b2dsize.hxx

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#pragma once
 
#include <basegfx/tuple/Size2D.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/vector/b2isize.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/basegfxdllapi.h>
 
namespace basegfx
{
class B2DSize : public Size2D<double>
{
public:
    B2DSize()
        : Size2D(0.0, 0.0)
    {
    }
 
    B2DSize(double fX, double fY)
        : Size2D(fX, fY)
    {
    }
 
    B2DSize(Size2D<double> const& rSize)
        : Size2D(rSize)
    {
    }
 
    explicit B2DSize(B2ISize const& rSize)
        : Size2D(rSize.getWidth(), rSize.getHeight())
    {
    }
 
    B2DSize& operator*=(const B2DHomMatrix& rMatrix)
    {
        const double fTempX(rMatrix.get(0, 0) * getWidth() + rMatrix.get(0, 1) * getHeight());
        const double fTempY(rMatrix.get(1, 0) * getWidth() + rMatrix.get(1, 1) * getHeight());
        setWidth(fTempX);
        setHeight(fTempY);
        return *this;
    }
 
    using Size2D<double>::operator+=;
    using Size2D<double>::operator-=;
    using Size2D<double>::operator*=;
    using Size2D<double>::operator/=;
    using Size2D<double>::operator-;
 
    double getLength() const
    {
        if (fTools::equalZero(getWidth()))
        {
            return fabs(getHeight());
        }
        else if (fTools::equalZero(getHeight()))
        {
            return fabs(getWidth());
        }
 
        return hypot(getWidth(), getHeight());
    }
};
 
template <typename charT, typename traits>
inline std::basic_ostream<charT, traits>& operator<<(std::basic_ostream<charT, traits>& stream,
                                                     const B2DSize& size)
{
    return stream << "(" << size.getWidth() << "," << size.getHeight() << ")";
}
 
inline B2DSize operator*(B2DHomMatrix const& rMatrix, B2DSize const& rSize)
{
    B2DSize aRes(rSize);
    aRes *= rMatrix;
    return aRes;
}
 
} // end basegfx
 
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