Color.h

/*
 * Gamedev Framework (gf)
 * Copyright (C) 2016-2018 Julien Bernard
 *
 * 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 GF_COLOR_H
#define GF_COLOR_H

#include "Portability.h"
#include "Vector.h"

namespace gf {
#ifndef DOXYGEN_SHOULD_SKIP_THIS
inline namespace v1 {
#endif

  struct GF_API Color {
    Color() = delete;

    static constexpr Color4f Black{0.0f, 0.0f, 0.0f, 1.0f};

    static constexpr Color4f White{1.0f, 1.0f, 1.0f, 1.0f};

    static constexpr Color4f Red{1.0f, 0.0f, 0.0f, 1.0f};

    static constexpr Color4f Green{0.0f, 1.0f, 0.0f, 1.0f};

    static constexpr Color4f Blue{0.0f, 0.0f, 1.0f, 1.0f};

    static constexpr Color4f Cyan{0.0f, 1.0f, 1.0f, 1.0f};

    static constexpr Color4f Magenta{1.0f, 0.0f, 1.0f, 1.0f};

    static constexpr Color4f Yellow{1.0f, 1.0f, 0.0f, 1.0f};

    static constexpr Color4f Transparent{0.0f, 0.0f, 0.0f, 0.0f};

    static constexpr Color4f Opaque(float value = 0.5f) {
      return { 1.0f, 1.0f, 1.0f, value };
    }

    static constexpr Color4f Gray(float value = 0.5f) {
      return { value, value, value, 1.0f };
    }

    static constexpr Color4f Orange{1.0f, 0.5f, 0.0f, 1.0f};

    static constexpr Color4f Rose{1.0f, 0.0f, 0.5f, 1.0f};

    static constexpr Color4f Chartreuse{0.5f, 1.0f, 0.0f, 1.0f};

    static constexpr Color4f Spring{0.0f, 1.0f, 0.5f, 1.0f};

    static constexpr Color4f Violet{0.5f, 0.0f, 1.0f, 1.0f};

    static constexpr Color4f Azure{0.0f, 0.5f, 1.0f, 1.0f};


    static Color4f lighter(Color4f color, float percent = 0.5f);

    static Color4f darker(Color4f color, float percent = 0.5f);

    static Color4f fromRgbF(float r, float g, float b) {
      return Color4f(r, g, b, 1.0f);
    }

    static Color4f fromRgba32(uint8_t r, uint8_t g, uint8_t b, uint8_t a = 255);

    static Color4f fromRgba32(uint32_t color);

    static Color4f fromRgba32(Color4u color);

    static Color4u toRgba32(Color4f color);

  };

#ifndef DOXYGEN_SHOULD_SKIP_THIS
}
#endif
}

#endif // GF_COLOR_H