154 lines
4.4 KiB
C++
154 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_BASEGFX_VECTOR_B2IVECTOR_HXX
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#define INCLUDED_BASEGFX_VECTOR_B2IVECTOR_HXX
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#include <ostream>
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#include <basegfx/tuple/b2ituple.hxx>
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#include <basegfx/vector/b2enums.hxx>
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#include <basegfx/basegfxdllapi.h>
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namespace basegfx
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{
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// predeclaration
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class B2DHomMatrix;
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/** Base Point class with two sal_Int32 values
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This class derives all operators and common handling for
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a 2D data class from B2ITuple. All necessary extensions
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which are special for 2D Vectors are added here.
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@see B2ITuple
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*/
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class BASEGFX_DLLPUBLIC B2IVector : public ::basegfx::B2ITuple
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{
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public:
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/** Create a 2D Vector
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The vector is initialized to (0, 0)
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*/
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B2IVector()
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: B2ITuple()
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{}
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/** Create a 2D Vector
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@param nX
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This parameter is used to initialize the X-coordinate
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of the 2D Vector.
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@param nY
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This parameter is used to initialize the Y-coordinate
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of the 2D Vector.
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*/
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B2IVector(sal_Int32 nX, sal_Int32 nY)
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: B2ITuple(nX, nY)
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{}
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/** Create a copy of a 2D Vector
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@param rVec
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The 2D Vector which will be copied.
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*/
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B2IVector(const B2IVector& rVec)
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: B2ITuple(rVec)
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{}
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/** constructor with tuple to allow copy-constructing
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from B2ITuple-based classes
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*/
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B2IVector(const ::basegfx::B2ITuple& rTuple)
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: B2ITuple(rTuple)
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{}
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~B2IVector()
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{}
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/** *=operator to allow usage from B2IVector, too
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*/
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B2IVector& operator*=( const B2IVector& rPnt )
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{
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mnX *= rPnt.mnX;
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mnY *= rPnt.mnY;
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return *this;
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}
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/** *=operator to allow usage from B2IVector, too
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*/
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B2IVector& operator*=(sal_Int32 t)
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{
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mnX *= t;
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mnY *= t;
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return *this;
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}
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/** assignment operator to allow assigning the results
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of B2ITuple calculations
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*/
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B2IVector& operator=( const ::basegfx::B2ITuple& rVec );
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/** Set the length of this 2D Vector
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@param fLen
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The to be achieved length of the 2D Vector
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*/
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B2IVector& setLength(double fLen);
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/** Calculate the Scalar with another 2D Vector
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@param rVec
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The second 2D Vector
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@return
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The Scalar value of the two involved 2D Vectors
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*/
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double scalar( const B2IVector& rVec ) const { return((mnX * rVec.mnX) + (mnY * rVec.mnY)); }
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/** Transform vector by given transformation matrix.
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Since this is a vector, translational components of the
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matrix are disregarded.
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*/
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B2IVector& operator*=( const B2DHomMatrix& rMat );
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};
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// external operators
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/** Transform vector by given transformation matrix.
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Since this is a vector, translational components of the
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matrix are disregarded.
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*/
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BASEGFX_DLLPUBLIC B2IVector operator*( const B2DHomMatrix& rMat, const B2IVector& rVec );
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} // end of namespace basegfx
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template< typename charT, typename traits >
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inline std::basic_ostream<charT, traits> & operator <<(
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std::basic_ostream<charT, traits> & stream, const basegfx::B2IVector& vector )
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{
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return stream << "(" << vector.getX() << "," << vector.getY() << ")";
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}
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#endif // INCLUDED_BASEGFX_VECTOR_B2IVECTOR_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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