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INTEGRATION: CWS presentationengine01 (1.1.2); FILE ADDED

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2004/11/06 19:58:01 thb 1.1.2.3: #110496# Moved pruneScaleValue to basegfx
2004/08/20 17:02:38 dbo 1.1.2.2: #110496# adopted polygon clipping order, added snake wipe, parallel snake wipe
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2004/08/11 17:02:09 dbo 1.1.2.1: #110496# more transitions, modified file/class structure
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Rüdiger Timm 2004-11-26 18:03:06 +00:00
parent a968574c54
commit e212beedc8
1 changed files with 96 additions and 0 deletions
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slideshow/source/engine/transitions/checkerboardwipe.cxx Normal file
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/*************************************************************************
*
* $RCSfile: checkerboardwipe.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2004-11-26 19:03:06 $
*
* 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 "canvas/debug.hxx"
#include "checkerboardwipe.hxx"
#include "basegfx/matrix/b2dhommatrix.hxx"
namespace presentation {
namespace internal {
::basegfx::B2DPolyPolygon CheckerBoardWipe::operator () ( double t )
{
const double d = (1.0 / m_unitsPerEdge);
::basegfx::B2DHomMatrix aTransform;
aTransform.scale( ::basegfx::pruneScaleValue( d * 2.0 * t ),
::basegfx::pruneScaleValue( d ) );
::basegfx::B2DPolyPolygon res;
for ( sal_Int32 i = m_unitsPerEdge; i--; )
{
::basegfx::B2DHomMatrix t( aTransform );
if ((i % 2) == 1) // odd line
t.translate( -d, 0.0 );
for ( sal_Int32 j = (m_unitsPerEdge / 2) + 1; j--; )
{
::basegfx::B2DPolyPolygon poly( m_unitRect );
poly.transform( t );
res.append( poly );
t.translate( d * 2.0, 0.0 );
}
aTransform.translate( 0.0, d ); // next line
}
return res;
}
}
}