1 /* 2 * Copyright (C) 2006-2019 Christopho, Solarus - http://www.solarus-games.org 3 * 4 * Solarus is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * Solarus is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 #ifndef SOLARUS_COLOR_H 18 #define SOLARUS_COLOR_H 19 20 #include "solarus/core/Common.h" 21 #include <cstdint> 22 23 namespace Solarus { 24 25 /** 26 * \brief Represents a color. 27 * 28 * This class simply wraps the RGBA components of a color. 29 */ 30 class SOLARUS_API Color { 31 32 public: 33 34 constexpr Color(); 35 constexpr Color(int r, int g, int b, int a = 255); 36 37 constexpr uint8_t get_alpha() const; 38 void set_alpha(uint8_t alpha); 39 void get_components(uint8_t& r, uint8_t& g, uint8_t& b, uint8_t& a) const; 40 void set_components(int r, int g, int b, int a = 255); 41 42 // Some predefined colors. 43 static const Color transparent; 44 static const Color black; 45 static const Color white; 46 static const Color red; 47 static const Color green; 48 static const Color blue; 49 static const Color yellow; 50 static const Color magenta; 51 static const Color cyan; 52 53 friend constexpr bool operator==(const Color& lhs, const Color& rhs); 54 friend constexpr bool operator!=(const Color& lhs, const Color& rhs); 55 56 uint8_t r; /**< The red component. */ 57 uint8_t g; /**< The green component. */ 58 uint8_t b; /**< The blue component. */ 59 uint8_t a; /**< The alpha (opacity) component. 255 is opaque. */ 60 }; 61 62 } 63 64 #include "solarus/graphics/Color.inl" 65 66 #endif 67 68