Make `.paint()` method always the last
parent
95bf522b48
commit
739399d5a9
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@ -186,8 +186,8 @@ class BarItems(pg.GraphicsObject):
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) -> None:
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super().__init__()
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# XXX: for the mega-lulz increasing width here increases draw latency...
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# so probably don't do it until we figure that out.
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# XXX: for the mega-lulz increasing width here increases draw
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# latency... so probably don't do it until we figure that out.
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self.bars_pen = pg.mkPen(hcolor(pen_color), width=1)
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self.last_bar_pen = pg.mkPen(hcolor(last_bar_color), width=2)
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@ -356,31 +356,6 @@ class BarItems(pg.GraphicsObject):
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if flip_cache:
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self.setCacheMode(QtWidgets.QGraphicsItem.DeviceCoordinateCache)
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def paint(
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self,
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p: QtGui.QPainter,
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opt: QtWidgets.QStyleOptionGraphicsItem,
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w: QtWidgets.QWidget
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) -> None:
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profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())
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# p.setCompositionMode(0)
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# TODO: one thing we could try here is pictures being drawn of
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# a fixed count of bars such that based on the viewbox indices we
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# only draw the "rounded up" number of "pictures worth" of bars
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# as is necesarry for what's in "view". Not sure if this will
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# lead to any perf gains other then when zoomed in to less bars
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# in view.
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p.setPen(self.last_bar_pen)
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p.drawLines(*tuple(filter(bool, self._last_bar_lines)))
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profiler('draw last bar')
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p.setPen(self.bars_pen)
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p.drawPath(self.path)
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profiler('draw history path')
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def boundingRect(self):
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# Qt docs: https://doc.qt.io/qt-5/qgraphicsitem.html#boundingRect
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@ -424,3 +399,28 @@ class BarItems(pg.GraphicsObject):
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)
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)
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def paint(
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self,
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p: QtGui.QPainter,
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opt: QtWidgets.QStyleOptionGraphicsItem,
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w: QtWidgets.QWidget
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) -> None:
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profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())
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# p.setCompositionMode(0)
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# TODO: one thing we could try here is pictures being drawn of
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# a fixed count of bars such that based on the viewbox indices we
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# only draw the "rounded up" number of "pictures worth" of bars
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# as is necesarry for what's in "view". Not sure if this will
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# lead to any perf gains other then when zoomed in to less bars
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# in view.
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p.setPen(self.last_bar_pen)
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p.drawLines(*tuple(filter(bool, self._last_bar_lines)))
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profiler('draw last bar')
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p.setPen(self.bars_pen)
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p.drawPath(self.path)
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profiler('draw history path')
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