_2_6_0, version_2_5_X, version_2_5_99_1, version_2_5_99_0, version_2_5_2, version_2_5_1, version_2_5_0, version_2_4_X, version_2_4_99_0, version_2_4_2, version_2_4_1, version_2_4_0, version_2_3_X, version_2_3_99_0, version_2_3_2, version_2_3_1, version_2_3_0, version_2_2_X, version_2_2_99_1, version_2_2_99_0, version_2_2_2, version_2_2_1, version_2_2_0, version_2_1_X, version_2_1_99_3, version_2_1_99_2, version_2_1_99_1, version_2_1_99_0, version_2_1_3, version_2_1_2, version_2_1_1, version_2_1_0, version_2_10_X, version_2_10_1, version_2_10_0_RC2, version_2_10_0_RC1, version_2_10_0, version_2_0_X, version_2_0_99_1, version_2_0_2, version_2_0_1, version_2_0_0, version_1_99_3, version_1_99_2, version_1_99_1_tmcc, version_1_99_1, version_1_99_0_tmcc, version_1_99_0, version_1_3_X, version_1_3_3, version_1_3_2, version_1_3_1, version_1_3_0, version_1_2_X, version_1_2_99_1, version_1_2_99_0, version_1_2_1, version_1_2_0, version_1_1_X, version_1_1_99_5, version_1_1_99_4, version_1_1_99_3, version_1_1_99_2, version_1_1_99_1, version_1_1_99_0, version_1_1_3, version_1_1_2, version_1_1_1, version_1_1_0, version_1_0_99_3, version_1_0_99_2, version_1_0_99_1, version_1_0_99, version_1_0_3, version_1_0_2, version_1_0_1, version_1_0_0, version_0_99_5, version_0_99_4, version_0_99_3, version_0_99_2, version_0_99_1, version_0_99_0, version_0_6_2, version_0_6, loncapaMITrelate_1, language_hyphenation_merge, language_hyphenation, conference_2003, bz6209-base, bz6209, bz5969, bz5610, bz2851, PRINT_INCOMPLETE_base, PRINT_INCOMPLETE, HEAD, GCI_3, GCI_2, GCI_1, BZ5971-printing-apage, BZ5434-fox
Detects absense of ImageMagick during graphics conversion and issues an
**** ERROR **** if ImageMagick is not installed.

    1: # The LearningOnline Network
    2: # help_graphics_converter - converts help .png into .gif and .eps
    3: #
    4: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    5: #
    6: # LON-CAPA is free software; you can redistribute it and/or modify
    7: # it under the terms of the GNU General Public License as published by
    8: # the Free Software Foundation; either version 2 of the License, or
    9: # (at your option) any later version.
   10: #
   11: # LON-CAPA is distributed in the hope that it will be useful,
   12: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   13: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   14: # GNU General Public License for more details.
   15: #
   16: # You should have received a copy of the GNU General Public License
   17: # along with LON-CAPA; if not, write to the Free Software
   18: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   19: #
   20: # /home/httpd/html/adm/gpl.txt
   21: #
   22: # http://www.lon-capa.org/
   23: #
   24: # YEAR=2002
   25: # 7/4, Jeremy Bowers
   26: #
   27: ###
   28: 
   29: use strict;
   30: 
   31: my $dirprefix = "../html/adm/help/";
   32: 
   33: # Check that the png directory exists
   34: if (not (-d $dirprefix . "png/"))
   35: { die "Can't convert help graphics because the png directory is not ".
   36:       "installed."; }
   37: 
   38: mkdir $dirprefix . "gif/", 0755;
   39: mkdir $dirprefix . "eps/", 0755;
   40: 
   41: my $convert = `which convert`;
   42: if ($convert eq '')
   43: {
   44:     open LOG, ">> WARNINGS";
   45:     print LOG "**** ERROR **** ImageMagick is not installed. You must install ImageMagick to use LON-CAPA. Please see your installation instructions.\n";
   46:     print "**** ERROR **** ImageMagick is not installed. You must install ImageMagick to use LON-CAPA. Please see your installation instructions.\n";
   47:     exit;
   48: }
   49: 
   50: foreach my $file (glob($dirprefix . "png/*.png"))
   51: {
   52:     my $filename = substr($file, rindex($file, "/") + 1);
   53:     my $gifdest = $dirprefix . "gif/" . substr($filename, 0, -4) . ".gif";
   54:     my $epsdest = $dirprefix . "eps/" . substr($filename, 0, -4) . ".eps";
   55:     
   56:     
   57:     print "Converting $filename... gif";
   58:     system ("convert $file $gifdest\n") if (not (-s $gifdest));
   59:     print " eps";
   60:     system ("convert $file $epsdest\n") if (not (-s $epsdest));
   61:     print " done.\n";
   62: }
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