BSize.h

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/*--------------------------------------------------------------------------------------+
|
|   Supplied under applicable software license agreement.
|
|   Copyright (c) 2018 Bentley Systems, Incorporated. All rights reserved.
|
+---------------------------------------------------------------------------------------*/
#pragma once

#include <UI\UIFramework.h>
#include <UI\Core\MathUtils.h>

BEGIN_BENTLEY_UIFRAMEWORK_NAMESPACE

//=======================================================================================
//=======================================================================================
class DLLEXPORT BSize
    {
    public:
        BSize ();
        BSize (int w, int h);

        bool IsNull () const;
        bool IsEmpty () const;
        bool IsValid () const;

        int Width () const;
        int Height () const;
        void SetWidth (int w);
        void SetHeight (int h);
        void Transpose ();

        BSize ExpandedTo (const BSize &) const;
        BSize BoundedTo (const BSize &) const;

        BSize &operator += (const BSize &);
        BSize &operator -= (const BSize &);
        BSize &operator *= (double c);
        BSize &operator /= (double c);

        friend bool  operator == (const BSize &, const BSize &);
        friend bool  operator != (const BSize &, const BSize &);

        friend const BSize operator + (const BSize &, const BSize &);
        friend const BSize operator - (const BSize &, const BSize &);
        friend const BSize operator * (const BSize &, double);
        friend const BSize operator * (double, const BSize &);
        friend const BSize operator / (const BSize &, double);

    private:
        int m_width;
        int m_height;

    };


/*****************************************************************************
 BSize inline friend operators
 *****************************************************************************/

inline bool operator == (const BSize &s1, const BSize &s2)
    {
    return s1.Width () == s2.Width () && s1.Height () == s2.Height ();
    }

inline bool operator != (const BSize &s1, const BSize &s2)
    {
    return s1.Width () != s2.Width () || s1.Height () != s2.Height ();
    }

inline const BSize operator + (const BSize & s1, const BSize & s2)
    {
    return BSize (s1.Width () + s2.Width (), s1.Height () + s2.Height ());
    }

inline const BSize operator - (const BSize &s1, const BSize &s2)
    {
    return BSize (s1.Width () - s2.Width (), s1.Height () - s2.Height ());
    }

inline const BSize operator * (const BSize &s, double c)
    {
    return BSize (Round (s.Width ()*c), Round (s.Height ()*c));
    }

inline const BSize operator * (double c, const BSize &s)
    {
    return BSize (Round (s.Width ()*c), Round (s.Height ()*c));
    }

inline const BSize operator / (const BSize &s, double c)
    {
    return BSize (Round (s.Width () / c), Round (s.Height () / c));
    }


END_BENTLEY_UIFRAMEWORK_NAMESPACE