SVG: Patch from betateilchen:

http://forum.fhem.de/index.php?topic=18058.new#new


git-svn-id: https://svn.fhem.de/fhem/trunk@4502 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/98_SVG.pm

@@ -1508,7 +1508,9 @@ SVG_pO($)
 ##################
 
 # this is a helper function which creates a PNG image from a given plot
-sub plotAsPng(@) {
+sub
+plotAsPng(@)
+{
   my (@plotName) = @_;
   my (@webs, $mimetype, $svgdata, $rsvg, $pngImg);
   
@@ -1534,6 +1536,9 @@ sub plotAsPng(@) {
   #Debug "MIME type= $mimetype";
   #Debug "SVG= $svgdata";
 
+  my ($w, $h) = split(",", AttrVal($plotName[0],"plotsize","800,160"));
+  $svgdata =~ s/<\/svg>/<polyline opacity="0" points="0,0 $w,$h"\/><\/svg>/;
+
   eval {
     require Image::LibRSVG;
     $rsvg = new Image::LibRSVG();