First try, drop `FastAppendCurve` inheritance from `pg.PlotCurveItem`
Tyler Goodlet
parent
25a3a123ec
commit
f9ec00e1ae
|
|
@ -95,8 +95,7 @@ _line_styles: dict[str, int] = {
|
|||
}
|
||||
|
||||
|
||||
# TODO: got a feeling that dropping this inheritance gets us even more speedups
|
||||
class FastAppendCurve(pg.PlotCurveItem):
|
||||
class FastAppendCurve(pg.GraphicsObject):
|
||||
'''
|
||||
A faster, append friendly version of ``pyqtgraph.PlotCurveItem``
|
||||
built for real-time data updates.
|
||||
|
|
@ -111,7 +110,11 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
'''
|
||||
def __init__(
|
||||
self,
|
||||
|
||||
x: np.ndarray,
|
||||
y: np.ndarray,
|
||||
*args,
|
||||
|
||||
step_mode: bool = False,
|
||||
color: str = 'default_lightest',
|
||||
fill_color: Optional[str] = None,
|
||||
|
|
@ -123,13 +126,19 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
|
||||
) -> None:
|
||||
|
||||
# brutaaalll, see comments within..
|
||||
self.yData = y
|
||||
self.xData = x
|
||||
|
||||
self._name = name
|
||||
self.path: Optional[QtGui.QPainterPath] = None
|
||||
|
||||
# TODO: we can probably just dispense with the parent since
|
||||
# we're basically only using the pen setting now...
|
||||
super().__init__(*args, **kwargs)
|
||||
self._xrange: tuple[int, int] = self.dataBounds(ax=0)
|
||||
|
||||
# self._xrange: tuple[int, int] = self.dataBounds(ax=0)
|
||||
self._xrange: Optional[tuple[int, int]] = None
|
||||
|
||||
# self._last_draw = time.time()
|
||||
self._use_poly = use_polyline
|
||||
|
|
@ -143,7 +152,7 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
if 'dash' in style:
|
||||
pen.setDashPattern([8, 3])
|
||||
|
||||
self.setPen(pen)
|
||||
self._pen = pen
|
||||
|
||||
# last segment is drawn in 2px thickness for emphasis
|
||||
# self.last_step_pen = pg.mkPen(hcolor(color), width=2)
|
||||
|
|
@ -156,7 +165,7 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
self._step_mode: bool = step_mode
|
||||
|
||||
# self._fill = True
|
||||
self.setBrush(hcolor(fill_color or color))
|
||||
self._brush = pg.functions.mkBrush(hcolor(fill_color or color))
|
||||
|
||||
# TODO: one question still remaining is if this makes trasform
|
||||
# interactions slower (such as zooming) and if so maybe if/when
|
||||
|
|
@ -171,6 +180,8 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
QGraphicsItem.DeviceCoordinateCache
|
||||
)
|
||||
|
||||
self.update()
|
||||
|
||||
def update_from_array(
|
||||
self,
|
||||
x: np.ndarray,
|
||||
|
|
@ -187,7 +198,11 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
profiler = pg.debug.Profiler(disabled=not pg_profile_enabled())
|
||||
flip_cache = False
|
||||
|
||||
istart, istop = self._xrange
|
||||
if self._xrange:
|
||||
istart, istop = self._xrange
|
||||
else:
|
||||
istart, istop = x[0], x[-1]
|
||||
|
||||
# print(f"xrange: {self._xrange}")
|
||||
|
||||
# compute the length diffs between the first/last index entry in
|
||||
|
|
@ -367,20 +382,19 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
# XXX: seems to be needed to avoid artifacts (see above).
|
||||
self.setCacheMode(QGraphicsItem.DeviceCoordinateCache)
|
||||
|
||||
# XXX: lol brutal, the internals of `CurvePoint` (inherited by
|
||||
# our `LineDot`) required ``.getData()`` to work..
|
||||
def getData(self):
|
||||
return self.xData, self.yData
|
||||
|
||||
def clear(self):
|
||||
'''
|
||||
Clear internal graphics making object ready for full re-draw.
|
||||
|
||||
'''
|
||||
# NOTE: original code from ``pg.PlotCurveItem``
|
||||
self.xData = None ## raw values
|
||||
self.xData = None
|
||||
self.yData = None
|
||||
self._renderSegmentList = None
|
||||
self.fillPath = None
|
||||
self._fillPathList = None
|
||||
self._mouseShape = None
|
||||
self._mouseBounds = None
|
||||
self._boundsCache = [None, None]
|
||||
|
||||
# path reservation aware non-mem de-alloc cleaning
|
||||
if self.path:
|
||||
|
|
@ -459,19 +473,17 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
self._step_mode
|
||||
and self._last_step_rect
|
||||
):
|
||||
brush = self.opts['brush']
|
||||
brush = self._brush
|
||||
|
||||
# p.drawLines(*tuple(filter(bool, self._last_step_lines)))
|
||||
# p.drawRect(self._last_step_rect)
|
||||
p.fillRect(self._last_step_rect, brush)
|
||||
|
||||
# p.drawPath(self.path)
|
||||
# profiler('.drawPath()')
|
||||
|
||||
if self._last_line:
|
||||
p.setPen(self.last_step_pen)
|
||||
p.drawLine(self._last_line)
|
||||
profiler('.drawLine()')
|
||||
p.setPen(self.opts['pen'])
|
||||
p.setPen(self._pen)
|
||||
|
||||
path = self.path
|
||||
if self._use_poly:
|
||||
|
|
@ -490,11 +502,3 @@ class FastAppendCurve(pg.PlotCurveItem):
|
|||
# if self._fill:
|
||||
# brush = self.opts['brush']
|
||||
# p.fillPath(self.path, brush)
|
||||
|
||||
# now = time.time()
|
||||
# print(f'DRAW RATE {1/(now - self._last_draw)}')
|
||||
# self._last_draw = now
|
||||
|
||||
|
||||
# import time
|
||||
# _last_draw: float = time.time()
|
||||
|
|
|
|||
Loading…
Reference in New Issue