def __init__(self,
name,
color0=QColor("black"),
color1=QColor("white"),
alpha=(1, 1)):
QObject.__init__(self)
self.name = name
# color is either specified as one argument (which should then be a [3,n] or [4,n] array),
# or as two QColors orstring names.
if isinstance(color0, (list, tuple)):
self._rgb = numpy.array(color0)
if self._rgb.shape[1] != 3 or self._rgb.shape[0] < 2:
raise TypeError(
"expected [N,3] (N>=2) array as first argument")
else:
if isinstance(color0, str):
color0 = QColor(color0)
if isinstance(color1, str):
color1 = QColor(color1)
self._rgb = numpy.array([[
color0.red(), color0.green(),
color0.blue()
], [color1.red(), color1.green(),
color1.blue()]]) / 255.
self._rgb_arg = numpy.arange(
self._rgb.shape[0]) / (self._rgb.shape[0] - 1.0)
# alpha array
self._alpha = numpy.array(alpha).astype(float)
self._alpha_arg = numpy.arange(len(alpha)) / (len(alpha) - 1.0)
# background brush
self._brush = None
def getColorDesc(_colorTag, outputAlpha=False):
if _colorTag is None:
return QColor(Qt.yellow), "#FFFF00"
colorTag = _colorTag.lower()
if (colorTag == "red"):
qtColor = QColor(Qt.red)
elif (colorTag == "green"):
qtColor = QColor(Qt.green)
elif (colorTag == "blue"):
qtColor = QColor(Qt.blue)
elif (colorTag == "cyan"):
qtColor = QColor(Qt.cyan)
elif (colorTag == "darkGray"):
qtColor = QColor(Qt.darkGray)
elif (colorTag == "magenta"):
qtColor = QColor(Qt.magenta)
elif (colorTag[0] == "#"):
colorHexDesc = colorTag
qtColor = hexColorStrToQtColor(colorTag, outputAlpha)
else:
qtColor = QColor(Qt.yellow)
colorHexDesc = "#FFFF00"
if qtColor is not None:
colorHexDesc = "#%02x%02x%02x" % (qtColor.red(), qtColor.green(),
qtColor.blue())
# LOG.info("qtColor = {}, colorHexDesc = {}".format(qtColor, colorHexDesc))
return qtColor, colorHexDesc
def __init__(self, name, color0=QColor("black"), color1=QColor("white"), alpha=(1, 1)):
QObject.__init__(self)
self.name = name
# color is either specified as one argument (which should then be a [3,n] or [4,n] array),
# or as two QColors orstring names.
if isinstance(color0, (list, tuple)):
self._rgb = numpy.array(color0)
if self._rgb.shape[1] != 3 or self._rgb.shape[0] < 2:
raise TypeError("expected [N,3] (N>=2) array as first argument")
else:
if isinstance(color0, str):
color0 = QColor(color0)
if isinstance(color1, str):
color1 = QColor(color1)
self._rgb = numpy.array([[color0.red(), color0.green(), color0.blue()],
[color1.red(), color1.green(), color1.blue()]]) / 255.
self._rgb_arg = numpy.arange(self._rgb.shape[0]) / (self._rgb.shape[0] - 1.0)
# alpha array
self._alpha = numpy.array(alpha).astype(float)
self._alpha_arg = numpy.arange(len(alpha)) / (len(alpha) - 1.0)
# background brush
self._brush = None