def update_levels(self):
if not self.data:
return
if not self.threshold_low < self.threshold_high:
# TODO this belongs here, not in the parent
self.parent.Warning.threshold_error()
return
else:
self.parent.Warning.threshold_error.clear()
if self.img.image is not None:
levels = get_levels(self.img.image)
else:
levels = [0, 255]
prec = pixels_to_decimals((levels[1] - levels[0])/1000)
rounded_levels = [float_to_str_decimals(levels[0], prec), float_to_str_decimals(levels[1], prec)]
self._level_low_le.validator().setDefault(rounded_levels[0])
self._level_high_le.validator().setDefault(rounded_levels[1])
self._level_low_le.setPlaceholderText(rounded_levels[0])
self._level_high_le.setPlaceholderText(rounded_levels[1])
ll = float(self.level_low) if self.level_low is not None else levels[0]
lh = float(self.level_high) if self.level_high is not None else levels[1]
ll_threshold = ll + (lh - ll) * self.threshold_low
lh_threshold = ll + (lh - ll) * self.threshold_high
self.img.setLevels([ll_threshold, lh_threshold])
def update_levels(self):
if not self.data:
return
if not self.threshold_low < self.threshold_high:
# TODO this belongs here, not in the parent
self.parent.Warning.threshold_error()
return
else:
self.parent.Warning.threshold_error.clear()
if self.img.image is not None:
levels = get_levels(self.img.image)
else:
levels = [0, 255]
prec = pixels_to_decimals((levels[1] - levels[0])/1000)
rounded_levels = [float_to_str_decimals(levels[0], prec),
float_to_str_decimals(levels[1], prec)]
self._level_low_le.validator().setDefault(rounded_levels[0])
self._level_high_le.validator().setDefault(rounded_levels[1])
self._level_low_le.setPlaceholderText(rounded_levels[0])
self._level_high_le.setPlaceholderText(rounded_levels[1])
ll = float(self.level_low) if self.level_low is not None else levels[0]
lh = float(self.level_high) if self.level_high is not None else levels[1]
ll_threshold = ll + (lh - ll) * self.threshold_low
lh_threshold = ll + (lh - ll) * self.threshold_high
self.img.setLevels([ll_threshold, lh_threshold])