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Catch overflows from Point.length()

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Merge branch 'release-0.9.8.1' into develop
This commit is contained in:
Luke Campagnola 2014-04-03 13:15:55 -04:00
commit 01d629396a
3 changed files with 24 additions and 6 deletions
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10
pyqtgraph/graphicsItems/PlotCurveItem.py
View File

@ -173,8 +173,14 @@ class PlotCurveItem(GraphicsObject):
if pxPad > 0:
# determine length of pixel in local x, y directions
px, py = self.pixelVectors()
px = 0 if px is None else px.length()
py = 0 if py is None else py.length()
try:
px = 0 if px is None else px.length()
except OverflowError:
px = 0
try:
py = 0 if py is None else py.length()
except OverflowError:
py = 0
# return bounds expanded by pixel size
px *= pxPad

10
pyqtgraph/graphicsItems/ROI.py
View File

@ -822,7 +822,10 @@ class ROI(GraphicsObject):
if not self.rotateAllowed:
return
## If the handle is directly over its center point, we can't compute an angle.
if lp1.length() == 0 or lp0.length() == 0:
try:
if lp1.length() == 0 or lp0.length() == 0:
return
except OverflowError:
return
## determine new rotation angle, constrained if necessary
@ -862,7 +865,10 @@ class ROI(GraphicsObject):
else:
scaleAxis = 0
if lp1.length() == 0 or lp0.length() == 0:
try:
if lp1.length() == 0 or lp0.length() == 0:
return
except OverflowError:
return
ang = newState['angle'] - lp0.angle(lp1)

10
pyqtgraph/graphicsItems/ScatterPlotItem.py
View File

@ -664,8 +664,14 @@ class ScatterPlotItem(GraphicsObject):
if pxPad > 0:
# determine length of pixel in local x, y directions
px, py = self.pixelVectors()
px = 0 if px is None else px.length()
py = 0 if py is None else py.length()
try:
px = 0 if px is None else px.length()
except OverflowError:
px = 0
try:
py = 0 if py is None else py.length()
except OverflowError:
py = 0
# return bounds expanded by pixel size
px *= pxPad