From 4cc32f979a5f0f9addfd312fe78489267703062e Mon Sep 17 00:00:00 2001
From: Derk-Jan Hartman <hartman@users.mediawiki.org>
Date: Sun, 31 Oct 2010 21:49:25 +0000
Subject: [PATCH] Add a new isVectorized() to files and media handlers. Only
 SVG returns true.

Related to Bug 19633.
---
 includes/filerepo/File.php | 13 +++++++++++++
 includes/media/Generic.php |  4 ++++
 includes/media/SVG.php     |  4 ++++
 3 files changed, 21 insertions(+)

diff --git a/includes/filerepo/File.php b/includes/filerepo/File.php
index 77b1b16bdf..063fb169da 100644
--- a/includes/filerepo/File.php
+++ b/includes/filerepo/File.php
@@ -266,6 +266,19 @@ abstract class File {
 		}
 	}
 
+	/**
+         * Get the duration of a media file in seconds
+         */
+        public function isVectorized() {
+                $handler = $this->getHandler();
+                if ( $handler ) {
+                        return $handler->isVectorized( $this );
+                } else {
+                        return false;
+                }
+        }
+
+
 	/**
 	 * Get handler-specific metadata
 	 * Overridden by LocalFile, UnregisteredLocalFile
diff --git a/includes/media/Generic.php b/includes/media/Generic.php
index db3f4ce38b..92f03045c3 100644
--- a/includes/media/Generic.php
+++ b/includes/media/Generic.php
@@ -161,6 +161,10 @@ abstract class MediaHandler {
 	 * 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
 	 */
diff --git a/includes/media/SVG.php b/includes/media/SVG.php
index 242b2645b7..c2541659fb 100644
--- a/includes/media/SVG.php
+++ b/includes/media/SVG.php
@@ -26,6 +26,10 @@ class SvgHandler extends ImageHandler {
 		return true;
 	}
 
+	function isVectorized( $file ) {
+		return true;
+	}
+
 	function normaliseParams( $image, &$params ) {
 		global $wgSVGMaxSize;
 		if ( !parent::normaliseParams( $image, $params ) ) {
-- 
2.20.1