def _rgbFind(self, color):
"see if it matches any existing color in my list"
C = self.cmykColors
if isinstance(color, (list, tuple)):
if len(color) == 3: color = Color(color[0], color[1], color[2])
elif len(color) == 4:
color = CMYKColor(color[0], color[1], color[2], color[3])
else:
raise ValueError("bad color %s" % repr(color))
isCMYK = isinstance(color, CMYKColor)
if not isCMYK:
if isinstance(color, str):
color = toColor(color)
if colorDistance(color, black) < 1e-8:
isCMYK = 1
color = PCMYKColor(0, 0, 0, 100, 100)
elif colorDistance(color, white) < 1e-8:
isCMYK = 1
color = PCMYKColor(0, 0, 0, 0, 100)
rgb = color.red, color.green, color.blue
if isCMYK:
if color not in C: C.append(color)
return self._setCMYKColor(color)
else:
for c in C:
if (c.red, c.green, c.blue) == rgb:
return self._setCMYKColor(c)
return '%s setrgbcolor' % fp_str(rgb)
def _rgbFind(self,color):
"see if it matches any existing color in my list"
C = self.cmykColors
if isinstance(color,(list,tuple)):
if len(color)==3: color = Color(color[0],color[1],color[2])
elif len(color)==4: color = CMYKColor(color[0],color[1],color[2],color[3])
else: raise ValueError("bad color %s"%repr(color))
isCMYK = isinstance(color, CMYKColor)
if not isCMYK:
if isinstance(color,str):
color = toColor(color)
if colorDistance(color,black)<1e-8:
isCMYK = 1
color = PCMYKColor(0,0,0,100,100)
elif colorDistance(color,white)<1e-8:
isCMYK = 1
color = PCMYKColor(0,0,0,0,100)
rgb = color.red, color.green, color.blue
if isCMYK:
if color not in C: C.append(color)
return self._setCMYKColor(color)
else:
for c in C:
if (c.red, c.green, c.blue) == rgb:
return self._setCMYKColor(c)
return '%s setrgbcolor' % fp_str(rgb)
def test1(self):
"Test colorDistance function."
cols = list(colors.getAllNamedColors().values())
for col in cols:
d = colors.colorDistance(col, col)
assert d == 0
def test1(self):
"Test colorDistance function."
cols = colors.getAllNamedColors().values()
for col in cols:
d = colors.colorDistance(col, col)
assert d == 0
def getLinkColor():
color1 = getColor1()
distance = colors.colorDistance(color1, colors.white) / sqrt(3)
return colors.Blacker(color1, distance)