From d45cd49cc06a60a278b4095953d18ecc5ad5838b Mon Sep 17 00:00:00 2001
From: borisneubert <borisneubert@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Sat, 7 Apr 2012 13:08:59 +0000
Subject: [PATCH] preserve aspect ratio of background for 02_RSS.pm

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@1420 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 FHEM/02_RSS.pm | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/FHEM/02_RSS.pm b/FHEM/02_RSS.pm
index 7bdd74970..dc90f8423 100644
--- a/FHEM/02_RSS.pm
+++ b/FHEM/02_RSS.pm
@@ -311,6 +311,8 @@ RSS_returnJPEG($) {
     $defs{$name}{fhem}{counter}= 1;
   }
 
+  # true color
+  GD::Image->trueColor(1);
   
   #
   # create the image
@@ -353,7 +355,16 @@ RSS_returnJPEG($) {
     my $bgfile= $bgdir . "/" . $bgfiles[$bgnr];
     my $bg= newFromJpeg GD::Image($bgfile);
     my ($bgwidth,$bgheight)= $bg->getBounds();
-    $S->copyResized($bg,0,0,0,0,$width,$height,$bgwidth,$bgheight);
+    my ($w,$h);
+    my ($u,$v)= ($bgwidth/$width, $bgheight/$height);
+    if($u>$v) {
+        $w= $width;
+        $h= $bgheight/$u;
+    } else {
+        $h= $height;
+        $w= $bgwidth/$v;
+    }
+    $S->copyResized($bg,($width-$w)/2,($height-$h)/2,0,0,$w,$h,$bgwidth,$bgheight);
   }
   SKIPBG: