401ccf7faa
2006/10/18 20:00:19 thb 1.3.18.3: RESYNC: (1.3-1.4); FILE MERGED 2006/04/24 13:25:35 thb 1.3.18.2: #i53194# Unified include statements (local headers always have double quotes; external headers angle brackets); reverted EventMultiplexer pause events to shared_ptr; removed EventMultiplexer::removeViewHandler(), since the handler is held weakly, anyway. 2006/03/24 18:23:28 thb 1.3.18.1: #i37778# Moved whole slideshow engine from namespace presentation (which conflicts with one of the UNO subnamespaces) to slideshow
87 lines
3.2 KiB
C++
87 lines
3.2 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: waterfallwipe.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: kz $ $Date: 2006-12-13 15:49:07 $
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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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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_slideshow.hxx"
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#include <canvas/debug.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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#include "waterfallwipe.hxx"
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#include "transitiontools.hxx"
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namespace slideshow {
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namespace internal {
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WaterfallWipe::WaterfallWipe( sal_Int32 nElements, bool flipOnYAxis )
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: m_flipOnYAxis( flipOnYAxis )
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{
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const sal_Int32 sqrtElements = static_cast<sal_Int32>(
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sqrt( static_cast<double>(nElements) ) );
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const double elementEdge = (1.0 / sqrtElements);
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m_waterfall.append( ::basegfx::B2DPoint( 0.0, -1.0 ) );
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for ( sal_Int32 pos = sqrtElements; pos--; )
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{
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const sal_Int32 xPos = (sqrtElements - pos - 1);
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const double yPos = ::basegfx::pruneScaleValue( ((pos + 1) * elementEdge) - 1.0 );
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m_waterfall.append( ::basegfx::B2DPoint(
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::basegfx::pruneScaleValue( xPos * elementEdge ),
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yPos ) );
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m_waterfall.append( ::basegfx::B2DPoint(
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::basegfx::pruneScaleValue( (xPos + 1) * elementEdge ),
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yPos ) );
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}
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m_waterfall.append( ::basegfx::B2DPoint( 1.0, -1.0 ) );
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m_waterfall.setClosed(true);
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}
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::basegfx::B2DPolyPolygon WaterfallWipe::operator () ( double t )
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{
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::basegfx::B2DPolygon poly( m_waterfall );
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::basegfx::B2DHomMatrix aTransform;
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aTransform.translate( 0.0, ::basegfx::pruneScaleValue( 2.0 * t ) );
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poly.transform( aTransform );
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poly.setB2DPoint( 0, ::basegfx::B2DPoint( 0.0, -1.0 ) );
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poly.setB2DPoint( poly.count()-1, ::basegfx::B2DPoint( 1.0, -1.0 ) );
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return m_flipOnYAxis ? flipOnYAxis( ::basegfx::B2DPolyPolygon(poly) )
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: ::basegfx::B2DPolyPolygon(poly);
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}
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}
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}
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