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/* -*- 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 2D data class from B2ITuple. All necessary extensions
which are special for 2D 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 2D Vector.
@param nY
This parameter is used to initialize the Y-coordinate
of the 2D 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 2D Vector
*/
B2IVector& setLength(double fLen);
/** Calculate the Scalar with another 2D Vector
@param rVec
The second 2D Vector
@return
The Scalar value of the two involved 2D 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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