89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: zigzagwipe.cxx,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: rt $ $Date: 2005-09-07 21:02:28 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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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 2005 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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#include "zigzagwipe.hxx"
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#include "canvas/debug.hxx"
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#include "transitiontools.hxx"
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#include "basegfx/matrix/b2dhommatrix.hxx"
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#include "basegfx/point/b2dpoint.hxx"
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// #include "basegfx/numeric/ftools.hxx"
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namespace presentation {
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namespace internal {
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ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs )
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{
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const double d = m_zigEdge;
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const double d2 = (d / 2.0);
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m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) );
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m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) );
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m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) );
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for ( sal_Int32 pos = (nZigs + 2); pos--; ) {
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m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) );
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m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) );
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}
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m_stdZigZag.setClosed(true);
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}
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::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t )
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{
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::basegfx::B2DHomMatrix aTransform;
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aTransform.translate( (1.0 + m_zigEdge) * t, 0.0 );
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::basegfx::B2DPolyPolygon res(m_stdZigZag);
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res.transform( aTransform );
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return res;
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}
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::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t )
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{
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::basegfx::B2DPolyPolygon res( createUnitRect() );
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::basegfx::B2DPolygon poly( m_stdZigZag );
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poly.flip();
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::basegfx::B2DHomMatrix aTransform;
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aTransform.translate( (1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0 );
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poly.transform( aTransform );
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res.append( poly );
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aTransform.scale( -1.0, 1.0 );
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aTransform.translate( 1.0, m_zigEdge / 2.0 );
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poly = m_stdZigZag;
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poly.transform( aTransform );
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res.append( poly );
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return res;
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}
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}
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}
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