b2dvector.hxx

Go to the documentation of this file.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
 
#pragma once
 
#include <basegfx/tuple/b2dtuple.hxx>
#include <basegfx/vector/b2ivector.hxx>
#include <basegfx/vector/b2enums.hxx>
#include <basegfx/basegfxdllapi.h>
 
namespace basegfx
{
    class B2DHomMatrix;
 
    class SAL_WARN_UNUSED BASEGFX_DLLPUBLIC B2DVector : public ::basegfx::B2DTuple
    {
    public:
        B2DVector()
        {}
 
        B2DVector(double fX, double fY)
        :   B2DTuple(fX, fY)
        {}
 
        explicit B2DVector(const ::basegfx::B2IVector& rVec)
        :   B2DTuple(rVec)
        {}
 
        B2DVector(Tuple2D<double> const& rTuple)
            :   B2DTuple(rTuple)
        {}
 
        B2DVector& operator*=( const B2DVector& rPnt )
        {
            mfX *= rPnt.mfX;
            mfY *= rPnt.mfY;
            return *this;
        }
 
        B2DVector& operator*=(double t)
        {
            mfX *= t;
            mfY *= t;
            return *this;
        }
 
        B2DVector& operator=(Tuple2D<double> const& rVector)
        {
            mfX = rVector.getX();
            mfY = rVector.getY();
            return *this;
        }
 
        double getLength() const;
 
        B2DVector& setLength(double fLen);
 
        B2DVector& normalize();
 
        double scalar( const B2DVector& rVec ) const { return((mfX * rVec.mfX) + (mfY * rVec.mfY)); }
 
        double cross( const B2DVector& rVec ) const { return(mfX * rVec.getY() - mfY * rVec.getX()); }
 
        double angle( const B2DVector& rVec ) const;
 
        B2DVector& operator*=( const B2DHomMatrix& rMat );
 
        static const B2DVector& getEmptyVector();
    };
 
    // external operators
 
 
    BASEGFX_DLLPUBLIC B2VectorOrientation getOrientation( const B2DVector& rVecA, const B2DVector& rVecB );
 
    BASEGFX_DLLPUBLIC B2DVector getPerpendicular( const B2DVector& rNormalizedVec );
 
    BASEGFX_DLLPUBLIC B2DVector getNormalizedPerpendicular( const B2DVector& rVec );
 
    BASEGFX_DLLPUBLIC bool areParallel( const B2DVector& rVecA, const B2DVector& rVecB );
 
    BASEGFX_DLLPUBLIC B2DVector operator*( const B2DHomMatrix& rMat, const B2DVector& rVec );
 
    BASEGFX_DLLPUBLIC B2VectorContinuity getContinuity( const B2DVector& rBackVector, const B2DVector& rForwardVector );
 
} // end of namespace basegfx
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */