106 lines
3.1 KiB
PHP
106 lines
3.1 KiB
PHP
<?php
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/**
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* @file
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* @ingroup Media
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*/
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/**
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* @ingroup Media
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*/
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class SvgHandler extends ImageHandler {
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function isEnabled() {
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global $wgSVGConverters, $wgSVGConverter;
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if ( !isset( $wgSVGConverters[$wgSVGConverter] ) ) {
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wfDebug( "\$wgSVGConverter is invalid, disabling SVG rendering.\n" );
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return false;
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} else {
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return true;
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}
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}
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function mustRender( $file ) {
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return true;
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}
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function normaliseParams( $image, &$params ) {
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global $wgSVGMaxSize;
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if ( !parent::normaliseParams( $image, $params ) ) {
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return false;
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}
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# Don't make an image bigger than wgMaxSVGSize
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$params['physicalWidth'] = $params['width'];
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$params['physicalHeight'] = $params['height'];
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if ( $params['physicalWidth'] > $wgSVGMaxSize ) {
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$srcWidth = $image->getWidth( $params['page'] );
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$srcHeight = $image->getHeight( $params['page'] );
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$params['physicalWidth'] = $wgSVGMaxSize;
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$params['physicalHeight'] = File::scaleHeight( $srcWidth, $srcHeight, $wgSVGMaxSize );
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}
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return true;
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}
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function doTransform( $image, $dstPath, $dstUrl, $params, $flags = 0 ) {
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global $wgSVGConverters, $wgSVGConverter, $wgSVGConverterPath;
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if ( !$this->normaliseParams( $image, $params ) ) {
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return new TransformParameterError( $params );
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}
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$clientWidth = $params['width'];
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$clientHeight = $params['height'];
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$physicalWidth = $params['physicalWidth'];
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$physicalHeight = $params['physicalHeight'];
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$srcPath = $image->getPath();
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if ( $flags & self::TRANSFORM_LATER ) {
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return new ThumbnailImage( $image, $dstUrl, $clientWidth, $clientHeight, $dstPath );
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}
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if ( !wfMkdirParents( dirname( $dstPath ) ) ) {
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return new MediaTransformError( 'thumbnail_error', $clientWidth, $clientHeight,
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wfMsg( 'thumbnail_dest_directory' ) );
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}
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$err = false;
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if( isset( $wgSVGConverters[$wgSVGConverter] ) ) {
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$cmd = str_replace(
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array( '$path/', '$width', '$height', '$input', '$output' ),
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array( $wgSVGConverterPath ? wfEscapeShellArg( "$wgSVGConverterPath/" ) : "",
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intval( $physicalWidth ),
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intval( $physicalHeight ),
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wfEscapeShellArg( $srcPath ),
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wfEscapeShellArg( $dstPath ) ),
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$wgSVGConverters[$wgSVGConverter] ) . " 2>&1";
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wfProfileIn( 'rsvg' );
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wfDebug( __METHOD__.": $cmd\n" );
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$err = wfShellExec( $cmd, $retval );
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wfProfileOut( 'rsvg' );
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}
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$removed = $this->removeBadFile( $dstPath, $retval );
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if ( $retval != 0 || $removed ) {
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wfDebugLog( 'thumbnail',
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sprintf( 'thumbnail failed on %s: error %d "%s" from "%s"',
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wfHostname(), $retval, trim($err), $cmd ) );
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return new MediaTransformError( 'thumbnail_error', $clientWidth, $clientHeight, $err );
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} else {
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return new ThumbnailImage( $image, $dstUrl, $clientWidth, $clientHeight, $dstPath );
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}
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}
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function getImageSize( $image, $path ) {
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return wfGetSVGsize( $path );
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}
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function getThumbType( $ext, $mime ) {
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return array( 'png', 'image/png' );
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}
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function getLongDesc( $file ) {
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global $wgLang;
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return wfMsgExt( 'svg-long-desc', 'parseinline',
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$wgLang->formatNum( $file->getWidth() ),
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$wgLang->formatNum( $file->getHeight() ),
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$wgLang->formatSize( $file->getSize() ) );
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}
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}
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