LCOV - code coverage report
Current view: top level - include/tools - vector2d.hxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 12 0.0 %
Date: 2014-04-14 Functions: 0 8 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_TOOLS_VECTOR2D_HXX
      21             : #define INCLUDED_TOOLS_VECTOR2D_HXX
      22             : 
      23             : #include <math.h>
      24             : #include <tools/gen.hxx>
      25             : 
      26             : class Vector2D
      27             : {
      28             : private:
      29             :     double              mfX;
      30             :     double              mfY;
      31             : 
      32             : public:
      33             :     inline Vector2D() : mfX( 0.0 ), mfY( 0.0 ) {}
      34             :     inline Vector2D( double fX, double fY ) : mfX( fX ), mfY( fY ) {}
      35             :     inline Vector2D( const Vector2D& rVec ) : mfX( rVec.mfX ), mfY( rVec.mfY ) {}
      36           0 :     inline Vector2D( const Pair& rPair ) : mfX( rPair.A() ), mfY( rPair.B() ) {};
      37           0 :     inline ~Vector2D() {}
      38             : 
      39             :     inline const double& X() const { return mfX; }
      40             :     inline const double& Y() const { return mfY; }
      41             :     inline double& X() { return mfX; }
      42             :     inline double& Y() { return mfY; }
      43             :     inline const double& operator[] (int nPos) const { return (nPos ? mfY : mfX); }
      44             :     inline double& operator[] (int nPos) { return (nPos ? mfY : mfX); }
      45             : 
      46           0 :     inline double GetLength() const { return hypot( mfX, mfY ); }
      47             :     inline Vector2D& Normalize();
      48             : 
      49             :     inline void Min(const Vector2D& rVec) { if(rVec.mfX < mfX) mfX = rVec.mfX; if(rVec.mfY < mfY) mfY = rVec.mfY; }
      50             :     inline void Max(const Vector2D& rVec) { if(rVec.mfX > mfX) mfX = rVec.mfX; if(rVec.mfY > mfY) mfY = rVec.mfY; }
      51             :     inline void Abs() { if(mfX < 0.0) mfX = -mfX; if(mfY < 0.0) mfY = -mfY; }
      52             : 
      53             :     inline void CalcInBetween(Vector2D& rOld1, Vector2D& rOld2, double t)
      54             :         { mfX = ((rOld2.mfX - rOld1.mfX) + t) + rOld1.mfX; mfY = ((rOld2.mfY - rOld1.mfY) + t) + rOld1.mfY; }
      55             :     inline void CalcMiddle(Vector2D& rOld1, Vector2D& rOld2)
      56             :         { mfX = (rOld1.mfX + rOld2.mfX) / 2.0; mfY = (rOld1.mfY + rOld2.mfY) / 2.0; }
      57             :     inline void CalcMiddle(Vector2D& rOld1, Vector2D& rOld2, Vector2D& rOld3)
      58             :         { mfX = (rOld1.mfX + rOld2.mfX + rOld3.mfX) / 3.0; mfY = (rOld1.mfY + rOld2.mfY + rOld3.mfY) / 3.0; }
      59             : 
      60             :     inline Vector2D&    operator+=( const Vector2D& rVec ) { mfX += rVec.mfX, mfY += rVec.mfY; return *this; }
      61             :     inline Vector2D&    operator-=( const Vector2D& rVec ) { mfX -= rVec.mfX, mfY -= rVec.mfY; return *this; }
      62             :     inline Vector2D     operator+(const Vector2D& rVec) const { Vector2D aSum(*this); aSum += rVec; return aSum; }
      63             :     inline Vector2D     operator-(const Vector2D& rVec) const { Vector2D aSub(*this); aSub -= rVec; return aSub; }
      64             :     inline Vector2D     operator-(void) const { return Vector2D(-mfX, -mfY); }
      65             : 
      66           0 :     inline double       Scalar( const Vector2D& rVec ) const { return( mfX * rVec.mfX + mfY * rVec.mfY ); }
      67             : 
      68             :     inline Vector2D&    operator/=( const Vector2D& rVec ) { mfX /= rVec.mfX, mfY /= rVec.mfY; return *this; }
      69             :     inline Vector2D&    operator*=( const Vector2D& rVec ) { mfX *= rVec.mfX, mfY *= rVec.mfY; return *this; }
      70             :     inline Vector2D     operator/(const Vector2D& rVec) const { Vector2D aDiv(*this); aDiv /= rVec; return aDiv; }
      71             :     inline Vector2D     operator*(const Vector2D& rVec) const { Vector2D aMul(*this); aMul *= rVec; return aMul; }
      72             : 
      73             :     inline Vector2D&    operator*=(double t) { mfX *= t; mfY *= t; return *this; }
      74             :     inline Vector2D     operator*(double t) const { Vector2D aNew(*this); aNew *= t; return aNew; }
      75             :     inline Vector2D&    operator/=(double t) { mfX /= t; mfY /= t; return *this; }
      76             :     inline Vector2D     operator/(double t) const { Vector2D aNew(*this); aNew /= t; return aNew; }
      77             : 
      78             :     inline bool         operator==( const Vector2D& rVec ) const { return( mfX == rVec.mfX && mfY == rVec.mfY ); }
      79             :     inline bool         operator!=( const Vector2D& rVec ) const { return !( *this == rVec ); }
      80             : 
      81             :     inline Vector2D&    operator=( const Vector2D& rVec ) { mfX = rVec.mfX, mfY = rVec.mfY; return *this; }
      82             :     inline Vector2D&    operator=( const Pair& rPair ) { mfX = rPair.A(), mfY = rPair.B(); return *this; }
      83           0 :     inline Vector2D&    operator-=( const Pair& rPair ) { mfX -= rPair.A(), mfY -= rPair.B(); return *this; }
      84             :     inline Vector2D&    operator+=( const Pair& rPair ) { mfX += rPair.A(), mfY += rPair.B(); return *this; }
      85             :     inline Vector2D&    operator*=( const Pair& rPair ) { mfX *= rPair.A(), mfY *= rPair.B(); return *this; }
      86             :     inline Vector2D&    operator/=( const Pair& rPair ) { mfX /= rPair.A(), mfY /= rPair.B(); return *this; }
      87             : 
      88             :     inline bool         operator==( const Pair& rPair ) const { return( mfX == rPair.A() && mfY == rPair.B() ); }
      89             :     inline bool         operator!=( const Pair& rPair ) const { return !( *this == rPair ); }
      90             : 
      91           0 :     inline bool         IsPositive( Vector2D& rVec ) const { return( ( mfX * rVec.mfY - mfY * rVec.mfX ) >= 0.0 ); }
      92           0 :     inline bool         IsNegative( Vector2D& rVec ) const { return !IsPositive( rVec ); }
      93             : };
      94             : 
      95           0 : inline Vector2D& Vector2D::Normalize()
      96             : {
      97           0 :     double fLen = Scalar( *this );
      98             : 
      99           0 :     if( ( fLen != 0.0 ) && ( fLen != 1.0 ) && ( ( fLen = sqrt( fLen ) ) != 0.0 ) )
     100           0 :         mfX /= fLen, mfY /= fLen;
     101             : 
     102           0 :     return *this;
     103             : }
     104             : 
     105             : #endif
     106             : 
     107             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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