[reportlab-users] svg rendering and groups

[Marcel Tromp]

Problem is that renderSVG assumes additive transforms while RL assumes 
absolute transforms for groups in groups.

The patch below solves the problem. It surpresses transforms for group 
elements.

Marcel
--

--- renderSVG.py        2008-10-04 22:37:44.791828000 -0700
+++
/lib/python2.5/site-packages/reportlab/graphics/renderSVG.py
2008-06-30 20:47:27.069418000 -0700
@@ -661,19 +661,10 @@
                  node2 = childNode.provideNode()
              else:
                  node2 = childNode
-            if isinstance(node2, Group) == False:
-                self.drawNode(node2)
+            self.drawNode(node2)
          self._canvas.transform(a, b, c, d, e, f)
          self._canvas.endGroup(currGroup)

-        for childNode in group.getContents():
-            if isinstance(childNode, UserNode):
-                node2 = childNode.provideNode()
-            else:
-                node2 = childNode
-            if isinstance(node2, Group):
-                self.drawNode(node2)
-
          if self.verbose: print "### end _SVGRenderer.drawGroup"



Andy Robinson wrote:

> 2008/10/2 Dinu Gherman <gherman at darwin.in-berlin.de>:

>> I was involved in writing ReportLab's renderSVG module (Robin,

>> correct me, if I'm wrong), but I am no longer and I don't know

>> how much RL supports or even uses this code nowadays.

> 

> Nobody here actually looks closely at the output.

> 

> We'd welcome both specific error messages and patches; I can be

> certain they won't break any RL applications as we don't use SVG

> at all.

> 

> - Andy

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