/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /************************************************************************* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2000, 2010 Oracle and/or its affiliates. * * OpenOffice.org - a multi-platform office productivity suite * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _BGFX_TUPLE_B3I64TUPLE_HXX #define _BGFX_TUPLE_B3I64TUPLE_HXX #include #include namespace basegfx { /** Base class for all Points/Vectors with three sal_Int64 values This class provides all methods common to Point avd Vector classes which are derived from here. @derive Use this class to implement Points or Vectors which are based on three sal_Int64 values */ class B3I64Tuple { protected: sal_Int64 mnX; sal_Int64 mnY; sal_Int64 mnZ; public: /** Create a 3D Tuple The tuple is initialized to (0, 0, 0) */ B3I64Tuple() : mnX(0), mnY(0), mnZ(0) {} /** Create a 3D Tuple @param nX This parameter is used to initialize the X-coordinate of the 3D Tuple. @param nY This parameter is used to initialize the Y-coordinate of the 3D Tuple. @param nZ This parameter is used to initialize the Z-coordinate of the 3D Tuple. */ B3I64Tuple(sal_Int64 nX, sal_Int64 nY, sal_Int64 nZ) : mnX(nX), mnY(nY), mnZ(nZ) {} /** Create a copy of a 3D Tuple @param rTup The 3D Tuple which will be copied. */ B3I64Tuple(const B3I64Tuple& rTup) : mnX( rTup.mnX ), mnY( rTup.mnY ), mnZ( rTup.mnZ ) {} ~B3I64Tuple() {} /// get X-Coordinate of 3D Tuple sal_Int64 getX() const { return mnX; } /// get Y-Coordinate of 3D Tuple sal_Int64 getY() const { return mnY; } /// get Z-Coordinate of 3D Tuple sal_Int64 getZ() const { return mnZ; } /// set X-Coordinate of 3D Tuple void setX(sal_Int64 nX) { mnX = nX; } /// set Y-Coordinate of 3D Tuple void setY(sal_Int64 nY) { mnY = nY; } /// set Z-Coordinate of 3D Tuple void setZ(sal_Int64 nZ) { mnZ = nZ; } /// Array-access to 3D Tuple const sal_Int64& operator[] (int nPos) const { // Here, normally two if(...)'s should be used. In the assumption that // both sal_Int64 members can be accessed as an array a shortcut is used here. // if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ; return *((&mnX) + nPos); } /// Array-access to 3D Tuple sal_Int64& operator[] (int nPos) { // Here, normally two if(...)'s should be used. In the assumption that // both sal_Int64 members can be accessed as an array a shortcut is used here. // if(0 == nPos) return mnX; if(1 == nPos) return mnY; return mnZ; return *((&mnX) + nPos); } // operators ////////////////////////////////////////////////////////////////////// B3I64Tuple& operator+=( const B3I64Tuple& rTup ) { mnX += rTup.mnX; mnY += rTup.mnY; mnZ += rTup.mnZ; return *this; } B3I64Tuple& operator-=( const B3I64Tuple& rTup ) { mnX -= rTup.mnX; mnY -= rTup.mnY; mnZ -= rTup.mnZ; return *this; } B3I64Tuple& operator/=( const B3I64Tuple& rTup ) { mnX /= rTup.mnX; mnY /= rTup.mnY; mnZ /= rTup.mnZ; return *this; } B3I64Tuple& operator*=( const B3I64Tuple& rTup ) { mnX *= rTup.mnX; mnY *= rTup.mnY; mnZ *= rTup.mnZ; return *this; } B3I64Tuple& operator*=(sal_Int64 t) { mnX *= t; mnY *= t; mnZ *= t; return *this; } B3I64Tuple& operator/=(sal_Int64 t) { mnX /= t; mnY /= t; mnZ /= t; return *this; } B3I64Tuple operator-(void) const { return B3I64Tuple(-mnX, -mnY, -mnZ); } bool equalZero() const { return (this == &getEmptyTuple() || (mnX == 0 && mnY == 0 && mnZ == 0)); } bool operator==( const B3I64Tuple& rTup ) const { return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY && rTup.mnZ == mnZ); } bool operator!=( const B3I64Tuple& rTup ) const { return !(*this == rTup); } B3I64Tuple& operator=( const B3I64Tuple& rTup ) { mnX = rTup.mnX; mnY = rTup.mnY; mnZ = rTup.mnZ; return *this; } static const B3I64Tuple& getEmptyTuple(); }; // external operators ////////////////////////////////////////////////////////////////////////// inline B3I64Tuple minimum(const B3I64Tuple& rTupA, const B3I64Tuple& rTupB) { B3I64Tuple aMin( (rTupB.getX() < rTupA.getX()) ? rTupB.getX() : rTupA.getX(), (rTupB.getY() < rTupA.getY()) ? rTupB.getY() : rTupA.getY(), (rTupB.getZ() < rTupA.getZ()) ? rTupB.getZ() : rTupA.getZ()); return aMin; } inline B3I64Tuple maximum(const B3I64Tuple& rTupA, const B3I64Tuple& rTupB) { B3I64Tuple aMax( (rTupB.getX() > rTupA.getX()) ? rTupB.getX() : rTupA.getX(), (rTupB.getY() > rTupA.getY()) ? rTupB.getY() : rTupA.getY(), (rTupB.getZ() > rTupA.getZ()) ? rTupB.getZ() : rTupA.getZ()); return aMax; } inline B3I64Tuple absolute(const B3I64Tuple& rTup) { B3I64Tuple aAbs( (0 > rTup.getX()) ? -rTup.getX() : rTup.getX(), (0 > rTup.getY()) ? -rTup.getY() : rTup.getY(), (0 > rTup.getZ()) ? -rTup.getZ() : rTup.getZ()); return aAbs; } inline B3DTuple interpolate(const B3I64Tuple& rOld1, const B3I64Tuple& rOld2, double t) { B3DTuple aInt( ((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(), ((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY(), ((rOld2.getZ() - rOld1.getZ()) * t) + rOld1.getZ()); return aInt; } inline B3DTuple average(const B3I64Tuple& rOld1, const B3I64Tuple& rOld2) { B3DTuple aAvg( (rOld1.getX() + rOld2.getX()) * 0.5, (rOld1.getY() + rOld2.getY()) * 0.5, (rOld1.getZ() + rOld2.getZ()) * 0.5); return aAvg; } inline B3DTuple average(const B3I64Tuple& rOld1, const B3I64Tuple& rOld2, const B3I64Tuple& rOld3) { B3DTuple aAvg( (rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0), (rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0), (rOld1.getZ() + rOld2.getZ() + rOld3.getZ()) * (1.0 / 3.0)); return aAvg; } inline B3I64Tuple operator+(const B3I64Tuple& rTupA, const B3I64Tuple& rTupB) { B3I64Tuple aSum(rTupA); aSum += rTupB; return aSum; } inline B3I64Tuple operator-(const B3I64Tuple& rTupA, const B3I64Tuple& rTupB) { B3I64Tuple aSub(rTupA); aSub -= rTupB; return aSub; } inline B3I64Tuple operator/(const B3I64Tuple& rTupA, const B3I64Tuple& rTupB) { B3I64Tuple aDiv(rTupA); aDiv /= rTupB; return aDiv; } inline B3I64Tuple operator*(const B3I64Tuple& rTupA, const B3I64Tuple& rTupB) { B3I64Tuple aMul(rTupA); aMul *= rTupB; return aMul; } inline B3I64Tuple operator*(const B3I64Tuple& rTup, sal_Int64 t) { B3I64Tuple aNew(rTup); aNew *= t; return aNew; } inline B3I64Tuple operator*(sal_Int64 t, const B3I64Tuple& rTup) { B3I64Tuple aNew(rTup); aNew *= t; return aNew; } inline B3I64Tuple operator/(const B3I64Tuple& rTup, sal_Int64 t) { B3I64Tuple aNew(rTup); aNew /= t; return aNew; } inline B3I64Tuple operator/(sal_Int64 t, const B3I64Tuple& rTup) { B3I64Tuple aNew(t, t, t); B3I64Tuple aTmp(rTup); aNew /= aTmp; return aNew; } } // end of namespace basegfx #endif /* _BGFX_TUPLE_B3I64TUPLE_HXX */ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */