Use `Curve.x_last()` for zoom focal point

overlays_interaction_latency_tuning
Tyler Goodlet 2022-12-07 17:06:01 -05:00
parent fe932a96a9
commit 4d2b5c8f86
1 changed files with 18 additions and 17 deletions

View File

@ -35,7 +35,7 @@ import trio
from ..log import get_logger
from .._profile import Profiler
from .._profile import pg_profile_enabled, ms_slower_then
# from ._style import _min_points_to_show
from ._style import _min_points_to_show
from ._editors import SelectRect
from . import _event
@ -492,18 +492,20 @@ class ChartView(ViewBox):
chart = self.linked.chart
# don't zoom more then the min points setting
out = l, lbar, rbar, r = chart.get_viz(chart.name).bars_range()
# vl = r - l
viz = chart.get_viz(chart.name)
vl, lbar, rbar, vr = viz.bars_range()
rl = vr - vl
# if ev.delta() > 0 and vl <= _min_points_to_show:
# log.debug("Max zoom bruh...")
# TODO: max/min zoom limits incorporating time step size.
# if ev.delta() > 0 and rl <= _min_points_to_show:
# log.warning("Max zoom bruh...")
# return
# if (
# ev.delta() < 0
# and vl >= len(chart._vizs[chart.name].shm.array) + 666
# and rl >= len(chart._vizs[chart.name].shm.array) + 666
# ):
# log.debug("Min zoom bruh...")
# log.warning("Min zoom bruh...")
# return
# actual scaling factor
@ -552,8 +554,7 @@ class ChartView(ViewBox):
# This seems like the most "intuitive option, a hybrid of
# tws and tv styles
last_bar = pg.Point(int(rbar)) + 1
# last_bar = pg.Point(int(rbar)) + 1
ryaxis = chart.getAxis('right')
r_axis_x = ryaxis.pos().x()
@ -561,21 +562,21 @@ class ChartView(ViewBox):
round(
chart.cv.mapToView(
pg.Point(r_axis_x - chart._max_l1_line_len)
# QPointF(chart._max_l1_line_len, 0)
).x()
)
) # .x()
).x()
# self.state['viewRange'][0][1] = end_of_l1
# focal = pg.Point((last_bar.x() + end_of_l1)/2)
focal = min(
last_bar,
end_of_l1,
key=lambda p: p.x()
)
# focal = pg.Point(last_bar.x() + end_of_l1)
# use right-most point of current curve graphic
xl = viz.graphics.x_last()
focal = min(
xl,
end_of_l1,
)
self._resetTarget()
self.scaleBy(s, focal)