flirtlib: Color.h Source File

00001 /*****************************************************************
00002  *
00003  * This file is part of the FLIRTLib project
00004  *
00005  * FLIRTLib Copyright (c) 2010 Gian Diego Tipaldi and Kai O. Arras 
00006  *
00007  * This software is licensed under the "Creative Commons 
00008  * License (Attribution-NonCommercial-ShareAlike 3.0)" 
00009  * and is copyrighted by Gian Diego Tipaldi and Kai O. Arras 
00010  * 
00011  * Further information on this license can be found at:
00012  * http://creativecommons.org/licenses/by-nc-sa/3.0/
00013  * 
00014  * FLIRTLib is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied 
00016  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00017  * PURPOSE.  
00018  *
00019  *****************************************************************/
00020 
00021 
00022 
00023 #ifndef COLOR_H_
00024 #define COLOR_H_
00025 
00026 #include <iostream>
00027 
00028 class Color{
00029     public:
00030         Color(float r, float g, float b, float a = 1.f);
00031         
00032         inline float& red() {return m_red;}
00033         inline float& green() {return m_green;}
00034         inline float& blue() {return m_blue;}
00035         inline float& alpha() {return m_alpha;}
00036 
00037         inline float red() const{return m_red;}
00038         inline float green() const{return m_green;}
00039         inline float blue() const{return m_blue;}
00040         inline float alpha() const{return m_alpha;}
00041     protected:
00042         float m_red, m_green, m_blue, m_alpha;
00043 };
00044 
00045 class HSLColor{
00046     public:
00047         HSLColor(float h, float s, float l, float a = 1.f);
00048         
00049         inline float& hue() {return m_hue;}
00050         inline float& saturation() {return m_saturation;}
00051         inline float& lightness() {return m_lightness;}
00052         inline float& alpha() {return m_alpha;}
00053 
00054         inline float hue() const {return m_hue;}
00055         inline float saturation() const {return m_saturation;}
00056         inline float lightness() const {return m_lightness;}
00057         inline float alpha() const {return m_alpha;}
00058         
00059         void fromColor(const Color& color);
00060         Color toColor() const;
00061         
00062     protected:
00063         float m_hue, m_saturation, m_lightness, m_alpha;
00064 };
00065 
00066 HSLColor RGB2HSL(const Color& color);
00067 
00068 Color HSL2RGB(const HSLColor& color);
00069 
00070 std::ostream& operator<< (std::ostream& out, const Color& color);
00071 std::ostream& operator<< (std::ostream& out, const HSLColor& color);
00072 
00073 #endif