Orca Robotics

00001 /*
00002  * Orca-Robotics Project: Components for robotics 
00003  *               http://orca-robotics.sf.net/
00004  * Copyright (c) 2004-2008 Alex Brooks, Alexei Makarenko, Tobias Kaupp
00005  *
00006  * This copy of Orca is licensed to you under the terms described in
00007  * the LICENSE file included in this distribution.
00008  *
00009  */
00010 
00011 #ifndef HYDRO_HYDROQGUI_STRING_TO_RANDOM_COLOR_MAP_H
00012 #define HYDRO_HYDROQGUI_STRING_TO_RANDOM_COLOR_MAP_H
00013 
00014 #include <vector>
00015 #include <QColor>
00016 #include <map>
00017 #include <hydroqgui/istringtocolormap.h>
00018 
00019 namespace hydroqgui 
00020 {
00021     // Manages a mapping from strings to random colours.
00022     // Remembers colours that have previously been assigned.
00023     // Author: Tobias Kaupp, Alex Brooks
00024     class StringToRandomColorMap : public IStringToColorMap
00025     {
00026         public:
00027             StringToRandomColorMap();
00028             ~StringToRandomColorMap() {};
00029             
00030             // gets the color for a given string, allocating a new one if necessary
00031             QColor getColor( const QString &str );
00032             
00033         private:
00034             
00035             QColor generateRandomColor();
00036 
00037             std::map<QString, QColor> colorMap_;
00038             unsigned int colorCounter_;
00039             std::vector<QColor> colorVector_;
00040 
00041         // AlexB: what's this seed gear for??
00042         // unsigned int seed_;
00043     };
00044 
00045 
00046 
00047 }
00048 
00049 #endif
stringtorandomcolormap.h
