size.h

/*
**  ClanLib SDK
**  Copyright (c) 1997-2020 The ClanLib Team
**
**  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.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    Kenneth Gangstoe
*/


#pragma once

#include "vec2.h"

namespace clan
{

        template<typename Type>
        class Vec2;

        template<typename Type>
        class Vec3;

        template<typename Type>
        class Vec4;

        template<typename Type>
        class Sizex
        {
        public:
                Sizex() : width(0), height(0) { }

                Sizex(Type width, Type height)
                        : width(width), height(height) { }

                Sizex(const Sizex<Type> &s) = default;

                template<typename OtherType, typename std::enable_if_t<std::is_integral<Type>::value && !std::is_integral<OtherType>::value, int> = 0>
                Sizex(const Sizex<OtherType>& copy) : width(static_cast<Type>(std::floor(copy.width + 0.5f))), height(static_cast<Type>(std::floor(copy.height + 0.5f))) {}

                template<typename OtherType, typename std::enable_if_t<!std::is_integral<Type>::value || std::is_integral<OtherType>::value, int> = 0>
                Sizex(const Sizex<OtherType>& copy) : width(static_cast<Type>(copy.width)), height(static_cast<Type>(copy.height)) {}

                Type width;

                Type height;

                operator Vec2<Type>() const
                {
                        return Vec2<Type>(width, height);
                }

                Sizex<Type> &operator+=(const Sizex<Type> &s)
                {
                        width += s.width; height += s.height; return *this;
                }

                Sizex<Type> &operator-=(const Sizex<Type> &s)
                {
                        width -= s.width; height -= s.height; return *this;
                }

                Sizex<Type> operator+(const Sizex<Type> &s) const
                {
                        return Sizex<Type>(width + s.width, height + s.height);
                }

                Sizex<Type> operator-(const Sizex<Type> &s) const
                {
                        return Sizex<Type>(width - s.width, height - s.height);
                }

                Sizex<Type> &operator+=(const Type &s)
                {
                        width += s; height += s; return *this;
                }

                Sizex<Type> &operator-=(const Type &s)
                {
                        width -= s; height -= s; return *this;
                }

                Sizex<Type> &operator*=(const Type &s)
                {
                        width *= s; height *= s; return *this;
                }

                Sizex<Type> &operator/=(const Type &s)
                {
                        width /= s; height /= s; return *this;
                }

                Sizex<Type> operator+(const Type &s) const
                {
                        return Sizex<Type>(width + s, height + s);
                }

                Sizex<Type> operator-(const Type &s) const
                {
                        return Sizex<Type>(width - s, height - s);
                }

                Sizex<Type> operator*(const Type &s) const
                {
                        return Sizex<Type>(width * s, height * s);
                }

                Sizex<Type> operator/(const Type &s) const
                {
                        return Sizex<Type>(width / s, height / s);
                }

                bool operator==(const Sizex<Type> &s) const
                {
                        return (width == s.width) && (height == s.height);
                }

                bool operator!=(const Sizex<Type> &s) const
                {
                        return (width != s.width) || (height != s.height);
                }
        };

        class Size : public Sizex<int>
        {
        public:
                Size() : Sizex<int>() {}
                Size(int width, int height) : Sizex<int>(width, height) {}
                Size(const Sizex<int>& s) : Sizex<int>(s) {}
                Size(const Vec2<int>& s) : Sizex<int>(s.x, s.y) {}

                explicit Size(const Sizex<float>& copy) { width = (int)(copy.width + 0.5f); height = (int)(copy.height + 0.5f); }
                explicit Size(const Sizex<double>& copy) { width = (int)(copy.width + 0.5); height = (int)(copy.height + 0.5); }
        };

        class Sizef : public Sizex<float>
        {
        public:
                Sizef() : Sizex<float>() {}
                Sizef(float width, float height) : Sizex<float>(width, height) {}
                Sizef(const Sizex<float>& s) : Sizex<float>(s) {}
                Sizef(const Vec2<float>& s) : Sizex<float>(s.x, s.y) {}

                Sizef(const Sizex<int>& copy) { width = (float)copy.width; height = (float)copy.height; }
                explicit Sizef(const Sizex<double>& copy) { width = (float)copy.width; height = (float)copy.height; }
        };

        class Sized : public Sizex<double>
        {
        public:
                Sized() : Sizex<double>() {}
                Sized(double width, double height) : Sizex<double>(width, height) {}
                Sized(const Sizex<double>& s) : Sizex<double>(s) {}
                Sized(const Vec2<double>& s) : Sizex<double>(s.x, s.y) {}

                Sized(const Sizex<int>& copy) { width = (double)copy.width; height = (double)copy.height; }
                Sized(const Sizex<float>& copy) { width = (double)copy.width; height = (double)copy.height; }
        };

}