#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.

Links
~~~~~
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Patreon:	https://www.patreon.com/javidx9
Community:  https://community.onelonecoder.com
*/
#pragma endregion

#include "Pixel.h"
#include <utility>
#include <algorithm>

namespace olc{
	// O------------------------------------------------------------------------------O
	// | olc::Pixel IMPLEMENTATION                                                    |
	// O------------------------------------------------------------------------------O
	#if !defined(OLC_IGNORE_PIXEL)
	Pixel::Pixel()
	{ r = 0; g = 0; b = 0; a = nDefaultAlpha; }

	Pixel::Pixel(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha)
	{ n = red | (green << 8) | (blue << 16) | (alpha << 24); } // Thanks jarekpelczar 

	Pixel::Pixel(uint32_t p)
	{ n = p; }

	bool Pixel::operator==(const Pixel& p) const
	{ return n == p.n; }

	bool Pixel::operator!=(const Pixel& p) const
	{ return n != p.n; }

	Pixel  Pixel::operator * (const float i) const
	{
		float fR = std::min(255.0f, std::max(0.0f, float(r) * i));
		float fG = std::min(255.0f, std::max(0.0f, float(g) * i));
		float fB = std::min(255.0f, std::max(0.0f, float(b) * i));
		return Pixel(uint8_t(fR), uint8_t(fG), uint8_t(fB), a);
	}

	Pixel  Pixel::operator / (const float i) const
	{
		float fR = std::min(255.0f, std::max(0.0f, float(r) / i));
		float fG = std::min(255.0f, std::max(0.0f, float(g) / i));
		float fB = std::min(255.0f, std::max(0.0f, float(b) / i));
		return Pixel(uint8_t(fR), uint8_t(fG), uint8_t(fB), a);
	}

	Pixel& Pixel::operator *=(const float i)
	{
		this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * i)));
		this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * i)));
		this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * i)));
		return *this;
	}

	Pixel& Pixel::operator /=(const float i)
	{
		this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) / i)));
		this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) / i)));
		this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) / i)));
		return *this;
	}

	Pixel  Pixel::operator + (const Pixel& p) const
	{
		uint8_t nR = uint8_t(std::min(255, std::max(0, int(r) + int(p.r))));
		uint8_t nG = uint8_t(std::min(255, std::max(0, int(g) + int(p.g))));
		uint8_t nB = uint8_t(std::min(255, std::max(0, int(b) + int(p.b))));
		return Pixel(nR, nG, nB, a);
	}

	Pixel  Pixel::operator - (const Pixel& p) const
	{
		uint8_t nR = uint8_t(std::min(255, std::max(0, int(r) - int(p.r))));
		uint8_t nG = uint8_t(std::min(255, std::max(0, int(g) - int(p.g))));
		uint8_t nB = uint8_t(std::min(255, std::max(0, int(b) - int(p.b))));
		return Pixel(nR, nG, nB, a);
	}

	Pixel& Pixel::operator += (const Pixel& p)
	{
		this->r = uint8_t(std::min(255, std::max(0, int(r) + int(p.r))));
		this->g = uint8_t(std::min(255, std::max(0, int(g) + int(p.g))));
		this->b = uint8_t(std::min(255, std::max(0, int(b) + int(p.b))));
		return *this;
	}

	Pixel& Pixel::operator -= (const Pixel& p) // Thanks Au Lit
	{
		this->r = uint8_t(std::min(255, std::max(0, int(r) - int(p.r))));
		this->g = uint8_t(std::min(255, std::max(0, int(g) - int(p.g))));
		this->b = uint8_t(std::min(255, std::max(0, int(b) - int(p.b))));
		return *this;
	}

	Pixel Pixel::operator * (const Pixel& p) const
	{
		uint8_t nR = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * float(p.r) / 255.0f)));
		uint8_t nG = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * float(p.g) / 255.0f)));
		uint8_t nB = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * float(p.b) / 255.0f)));
		uint8_t nA = uint8_t(std::min(255.0f, std::max(0.0f, float(a) * float(p.a) / 255.0f)));
		return Pixel(nR, nG, nB, nA);
	}

	Pixel& Pixel::operator *=(const Pixel& p)
	{
		this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * float(p.r) / 255.0f)));
		this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * float(p.g) / 255.0f)));
		this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * float(p.b) / 255.0f)));
		this->a = uint8_t(std::min(255.0f, std::max(0.0f, float(a) * float(p.a) / 255.0f)));
		return *this;
	}

	Pixel Pixel::inv() const
	{
		uint8_t nR = uint8_t(std::min(255, std::max(0, 255 - int(r))));
		uint8_t nG = uint8_t(std::min(255, std::max(0, 255 - int(g))));
		uint8_t nB = uint8_t(std::min(255, std::max(0, 255 - int(b))));
		return Pixel(nR, nG, nB, a);
	}

	Pixel PixelF(float red, float green, float blue, float alpha)
	{ return Pixel(uint8_t(red * 255.0f), uint8_t(green * 255.0f), uint8_t(blue * 255.0f), uint8_t(alpha * 255.0f)); }

	Pixel PixelLerp(const olc::Pixel& p1, const olc::Pixel& p2, float t)
	{ return (p2 * t) + p1 * (1.0f - t); }

	#endif
}