pikers
/
piker
3
0
Fork 0
Code Issues 2 Pull Requests 4 Packages Projects Releases Wiki Activity

Font size tweaks for low dpi

to_qpainterpath_and_beyond
Tyler Goodlet 2020-12-04 13:07:03 -05:00
parent 247b5fa2ec
commit 1f8f2eb8b3
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
piker/ui/_style.py
View File

@ -18,6 +18,7 @@
Qt UI styling.
"""
from typing import Optional
import math
import pyqtgraph as pg
from PyQt5 import QtCore, QtGui
@ -27,10 +28,9 @@ from ..log import get_logger
log = get_logger(__name__)
# chart-wide font
# font size 6px / 53 dpi (3x scaled down on 4k hidpi)
_default_font_inches_we_like = 6 / 53 # px / (px / inch) = inch
_down_2_font_inches_we_like = 4 / 53
# chart-wide fonts specified in inches
_default_font_inches_we_like = 0.0666
_down_2_font_inches_we_like = 6 / 96
class DpiAwareFont:
@ -66,8 +66,12 @@ class DpiAwareFont:
listed in the script in ``snippets/qt_screen_info.py``.
"""
dpi = screen.physicalDotsPerInch()
font_size = round(self._iwl * dpi)
# take the max since scaling can make things ugly in some cases
pdpi = screen.physicalDotsPerInch()
ldpi = screen.logicalDotsPerInch()
dpi = max(pdpi, ldpi)
font_size = math.floor(self._iwl * dpi)
log.info(
f"\nscreen:{screen.name()} with DPI: {dpi}"
f"\nbest font size is {font_size}\n"