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# -*- coding: ISO-8859-1 -*-
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# Copyright (C) 2002-2004 J�rg Lehmann <joergl@users.sourceforge.net>
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# Copyright (C) 2003-2004 Michael Schindler <m-schindler@users.sourceforge.net>
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# Copyright (C) 2002-2004 Andr� Wobst <wobsta@users.sourceforge.net>
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# This file is part of PyX (http://pyx.sourceforge.net/).
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# PyX is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# PyX is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with PyX; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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class color(attr.exclusiveattr, style.strokestyle, style.fillstyle):
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"""base class for all colors"""
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attr.exclusiveattr.__init__(self, color)
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clear = attr.clearclass(color)
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def __init__(self, gray):
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if gray<0 or gray>1: raise ValueError
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self.color = {"gray": gray}
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def outputPS(self, file):
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file.write("%(gray)g setgray\n" % self.color)
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def outputPDF(self, file, strokeattr=1, fillattr=1):
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file.write("%(gray)f G\n" % self.color)
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file.write("%(gray)f g\n" % self.color)
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grey.black = grey(0.0)
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grey.white = grey(1.0)
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def __init__(self, r=0.0, g=0.0, b=0.0):
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if r<0 or r>1 or g<0 or g>1 or b<0 or b>1: raise ValueError
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self.color = {"r": r, "g": g, "b": b}
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def outputPS(self, file):
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file.write("%(r)g %(g)g %(b)g setrgbcolor\n" % self.color)
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def outputPDF(self, file, strokeattr=1, fillattr=1):
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file.write("%(r)f %(g)f %(b)f RG\n" % self.color)
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file.write("%(r)f %(g)f %(b)f rg\n" % self.color)
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rgb.red = rgb(1 ,0, 0)
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rgb.green = rgb(0 ,1, 0)
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rgb.blue = rgb(0 ,0, 1)
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rgb.white = rgb(1 ,1, 1)
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rgb.black = rgb(0 ,0, 0)
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def __init__(self, h=0.0, s=0.0, b=0.0):
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if h<0 or h>1 or s<0 or s>1 or b<0 or b>1: raise ValueError
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self.color = {"h": h, "s": s, "b": b}
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def outputPS(self, file):
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file.write("%(h)g %(s)g %(b)g sethsbcolor\n" % self.color)
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def outputPDF(self, file, strokeattr=1, fillattr=1):
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r, g, b = colorsys.hsv_to_rgb(self.color["h"], self.color["s"], self.color["b"])
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rgb(r, g, b).outputPDF(file, strokeattr=strokeattr, fillattr=fillattr)
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def __init__(self, c=0.0, m=0.0, y=0.0, k=0.0):
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if c<0 or c>1 or m<0 or m>1 or y<0 or y>1 or k<0 or k>1: raise ValueError
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self.color = {"c": c, "m": m, "y": y, "k": k}
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def outputPS(self, file):
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file.write("%(c)g %(m)g %(y)g %(k)g setcmykcolor\n" % self.color)
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def outputPDF(self, file, strokeattr=1, fillattr=1):
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file.write("%(c)f %(m)f %(y)f %(k)f K\n" % self.color)
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file.write("%(c)f %(m)f %(y)f %(k)f k\n" % self.color)
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cmyk.GreenYellow = cmyk(0.15, 0, 0.69, 0)
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cmyk.Yellow = cmyk(0, 0, 1, 0)
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cmyk.Goldenrod = cmyk(0, 0.10, 0.84, 0)
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cmyk.Dandelion = cmyk(0, 0.29, 0.84, 0)
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cmyk.Apricot = cmyk(0, 0.32, 0.52, 0)
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cmyk.Peach = cmyk(0, 0.50, 0.70, 0)
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cmyk.Melon = cmyk(0, 0.46, 0.50, 0)
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cmyk.YellowOrange = cmyk(0, 0.42, 1, 0)
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cmyk.Orange = cmyk(0, 0.61, 0.87, 0)
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cmyk.BurntOrange = cmyk(0, 0.51, 1, 0)
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cmyk.Bittersweet = cmyk(0, 0.75, 1, 0.24)
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cmyk.RedOrange = cmyk(0, 0.77, 0.87, 0)
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cmyk.Mahogany = cmyk(0, 0.85, 0.87, 0.35)
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cmyk.Maroon = cmyk(0, 0.87, 0.68, 0.32)
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cmyk.BrickRed = cmyk(0, 0.89, 0.94, 0.28)
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cmyk.Red = cmyk(0, 1, 1, 0)
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cmyk.OrangeRed = cmyk(0, 1, 0.50, 0)
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cmyk.RubineRed = cmyk(0, 1, 0.13, 0)
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cmyk.WildStrawberry = cmyk(0, 0.96, 0.39, 0)
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cmyk.Salmon = cmyk(0, 0.53, 0.38, 0)
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cmyk.CarnationPink = cmyk(0, 0.63, 0, 0)
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cmyk.Magenta = cmyk(0, 1, 0, 0)
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cmyk.VioletRed = cmyk(0, 0.81, 0, 0)
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cmyk.Rhodamine = cmyk(0, 0.82, 0, 0)
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cmyk.Mulberry = cmyk(0.34, 0.90, 0, 0.02)
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cmyk.RedViolet = cmyk(0.07, 0.90, 0, 0.34)
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cmyk.Fuchsia = cmyk(0.47, 0.91, 0, 0.08)
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cmyk.Lavender = cmyk(0, 0.48, 0, 0)
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cmyk.Thistle = cmyk(0.12, 0.59, 0, 0)
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cmyk.Orchid = cmyk(0.32, 0.64, 0, 0)
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cmyk.DarkOrchid = cmyk(0.40, 0.80, 0.20, 0)
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cmyk.Purple = cmyk(0.45, 0.86, 0, 0)
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cmyk.Plum = cmyk(0.50, 1, 0, 0)
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cmyk.Violet = cmyk(0.79, 0.88, 0, 0)
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cmyk.RoyalPurple = cmyk(0.75, 0.90, 0, 0)
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cmyk.BlueViolet = cmyk(0.86, 0.91, 0, 0.04)
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cmyk.Periwinkle = cmyk(0.57, 0.55, 0, 0)
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cmyk.CadetBlue = cmyk(0.62, 0.57, 0.23, 0)
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cmyk.CornflowerBlue = cmyk(0.65, 0.13, 0, 0)
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cmyk.MidnightBlue = cmyk(0.98, 0.13, 0, 0.43)
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cmyk.NavyBlue = cmyk(0.94, 0.54, 0, 0)
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cmyk.RoyalBlue = cmyk(1, 0.50, 0, 0)
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cmyk.Blue = cmyk(1, 1, 0, 0)
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cmyk.Cerulean = cmyk(0.94, 0.11, 0, 0)
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cmyk.Cyan = cmyk(1, 0, 0, 0)
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cmyk.ProcessBlue = cmyk(0.96, 0, 0, 0)
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cmyk.SkyBlue = cmyk(0.62, 0, 0.12, 0)
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cmyk.Turquoise = cmyk(0.85, 0, 0.20, 0)
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cmyk.TealBlue = cmyk(0.86, 0, 0.34, 0.02)
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cmyk.Aquamarine = cmyk(0.82, 0, 0.30, 0)
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cmyk.BlueGreen = cmyk(0.85, 0, 0.33, 0)
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cmyk.Emerald = cmyk(1, 0, 0.50, 0)
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cmyk.JungleGreen = cmyk(0.99, 0, 0.52, 0)
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cmyk.SeaGreen = cmyk(0.69, 0, 0.50, 0)
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cmyk.Green = cmyk(1, 0, 1, 0)
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cmyk.ForestGreen = cmyk(0.91, 0, 0.88, 0.12)
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cmyk.PineGreen = cmyk(0.92, 0, 0.59, 0.25)
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cmyk.LimeGreen = cmyk(0.50, 0, 1, 0)
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cmyk.YellowGreen = cmyk(0.44, 0, 0.74, 0)
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cmyk.SpringGreen = cmyk(0.26, 0, 0.76, 0)
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cmyk.OliveGreen = cmyk(0.64, 0, 0.95, 0.40)
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cmyk.RawSienna = cmyk(0, 0.72, 1, 0.45)
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cmyk.Sepia = cmyk(0, 0.83, 1, 0.70)
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cmyk.Brown = cmyk(0, 0.81, 1, 0.60)
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cmyk.Tan = cmyk(0.14, 0.42, 0.56, 0)
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cmyk.Gray = cmyk(0, 0, 0, 0.50)
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cmyk.Grey = cmyk.Gray
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cmyk.Black = cmyk(0, 0, 0, 1)
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cmyk.White = cmyk(0, 0, 0, 0)
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cmyk.white = cmyk.White
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cmyk.black = cmyk.Black
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class palette(color, attr.changeattr):
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"""palette is a collection of two colors for calculating transitions between them"""
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def __init__(self, mincolor, maxcolor, min=0, max=1):
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if mincolor.__class__ != maxcolor.__class__:
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self.colorclass = mincolor.__class__
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self.mincolor = mincolor
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self.maxcolor = maxcolor
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def getcolor(self, index):
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for key in self.mincolor.color.keys():
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color[key] = ((index - self.min) * self.maxcolor.color[key] +
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(self.max - index) * self.mincolor.color[key]) / float(self.max - self.min)
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return self.colorclass(**color)
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def select(self, index, total):
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return self.getcolor(index/(total-1.0))
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def outputPS(self, file):
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self.getcolor(0).outputPS(file)
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def outputPDF(self, file):
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self.getcolor(0).outputPDF(file)
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palette.Gray = palette(gray.white, gray.black)
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palette.Grey = palette.Gray
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palette.ReverseGray = palette(gray.black, gray.white)
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palette.ReverseGrey = palette.ReverseGray
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palette.RedGreen = palette(rgb.red, rgb.green)
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palette.RedBlue = palette(rgb.red, rgb.blue)
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palette.GreenRed = palette(rgb.green, rgb.red)
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palette.GreenBlue = palette(rgb.green, rgb.blue)
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palette.BlueRed = palette(rgb.blue, rgb.red)
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palette.BlueGreen = palette(rgb.blue, rgb.green)
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palette.RedBlack = palette(rgb.red, rgb.black)
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palette.BlackRed = palette(rgb.black, rgb.red)
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palette.RedWhite = palette(rgb.red, rgb.white)
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palette.WhiteRed = palette(rgb.white, rgb.red)
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palette.GreenBlack = palette(rgb.green, rgb.black)
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palette.BlackGreen = palette(rgb.black, rgb.green)
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palette.GreenWhite = palette(rgb.green, rgb.white)
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palette.WhiteGreen = palette(rgb.white, rgb.green)
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palette.BlueBlack = palette(rgb.blue, rgb.black)
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palette.BlackBlue = palette(rgb.black, rgb.blue)
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palette.BlueWhite = palette(rgb.blue, rgb.white)
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palette.WhiteBlue = palette(rgb.white, rgb.blue)
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palette.Rainbow = palette(hsb(0, 1, 1), hsb(2.0/3.0, 1, 1))
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palette.ReverseRainbow = palette(hsb(2.0/3.0, 1, 1), hsb(0, 1, 1))
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palette.Hue = palette(hsb(0, 1, 1), hsb(1, 1, 1))
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palette.ReverseHue = palette(hsb(1, 1, 1), hsb(0, 1, 1))
added
removed
pyx/color.py
