<?php
/**
* Media-handling base classes and generic functionality
+ *
* @file
* @ingroup Media
*/
* Get an image size array like that returned by getimagesize(), or false if it
* can't be determined.
*
- * @param Image $image The image object, or false if there isn't one
- * @param string $fileName The filename
- * @return array
+ * @param $image File: the image object, or false if there isn't one
+ * @param $path String: the filename
+ * @return Array
*/
abstract function getImageSize( $image, $path );
/**
* Get handler-specific metadata which will be saved in the img_metadata field.
*
- * @param Image $image The image object, or false if there isn't one
- * @param string $fileName The filename
- * @return string
+ * @param $image File: the image object, or false if there isn't one.
+ * Warning, File::getPropsFromPath might pass an (object)array() instead (!)
+ * @param $path String: the filename
+ * @return String
*/
function getMetadata( $image, $path ) { return ''; }
* Get a MediaTransformOutput object representing the transformed output. Does not
* actually do the transform.
*
- * @param Image $image The image object
- * @param string $dstPath Filesystem destination path
- * @param string $dstUrl Destination URL to use in output HTML
- * @param array $params Arbitrary set of parameters validated by $this->validateParam()
+ * @param $image File: the image object
+ * @param $dstPath String: filesystem destination path
+ * @param $dstUrl String: Destination URL to use in output HTML
+ * @param $params Array: Arbitrary set of parameters validated by $this->validateParam()
*/
function getTransform( $image, $dstPath, $dstUrl, $params ) {
return $this->doTransform( $image, $dstPath, $dstUrl, $params, self::TRANSFORM_LATER );
* Get a MediaTransformOutput object representing the transformed output. Does the
* transform unless $flags contains self::TRANSFORM_LATER.
*
- * @param Image $image The image object
- * @param string $dstPath Filesystem destination path
- * @param string $dstUrl Destination URL to use in output HTML
- * @param array $params Arbitrary set of parameters validated by $this->validateParam()
- * @param integer $flags A bitfield, may contain self::TRANSFORM_LATER
+ * @param $image File: the image object
+ * @param $dstPath String: filesystem destination path
+ * @param $dstUrl String: destination URL to use in output HTML
+ * @param $params Array: arbitrary set of parameters validated by $this->validateParam()
+ * @param $flags Integer: a bitfield, may contain self::TRANSFORM_LATER
*/
abstract function doTransform( $image, $dstPath, $dstUrl, $params, $flags = 0 );
* Get the thumbnail extension and MIME type for a given source MIME type
* @return array thumbnail extension and MIME type
*/
- function getThumbType( $ext, $mime ) {
+ function getThumbType( $ext, $mime, $params = null ) {
return array( $ext, $mime );
}
* Page count for a multi-page document, false if unsupported or unknown
*/
function pageCount( $file ) { return false; }
+ /**
+ * The material is vectorized and thus scaling is lossless
+ */
+ function isVectorized( $file ) { return false; }
/**
* False if the handler is disabled for all files
*/
);
}
+ /**
+ * Generic getter for text layer.
+ * Currently overloaded by PDF and DjVu handlers
+ */
+ function getPageText( $image, $page ) {
+ return false;
+ }
+
/**
* Get an array structure that looks like this:
*
}
/**
- * @fixme document this!
+ * @todo Fixme: document this!
* 'value' thingy goes into a wikitext table; it used to be escaped but
* that was incompatible with previous practice of customized display
* with wikitext formatting via messages such as 'exif-model-value'.
function getShortDesc( $file ) {
global $wgLang;
- $nbytes = '(' . wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
- $wgLang->formatNum( $file->getSize() ) ) . ')';
+ $nbytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
+ $wgLang->formatNum( $file->getSize() ) );
return "$nbytes";
}
static function getGeneralShortDesc( $file ) {
global $wgLang;
- $nbytes = '(' . wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
- $wgLang->formatNum( $file->getSize() ) ) . ')';
+ $nbytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
+ $wgLang->formatNum( $file->getSize() ) );
return "$nbytes";
}
*/
function parserTransformHook( $parser, $file ) {}
+ /**
+ * File validation hook called on upload.
+ *
+ * If the file at the given local path is not valid, or its MIME type does not
+ * match the handler class, a Status object should be returned containing
+ * relevant errors.
+ *
+ * @param $fileName The local path to the file.
+ * @return Status object
+ */
+ function verifyUpload( $fileName ) {
+ return Status::newGood();
+ }
+
/**
* Check for zero-sized thumbnails. These can be generated when
* no disk space is available or some other error occurs
if ( !isset( $params['width'] ) ) {
return false;
}
+
if ( !isset( $params['page'] ) ) {
$params['page'] = 1;
+ } else {
+ if ( $params['page'] > $image->pageCount() ) {
+ $params['page'] = $image->pageCount();
+ }
+
+ if ( $params['page'] < 1 ) {
+ $params['page'] = 1;
+ }
}
+
$srcWidth = $image->getWidth( $params['page'] );
$srcHeight = $image->getHeight( $params['page'] );
if ( isset( $params['height'] ) && $params['height'] != -1 ) {
/**
* Validate thumbnail parameters and fill in the correct height
*
- * @param integer &$width Specified width (input/output)
- * @param integer &$height Height (output only)
+ * @param $width Integer: specified width (input/output)
+ * @param $height Integer: height (output only)
+ * @param $srcWidth Integer: width of the source image
+ * @param $srcHeight Integer: height of the source image
+ * @param $mimeType Unused
* @return false to indicate that an error should be returned to the user.
*/
function validateThumbParams( &$width, &$height, $srcWidth, $srcHeight, $mimeType ) {
return $gis;
}
+ function isAnimatedImage( $image ) {
+ return false;
+ }
+
function getShortDesc( $file ) {
global $wgLang;
$nbytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff