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Increase current bar's pen size by a px

fast_step_curve
Tyler Goodlet 2021-09-20 13:41:53 -04:00
parent 5bf8e6a90e
commit 43666a1a8e
1 changed files with 4 additions and 1 deletions
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5
piker/ui/_ohlc.py
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@ -182,12 +182,14 @@ class BarItems(pg.GraphicsObject):
# scene: 'QGraphicsScene', # noqa # scene: 'QGraphicsScene', # noqa
plotitem: 'pg.PlotItem', # noqa plotitem: 'pg.PlotItem', # noqa
pen_color: str = 'bracket', pen_color: str = 'bracket',
last_bar_color: str = 'bracket',
) -> None: ) -> None:
super().__init__() super().__init__()
# XXX: for the mega-lulz increasing width here increases draw latency... # XXX: for the mega-lulz increasing width here increases draw latency...
# so probably don't do it until we figure that out. # so probably don't do it until we figure that out.
self.bars_pen = pg.mkPen(hcolor(pen_color), width=1) self.bars_pen = pg.mkPen(hcolor(pen_color), width=1)
self.last_bar_pen = pg.mkPen(hcolor(last_bar_color), width=2)
# NOTE: this prevents redraws on mouse interaction which is # NOTE: this prevents redraws on mouse interaction which is
# a huge boon for avg interaction latency. # a huge boon for avg interaction latency.
@ -364,7 +366,6 @@ class BarItems(pg.GraphicsObject):
profiler = pg.debug.Profiler(disabled=not pg_profile_enabled()) profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())
# p.setCompositionMode(0) # p.setCompositionMode(0)
p.setPen(self.bars_pen)
# TODO: one thing we could try here is pictures being drawn of # TODO: one thing we could try here is pictures being drawn of
# a fixed count of bars such that based on the viewbox indices we # a fixed count of bars such that based on the viewbox indices we
@ -372,9 +373,11 @@ class BarItems(pg.GraphicsObject):
# as is necesarry for what's in "view". Not sure if this will # as is necesarry for what's in "view". Not sure if this will
# lead to any perf gains other then when zoomed in to less bars # lead to any perf gains other then when zoomed in to less bars
# in view. # in view.
p.setPen(self.last_bar_pen)
p.drawLines(*tuple(filter(bool, self._last_bar_lines))) p.drawLines(*tuple(filter(bool, self._last_bar_lines)))
profiler('draw last bar') profiler('draw last bar')
p.setPen(self.bars_pen)
p.drawPath(self.path) p.drawPath(self.path)
profiler('draw history path') profiler('draw history path')