def get_font_measurements(self,
cap_height: float,
font=None) -> FontMeasurements:
return FontMeasurements(baseline=0.0,
cap_top=1.0,
x_top=0.5,
bottom=-0.2)
def get_font_measurements(self,
cap_height: float,
font=None) -> FontMeasurements:
return FontMeasurements(baseline=0.0,
cap_height=1.0,
x_height=0.5,
descender_height=0.2)
def _get_font_measurements(font: FontProperties = FontProperties()
) -> "FontMeasurements":
upper_x = _text_path('X', font).vertices[:, 1].tolist()
lower_x = _text_path('x', font).vertices[:, 1].tolist()
lower_p = _text_path('p', font).vertices[:, 1].tolist()
return FontMeasurements(baseline=min(lower_x),
cap_top=max(upper_x),
x_top=max(lower_x),
bottom=min(lower_p))
def _get_font_measurements(font: qg.QFont) -> FontMeasurements:
upper_x = _get_text_rect(font, 'X')
lower_x = _get_text_rect(font, 'x')
lower_p = _get_text_rect(font, 'p')
return FontMeasurements(
baseline=lower_x.bottom(),
cap_top=upper_x.top(),
x_top=lower_x.top(),
bottom=lower_p.bottom(),
)
def get_font_measurements(self, font: FontProperties) -> FontMeasurements:
# None is the default font.
key = hash(font)
measurements = self._font_measurement_cache.get(key)
if measurements is None:
upper_x = self.get_text_path('X', font).vertices[:, 1].tolist()
lower_x = self.get_text_path('x', font).vertices[:, 1].tolist()
lower_p = self.get_text_path('p', font).vertices[:, 1].tolist()
baseline = min(lower_x)
measurements = FontMeasurements(baseline=baseline,
cap_height=max(upper_x) - baseline,
x_height=max(lower_x) - baseline,
descender_height=baseline -
min(lower_p))
self._font_measurement_cache[key] = measurements
return measurements
def get_font_measurements(self, font: qg.QFont) -> FontMeasurements:
# None is the default font.
key = hash(font) # good hash?
measurements = self._font_measurement_cache.get(key)
if measurements is None:
upper_x = self.get_text_rect('X', font)
lower_x = self.get_text_rect('x', font)
lower_p = self.get_text_rect('p', font)
baseline = lower_x.bottom()
measurements = FontMeasurements(
baseline=baseline,
cap_height=baseline - upper_x.top(),
x_height=baseline - lower_x.top(),
descender_height=lower_p.bottom() - baseline,
)
self._font_measurement_cache[key] = measurements
return measurements
