Add simple switch process

README.rst

@@ -87,7 +87,8 @@ Known limitations
   of supported attributes is still limited
 - clipping is limited to single paths, no mask support
 - color gradients are not supported (limitation of reportlab)
-- SVG ``ForeignObject`` elements are not supported.
+- SVG ``ForeignObject`` elements are not supported
+- limited support for SVG ``switch`` elements.
 
 
 Examples

svglib/svglib.py

@@ -555,6 +555,9 @@ def renderNode(self, node, parent=None):
             parent.add(item)
         elif name == "clipPath":
             item = self.renderG(node)
+        elif name == "switch": # process only default case
+            item = self.renderSwitch(node)
+            parent.add(item)
         elif name in self.handled_shapes:
             if name == 'image':
                 # We resolve the image target at renderer level because it can point
@@ -826,6 +829,14 @@ def renderG(self, node, clipping=None):
 
         return gr
 
+    def renderSwitch(self, node):
+        gr = Group()
+        for child in node.iter_children():
+            if child.getAttribute('requiredFeatures') == '':
+                self.renderNode(child, parent=gr)
+                break
+        return gr
+
     def renderStyle(self, node):
         self.attrConverter.css_rules.add_styles(node.text or "")