480 lines
12 KiB
C++
480 lines
12 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: b3dhommatrix.cxx,v $
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*
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* $Revision: 1.11 $
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*
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* last change: $Author: obo $ $Date: 2006-09-17 07:59:09 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_basegfx.hxx"
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#ifndef INCLUDED_RTL_INSTANCE_HXX
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#include <rtl/instance.hxx>
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#endif
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#ifndef _BGFX_MATRIX_B3DHOMMATRIX_HXX
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#include <basegfx/matrix/b3dhommatrix.hxx>
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#endif
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#ifndef _HOMMATRIX_TEMPLATE_HXX
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#include <hommatrixtemplate.hxx>
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#endif
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#ifndef _BGFX_VECTOR_B3DVECTOR_HXX
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#include <basegfx/vector/b3dvector.hxx>
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#endif
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namespace basegfx
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{
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class Impl3DHomMatrix : public ::basegfx::internal::ImplHomMatrixTemplate< 4 >
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{
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};
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namespace { struct IdentityMatrix : public rtl::Static< B3DHomMatrix::ImplType,
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IdentityMatrix > {}; }
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B3DHomMatrix::B3DHomMatrix() :
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mpImpl( IdentityMatrix::get() ) // use common identity matrix
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{
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}
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B3DHomMatrix::B3DHomMatrix(const B3DHomMatrix& rMat) :
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mpImpl(rMat.mpImpl)
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{
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}
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B3DHomMatrix::~B3DHomMatrix()
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{
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}
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B3DHomMatrix& B3DHomMatrix::operator=(const B3DHomMatrix& rMat)
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{
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mpImpl = rMat.mpImpl;
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return *this;
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}
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void B3DHomMatrix::makeUnique()
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{
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mpImpl.make_unique();
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}
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double B3DHomMatrix::get(sal_uInt16 nRow, sal_uInt16 nColumn) const
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{
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return mpImpl->get(nRow, nColumn);
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}
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void B3DHomMatrix::set(sal_uInt16 nRow, sal_uInt16 nColumn, double fValue)
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{
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mpImpl->set(nRow, nColumn, fValue);
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}
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bool B3DHomMatrix::isLastLineDefault() const
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{
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return mpImpl->isLastLineDefault();
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}
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bool B3DHomMatrix::isIdentity() const
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{
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if(mpImpl.same_object(IdentityMatrix::get()))
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return true;
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return mpImpl->isIdentity();
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}
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void B3DHomMatrix::identity()
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{
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mpImpl = IdentityMatrix::get();
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}
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bool B3DHomMatrix::isInvertible() const
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{
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return mpImpl->isInvertible();
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}
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bool B3DHomMatrix::invert()
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{
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Impl3DHomMatrix aWork(*mpImpl);
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sal_uInt16* pIndex = new sal_uInt16[mpImpl->getEdgeLength()];
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sal_Int16 nParity;
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if(aWork.ludcmp(pIndex, nParity))
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{
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mpImpl->doInvert(aWork, pIndex);
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delete[] pIndex;
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return true;
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}
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delete[] pIndex;
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return false;
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}
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bool B3DHomMatrix::isNormalized() const
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{
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return mpImpl->isNormalized();
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}
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void B3DHomMatrix::normalize()
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{
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if(!const_cast<const B3DHomMatrix*>(this)->mpImpl->isNormalized())
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mpImpl->doNormalize();
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}
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double B3DHomMatrix::determinant() const
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{
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return mpImpl->doDeterminant();
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}
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double B3DHomMatrix::trace() const
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{
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return mpImpl->doTrace();
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}
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void B3DHomMatrix::transpose()
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{
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mpImpl->doTranspose();
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}
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B3DHomMatrix& B3DHomMatrix::operator+=(const B3DHomMatrix& rMat)
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{
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mpImpl->doAddMatrix(*rMat.mpImpl);
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return *this;
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}
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B3DHomMatrix& B3DHomMatrix::operator-=(const B3DHomMatrix& rMat)
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{
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mpImpl->doSubMatrix(*rMat.mpImpl);
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return *this;
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}
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B3DHomMatrix& B3DHomMatrix::operator*=(double fValue)
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{
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const double fOne(1.0);
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if(!fTools::equal(fOne, fValue))
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mpImpl->doMulMatrix(fValue);
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return *this;
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}
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B3DHomMatrix& B3DHomMatrix::operator/=(double fValue)
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{
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const double fOne(1.0);
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if(!fTools::equal(fOne, fValue))
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mpImpl->doMulMatrix(1.0 / fValue);
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return *this;
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}
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B3DHomMatrix& B3DHomMatrix::operator*=(const B3DHomMatrix& rMat)
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{
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if(!rMat.isIdentity())
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mpImpl->doMulMatrix(*rMat.mpImpl);
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return *this;
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}
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bool B3DHomMatrix::operator==(const B3DHomMatrix& rMat) const
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{
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if(mpImpl.same_object(rMat.mpImpl))
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return true;
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return mpImpl->isEqual(*rMat.mpImpl);
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}
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bool B3DHomMatrix::operator!=(const B3DHomMatrix& rMat) const
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{
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return !(*this == rMat);
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}
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void B3DHomMatrix::rotate(double fAngleX,double fAngleY,double fAngleZ)
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{
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if(!fTools::equalZero(fAngleX) || !fTools::equalZero(fAngleY) || !fTools::equalZero(fAngleZ))
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{
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if(!fTools::equalZero(fAngleX))
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{
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Impl3DHomMatrix aRotMatX;
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double fSin(sin(fAngleX));
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double fCos(cos(fAngleX));
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aRotMatX.set(1, 1, fCos);
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aRotMatX.set(2, 2, fCos);
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aRotMatX.set(2, 1, fSin);
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aRotMatX.set(1, 2, -fSin);
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mpImpl->doMulMatrix(aRotMatX);
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}
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if(!fTools::equalZero(fAngleY))
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{
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Impl3DHomMatrix aRotMatY;
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double fSin(sin(fAngleY));
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double fCos(cos(fAngleY));
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aRotMatY.set(0, 0, fCos);
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aRotMatY.set(2, 2, fCos);
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aRotMatY.set(0, 2, fSin);
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aRotMatY.set(2, 0, -fSin);
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mpImpl->doMulMatrix(aRotMatY);
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}
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if(!fTools::equalZero(fAngleZ))
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{
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Impl3DHomMatrix aRotMatZ;
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double fSin(sin(fAngleZ));
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double fCos(cos(fAngleZ));
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aRotMatZ.set(0, 0, fCos);
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aRotMatZ.set(1, 1, fCos);
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aRotMatZ.set(1, 0, fSin);
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aRotMatZ.set(0, 1, -fSin);
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mpImpl->doMulMatrix(aRotMatZ);
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}
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}
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}
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void B3DHomMatrix::translate(double fX, double fY, double fZ)
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{
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if(!fTools::equalZero(fX) || !fTools::equalZero(fY) || !fTools::equalZero(fZ))
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{
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Impl3DHomMatrix aTransMat;
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aTransMat.set(0, 3, fX);
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aTransMat.set(1, 3, fY);
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aTransMat.set(2, 3, fZ);
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mpImpl->doMulMatrix(aTransMat);
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}
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}
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void B3DHomMatrix::scale(double fX, double fY, double fZ)
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{
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const double fOne(1.0);
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if(!fTools::equal(fOne, fX) || !fTools::equal(fOne, fY) ||!fTools::equal(fOne, fZ))
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{
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Impl3DHomMatrix aScaleMat;
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aScaleMat.set(0, 0, fX);
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aScaleMat.set(1, 1, fY);
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aScaleMat.set(2, 2, fZ);
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mpImpl->doMulMatrix(aScaleMat);
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}
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}
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void B3DHomMatrix::shearXY(double fSx, double fSy)
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{
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const double fOne(1.0);
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if(!fTools::equal(fOne, fSx) || !fTools::equal(fOne, fSy))
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{
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Impl3DHomMatrix aShearXYMat;
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aShearXYMat.set(0, 2, fSx);
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aShearXYMat.set(1, 2, fSy);
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mpImpl->doMulMatrix(aShearXYMat);
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}
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}
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void B3DHomMatrix::shearYZ(double fSy, double fSz)
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{
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const double fOne(1.0);
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if(!fTools::equal(fOne, fSy) || !fTools::equal(fOne, fSz))
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{
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Impl3DHomMatrix aShearYZMat;
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aShearYZMat.set(1, 0, fSy);
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aShearYZMat.set(2, 0, fSz);
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mpImpl->doMulMatrix(aShearYZMat);
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}
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}
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void B3DHomMatrix::shearXZ(double fSx, double fSz)
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{
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const double fOne(1.0);
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if(!fTools::equal(fOne, fSx) || !fTools::equal(fOne, fSz))
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{
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Impl3DHomMatrix aShearXZMat;
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aShearXZMat.set(0, 1, fSx);
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aShearXZMat.set(2, 1, fSz);
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mpImpl->doMulMatrix(aShearXZMat);
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}
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}
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bool B3DHomMatrix::decompose(B3DTuple& rScale, B3DTuple& rTranslate, B3DTuple& rRotate, B3DTuple& rShear) const
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{
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// when perspective is used, decompose is not made here
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if(!mpImpl->isLastLineDefault())
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return false;
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// If determinant is zero, decomposition is not possible
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if(0.0 == determinant())
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return false;
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// isolate translation
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rTranslate.setX(mpImpl->get(0, 3));
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rTranslate.setY(mpImpl->get(1, 3));
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rTranslate.setZ(mpImpl->get(2, 3));
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// correct translate values
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rTranslate.correctValues();
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// get scale and shear
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B3DVector aCol0(mpImpl->get(0, 0), mpImpl->get(1, 0), mpImpl->get(2, 0));
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B3DVector aCol1(mpImpl->get(0, 1), mpImpl->get(1, 1), mpImpl->get(2, 1));
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B3DVector aCol2(mpImpl->get(0, 2), mpImpl->get(1, 2), mpImpl->get(2, 2));
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B3DVector aTemp;
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// get ScaleX
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rScale.setX(aCol0.getLength());
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aCol0.normalize();
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// get ShearXY
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rShear.setX(aCol0.scalar(aCol1));
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if(::basegfx::fTools::equalZero(rShear.getX()))
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{
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rShear.setX(0.0);
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}
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else
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{
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aTemp.setX(aCol1.getX() - rShear.getX() * aCol0.getX());
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aTemp.setY(aCol1.getY() - rShear.getX() * aCol0.getY());
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aTemp.setZ(aCol1.getZ() - rShear.getX() * aCol0.getZ());
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aCol1 = aTemp;
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}
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// get ScaleY
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rScale.setY(aCol1.getLength());
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aCol1.normalize();
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const double fShearX(rShear.getX());
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if(!::basegfx::fTools::equalZero(fShearX))
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{
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rShear.setX(rShear.getX() / rScale.getY());
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}
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// get ShearXZ
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rShear.setY(aCol0.scalar(aCol2));
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if(::basegfx::fTools::equalZero(rShear.getY()))
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{
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rShear.setY(0.0);
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}
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else
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{
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aTemp.setX(aCol2.getX() - rShear.getY() * aCol0.getX());
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aTemp.setY(aCol2.getY() - rShear.getY() * aCol0.getY());
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aTemp.setZ(aCol2.getZ() - rShear.getY() * aCol0.getZ());
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aCol2 = aTemp;
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}
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// get ShearYZ
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rShear.setZ(aCol1.scalar(aCol2));
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if(::basegfx::fTools::equalZero(rShear.getZ()))
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{
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rShear.setZ(0.0);
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}
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else
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{
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aTemp.setX(aCol2.getX() - rShear.getZ() * aCol1.getX());
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aTemp.setY(aCol2.getY() - rShear.getZ() * aCol1.getY());
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aTemp.setZ(aCol2.getZ() - rShear.getZ() * aCol1.getZ());
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aCol2 = aTemp;
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}
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// get ScaleZ
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rScale.setZ(aCol2.getLength());
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aCol2.normalize();
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const double fShearY(rShear.getY());
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if(!::basegfx::fTools::equalZero(fShearY))
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{
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rShear.setY(rShear.getY() / rScale.getZ());
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}
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const double fShearZ(rShear.getZ());
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if(!::basegfx::fTools::equalZero(fShearZ))
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{
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rShear.setZ(rShear.getZ() / rScale.getZ());
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}
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// correct shear values
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rShear.correctValues();
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// Coordinate system flip?
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if(0.0 > aCol0.scalar(aCol1.getPerpendicular(aCol2)))
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{
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rScale = -rScale;
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aCol0 = -aCol0;
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aCol1 = -aCol1;
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aCol2 = -aCol2;
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}
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// correct scale values
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rScale.correctValues(1.0);
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// Get rotations
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rRotate.setY(asin(-aCol0.getZ()));
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if(::basegfx::fTools::equalZero(cos(rRotate.getY())))
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{
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rRotate.setX(atan2(aCol1.getX(), aCol1.getY()));
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rRotate.setZ(0.0);
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}
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else
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{
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rRotate.setX(atan2(aCol1.getZ(), aCol2.getZ()));
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rRotate.setZ(atan2(aCol0.getY(), aCol0.getX()));
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}
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// corrcet rotate values
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rRotate.correctValues();
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return true;
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}
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} // end of namespace basegfx
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// eof
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