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7710: Fix crash in fan chart view when scrolling

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Nick Hall 2014-05-17 01:03:52 +01:00
parent a2dcbebd35
commit 3e514a9798
1 changed files with 3 additions and 0 deletions
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gramps/gui/widgets/fanchart.py
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@ -664,6 +664,9 @@ class FanChartBaseWidget(Gtk.DrawingArea):
PangoCairo.layout_path(cr, layout) PangoCairo.layout_path(cr, layout)
#le = layout.get_line(0).get_pixel_extents()[0] #le = layout.get_line(0).get_pixel_extents()[0]
pe = cr.path_extents() pe = cr.path_extents()
if pe == (0.0, 0.0, 0.0, 0.0):
# 7710: When scrolling the path extents are zero on Ubuntu 14.04
return
arc_used_ratio = w / (radius * rad_spread) arc_used_ratio = w / (radius * rad_spread)
rad_mid = math.radians(pos) + rad_spread/2 rad_mid = math.radians(pos) + rad_spread/2