1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /*************************************************************************** 3 * colour.h 4 * 5 * Fri Oct 14 09:38:28 CEST 2011 6 * Copyright 2011 Bent Bisballe Nyeng 7 * deva@aasimon.org 8 ****************************************************************************/ 9 10 /* 11 * This file is part of DrumGizmo. 12 * 13 * DrumGizmo is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU Lesser General Public License as published by 15 * the Free Software Foundation; either version 3 of the License, or 16 * (at your option) any later version. 17 * 18 * DrumGizmo is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU Lesser General Public License for more details. 22 * 23 * You should have received a copy of the GNU Lesser General Public License 24 * along with DrumGizmo; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 26 */ 27 #pragma once 28 29 #include <array> 30 #include <cstdint> 31 32 namespace GUI 33 { 34 35 class Colour 36 { 37 public: 38 Colour(); 39 Colour(float grey, float alpha = 1.0f); 40 Colour(float red, float green, float blue, float alpha = 1.0f); 41 Colour(std::uint8_t r, std::uint8_t g, std::uint8_t b, std::uint8_t a); 42 Colour(const Colour& other); 43 44 Colour& operator=(const Colour& other); 45 46 bool operator==(const Colour& other) const; 47 bool operator!=(const Colour& other) const; 48 red()49 inline std::uint8_t red() const { return pixel[0]; } green()50 inline std::uint8_t green() const { return pixel[1]; } blue()51 inline std::uint8_t blue() const { return pixel[2]; } alpha()52 inline std::uint8_t alpha() const { return pixel[3]; } 53 data()54 std::uint8_t* data() { return pixel.data(); } data()55 const std::uint8_t* data() const { return pixel.data(); } 56 57 private: 58 std::array<std::uint8_t, 4> pixel{{255, 255, 255, 255}}; 59 }; 60 61 } // GUI:: 62