colors.py
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00001 # Copyright (c) 2011, Dirk Thomas, TU Darmstadt
00002 # All rights reserved.
00003 #
00004 # Redistribution and use in source and binary forms, with or without
00005 # modification, are permitted provided that the following conditions
00006 # are met:
00007 #
00008 #   * Redistributions of source code must retain the above copyright
00009 #     notice, this list of conditions and the following disclaimer.
00010 #   * Redistributions in binary form must reproduce the above
00011 #     copyright notice, this list of conditions and the following
00012 #     disclaimer in the documentation and/or other materials provided
00013 #     with the distribution.
00014 #   * Neither the name of the TU Darmstadt nor the names of its
00015 #     contributors may be used to endorse or promote products derived
00016 #     from this software without specific prior written permission.
00017 #
00018 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00019 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00020 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00021 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
00022 # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00023 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00024 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00025 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00026 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00027 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
00028 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00029 # POSSIBILITY OF SUCH DAMAGE.
00030 import colorsys
00031 
00032 
00033 def get_color_for_string(name):
00034     hue = float(name.__hash__() % 0xFFFFFFFFFFFF) / 0xFFFFFFFFFFFF
00035     # choose colors with high saturation and value
00036     (r, g, b) = colorsys.hsv_to_rgb(hue, 1, 0.8)
00037     # convert floats into hexadecimal
00038     (r, g, b) = (int(r * 0xFF), int(g * 0xFF), int(b * 0xFF))
00039     # build a hex string like #a3bbc0
00040     code = '#%s%s%s' % (hex(r)[-2:], hex(g)[-2:], hex(b)[-2:])
00041     # single digit hexes yield 'x4''
00042     return code.replace('x', '0')


qt_dotgraph
Author(s): Thibault Kruse
autogenerated on Mon Oct 6 2014 03:57:59