libreoffice/slideshow/source/engine/transitions/transitiontools.cxx

/*************************************************************************
 *
 *  $RCSfile: transitiontools.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: rt $ $Date: 2004-11-26 19:09:55 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 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
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#include <transitiontools.hxx>

#ifndef _BGFX_POINT_B2DPOINT_HXX
#include <basegfx/point/b2dpoint.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYGON_HXX
#include <basegfx/polygon/b2dpolygon.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
#include <basegfx/polygon/b2dpolygontools.hxx>
#endif

#include "basegfx/matrix/b2dhommatrix.hxx"


namespace presentation {
namespace internal {

// TODO(Q2): Move this to basegfx
::basegfx::B2DPolygon createUnitRect()
{
    return ::basegfx::tools::createPolygonFromRect(
        ::basegfx::B2DRectangle(0.0,0.0,
                                1.0,1.0 ) );
}

::basegfx::B2DPolyPolygon flipOnYAxis(
    ::basegfx::B2DPolyPolygon const & polypoly )
{
    ::basegfx::B2DPolyPolygon res(polypoly);
    ::basegfx::B2DHomMatrix aTransform;
    aTransform.scale( -1.0, 1.0 );
    aTransform.translate( 1.0, 0.0 );
    res.transform( aTransform );
    res.flip();
    return res;
}

::basegfx::B2DPolyPolygon flipOnXAxis(
    ::basegfx::B2DPolyPolygon const & polypoly )
{
    ::basegfx::B2DPolyPolygon res(polypoly);
    ::basegfx::B2DHomMatrix aTransform;
    aTransform.scale( 1.0, -1.0 );
    aTransform.translate( 0.0, 1.0 );
    res.transform( aTransform );
    res.flip();
    return res;
}

}
}