e212beedc8
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 Issue number: Submitted by: Reviewed by: 2004/08/11 17:02:09 dbo 1.1.2.1: #110496# more transitions, modified file/class structure Issue number: Submitted by: Reviewed by:
97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/*************************************************************************
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*
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* $RCSfile: checkerboardwipe.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2004-11-26 19:03:06 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include "canvas/debug.hxx"
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#include "checkerboardwipe.hxx"
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#include "basegfx/matrix/b2dhommatrix.hxx"
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namespace presentation {
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namespace internal {
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::basegfx::B2DPolyPolygon CheckerBoardWipe::operator () ( double t )
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{
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const double d = (1.0 / m_unitsPerEdge);
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::basegfx::B2DHomMatrix aTransform;
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aTransform.scale( ::basegfx::pruneScaleValue( d * 2.0 * t ),
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::basegfx::pruneScaleValue( d ) );
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::basegfx::B2DPolyPolygon res;
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for ( sal_Int32 i = m_unitsPerEdge; i--; )
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{
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::basegfx::B2DHomMatrix t( aTransform );
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if ((i % 2) == 1) // odd line
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t.translate( -d, 0.0 );
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for ( sal_Int32 j = (m_unitsPerEdge / 2) + 1; j--; )
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{
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::basegfx::B2DPolyPolygon poly( m_unitRect );
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poly.transform( t );
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res.append( poly );
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t.translate( d * 2.0, 0.0 );
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}
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aTransform.translate( 0.0, d ); // next line
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}
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return res;
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}
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}
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}
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