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GIF support (I know you love it)

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make sure you have php5-imagick and then enable with addPlugin('ImageMagick')
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Mikael Nordfeldth 2015-01-21 16:43:46 +01:00
parent e6fe996661
commit 25911368c8
1 changed files with 101 additions and 0 deletions
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plugins/ImageMagick/ImageMagickPlugin.php Normal file
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<?php
/**
* GNU social - a federating social network
*
* Plugin to handle more kinds of image formats thanks to ImageMagick
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package GNUsocial
* @author Mikael Nordfeldth <mmn@hethane.se>
* @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;
}
}