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00001 00002 // 00003 // Thor C++ Library 00004 // Copyright (c) 2011-2015 Jan Haller 00005 // 00006 // This software is provided 'as-is', without any express or implied 00007 // warranty. In no event will the authors be held liable for any damages 00008 // arising from the use of this software. 00009 // 00010 // Permission is granted to anyone to use this software for any purpose, 00011 // including commercial applications, and to alter it and redistribute it 00012 // freely, subject to the following restrictions: 00013 // 00014 // 1. The origin of this software must not be misrepresented; you must not 00015 // claim that you wrote the original software. If you use this software 00016 // in a product, an acknowledgment in the product documentation would be 00017 // appreciated but is not required. 00018 // 00019 // 2. Altered source versions must be plainly marked as such, and must not be 00020 // misrepresented as being the original software. 00021 // 00022 // 3. This notice may not be removed or altered from any source distribution. 00023 // 00025 00028 00029 #ifndef THOR_COLORGRADIENT_HPP 00030 #define THOR_COLORGRADIENT_HPP 00031 00032 #include <Thor/Config.hpp> 00033 00034 #include <SFML/Graphics/Color.hpp> 00035 00036 #include <map> 00037 00038 00039 namespace thor 00040 { 00041 00044 00049 class THOR_API ColorGradient 00050 { 00051 // --------------------------------------------------------------------------------------------------------------------------- 00052 // Public member functions 00053 public: 00057 ColorGradient(); 00058 00071 sf::Color& operator[] (float position); 00072 00076 sf::Color sampleColor(float position) const; 00077 00078 00079 // --------------------------------------------------------------------------------------------------------------------------- 00080 // Private variables 00081 private: 00082 std::map<float, sf::Color> mColors; 00083 }; 00084 00092 sf::Color THOR_API blendColors(const sf::Color& firstColor, const sf::Color& secondColor, float interpolation); 00093 00094 00096 00097 } // namespace thor 00098 00099 #endif // THOR_COLORGRADIENT_HPP