GTrsf2d.h

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//
// Copyright(C) 2013-2016  OpenCascade [www.opencascade.org]
//
// This library is free software; you can redistribute it and / or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street,
// Fifth Floor, Boston, MA  02110 - 1301  USA
//

#pragma once

#include <Geom/Trsf2d.h>

namespace Geom
{
class Ax2d;
class Mat2d;
class XY;

class LX_GEOM_EXPORT GTrsf2d
{
public:
    GTrsf2d();
    GTrsf2d(const Trsf2d& T);
    GTrsf2d(const Mat2d& M, const XY& V);


    Trsf2d::FormEnum form() const;


    void invert();



    GTrsf2d inverted() const;



    bool isNegative() const;

    bool isSingular() const;


    GTrsf2d multiplied(const GTrsf2d& T) const;


    void multiply(const GTrsf2d& T);

    void operator*=(const GTrsf2d& T) { multiply(T); }

    //
    GTrsf2d operator*(const GTrsf2d& T) const { return multiplied(T); }


    double operator()(const int Row, const int Col) const { return value(Row, Col); }


    void power(const int N);


    GTrsf2d powered(const int N) const;



    void preMultiply(const GTrsf2d& T);

    void setAffinity(const Ax2d& A, const double Ratio);

    void setTranslationPart(const XY& Coord);

    void setTrsf2d(const Trsf2d& T);


    void setValue(const int Row, const int Col, const double Value);
    void setVectorialPart(const Mat2d& Matrix);


    const XY& translationPart() const;



    XY transformed(const XY& Coord) const;



    void transforms(XY& Coord) const;



    void transforms(double& X, double& Y) const;



    Trsf2d trsf2d() const;

    double value(const int Row, const int Col) const;
    const Mat2d& vectorialPart() const;

    const Mat2d& _CSFDB_GetGTrsf2dmatrix() const { return matrix; }
    const XY& _CSFDB_GetGTrsf2dloc() const { return loc; }
    Trsf2d::FormEnum _CSFDB_GetGTrsf2dshape() const { return shape; }
    void _CSFDB_SetGTrsf2dshape(const Trsf2d::FormEnum p) { shape = p; }
    double _CSFDB_GetGTrsf2dscale() const { return scale; }
    void _CSFDB_SetGTrsf2dscale(const double p) { scale = p; }



protected:
private:
    Mat2d matrix;
    XY loc;
    Trsf2d::FormEnum shape;
    double scale;
};

}  // namespace Geom