121 lines
4.2 KiB
PHP
121 lines
4.2 KiB
PHP
<?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)
|
|
*
|
|
* Suggestions:
|
|
* After enabling the ImageMagick plugin, you might want to regenerate
|
|
* thumbnails for the newly support formats. This is easiest done with
|
|
* a script in the GNU social-bundled scripts directory:
|
|
* $ php scripts/clean_thumbnails.php
|
|
*
|
|
* Bugs:
|
|
* Not even ImageMagick is very good at resizing animated GIFs.
|
|
*/
|
|
|
|
class ImageMagickPlugin extends Plugin
|
|
{
|
|
// configurable plugin options must be declared public
|
|
public $resize_animated = null;
|
|
|
|
public function initialize()
|
|
{
|
|
parent::initialize();
|
|
|
|
if (is_null($this->resize_animated)) {
|
|
$this->resize_animated = common_config('image', 'resize_animated');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @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 true;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|