b3drange.cxx

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#include <basegfx/range/b3drange.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
 
namespace basegfx
{
    void B3DRange::transform(const B3DHomMatrix& rMatrix)
    {
        if(isEmpty() || rMatrix.isIdentity())
            return;
 
        const B3DRange aSource(*this);
        reset();
        expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMinY(), aSource.getMinZ()));
        expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMinY(), aSource.getMinZ()));
        expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMaxY(), aSource.getMinZ()));
        expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMaxY(), aSource.getMinZ()));
        expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMinY(), aSource.getMaxZ()));
        expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMinY(), aSource.getMaxZ()));
        expand(rMatrix * B3DPoint(aSource.getMinX(), aSource.getMaxY(), aSource.getMaxZ()));
        expand(rMatrix * B3DPoint(aSource.getMaxX(), aSource.getMaxY(), aSource.getMaxZ()));
    }
 
    B3DRange& B3DRange::operator*=( const ::basegfx::B3DHomMatrix& rMat )
    {
        transform(rMat);
        return *this;
    }
 
    const B3DRange& B3DRange::getUnitB3DRange()
    {
        static const B3DRange aUnitB3DRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
 
        return aUnitB3DRange;
    }
 
    B3DRange operator*( const ::basegfx::B3DHomMatrix& rMat, const B3DRange& rB3DRange )
    {
        B3DRange aRes( rB3DRange );
        aRes *= rMat;
        return aRes;
    }
 
} // end of namespace basegfx
 
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