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libreoffice/slideshow/source/engine/transitions/sweepwipe.cxx
Rüdiger Timm db2fc99d38 INTEGRATION: CWS ooo19126 (1.2.42); FILE MERGED
2005/09/05 17:41:30 rt 1.2.42.1: #i54170# Change license header: remove SISSL
2005-09-07 19:59:57 +00:00

85 lines
2.6 KiB
C++

/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: sweepwipe.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-07 20:59:57 $
*
* 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 "clockwipe.hxx"
#include "sweepwipe.hxx"
#include "transitiontools.hxx"
#include "basegfx/matrix/b2dhommatrix.hxx"
#include "basegfx/numeric/ftools.hxx"
namespace presentation {
namespace internal {
::basegfx::B2DPolyPolygon SweepWipe::operator () ( double t )
{
t /= 2.0;
if (! m_center)
t /= 2.0;
if (!m_single && !m_oppositeVertical)
t /= 2.0;
::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( 0.25 + t ) );
::basegfx::B2DHomMatrix aTransform;
if (m_center) {
aTransform.translate( 0.5, 0.0 );
poly.transform( aTransform );
}
::basegfx::B2DPolyPolygon res(poly);
if (! m_single) {
aTransform.identity();
if (m_oppositeVertical) {
aTransform.scale( 1.0, -1.0 );
aTransform.translate( 0.0, 1.0 );
poly.transform( aTransform );
poly.flip();
}
else {
aTransform.translate( -0.5, -0.5 );
aTransform.rotate( F_PI );
aTransform.translate( 0.5, 0.5 );
poly.transform( aTransform );
}
res.append(poly);
}
return m_flipOnYAxis ? flipOnYAxis(res) : res;
}
}
}