145 lines
4.2 KiB
C++
145 lines
4.2 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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#pragma once
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#include <ostream>
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#include <basegfx/tuple/b2dtuple.hxx>
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#include <basegfx/point/b2ipoint.hxx>
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#include <basegfx/basegfxdllapi.h>
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#include <basegfx/tuple/Size2D.hxx>
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namespace basegfx
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{
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class B2DHomMatrix;
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/** Base Point class with two double values
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This class derives all operators and common handling for
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a 2D data class from B2DTuple. All necessary extensions
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which are special for points will be added here.
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@see B2DTuple
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*/
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class SAL_WARN_UNUSED B2DPoint : public ::basegfx::B2DTuple
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{
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public:
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/** Create a 2D Point
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The point is initialized to (0.0, 0.0)
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*/
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B2DPoint()
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{}
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/** Create a 2D Point
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@param fX
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This parameter is used to initialize the X-coordinate
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of the 2D Point.
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@param fY
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This parameter is used to initialize the Y-coordinate
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of the 2D Point.
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*/
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B2DPoint(double fX, double fY)
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: B2DTuple(fX, fY)
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{}
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/** Create a copy of a 2D Point
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@param rPoint
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The 2D Point which will be copied.
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*/
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explicit B2DPoint(const ::basegfx::B2IPoint& rPoint)
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: B2DTuple(rPoint)
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{}
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/** constructor with tuple to allow copy-constructing
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from B2DTuple-based classes
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*/
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B2DPoint(Tuple2D<double> const& rTuple)
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: B2DTuple(rTuple)
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{}
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/** create a point from a size object */
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explicit B2DPoint(Size2D<double> const& rSize)
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: B2DTuple(rSize.getWidth(), rSize.getHeight())
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{}
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/** *=operator to allow usage from B2DPoint, too
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*/
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B2DPoint& operator*=( const B2DPoint& 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 B2DPoint, too
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*/
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B2DPoint& operator*=(double 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 B2DTuple calculations
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*/
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BASEGFX_DLLPUBLIC B2DPoint& operator=(Tuple2D<double>& rPoint)
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{
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mnX = rPoint.getX();
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mnY = rPoint.getY();
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return *this;
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}
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/** Transform point by given transformation matrix.
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The translational components of the matrix are, in
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contrast to B2DVector, applied.
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*/
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BASEGFX_DLLPUBLIC B2DPoint& operator*=( const ::basegfx::B2DHomMatrix& rMat );
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static const B2DPoint& getEmptyPoint()
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{
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return static_cast<const B2DPoint&>( ::basegfx::B2DTuple::getEmptyTuple() );
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}
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};
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// external operators
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/** Transform B2DPoint by given transformation matrix.
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Since this is a Point, translational components of the
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matrix are used.
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*/
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BASEGFX_DLLPUBLIC B2DPoint operator*( const B2DHomMatrix& rMat, const B2DPoint& rPoint );
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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 B2DPoint& point )
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{
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return stream << "(" << point.getX() << "," << point.getY() << ")";
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}
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} // end of namespace basegfx
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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