def getcolormap(**kwargs):
colors = kwargs.pop('colors', None)
issingle = False
if colors is None:
colors = kwargs.pop('color', None)
issingle = True
if not colors is None:
if issingle or isinstance(colors, str):
c = getcolor(colors)
cmap = ColorMap(c)
else:
cs = []
for cc in colors:
c = getcolor(cc)
cs.append(c)
cmap = ColorMap(cs)
else:
cmapstr = kwargs.pop('cmap', 'matlab_jet')
if cmapstr is None:
cmapstr = 'matlab_jet'
alpha = kwargs.pop('alpha', None)
if alpha is None:
cmap = ColorUtil.getColorMap(cmapstr)
else:
alpha = (int)(alpha * 255)
cmap = ColorUtil.getColorMap(cmapstr, alpha)
reverse = kwargs.pop('cmapreverse', False)
if reverse:
cmap.reverse()
return cmap
def makecolors(n, cmap='matlab_jet', reverse=False, alpha=None):
'''
Make colors.
:param n: (*int*) Colors number.
:param cmap: (*string*) Color map name. Default is ``matlab_jet``.
:param reverse: (*boolean*) Reverse the colors or not. Default is ``False``.
:param alpha: (*float*) Alpha value (0 - 1) of the colors. Defaul is ``None``.
:returns: (*list*) Created colors.
'''
if isinstance(n, list):
cols = getcolors(n, alpha)
else:
ocmap = ColorUtil.getColorMap(cmap)
if reverse:
ocmap.reverse()
if alpha is None:
cols = ocmap.getColorList(n)
else:
alpha = (int)(alpha * 255)
cols = ocmap.getColorList(n, alpha)
return list(cols)