Fix "warning: operation on 'y' may be undefined".

[wxWidgets.git] / wxPython / wx / lib / plot.py

diff --git a/wxPython/wx/lib/plot.py b/wxPython/wx/lib/plot.py
index 44196f234aab2169199b6d3375c6b7560534c4b2..e1d02016b62c0845100a9820e7aa31ab69363e89 100644 (file)
--- a/wxPython/wx/lib/plot.py
+++ b/wxPython/wx/lib/plot.py
@@ -564,8 +564,7 @@ class PlotCanvas(wx.Window):
         """Print current plot."""
         if paper != None:
             self.print_data.SetPaperId(paper)
-        pdd = wx.PrintDialogData()
-        pdd.SetPrintData(self.print_data)
+        pdd = wx.PrintDialogData(self.print_data)
         printer = wx.Printer(pdd)
         out = PlotPrintout(self)
         print_ok = printer.Print(self.parent, out)
@@ -1027,7 +1026,9 @@ class PlotCanvas(wx.Window):
         # The Buffer init is done here, to make sure the buffer is always
         # the same size as the Window
         Size  = self.GetClientSize()
-
+        if Size.width <= 0 or Size.height <= 0:
+            return
+        
         # Make new offscreen bitmap: this bitmap will always have the
         # current drawing in it, so it can be used to save the image to
         # a file, or whatever.