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get an appropriate fontfamily #116

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get an appropriate fontfamily #116

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17 changes: 16 additions & 1 deletion prettymaps/draw.py
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
from copy import deepcopy
from .fetch import get_gdfs
from dataclasses import dataclass
from matplotlib import font_manager
from matplotlib import pyplot as plt
from matplotlib.colors import hex2color
from matplotlib.patches import Path, PathPatch
Expand Down Expand Up @@ -563,6 +564,20 @@ def draw_text(
params (Dict[str, dict]): matplotlib style parameters for drawing text. params['text'] should contain the message to be drawn.
background (BaseGeometry): Background layer
"""
def _get_available_fontfamily() -> str:
"""
Returns 'Ubuntu Mono' if it is an available fontfamily.
Otherwise returns a fontfamily that is available (Prefers '*Mono' fontfamily among others)
"""
all_fontfamily_names = [f.name for f in matplotlib.font_manager.fontManager.ttflist]
if 'Ubuntu Mono' in all_fontfamily_names or not len(all_fontfamily_names):
return 'Ubuntu Mono'
else:
mono_fontfamily_names = [name for name in all_fontfamily_names if 'Mono' in name]
if len(mono_fontfamily_names):
return mono_fontfamily_names[0]
else:
return all_fontfamily_names[0]
# Override default osm_credit dict with provided parameters
params = override_params(
dict(
Expand All @@ -574,7 +589,7 @@ def draw_text(
horizontalalignment='left',
verticalalignment='top',
bbox=dict(boxstyle='square', fc='#fff', ec='#000'),
fontfamily='Ubuntu Mono'
fontfamily=_get_available_fontfamily()
),
params
)
Expand Down