/**
* Handler for GIF images.
*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup Media
*/
class GIFHandler extends BitmapHandler {
const BROKEN_FILE = '0'; // value to store in img_metadata if error extracting metadata.
-
+
function getMetadata( $image, $filename ) {
try {
$parsedGIFMetadata = BitmapMetadataHandler::GIF( $filename );
/**
* @param $image File
- * @param $width
- * @param $height
- * @return
+ * @todo unittests
+ * @return bool
*/
- function getImageArea( $image, $width, $height ) {
+ function getImageArea( $image ) {
$ser = $image->getMetadata();
if ( $ser ) {
$metadata = unserialize( $ser );
- return $width * $height * $metadata['frameCount'];
+ return $image->getWidth() * $image->getHeight() * $metadata['frameCount'];
} else {
- return $width * $height;
+ return $image->getWidth() * $image->getHeight();
}
}
return false;
}
+ /**
+ * We cannot animate thumbnails that are bigger than a particular size
+ * @param File $file
+ * @return bool
+ */
+ function canAnimateThumbnail( $file ) {
+ global $wgMaxAnimatedGifArea;
+ $answer = $this->getImageArea( $file ) <= $wgMaxAnimatedGifArea;
+ return $answer;
+ }
+
function getMetadataType( $image ) {
return 'parsed-gif';
}
wfSuppressWarnings();
$metadata = unserialize($image->getMetadata());
wfRestoreWarnings();
-
+
if (!$metadata || $metadata['frameCount'] <= 1) {
return $original;
}
/* Preserve original image info string, but strip the last char ')' so we can add even more */
$info = array();
$info[] = $original;
-
+
if ( $metadata['looped'] ) {
- $info[] = wfMsgExt( 'file-info-gif-looped', 'parseinline' );
+ $info[] = wfMessage( 'file-info-gif-looped' )->parse();
}
-
+
if ( $metadata['frameCount'] > 1 ) {
- $info[] = wfMsgExt( 'file-info-gif-frames', 'parseinline', $metadata['frameCount'] );
+ $info[] = wfMessage( 'file-info-gif-frames' )->numParams( $metadata['frameCount'] )->parse();
}
-
+
if ( $metadata['duration'] ) {
$info[] = $wgLang->formatTimePeriod( $metadata['duration'] );
}
-
+
return $wgLang->commaList( $info );
}
}