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Size level line markers to dpi aware font size

readme_bumpz
Tyler Goodlet 2021-03-31 14:25:51 -04:00
parent 54d36f26f0
commit 0dfa92230d
1 changed files with 26 additions and 13 deletions
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39
piker/ui/_graphics/_lines.py
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@ -18,6 +18,7 @@
Lines for orders, alerts, L2. Lines for orders, alerts, L2.
""" """
from math import floor
from typing import Tuple, Optional, List from typing import Tuple, Optional, List
import pyqtgraph as pg import pyqtgraph as pg
@ -27,7 +28,7 @@ from PyQt5.QtCore import QPointF
from .._annotate import mk_marker, qgo_draw_markers from .._annotate import mk_marker, qgo_draw_markers
from .._label import Label, vbr_left, right_axis from .._label import Label, vbr_left, right_axis
from .._style import hcolor from .._style import hcolor, _font
# TODO: probably worth investigating if we can # TODO: probably worth investigating if we can
@ -628,11 +629,17 @@ def order_line(
) )
if show_markers: if show_markers:
font_size = _font.font.pixelSize()
# scale marker size with dpi-aware font size
arrow_size = floor(1.375 * font_size)
alert_size = arrow_size * 0.666
# add arrow marker on end of line nearest y-axis # add arrow marker on end of line nearest y-axis
marker_style, marker_size = { marker_style, marker_size = {
'buy': ('|<', 20), 'buy': ('|<', arrow_size),
'sell': ('>|', 20), 'sell': ('>|', arrow_size),
'alert': ('v', 12), 'alert': ('v', alert_size),
}[action] }[action]
# this fixes it the artifact issue! .. of course, bouding rect stuff # this fixes it the artifact issue! .. of course, bouding rect stuff
@ -695,7 +702,7 @@ def order_line(
rlabel = line.add_label( rlabel = line.add_label(
side='right', side='right',
side_of_axis='left', side_of_axis='left',
x_offset=3*marker_size + 5, x_offset=4*marker_size,
fmt_str=( fmt_str=(
'{size:.{size_digits}f} ' '{size:.{size_digits}f} '
), ),
@ -739,14 +746,6 @@ def position_line(
hide_xhair_on_hover=False, hide_xhair_on_hover=False,
use_marker_margin=True, use_marker_margin=True,
) )
if size > 0:
arrow_path = mk_marker('|<')
elif size < 0:
arrow_path = mk_marker('>|')
line.add_marker(arrow_path)
# hide position marker when out of view (for now) # hide position marker when out of view (for now)
vb = line.getViewBox() vb = line.getViewBox()
@ -775,6 +774,20 @@ def position_line(
rlabel.render() rlabel.render()
rlabel.show() rlabel.show()
# arrow marker
# scale marker size with dpi-aware font size
font_size = _font.font.pixelSize()
# scale marker size with dpi-aware font size
arrow_size = floor(1.375 * font_size)
if size > 0:
style = '|<'
elif size < 0:
style = '>|'
arrow_path = mk_marker(style, size=arrow_size)
line.add_marker(arrow_path)
line.set_level(level) line.set_level(level)
# sanity check # sanity check