#pragma region License
/*
License (OLC-3)
~~~~~~~~~~~~~~~

Copyright 2018 - 2024 OneLoneCoder.com

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

1. Redistributions or derivations of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.

2. Redistributions or derivative works in binary form must reproduce the above
copyright notice. This list of conditions and the following	disclaimer must be
reproduced in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may
be used to endorse or promote products derived from this software without specific
prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS	"AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL THE COPYRIGHT	HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL,	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.

Portions of this software are copyright © 2024 The FreeType
Project (www.freetype.org). Please see LICENSE_FT.txt for more information.
All rights reserved.

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~~~~~
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Community:  https://community.onelonecoder.com
*/
#pragma endregion
#pragma once
#include <cstdint>

// O------------------------------------------------------------------------------O
// | olc::Pixel IMPLEMENTATION                                                    |
// O------------------------------------------------------------------------------O
// O------------------------------------------------------------------------------O
// | olc::Pixel - Represents a 32-Bit RGBA colour                                 |
// O------------------------------------------------------------------------------O
namespace olc{
	constexpr inline uint8_t  nDefaultAlpha = 0xFF;
	constexpr inline uint32_t nDefaultPixel = (nDefaultAlpha << 24);
	#if !defined(OLC_IGNORE_PIXEL)
	struct Pixel
	{
		union
		{
			uint32_t n = nDefaultPixel;
			struct { uint8_t r; uint8_t g; uint8_t b; uint8_t a; };
		};

		enum Mode { NORMAL, MASK, ALPHA, CUSTOM };

		Pixel();
		Pixel(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha = nDefaultAlpha);
		//Hex Implicit Constructor!! ALPHA IS ASSUMED TO BE 255! If you need access to modifying the raw value, use PixelRaw()
		Pixel(uint32_t hex);
		Pixel& operator = (const Pixel& v) = default;
		bool   operator ==(const Pixel& p) const;
		bool   operator !=(const Pixel& p) const;
		Pixel  operator * (const float i) const;
		Pixel  operator / (const float i) const;
		Pixel& operator *=(const float i);
		Pixel& operator /=(const float i);
		Pixel  operator + (const Pixel& p) const;
		Pixel  operator - (const Pixel& p) const;
		Pixel& operator +=(const Pixel& p);
		Pixel& operator -=(const Pixel& p);
		Pixel  operator * (const Pixel& p) const;
		Pixel& operator *=(const Pixel& p);
		bool operator < (const Pixel& p)const;
		Pixel  inv() const;
	};

	Pixel PixelF(float red, float green, float blue, float alpha = 1.0f);
	Pixel PixelLerp(const olc::Pixel& p1, const olc::Pixel& p2, float t);
	Pixel PixelRaw(uint32_t n);


	// O------------------------------------------------------------------------------O
	// | USEFUL CONSTANTS                                                             |
	// O------------------------------------------------------------------------------O
	static const Pixel
		GREY(192, 192, 192), DARK_GREY(128, 128, 128), VERY_DARK_GREY(64, 64, 64),
		RED(255, 0, 0), DARK_RED(128, 0, 0), VERY_DARK_RED(64, 0, 0),
		YELLOW(255, 255, 0), DARK_YELLOW(128, 128, 0), VERY_DARK_YELLOW(64, 64, 0),
		GREEN(0, 255, 0), DARK_GREEN(0, 128, 0), VERY_DARK_GREEN(0, 64, 0),
		CYAN(0, 255, 255), DARK_CYAN(0, 128, 128), VERY_DARK_CYAN(0, 64, 64),
		BLUE(0, 0, 255), DARK_BLUE(0, 0, 128), VERY_DARK_BLUE(0, 0, 64),
		MAGENTA(255, 0, 255), DARK_MAGENTA(128, 0, 128), VERY_DARK_MAGENTA(64, 0, 64),
		WHITE(255, 255, 255), BLACK(0, 0, 0), BLANK(0, 0, 0, 0);
	#endif
}