def rgb(self, interval, value):
if qIsNaN(value):
return 0
width = interval.width()
if width <= 0.0:
return 0
ratio = (value - interval.minValue()) / width
return self.__data.colorStops.rgb(self.__data.mode, ratio)
def colorIndex(self, interval, value):
width = interval.width()
if qIsNaN(value) or width <= 0.0 or value <= interval.minValue():
return 0
if value >= interval.maxValue():
return 255
ratio = (value - interval.minValue()) / width
if self.__data.mode == self.FixedColors:
return int(ratio * 255)
else:
return int(ratio * 255 + 0.5)
def rgb(self, interval, value):
if qIsNaN(value):
return 0
width = interval.width()
if width <= 0.0:
return 0
if value <= interval.minValue():
return self.__data.rgb
if value >= interval.maxValue():
return self.__data.rgbMax
ratio = (value - interval.minValue()) / width
return self.__data.rgb | (int(round(255 * ratio)) << 24)
