2004-11-26 18:03:50 +00:00
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/*************************************************************************
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*
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2008-04-11 00:04:30 +00:00
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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2004-11-26 18:03:50 +00:00
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*
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2010-02-12 15:01:35 +01:00
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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2004-11-26 18:03:50 +00:00
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*
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2008-04-11 00:04:30 +00:00
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* OpenOffice.org - a multi-platform office productivity suite
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2004-11-26 18:03:50 +00:00
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*
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2008-04-11 00:04:30 +00:00
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* This file is part of OpenOffice.org.
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2004-11-26 18:03:50 +00:00
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*
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2008-04-11 00:04:30 +00:00
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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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2004-11-26 18:03:50 +00:00
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*
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2008-04-11 00:04:30 +00:00
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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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2004-11-26 18:03:50 +00:00
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*
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2008-04-11 00:04:30 +00:00
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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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2004-11-26 18:03:50 +00:00
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*
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************************************************************************/
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2006-09-17 07:39:09 +00:00
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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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2006-12-13 14:38:55 +00:00
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#include <canvas/debug.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/numeric/ftools.hxx>
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2009-09-22 18:14:05 +02:00
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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2004-11-26 18:03:50 +00:00
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#include "clockwipe.hxx"
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2006-12-13 14:38:55 +00:00
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namespace slideshow {
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2004-11-26 18:03:50 +00:00
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namespace internal {
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::basegfx::B2DPolygon ClockWipe::calcCenteredClock( double t, double e )
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{
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::basegfx::B2DPolygon poly;
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::basegfx::B2DHomMatrix aTransform;
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aTransform.rotate( t * 2.0 * M_PI );
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const double MAX_EDGE = 2.0;
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::basegfx::B2DPoint p( 0.0, -MAX_EDGE );
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p *= aTransform;
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poly.append( p );
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if (t >= 0.875)
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poly.append( ::basegfx::B2DPoint( -e, -e ) );
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if (t >= 0.625)
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poly.append( ::basegfx::B2DPoint( -e, e ) );
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if (t >= 0.375)
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poly.append( ::basegfx::B2DPoint( e, e ) );
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if (t >= 0.125)
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poly.append( ::basegfx::B2DPoint( e, -e ) );
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poly.append( ::basegfx::B2DPoint( 0.0, -e ) );
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poly.append( ::basegfx::B2DPoint( 0.0, 0.0 ) );
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poly.setClosed(true);
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return poly;
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}
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::basegfx::B2DPolyPolygon ClockWipe::operator () ( double t )
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{
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const basegfx::B2DHomMatrix aTransform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
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::basegfx::B2DPolygon poly( calcCenteredClock(t) );
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poly.transform( aTransform );
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return ::basegfx::B2DPolyPolygon(poly);
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}
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}
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}
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