from matplotlib.enthought.traits import Trait, TraitError
from matplotlib.enthought.traits.trait_base import SequenceTypes
from matplotlib.enthought.traits.ui import RGBColorEditor
def range_check ( value ):
value = float( value )
if 0.0 <= value <= 1.0:
return value
raise TraitError
def convert_to_color ( object, name, value ):
if (type( value ) in SequenceTypes) and (len( value ) == 3):
return ( range_check( value[0] ),
range_check( value[1] ),
range_check( value[2] ) )
if type( value ) is int:
num = int( value )
return ( (num / 0x10000) / 255.0
((num / 0x100) & 0xFF) / 255.0,
(num & 0xFF) / 255.0 )
raise TraitError
convert_to_color.info = ('a tuple of the form (r,g,b), where r, g, and b '
'are floats in the range from 0.0 to 1.0, or an integer which in hex is of '
'the form 0xRRGGBB, where RR is red, GG is green, and BB is blue')
rgb_standard_colors = {
'aquamarine': ( 0.439216, 0.858824, 0.576471 ),
'black': ( 0.0, 0.0, 0.0 ),
'blue': ( 0.0, 0.0, 1.0 ),
'blue violet': ( 0.623529, 0.372549, 0.623529 ),
'brown': ( 0.647059, 0.164706, 0.164706 ),
'cadet blue': ( 0.372549, 0.623529, 0.623529 ),
'coral': ( 1.0, 0.498039, 0.0 ),
'cornflower blue': ( 0.258824, 0.258824, 0.435294 ),
'cyan': ( 0.0, 1.0, 1.0 ),
'dark grey': ( 0.184314, 0.184314, 0.184314 ),
'dark green': ( 0.184314, 0.309804, 0.184314 ),
'dark olive green': ( 0.309804, 0.309804, 0.184314 ),
'dark orchid': ( 0.6, 0.196078, 0.8 ),
'dark slate blue': ( 0.419608, 0.137255, 0.556863 ),
'dark slate grey': ( 0.184314, 0.309804, 0.309804 ),
'dark turquoise': ( 0.439216, 0.576471, 0.858824 ),
'dim grey': ( 0.329412, 0.329412, 0.329412 ),
'firebrick': ( 0.556863, 0.137255, 0.137255 ),
'forest green': ( 0.137255, 0.556863, 0.137255 ),
'gold': ( 0.8, 0.498039, 0.196078 ),
'goldenrod': ( 0.858824, 0.858824, 0.439216 ),
'grey': ( 0.501961, 0.501961, 0.501961 ),
'green': ( 0.0, 1.0, 0.0 ),
'green yellow': ( 0.576471, 0.858824, 0.439216 ),
'indian red': ( 0.309804, 0.184314, 0.184314 ),
'khaki': ( 0.623529, 0.623529, 0.372549 ),
'light blue': ( 0.74902, 0.847059, 0.847059 ),
'light grey': ( 0.752941, 0.752941, 0.752941 ),
'light steel': ( 0.0, 0.0, 0.0 ),
'blue': ( 0.0, 0.0, 1.0 ),
'lime green': ( 0.196078, 0.8, 0.196078 ),
'magenta': ( 1.0, 0.0, 1.0 ),
'maroon': ( 0.556863, 0.137255, 0.419608 ),
'medium aquamarine': ( 0.196078, 0.8, 0.6 ),
'medium blue': ( 0.196078, 0.196078, 0.8 ),
'medium forest green': ( 0.419608, 0.556863, 0.137255 ),
'medium goldenrod': ( 0.917647, 0.917647, 0.678431 ),
'medium orchid': ( 0.576471, 0.439216, 0.858824 ),
'medium sea green': ( 0.258824, 0.435294, 0.258824 ),
'medium slate blue': ( 0.498039, 0.0, 1.0 ),
'medium spring green': ( 0.498039, 1.0, 0.0 ),
'medium turquoise': ( 0.439216, 0.858824, 0.858824 ),
'medium violet red': ( 0.858824, 0.439216, 0.576471 ),
'midnight blue': ( 0.184314, 0.184314, 0.309804 ),
'navy': ( 0.137255, 0.137255, 0.556863 ),
'orange': ( 0.8, 0.196078, 0.196078 ),
'orange red': ( 1.0, 0.0, 0.498039 ),
'orchid': ( 0.858824, 0.439216, 0.858824 ),
'pale green': ( 0.560784, 0.737255, 0.560784 ),
'pink': ( 0.737255, 0.560784, 0.917647 ),
'plum': ( 0.917647, 0.678431, 0.917647 ),
'purple': ( 0.690196, 0.0, 1.0 ),
'red': ( 1.0, 0.0, 0.0 ),
'salmon': ( 0.435294, 0.258824, 0.258824 ),
'sea green': ( 0.137255, 0.556863, 0.419608 ),
'sienna': ( 0.556863, 0.419608, 0.137255 ),
'sky blue': ( 0.196078, 0.6, 0.8 ),
'slate blue': ( 0.0, 0.498039, 1.0 ),
'spring green': ( 0.0, 1.0, 0.498039 ),
'steel blue': ( 0.137255, 0.419608, 0.556863 ),
'tan': ( 0.858824, 0.576471, 0.439216 ),
'thistle': ( 0.847059, 0.74902, 0.847059 ),
'turquoise': ( 0.678431, 0.917647, 0.917647 ),
'violet': ( 0.309804, 0.184314, 0.309804 ),
'violet red': ( 0.8, 0.196078, 0.6 ),
'wheat': ( 0.847059, 0.847059, 0.74902 ),
'white': ( 1.0, 1.0, 1.0 ),
'yellow': ( 1.0, 1.0, 0.0 ),
'yellow green': ( 0.6, 0.8, 0.196078 )
}
RGBColor = Trait( 'white', convert_to_color, rgb_standard_colors,
editor = RGBColorEditor )