Color.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2020 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
 
#ifndef TGUI_COLOR_HPP
#define TGUI_COLOR_HPP
 
#include <TGUI/Config.hpp>
#include <SFML/Graphics/Color.hpp>
#include <SFML/System/String.hpp>
#include <cstdint>
#include <string>
#include <map>
 
 
namespace tgui
{
    class TGUI_API Color
    {
    public:
 
        static Color calcColorOpacity(const Color& color, float alpha)
        {
            return {color.getRed(), color.getGreen(), color.getBlue(), static_cast<std::uint8_t>(color.getAlpha() * alpha)};
        }
 
 
    public:
 
        Color() :
            m_isSet{false}
        {
        }
 
 
        Color(const sf::Color& color) :
            m_isSet{true},
            m_color{color}
        {
        }
 
 
        Color(std::uint8_t red, std::uint8_t green, std::uint8_t blue, std::uint8_t alpha = 255) :
            m_isSet{true},
            m_color{red, green, blue, alpha}
        {
        }
 
 
        Color(const sf::String& string);
 
 
        Color(const std::string& string);
 
 
        Color(const char* string);
 
 
        bool isSet() const;
 
 
        operator sf::Color() const;
 
 
        std::uint8_t getRed() const;
 
 
        std::uint8_t getGreen() const;
 
 
        std::uint8_t getBlue() const;
 
 
        std::uint8_t getAlpha() const;
 
 
        bool operator==(const Color& right) const;
 
 
        bool operator!=(const Color& right) const;
 
 
        bool operator==(const sf::Color& right) const;
 
 
        bool operator!=(const sf::Color& right) const;
 
 
    public:
 
        static const Color Black;       
        static const Color White;       
        static const Color Red;         
        static const Color Green;       
        static const Color Blue;        
        static const Color Yellow;      
        static const Color Magenta;     
        static const Color Cyan;        
        static const Color Transparent; 
 
        static const std::map<std::string, Color> colorMap;
 
 
    private:
 
        bool      m_isSet;
        sf::Color m_color;
    };
 
}
 
 
#endif // TGUI_COLOR_HPP