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Guard against zero px width

m4_corrections
Tyler Goodlet 2022-04-04 10:43:44 -04:00
parent b055fc9daa
commit ec877f38a0
1 changed files with 5 additions and 3 deletions
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8
piker/ui/_curve.py
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@ -341,7 +341,8 @@ class FastAppendCurve(pg.GraphicsObject):
# check for downsampling conditions # check for downsampling conditions
if ( if (
# std m4 downsample conditions # std m4 downsample conditions
uppx_diff >= 2 px_width
and uppx_diff >= 2
or uppx_diff <= -2 or uppx_diff <= -2
or self._step_mode and abs(uppx_diff) >= 2 or self._step_mode and abs(uppx_diff) >= 2
@ -350,7 +351,7 @@ class FastAppendCurve(pg.GraphicsObject):
f'{self._name} sampler change: {self._last_uppx} -> {uppx}' f'{self._name} sampler change: {self._last_uppx} -> {uppx}'
) )
self._last_uppx = uppx self._last_uppx = uppx
should_ds = {'px_width': px_width, 'uppx': uppx} should_ds = True
elif ( elif (
uppx <= 2 uppx <= 2
@ -410,7 +411,8 @@ class FastAppendCurve(pg.GraphicsObject):
x_out, y_out = self.downsample( x_out, y_out = self.downsample(
x_out, x_out,
y_out, y_out,
**should_ds, px_width,
uppx,
) )
profiler(f'FULL PATH downsample redraw={should_ds}') profiler(f'FULL PATH downsample redraw={should_ds}')
self._in_ds = True self._in_ds = True