anpassung für transparente png konvertierung

libs/piccreate.py

@@ -21,7 +21,6 @@ def create_picture_frame( config ):
     params = dict()
     params['width'] = config.get('globals', 'width')
     params['height'] = config.get('globals', 'height')
-    params['background'] = config.get('globals', 'background')
 
     #echo '<svg xmlns="http://www.w3.org/2000/svg" version="1.1">'
     begintpl = '''<?xml version="1.0" encoding="UTF-8" standalone="no"?>
@@ -34,14 +33,15 @@ def create_picture_frame( config ):
     height="${height}"
     >
 '''
-    imagetpl = '''    <image width="${width}" height="${height}"
-        xlink:href="file://${background}">
-    </image>
-    '''
     svgbegin = Template( begintpl ).substitute(params)
     # falls ein Hintergrundbild verwendet werden soll, dann das genauso gross
     # machen...
     try:
+        params['background'] = config.get('globals', 'background')
+        imagetpl = '''    <image width="${width}" height="${height}"
+        xlink:href="file://${background}">
+        </image>
+        '''
         background = config.get('globals', 'background')
         font_path = os.path.expandvars(os.path.join('$PICCREATE_BACKGROUNDS', background  ))
         params['background'] = os.path.normpath(font_path)