00001 # Software License Agreement (BSD License) 00002 # 00003 # Copyright (c) 2011, UC Regents 00004 # All rights reserved. 00005 # 00006 # Redistribution and use in source and binary forms, with or without 00007 # modification, are permitted provided that the following conditions 00008 # are met: 00009 # 00010 # * Redistributions of source code must retain the above copyright 00011 # notice, this list of conditions and the following disclaimer. 00012 # * Redistributions in binary form must reproduce the above 00013 # copyright notice, this list of conditions and the following 00014 # disclaimer in the documentation and/or other materials provided 00015 # with the distribution. 00016 # * Neither the name of the University of California nor the names of its 00017 # contributors may be used to endorse or promote products derived 00018 # from this software without specific prior written permission. 00019 # 00020 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00024 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00027 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00030 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 # POSSIBILITY OF SUCH DAMAGE. 00032 00033 00034 def Alpha(x): 00035 """ 00036 Just to enable stuff like: 00037 color = Colors.BLUE + Alpha(0.5) 00038 """ 00039 return (x,) 00040 00041 class Colors(object): 00042 WHITE = (1,1,1) 00043 BLACK = (0,0,0) 00044 DARK_GREY = (0.1,0.1,0.1) 00045 RED = (1,0,0) 00046 GREEN = (0,1,0) 00047 BLUE = (0,0,1) 00048 YELLOW = (1,1,0) 00049 CYAN = (0,1,1) 00050 MAGENTA = (1,0,1) 00051 00052 class Alphas(object): 00053 OPAQUE = (1,) 00054 00055 class OpaqueColors(object): 00056 WHITE = Colors.WHITE + Alphas.OPAQUE 00057 00058 def set_color(rgba_obj, color_to_set): 00059 rgba_obj.r, rgba_obj.g, rgba_obj.b, rgba_obj.a = color_to_set 00060