1 files changed, 97 insertions, 0 deletions
diff --git a/includes/media/SVG.php b/includes/media/SVG.php
new file mode 100644
index 00000000..5307e269
--- /dev/null
+++ b/includes/media/SVG.php
@@ -0,0 +1,97 @@
+<?php
+
+/**
+ * @addtogroup Media
+ */
+class SvgHandler extends ImageHandler {
+	function isEnabled() {
+		global $wgSVGConverters, $wgSVGConverter;
+		if ( !isset( $wgSVGConverters[$wgSVGConverter] ) ) {
+			wfDebug( "\$wgSVGConverter is invalid, disabling SVG rendering.\n" );
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	function mustRender() {
+		return true;
+	}
+
+	function normaliseParams( $image, &$params ) {
+		global $wgSVGMaxSize;
+		if ( !parent::normaliseParams( $image, $params ) ) {
+			return false;
+		}
+
+		# Don't make an image bigger than wgMaxSVGSize
+		$params['physicalWidth'] = $params['width'];
+		$params['physicalHeight'] = $params['height'];
+		if ( $params['physicalWidth'] > $wgSVGMaxSize ) {
+			$srcWidth = $image->getWidth( $params['page'] );
+			$srcHeight = $image->getHeight( $params['page'] );
+			$params['physicalWidth'] = $wgSVGMaxSize;
+			$params['physicalHeight'] = Image::scaleHeight( $srcWidth, $srcHeight, $wgSVGMaxSize );
+		}
+		return true;
+	}
+	
+	function doTransform( $image, $dstPath, $dstUrl, $params, $flags = 0 ) {
+		global $wgSVGConverters, $wgSVGConverter, $wgSVGConverterPath;
+		
+		if ( !$this->normaliseParams( $image, $params ) ) {
+			return new TransformParameterError( $params );
+		}
+		$clientWidth = $params['width'];
+		$clientHeight = $params['height'];
+		$physicalWidth = $params['physicalWidth'];
+		$physicalHeight = $params['physicalHeight'];
+		$srcWidth = $image->getWidth();
+		$srcHeight = $image->getHeight();
+		$srcPath = $image->getImagePath();
+
+		if ( $flags & self::TRANSFORM_LATER ) {
+			return new ThumbnailImage( $dstUrl, $clientWidth, $clientHeight, $dstPath );
+		}
+
+		if ( !wfMkdirParents( dirname( $dstPath ) ) ) {
+			return new MediaTransformError( 'thumbnail_error', $clientWidth, $clientHeight, 
+				wfMsg( 'thumbnail_dest_directory' ) );
+		}
+
+		$err = false;
+		if( isset( $wgSVGConverters[$wgSVGConverter] ) ) {
+			$cmd = str_replace(
+				array( '$path/', '$width', '$height', '$input', '$output' ),
+				array( $wgSVGConverterPath ? wfEscapeShellArg( "$wgSVGConverterPath/" ) : "",
+					   intval( $physicalWidth ),
+					   intval( $physicalHeight ),
+					   wfEscapeShellArg( $srcPath ),
+					   wfEscapeShellArg( $dstPath ) ),
+				$wgSVGConverters[$wgSVGConverter] ) . " 2>&1";
+			wfProfileIn( 'rsvg' );
+			wfDebug( __METHOD__.": $cmd\n" );
+			$err = wfShellExec( $cmd, $retval );
+			wfProfileOut( 'rsvg' );
+		}
+
+		$removed = $this->removeBadFile( $dstPath, $retval );
+		if ( $retval != 0 || $removed ) {
+			wfDebugLog( 'thumbnail',
+				sprintf( 'thumbnail failed on %s: error %d "%s" from "%s"',
+					wfHostname(), $retval, trim($err), $cmd ) );
+			return new MediaTransformError( 'thumbnail_error', $clientWidth, $clientHeight, $err );
+		} else {
+			return new ThumbnailImage( $dstUrl, $clientWidth, $clientHeight, $dstPath );
+		}
+	}
+
+	function getImageSize( $image, $path ) {
+		return wfGetSVGsize( $path );
+	}
+
+	function getThumbType( $ext, $mime ) {
+		return array( 'png', 'image/png' );
+	}
+}
+?>