3 Copyright(c)2008 Internet Archive. Software license AGPL version 3.
5 This file is part of GnuBook.
7 GnuBook is free software: you can redistribute it and/or modify
8 it under the terms of the GNU Affero General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 GnuBook is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU Affero General Public License for more details.
17 You should have received a copy of the GNU Affero General Public License
18 along with GnuBook. If not, see <http://www.gnu.org/licenses/>.
20 GnuBookPrint.php exists to get around the same-origin policy that prevents
21 us from calling print() on an iframe that comes from a cluster datanode.
24 $id = $_REQUEST['id'];
25 $server = $_REQUEST['server'];
26 $zip = $_REQUEST['zip'];
27 $index = $_REQUEST['index'];
28 $format = $_REQUEST['format'];
29 //$imgAspect = $_REQUEST['aspect'];
30 $width = $_REQUEST['width'];
31 $height = $_REQUEST['height'];
33 // $$$ escape the values
35 /* We assume that the print aspect ratio is somewhat close to US Letter in portrait orientation */
36 $paperAspect = 8.5/11;
37 $imgAspect = $width / $height;
39 // Returns (url, attrs)
40 function imageURL($paperAspect, $index, $format, $width, $height) {
41 global $server, $id, $zip;
44 $imgAspect = $width / $height;
46 if ('jp2' == $format) {
47 // Rotation is possible
48 if ($imgAspect > $paperAspect) {
50 $imgAspect = 1 / $imgAspect;
54 if ($imgAspect > $paperAspect) {
55 // wider than paper, fit width
56 $htmlAttrs = "width='95%'";
58 // taller than paper, fit height
59 $htmlAttrs = "height='95%'";
62 $file = sprintf("%s_%s/%s_%04d.%s", $id, $format, $id, $index, $format);
65 'id' => $id, // global
69 'zip' => $zip, // global
74 return "<img src='http://{$server}/GnuBook/GnuBookImages.php?" . http_build_query($queryParams) . "' " . $htmlAttrs . " />";
78 echo '<link rel="stylesheet" type="text/css" href="GnuBook.css" />';
79 echo "<style type='text/css'>";
80 echo " @media print { .noprint { font-size: 40pt; display: none; } }";
82 echo "<title>" . $id . "</title><body onload='print(); return false;'>";
83 echo "<p class='noprint' style='text-align: right'><button class='GBicon rollover print' title='Print' onclick='print(); return false;'></button> <a href='#' onclick='print(); return false;'>Print</a></p>";
84 echo "<p style='text-align:center;'>";
85 echo imageURL($paperAspect, $index, $format, $width, $height);
88 if (isset($_REQUEST['index2'])) {
89 $index2 = $_REQUEST['index2'];
90 $width2 = $_REQUEST['width2'];
91 $height2 = $_REQUST['height2'];
94 echo "<p style='text-align: center;'>";
95 echo imageURL($paperAspect, $index2, $format, $width2, $height2);
98 echo "</body></html>";