/* -*- 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 <ostream>
#include <basegfx/tuple/b2ituple.hxx>
#include <basegfx/basegfxdllapi.h>
namespace basegfx
{
class B2DHomMatrix;
/** Base Point class with two sal_Int32 values
This class derives all operators and common handling for
a 2 D data class from B2ITuple . All necessary extensions
which are special for 2 D Vectors are added here .
@ see B2ITuple
*/
class BASEGFX_DLLPUBLIC B2IVector : public ::basegfx::B2ITuple
{
public :
/** Create a 2D Vector
The vector is initialized to ( 0 , 0 )
*/
B2IVector()
{}
/** Create a 2D Vector
@ param nX
This parameter is used to initialize the X - coordinate
of the 2 D Vector .
@ param nY
This parameter is used to initialize the Y - coordinate
of the 2 D Vector .
*/
B2IVector(sal_Int32 nX, sal_Int32 nY)
: B2ITuple(nX, nY)
{}
/** constructor with tuple to allow copy-constructing
from B2ITuple - based classes
*/
B2IVector(const ::basegfx::B2ITuple& rTuple)
: B2ITuple(rTuple)
{}
/** *=operator to allow usage from B2IVector, too
*/
B2IVector& operator *=( const B2IVector& rPnt )
{
mnX *= rPnt.mnX;
mnY *= rPnt.mnY;
return *this ;
}
/** *=operator to allow usage from B2IVector, too
*/
B2IVector& operator *=(sal_Int32 t)
{
mnX *= t;
mnY *= t;
return *this ;
}
/** assignment operator to allow assigning the results
of B2ITuple calculations
*/
B2IVector& operator =( const ::basegfx::B2ITuple& rVec );
/** Set the length of this 2D Vector
@ param fLen
The to be achieved length of the 2 D Vector
*/
B2IVector& setLength(double fLen);
/** Calculate the Scalar with another 2D Vector
@ param rVec
The second 2 D Vector
@ return
The Scalar value of the two involved 2 D Vectors
*/
double scalar( const B2IVector& rVec ) const { return ((mnX * rVec.mnX) + (mnY * rVec.mnY)); }
/** Transform vector by given transformation matrix.
Since this is a vector , translational components of the
matrix are disregarded .
*/
B2IVector& operator *=( const B2DHomMatrix& rMat );
};
// external operators
template < typename charT, typename traits >
inline std::basic_ostream<charT, traits> & operator <<(
std::basic_ostream<charT, traits> & stream, const basegfx::B2IVector& vector )
{
return stream << "(" << vector.getX() << "," << vector.getY() << ")" ;
}
} // end of namespace basegfx
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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