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Diffstat (limited to 'basegfx/inc')
| -rw-r--r-- | basegfx/inc/basegfx/point/b3dhompoint.hxx | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/basegfx/inc/basegfx/point/b3dhompoint.hxx b/basegfx/inc/basegfx/point/b3dhompoint.hxx deleted file mode 100644 index 763997620bd0..000000000000 --- a/basegfx/inc/basegfx/point/b3dhompoint.hxx +++ /dev/null @@ -1,408 +0,0 @@ -/* -*- 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. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -#ifndef _BGFX_POINT_B3DHOMPOINT_HXX -#define _BGFX_POINT_B3DHOMPOINT_HXX - -#include <basegfx/point/b3dpoint.hxx> - -namespace basegfx -{ - /** Basic homogen Point class with three double values and one homogen factor - - This class provides access to homogen coordinates in 3D. - For this purpose all the operators which need to do specific - action due to their homogenity are implemented here. - The only caveat are member methods which are declared as const - but do change the content. These are documented for that reason. - The class is designed to provide homogenous coordinates without - direct access to the homogen part (mfW). This is also the reason - for leaving out the [] operators which return references to members. - - @see B3DTuple - */ - class B3DHomPoint - { - protected: - /// This member contains the coordinate part of the point - ::basegfx::B3DTuple maTuple; - - /// This Member holds the homogenous part of the point - double mfW; - - /** Test if this homogen point does have a homogenous part - - @return Returns true if this point has no homogenous part - */ - bool implIsHomogenized() const - { - const double fOne(1.0); - return ::basegfx::fTools::equal(mfW, fOne); - } - - /** Remove homogenous part of this Point - - This method does necessary calculations to remove - the evtl. homogenous part of this Point. This may - change all members. - */ - void implHomogenize(); - - /** Test and on demand remove homogenous part - - This method tests if this Point does have a homogenous part - and then evtl. takes actions to remove that part. - - @attention Even when this method is const it may change all - members of this instance. This is due to the fact that changing - the homogenous part of a homogenous point does from a mathematical - point of view not change the point at all. - */ - void implTestAndHomogenize() const - { - if(!implIsHomogenized()) - ((B3DHomPoint*)this)->implHomogenize(); - } - - public: - /** Create a homogen point - - The point is initialized to (0.0, 0.0, 0.0) - */ - B3DHomPoint() - : maTuple(), - mfW(1.0) - {} - - /** Create a homogen point - - @param fX - This parameter is used to initialize the X-coordinate - of the Point. The homogenous part is initialized to 1.0. - - @param fY - This parameter is used to initialize the Y-coordinate - of the Point. The homogenous part is initialized to 1.0. - - @param fZ - This parameter is used to initialize the Z-coordinate - of the Point. The homogenous part is initialized to 1.0. - */ - B3DHomPoint(double fX, double fY, double fZ) - : maTuple(fX, fY, fZ), - mfW(1.0) - {} - - /** Create a copy of a 3D Point - - @param rVec - The 3D point which will be copied. The homogenous part - is initialized to 1.0. - */ - B3DHomPoint(const B3DPoint& rVec) - : maTuple(rVec), - mfW(1.0) - {} - - /** Create a copy of a homogen point - - @param rVec - The homogen point which will be copied. The homogenous part - is copied, too. - */ - B3DHomPoint(const B3DHomPoint& rVec) - : maTuple(rVec.maTuple.getX(), rVec.maTuple.getY(), rVec.maTuple.getZ()), - mfW(rVec.mfW) - {} - - ~B3DHomPoint() - {} - - /** get a 3D point from this homogenous point - - This method normalizes this homogen point if necessary and - returns the corresponding 3D point for this homogen point. - - @attention Even when this method is const it may change all - members of this instance. - */ - B3DPoint getB3DPoint() const - { - implTestAndHomogenize(); - return B3DPoint(maTuple.getX(), maTuple.getY(), maTuple.getZ()); - } - - /** get X-coordinate - - This method normalizes this homogen point if necessary and - returns the corresponding X-coordinate for this homogen point. - - @attention Even when this method is const it may change all - members of this instance. - */ - double getX() const - { - implTestAndHomogenize(); - return maTuple.getX(); - } - - /** get Y-coordinate - - This method normalizes this homogen point if necessary and - returns the corresponding Y-coordinate for this homogen point. - - @attention Even when this method is const it may change all - members of this instance. - */ - double getY() const - { - implTestAndHomogenize(); - return maTuple.getY(); - } - - /** get Z-coordinate - - This method normalizes this homogen point if necessary and - returns the corresponding Z-coordinate for this homogen point. - - @attention Even when this method is const it may change all - members of this instance. - */ - double getZ() const - { - implTestAndHomogenize(); - return maTuple.getY(); - } - - /** Set X-coordinate of the homogen point. - - This method sets the X-coordinate of the homogen point. If - the point does have a homogenous part this is taken into account. - - @param fX - The to-be-set X-coordinate without homogenous part. - */ - void setX(double fX) - { - maTuple.setX(implIsHomogenized() ? fX : fX * mfW ); - } - - /** Set Y-coordinate of the homogen point. - - This method sets the Y-coordinate of the homogen point. If - the point does have a homogenous part this is taken into account. - - @param fY - The to-be-set Y-coordinate without homogenous part. - */ - void setY(double fY) - { - maTuple.setY(implIsHomogenized() ? fY : fY * mfW ); - } - - /** Set Z-coordinate of the homogen point. - - This method sets the Z-coordinate of the homogen point. If - the point does have a homogenous part this is taken into account. - - @param fZ - The to-be-set Z-coordinate without homogenous part. - */ - void setZ(double fZ) - { - maTuple.setZ(implIsHomogenized() ? fZ : fZ * mfW ); - } - - // operators - ////////////////////////////////////////////////////////////////////// - - B3DHomPoint& operator+=( const B3DHomPoint& rPnt ) - { - maTuple.setX(getX() * rPnt.mfW + rPnt.getX() * mfW); - maTuple.setY(getY() * rPnt.mfW + rPnt.getY() * mfW); - maTuple.setZ(getZ() * rPnt.mfW + rPnt.getZ() * mfW); - mfW = mfW * rPnt.mfW; - - return *this; - } - - B3DHomPoint& operator-=( const B3DHomPoint& rPnt ) - { - maTuple.setX(getX() * rPnt.mfW - rPnt.getX() * mfW); - maTuple.setY(getY() * rPnt.mfW - rPnt.getY() * mfW); - maTuple.setZ(getZ() * rPnt.mfW - rPnt.getZ() * mfW); - mfW = mfW * rPnt.mfW; - - return *this; - } - - B3DHomPoint& operator*=(double t) - { - if(!::basegfx::fTools::equalZero(t)) - { - mfW /= t; - } - - return *this; - } - - B3DHomPoint& operator/=(double t) - { - mfW *= t; - return *this; - } - - B3DHomPoint& operator-(void) - { - mfW = -mfW; - return *this; - } - - bool operator==( const B3DHomPoint& rPnt ) const - { - implTestAndHomogenize(); - return (maTuple == rPnt.maTuple); - } - - bool operator!=( const B3DHomPoint& rPnt ) const - { - implTestAndHomogenize(); - return (maTuple != rPnt.maTuple); - } - - B3DHomPoint& operator=( const B3DHomPoint& rPnt ) - { - maTuple = rPnt.maTuple; - mfW = rPnt.mfW; - return *this; - } - }; - - // external operators - ////////////////////////////////////////////////////////////////////////// - - inline B3DHomPoint minimum(const B3DHomPoint& rVecA, const B3DHomPoint& rVecB) - { - B3DHomPoint aMin( - (rVecB.getX() < rVecA.getX()) ? rVecB.getX() : rVecA.getX(), - (rVecB.getY() < rVecA.getY()) ? rVecB.getY() : rVecA.getY(), - (rVecB.getZ() < rVecA.getZ()) ? rVecB.getZ() : rVecA.getZ()); - return aMin; - } - - inline B3DHomPoint maximum(const B3DHomPoint& rVecA, const B3DHomPoint& rVecB) - { - B3DHomPoint aMax( - (rVecB.getX() > rVecA.getX()) ? rVecB.getX() : rVecA.getX(), - (rVecB.getY() > rVecA.getY()) ? rVecB.getY() : rVecA.getY(), - (rVecB.getZ() > rVecA.getZ()) ? rVecB.getZ() : rVecA.getZ()); - return aMax; - } - - inline B3DHomPoint absolute(const B3DHomPoint& rVec) - { - B3DHomPoint aAbs( - (0.0 > rVec.getX()) ? -rVec.getX() : rVec.getX(), - (0.0 > rVec.getY()) ? -rVec.getY() : rVec.getY(), - (0.0 > rVec.getZ()) ? -rVec.getZ() : rVec.getZ()); - return aAbs; - } - - inline B3DHomPoint interpolate(B3DHomPoint& rOld1, B3DHomPoint& rOld2, double t) - { - B3DHomPoint 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 B3DHomPoint average(B3DHomPoint& rOld1, B3DHomPoint& rOld2) - { - B3DHomPoint aAvg( - (rOld1.getX() + rOld2.getX()) * 0.5, - (rOld1.getY() + rOld2.getY()) * 0.5, - (rOld1.getZ() + rOld2.getZ()) * 0.5); - return aAvg; - } - - inline B3DHomPoint average(B3DHomPoint& rOld1, B3DHomPoint& rOld2, B3DHomPoint& rOld3) - { - B3DHomPoint 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 B3DHomPoint operator+(const B3DHomPoint& rVecA, const B3DHomPoint& rVecB) - { - B3DHomPoint aSum(rVecA); - aSum += rVecB; - return aSum; - } - - inline B3DHomPoint operator-(const B3DHomPoint& rVecA, const B3DHomPoint& rVecB) - { - B3DHomPoint aSub(rVecA); - aSub -= rVecB; - return aSub; - } - - inline B3DHomPoint operator*(const B3DHomPoint& rVec, double t) - { - B3DHomPoint aNew(rVec); - aNew *= t; - return aNew; - } - - inline B3DHomPoint operator*(double t, const B3DHomPoint& rVec) - { - B3DHomPoint aNew(rVec); - aNew *= t; - return aNew; - } - - inline B3DHomPoint operator/(const B3DHomPoint& rVec, double t) - { - B3DHomPoint aNew(rVec); - aNew /= t; - return aNew; - } - - inline B3DHomPoint operator/(double t, const B3DHomPoint& rVec) - { - B3DHomPoint aNew(rVec); - aNew /= t; - return aNew; - } -} // end of namespace basegfx - -#endif /* _BGFX_POINT_B3DHOMPOINT_HXX */ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |