libreoffice/basegfx/source/range/b2drange.cxx

/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: b2drange.cxx,v $
 *
 *  $Revision: 1.9 $
 *
 *  last change: $Author: ihi $ $Date: 2006-11-14 14:09:48 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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 for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"

#ifndef _BGFX_RANGE_B2DRANGE_HXX
#include <basegfx/range/b2drange.hxx>
#endif

#ifndef _BGFX_RANGE_B2IRANGE_HXX
#include <basegfx/range/b2irange.hxx>
#endif

#ifndef _BGFX_NUMERIC_FTOOLS_HXX
#include <basegfx/numeric/ftools.hxx>
#endif

#ifndef _BGFX_MATRIX_B2DHOMMATRIX_HXX
#include <basegfx/matrix/b2dhommatrix.hxx>
#endif

namespace basegfx
{
    B2DRange::B2DRange( const B2IRange& rRange ) :
        maRangeX(),
        maRangeY()
    {
        if( !rRange.isEmpty() )
        {
            maRangeX = rRange.getMinX();
            maRangeY = rRange.getMinY();

            maRangeX.expand(rRange.getMaxX());
            maRangeY.expand(rRange.getMaxY());
        }
    }

    void B2DRange::transform(const B2DHomMatrix& rMatrix)
    {
        if(!isEmpty() && !rMatrix.isIdentity())
        {
            const B2DRange aSource(*this);
            reset();
            expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
            expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
            expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
            expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
        }
    }

    B2IRange fround(const B2DRange& rRange)
    {
        return rRange.isEmpty() ?
            B2IRange() :
            B2IRange(fround(rRange.getMinimum()),
                     fround(rRange.getMaximum()));
    }

} // end of namespace basegfx

// eof