Files
libreoffice/slideshow/source/engine/transitions/zigzagwipe.cxx
Rüdiger Timm 255f94706c INTEGRATION: CWS presentationengine01 (1.1.2); FILE ADDED
2004/09/17 11:26:30 dbo 1.1.2.1: #110496# added ZigZagWipe, BarnZigZagWipe
Issue number:
Submitted by:
Reviewed by:
2004-11-26 18:11:14 +00:00

115 lines
4.0 KiB
C++

/*************************************************************************
*
* $RCSfile: zigzagwipe.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2004-11-26 19:11:04 $
*
* 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 "zigzagwipe.hxx"
#include "canvas/debug.hxx"
#include "transitiontools.hxx"
#include "basegfx/matrix/b2dhommatrix.hxx"
#include "basegfx/point/b2dpoint.hxx"
// #include "basegfx/numeric/ftools.hxx"
namespace presentation {
namespace internal {
ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs )
{
const double d = m_zigEdge;
const double d2 = (d / 2.0);
m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) );
m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) );
m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) );
for ( sal_Int32 pos = (nZigs + 2); pos--; ) {
m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) );
m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) );
}
m_stdZigZag.setClosed(true);
}
::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t )
{
::basegfx::B2DHomMatrix aTransform;
aTransform.translate( (1.0 + m_zigEdge) * t, 0.0 );
::basegfx::B2DPolyPolygon res(m_stdZigZag);
res.transform( aTransform );
return res;
}
::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t )
{
::basegfx::B2DPolyPolygon res( createUnitRect() );
::basegfx::B2DPolygon poly( m_stdZigZag );
poly.flip();
::basegfx::B2DHomMatrix aTransform;
aTransform.translate( (1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0 );
poly.transform( aTransform );
res.append( poly );
aTransform.scale( -1.0, 1.0 );
aTransform.translate( 1.0, m_zigEdge / 2.0 );
poly = m_stdZigZag;
poly.transform( aTransform );
res.append( poly );
return res;
}
}
}