Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
BMP.php	1.92 KB	-rw-r--r--	2016-11-28 20:20
Bitmap.php	19.63 KB	-rw-r--r--	2016-11-28 20:20
BitmapMetadataHandler.php	9.32 KB	-rw-r--r--	2016-11-28 20:20
Bitmap_ClientOnly.php	1.83 KB	-rw-r--r--	2016-11-28 20:20
DjVu.php	11.13 KB	-rw-r--r--	2016-11-28 20:20
DjVuImage.php	10.43 KB	-rw-r--r--	2016-11-28 20:20
Exif.php	28.64 KB	-rw-r--r--	2016-11-28 20:20
ExifBitmap.php	8.38 KB	-rw-r--r--	2016-11-28 20:20
FormatMetadata.php	49.84 KB	-rw-r--r--	2016-11-28 20:20
GIF.php	5 KB	-rw-r--r--	2016-11-28 20:20
GIFMetadataExtractor.php	9.18 KB	-rw-r--r--	2016-11-28 20:20
Generic.php	20.85 KB	-rw-r--r--	2011-12-26 00:57
IPTC.php	18.25 KB	-rw-r--r--	2016-11-28 20:20
ImageHandler.php	7.72 KB	-rw-r--r--	2016-11-28 20:20
Jpeg.php	5.37 KB	-rw-r--r--	2016-11-28 20:20
JpegMetadataExtractor.php	9.73 KB	-rw-r--r--	2016-11-28 20:20
MediaHandler.php	26.1 KB	-rw-r--r--	2016-11-28 20:20
MediaHandlerFactory.php	2.6 KB	-rw-r--r--	2016-11-28 20:20
MediaTransformInvalidParametersException.php	980 B	-rw-r--r--	2016-11-28 20:20
MediaTransformOutput.php	14.87 KB	-rw-r--r--	2016-11-28 20:20
PNG.php	4.82 KB	-rw-r--r--	2016-11-28 20:20
PNGMetadataExtractor.php	13.02 KB	-rw-r--r--	2016-11-28 20:20
SVG.php	15.4 KB	-rw-r--r--	2016-11-28 20:20
SVGMetadataExtractor.php	12.85 KB	-rw-r--r--	2016-11-28 20:20
Tiff.php	2.86 KB	-rw-r--r--	2016-11-28 20:20
TransformationalImageHandler.php	19.74 KB	-rw-r--r--	2016-11-28 20:20
WebP.php	8.61 KB	-rw-r--r--	2016-11-28 20:20
XCF.php	6.17 KB	-rw-r--r--	2016-11-28 20:20
XMP.php	37.44 KB	-rw-r--r--	2011-06-17 18:05
XMPInfo.php	34.15 KB	-rw-r--r--	2011-10-26 20:47
XMPValidate.php	9.88 KB	-rw-r--r--	2011-04-18 15:08
tinyrgb.icc	524 B	-rw-r--r--	2016-11-28 20:20

Rename

<?php
/**
 * 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
 */

/**
 * Handler for GIF images.
 *
 * @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 );
		} catch ( Exception $e ) {
			// Broken file?
			wfDebug( __METHOD__ . ': ' . $e->getMessage() . "\n" );

return self::BROKEN_FILE;
		}

return serialize( $parsedGIFMetadata );
	}

/**
	 * @param File $image
	 * @param bool|IContextSource $context Context to use (optional)
	 * @return array|bool
	 */
	function formatMetadata( $image, $context = false ) {
		$meta = $this->getCommonMetaArray( $image );
		if ( count( $meta ) === 0 ) {
			return false;
		}

return $this->formatMetadataHelper( $meta, $context );
	}

/**
	 * Return the standard metadata elements for #filemetadata parser func.
	 * @param File $image
	 * @return array|bool
	 */
	public function getCommonMetaArray( File $image ) {
		$meta = $image->getMetadata();

if ( !$meta ) {
			return [];
		}
		$meta = unserialize( $meta );
		if ( !isset( $meta['metadata'] ) ) {
			return [];
		}
		unset( $meta['metadata']['_MW_GIF_VERSION'] );

return $meta['metadata'];
	}

/**
	 * @todo Add unit tests
	 *
	 * @param File $image
	 * @return bool
	 */
	function getImageArea( $image ) {
		$ser = $image->getMetadata();
		if ( $ser ) {
			$metadata = unserialize( $ser );

return $image->getWidth() * $image->getHeight() * $metadata['frameCount'];
		} else {
			return $image->getWidth() * $image->getHeight();
		}
	}

/**
	 * @param File $image
	 * @return bool
	 */
	function isAnimatedImage( $image ) {
		$ser = $image->getMetadata();
		if ( $ser ) {
			$metadata = unserialize( $ser );
			if ( $metadata['frameCount'] > 1 ) {
				return true;
			}
		}

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';
	}

function isMetadataValid( $image, $metadata ) {
		if ( $metadata === self::BROKEN_FILE ) {
			// Do not repetitivly regenerate metadata on broken file.
			return self::METADATA_GOOD;
		}

MediaWiki\suppressWarnings();
		$data = unserialize( $metadata );
		MediaWiki\restoreWarnings();

if ( !$data || !is_array( $data ) ) {
			wfDebug( __METHOD__ . " invalid GIF metadata\n" );

return self::METADATA_BAD;
		}

if ( !isset( $data['metadata']['_MW_GIF_VERSION'] )
			|| $data['metadata']['_MW_GIF_VERSION'] != GIFMetadataExtractor::VERSION
		) {
			wfDebug( __METHOD__ . " old but compatible GIF metadata\n" );

return self::METADATA_COMPATIBLE;
		}

return self::METADATA_GOOD;
	}

/**
	 * @param File $image
	 * @return string
	 */
	function getLongDesc( $image ) {
		global $wgLang;

$original = parent::getLongDesc( $image );

MediaWiki\suppressWarnings();
		$metadata = unserialize( $image->getMetadata() );
		MediaWiki\restoreWarnings();

if ( !$metadata || $metadata['frameCount'] <= 1 ) {
			return $original;
		}

/* Preserve original image info string, but strip the last char ')' so we can add even more */
		$info = [];
		$info[] = $original;

if ( $metadata['looped'] ) {
			$info[] = wfMessage( 'file-info-gif-looped' )->parse();
		}

if ( $metadata['frameCount'] > 1 ) {
			$info[] = wfMessage( 'file-info-gif-frames' )->numParams( $metadata['frameCount'] )->parse();
		}

if ( $metadata['duration'] ) {
			$info[] = $wgLang->formatTimePeriod( $metadata['duration'] );
		}

return $wgLang->commaList( $info );
	}

/**
	 * Return the duration of the GIF file.
	 *
	 * Shown in the &query=imageinfo&iiprop=size api query.
	 *
	 * @param File $file
	 * @return float The duration of the file.
	 */
	public function getLength( $file ) {
		$serMeta = $file->getMetadata();
		MediaWiki\suppressWarnings();
		$metadata = unserialize( $serMeta );
		MediaWiki\restoreWarnings();

if ( !$metadata || !isset( $metadata['duration'] ) || !$metadata['duration'] ) {
			return 0.0;
		} else {
			return (float)$metadata['duration'];
		}
	}
}