3 * GNU social - a federating social network
5 * Plugin to handle more kinds of image formats thanks to ImageMagick
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Mikael Nordfeldth <mmn@hethane.se>
25 * @copyright 2014 Free Software Foundation http://fsf.org
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link https://www.gnu.org/software/social/
30 if (!defined('GNUSOCIAL')) { exit(1); }
37 * Animated image support (for image/gif at least)
40 class ImageMagickPlugin extends Plugin
42 protected $resize_animated = false;
45 * @param ImageFile $file An ImageFile object we're getting metadata for
46 * @param array $info The response from getimagesize()
48 public function onFillImageFileMetadata(ImageFile $imagefile) {
49 switch ($imagefile->type) {
51 $magick = new Imagick($imagefile->filepath);
52 $magick = $magick->coalesceImages();
53 $imagefile->animated = $magick->getNumberImages()>1;
60 public function onStartResizeImageFile(ImageFile $imagefile, $outpath, array $box) {
61 // So far we only take over the resize for IMAGETYPE_GIF
62 // (and only animated for gifs!)
63 if ($imagefile->type == IMAGETYPE_GIF && $imagefile->animated) {
64 if (!$this->resize_animated) {
65 // Don't resize if not desired, due to CPU/time limitations
68 $magick = new Imagick($imagefile->filepath);
69 $magick = $magick->coalesceImages();
70 $magick->setIteratorIndex(0);
72 $magick->cropImage($box['w'], $box['h'], $box['x'], $box['y']);
73 $magick->thumbnailImage($box['width'], $box['height']);
74 $magick->setImagePage($box['width'], $box['height'], 0, 0);
75 } while ($magick->nextImage());
76 $magick = $magick->deconstructImages();
78 // $magick->writeImages($outpath, true); did not work, had to use filehandle
79 // There's been bugs for writeImages in php5-imagick before, probably now too
80 $fh = fopen($outpath, 'w+');
81 $success = $magick->writeImagesFile($fh);
89 public function onPluginVersion(&$versions)
91 $versions[] = array('name' => 'ImageMagick',
92 'version' => GNUSOCIAL_VERSION,
93 'author' => 'Mikael Nordfeldth',
94 'homepage' => 'http://gnu.io/social',
96 // TRANS: Plugin description.
97 _m('Use ImageMagick for better image support.'));