diff --git a/plugins/ImageMagick/ImageMagickPlugin.php b/plugins/ImageMagick/ImageMagickPlugin.php new file mode 100644 index 0000000000..aaef3ea212 --- /dev/null +++ b/plugins/ImageMagick/ImageMagickPlugin.php @@ -0,0 +1,101 @@ +. + * + * @category Plugin + * @package GNUsocial + * @author Mikael Nordfeldth + * @copyright 2014 Free Software Foundation http://fsf.org + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link https://www.gnu.org/software/social/ + */ + +if (!defined('GNUSOCIAL')) { exit(1); } + +/* + * Dependencies: + * php5-imagick + * + * Provides: + * Animated image support (for image/gif at least) + */ + +class ImageMagickPlugin extends Plugin +{ + protected $resize_animated = false; + + /** + * @param ImageFile $file An ImageFile object we're getting metadata for + * @param array $info The response from getimagesize() + */ + public function onFillImageFileMetadata(ImageFile $imagefile) { + switch ($imagefile->type) { + case IMAGETYPE_GIF: + $magick = new Imagick($imagefile->filepath); + $magick = $magick->coalesceImages(); + $imagefile->animated = $magick->getNumberImages()>1; + return false; + } + + return true; + } + + public function onStartResizeImageFile(ImageFile $imagefile, $outpath, array $box) { + // So far we only take over the resize for IMAGETYPE_GIF + // (and only animated for gifs!) + if ($imagefile->type == IMAGETYPE_GIF && $imagefile->animated) { + if (!$this->resize_animated) { + // Don't resize if not desired, due to CPU/time limitations + return false; + } + $magick = new Imagick($imagefile->filepath); + $magick = $magick->coalesceImages(); + $magick->setIteratorIndex(0); + do { + $magick->cropImage($box['w'], $box['h'], $box['x'], $box['y']); + $magick->thumbnailImage($box['width'], $box['height']); + $magick->setImagePage($box['width'], $box['height'], 0, 0); + } while ($magick->nextImage()); + $magick = $magick->deconstructImages(); + + // $magick->writeImages($outpath, true); did not work, had to use filehandle + // There's been bugs for writeImages in php5-imagick before, probably now too + $fh = fopen($outpath, 'w+'); + $success = $magick->writeImagesFile($fh); + fclose($fh); + + return !$success; + } + return true; + } + + public function onPluginVersion(&$versions) + { + $versions[] = array('name' => 'ImageMagick', + 'version' => GNUSOCIAL_VERSION, + 'author' => 'Mikael Nordfeldth', + 'homepage' => 'http://gnu.io/social', + 'rawdescription' => + // TRANS: Plugin description. + _m('Use ImageMagick for better image support.')); + return true; + } +} +