size.h

/*
**  UICore
**  Copyright (c) 1997-2015 The UICore 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 UICore may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    Kenneth Gangstoe
*/


#pragma once

#include "vec2.h"

namespace uicore
{
    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) { return; }

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

        Sizex(const Sizex<Type> &s)
            : width(s.width), height(s.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; }
    };
}