mirror of
https://github.com/love2d/love.git
synced 2026-08-12 08:30:56 +02:00
Alex Szpakowski
157 lines
3.2 KiB
C++
157 lines
3.2 KiB
C++
/**
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* Copyright (c) 2006-2022 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_COLOR_H
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#define LOVE_COLOR_H
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namespace love
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{
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template <typename T>
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struct ColorT
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{
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T r;
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T g;
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T b;
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T a;
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ColorT() : r(0), g(0), b(0), a(0) {}
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ColorT(T r_, T g_, T b_, T a_) : r(r_), g(g_), b(b_), a(a_) {}
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void set(T r_, T g_, T b_, T a_)
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{
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r = r_;
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g = g_;
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b = b_;
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a = a_;
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}
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bool operator==(const ColorT<T> &other) const;
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bool operator!=(const ColorT<T> &other) const;
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ColorT<T> operator+=(const ColorT<T> &other);
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ColorT<T> operator*=(const ColorT<T> &other);
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ColorT<T> operator*=(T s);
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ColorT<T> operator/=(T s);
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};
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template <typename T>
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bool ColorT<T>::operator==(const ColorT<T> &other) const
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{
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return r == other.r && g == other.g && b == other.b && a == other.a;
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}
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template <typename T>
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bool ColorT<T>::operator!=(const ColorT<T> &other) const
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{
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return !(operator==(other));
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}
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template <typename T>
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ColorT<T> ColorT<T>::operator+=(const ColorT<T> &other)
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{
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r += other.r;
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g += other.g;
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b += other.b;
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a += other.a;
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return *this;
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}
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template <typename T>
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ColorT<T> ColorT<T>::operator*=(const ColorT<T> &other)
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{
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r *= other.r;
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g *= other.g;
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b *= other.b;
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a *= other.a;
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return *this;
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}
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template <typename T>
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ColorT<T> ColorT<T>::operator*=(T s)
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{
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r *= s;
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g *= s;
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b *= s;
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a *= s;
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return *this;
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}
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template <typename T>
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ColorT<T> ColorT<T>::operator/=(T s)
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{
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r /= s;
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g /= s;
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b /= s;
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a /= s;
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return *this;
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}
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template <typename T>
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ColorT<T> operator+(const ColorT<T> &a, const ColorT<T> &b)
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{
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ColorT<T> tmp(a);
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return tmp += b;
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}
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template <typename T>
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ColorT<T> operator*(const ColorT<T> &a, const ColorT<T> &b)
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{
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ColorT<T> res;
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res.r = a.r * b.r;
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res.g = a.g * b.g;
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res.b = a.b * b.b;
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res.a = a.a * b.a;
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return res;
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}
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template <typename T>
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ColorT<T> operator*(const ColorT<T> &a, T s)
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{
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ColorT<T> tmp(a);
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return tmp *= s;
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}
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template <typename T>
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ColorT<T> operator/(const ColorT<T> &a, T s)
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{
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ColorT<T> tmp(a);
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return tmp /= s;
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}
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typedef ColorT<unsigned char> Color32;
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typedef ColorT<float> Colorf;
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inline Color32 toColor32(Colorf cf)
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{
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return Color32((unsigned char) (cf.r * 255.0f),
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(unsigned char) (cf.g * 255.0f),
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(unsigned char) (cf.b * 255.0f),
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(unsigned char) (cf.a * 255.0f));
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}
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inline Colorf toColorf(Color32 c)
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{
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return Colorf(c.r / 255.0f, c.g / 255.0f, c.b / 255.0f, c.a / 255.0f);
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}
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} // love
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#endif // LOVE_COLOR_H
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