def __init__(self, palette, scale):
"""
:param palette: palette used for showing continuous values
:type palette: ContinuousPaletteGenerator
:param scale: an instance of DiscretizedScale that defines the
conversion of values into bins
:type scale: DiscretizedScale
"""
super().__init__(None)
self.palette = palette
self.scale = scale
cuts = ["{0:.{1}f}".format(scale.offset + i * scale.width, scale.decimals)
for i in range(scale.bins + 1)]
self.labels = [QStaticText("{} - {}".format(fr, to))
for fr, to in zip(cuts, cuts[1:])]
for label in self.labels:
label.prepare()
self.text_width = max(label.size().width() for label in self.labels)
