69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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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: barndoorwipe.cxx,v $
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* $Revision: 1.6 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org 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
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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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_slideshow.hxx"
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#include <canvas/debug.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include "barndoorwipe.hxx"
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namespace slideshow {
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namespace internal {
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::basegfx::B2DPolyPolygon BarnDoorWipe::operator () ( double t )
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{
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if (m_doubled)
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t /= 2.0;
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basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5));
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aTransform.scale( ::basegfx::pruneScaleValue(t), 1.0 );
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aTransform.translate( 0.5, 0.5 );
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::basegfx::B2DPolygon poly( m_unitRect );
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poly.transform( aTransform );
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::basegfx::B2DPolyPolygon res(poly);
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if (m_doubled) {
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aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
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aTransform.rotate( M_PI_2 );
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aTransform.translate( 0.5, 0.5 );
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poly.transform( aTransform );
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res.append(poly);
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}
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return res;
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}
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}
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}
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