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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: fanwipe.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-07 20:52:32 $
*
* 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
*
************************************************************************/
#include "canvas/debug.hxx"
#include "transitiontools.hxx"
#include "clockwipe.hxx"
#include "fanwipe.hxx"
#include "basegfx/matrix/b2dhommatrix.hxx"
namespace presentation {
namespace internal {
::basegfx::B2DPolyPolygon FanWipe::operator () ( double t )
{
::basegfx::B2DPolyPolygon res;
if (m_center) {
::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock(
t / (m_single ? 2.0 : 4.0) ) );
res.append( poly );
// flip on y-axis:
::basegfx::B2DHomMatrix aTransform;
aTransform.scale( -1.0, 1.0 );
poly.transform( aTransform );
poly.flip();
res.append( poly );
aTransform.identity();
aTransform.scale( 0.5, 0.5 );
aTransform.translate( 0.5, 0.5 );
res.transform( aTransform );
if (! m_single) {
res.append( flipOnXAxis(res) );
if (m_fanIn) {
// xxx todo
}
}
}
else {
OSL_ASSERT( !m_single && !m_fanIn );
::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( t / 4.0 ) );
res.append( poly );
// flip on y-axis:
::basegfx::B2DHomMatrix aTransform;
aTransform.scale( -1.0, 1.0 );
poly.transform( aTransform );
poly.flip();
res.append( poly );
aTransform.identity();
aTransform.scale( 0.5, 1.0 );
aTransform.translate( 0.5, 1.0 );
res.transform( aTransform );
}
return res;
}
}
}
// xxx todo: tests
// switch (n % 4) {
// case 0:
// nType = DOUBLEFANWIPE;
// nSubType = FANOUTVERTICAL;
// break;
// case 1:
// nType = DOUBLEFANWIPE;
// nSubType = FANOUTHOR
// break;
// case 2:
// nType = DOUBLEFANWIPE;
// nSubType = FANINVERTICAL;
// break;
// case 3:
// nType = DOUBLEFANWIPE;
// nSubType = FANINHORIZONTAL;
// break;
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