Add missing file color.py

src/gepetto/color.py

+#!/usr/bin/env python
+
+# Copyright (c) 2014 CNRS
+# Author: Joseph Mirabel
+#
+# This file is part of gepetto-viewer-corba.
+# gepetto-viewer-corba is free software: you can redistribute it
+# and/or modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation, either version
+# 3 of the License, or (at your option) any later version.
+#
+# gepetto-viewer-corba is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Lesser Public License for more details.  You should have
+# received a copy of the GNU Lesser General Public License along with
+# gepetto-viewer-corba.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+## Helper class 
+class Color(object):
+    # Define some RGBA-normalized color (osg convention)
+    white       = [1.0,1.0,1.0,1.0]
+    lightWhite  = [1.0,1.0,1.0,0.5]
+    green       = [0,1,0,1]
+    lightGreen  = [0,1,0,0.5]
+    yellow      = [1,1,0,1]
+    lightYellow = [1,1,0,0.5]
+    blue        = [0.0, 0.0, 1, 1.0]
+    lightBlue   = [0.0, 0.0, 1, 0.5]
+    grey        = [0.7,0.7,0.7,1.0]
+    lightGrey   = [0.7,0.7,0.7,0.7]
+    red         = [1,0.0,0.0,1.0]
+    lightRed    = [1,0.0,0.0,0.5]
+    black       = [0,0,0,1.0]
+    lightBlack  = [0,0,0,0.5]
+    brown       = [0.85,0.75,0.15,1.0]
+    lightBrown  = [0.85,0.75,0.15,1.0]
+    
+    def __init__(self):
+        self.colors = (
+                self.white       ,
+                self.lightWhite  ,
+                self.green       ,
+                self.lightGreen  ,
+                self.yellow      ,
+                self.lightYellow ,
+                self.blue        ,
+                self.lightBlue   ,
+                self.grey        ,
+                self.lightGrey   ,
+                self.red         ,
+                self.lightRed    ,
+                self.black       ,
+                self.lightBlack  ,
+                self.brown       ,
+                self.lightBrown  ,
+                )
+
+    def __getitem__ (self, i):
+        return self.colors[i]