From 5f4b3ec0642d1b16524bd614b18a34ca1e6b086a Mon Sep 17 00:00:00 2001
From: Jens Frank <jeluf@users.mediawiki.org>
Date: Tue, 17 Aug 2004 21:07:14 +0000
Subject: [PATCH] On image pages, limit image width to $wgMaxImageWidth. If
 $wgUseImageResize is set, the image will be resized to fit this limit. The
 resized image links to the big image. Default for $wgMaxImageWidth is 800
 pixels. Set to really big values (like 9999999) to disable.

---
 includes/DefaultSettings.php |  4 ++++
 includes/ImagePage.php       | 20 ++++++++++++++++----
 2 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 1375c74587..91b5cb287a 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -392,6 +392,10 @@ $wgSiteNotice = "";
 # 
 $wgUseImageResize		= false;
 
+## Set maximum width of images on image description pages.
+## Images bigger than this will be rendered down.
+$wgMaxImageWidth = 800;
+
 ## Resizing can be done using PHP's internal image libraries
 ## or using ImageMagick. The later supports more file formats
 ## than PHP, which only supports PNG, GIF, JPG, XBM and WBMP.
diff --git a/includes/ImagePage.php b/includes/ImagePage.php
index 0d7215c107..9f0eab9758 100644
--- a/includes/ImagePage.php
+++ b/includes/ImagePage.php
@@ -31,9 +31,12 @@ class ImagePage extends Article {
 
 	function openShowImage()
 	{
-		global $wgOut, $wgUser,$wgRequest;
+		global $wgOut, $wgUser, $wgRequest, $wgMaxImageWidth, $wgUseImageResize;
 		$this->img  = Image::newFromTitle( $this->mTitle );
 		$url  = $this->img->getUrl();
+		$anchoropen = "";
+		$anchorclose = "";
+
 
 		if ( $this->img->exists() ) {
 
@@ -41,9 +44,18 @@ class ImagePage extends Article {
 			
 			if ( $this->img->getType() != "" ) {
 				# image
-				$s = "<div class=\"fullImage\">" .
-				     "<img src=\"{$url}\" width=\"" . $this->img->getWidth() . "\" height=\"" . $this->img->getHeight() .
-				     "\" alt=\"".$wgRequest->getVal( 'image' )."\" /></div>";
+				$width = $this->img->getWidth();
+				$height = $this->img->getHeight();
+				if ( $width > $wgMaxImageWidth && $wgUseImageResize ) {
+					$anchoropen  = "<a href=\"{$url}\">";
+					$anchorclose = '</a>';
+					$url=$this->img->createThumb( $wgMaxImageWidth );
+					$height = floor( $height * $wgMaxImageWidth / $width );
+					$width  = $wgMaxImageWidth;
+				}
+				$s = "<div class=\"fullImage\">" . $anchoropen .
+				     "<img border=\"0\" src=\"{$url}\" width=\"{$width}\" height=\"{$height}\" alt=\"" .
+				     $wgRequest->getVal( 'image' )."\" />" . $anchorclose . "</div>";
 			} else {
 				$s = "<div class=\"fullMedia\">".$sk->makeMediaLink($this->img->getName(),"")."</div>";
 			}
-- 
2.20.1