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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: figurewipe.cxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
* ************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_slideshow.hxx"
#include <canvas/debug.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include "transitiontools.hxx"
#include "figurewipe.hxx"
namespace slideshow {
namespace internal {
::basegfx::B2DPolyPolygon FigureWipe::operator () ( double t )
{
::basegfx::B2DPolyPolygon res(m_figure);
res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(t, t, 0.5, 0.5));
return res;
}
FigureWipe * FigureWipe::createTriangleWipe()
{
const double s60 = sin( basegfx::deg2rad(60.0) );
const double s30 = sin( basegfx::deg2rad(30.0) );
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0.5 + s30, 0.5 ) );
figure.append( ::basegfx::B2DPoint( 0.0, -0.5 - s60 ) );
figure.append( ::basegfx::B2DPoint( -0.5 - s30, 0.5 ) );
figure.setClosed(true);
return new FigureWipe(figure);
}
FigureWipe * FigureWipe::createArrowHeadWipe()
{
const double s60 = sin( basegfx::deg2rad(60.0) );
const double s30 = sin( basegfx::deg2rad(30.0) );
const double off = s30;
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0.5 + s30 + off, 0.5 + off ) );
figure.append( ::basegfx::B2DPoint( 0.0, -0.5 - s60 ) );
figure.append( ::basegfx::B2DPoint( -0.5 - s30 - off, 0.5 + off ) );
figure.append( ::basegfx::B2DPoint( 0.0, 0.5 ) );
figure.setClosed(true);
return new FigureWipe(figure);
}
FigureWipe * FigureWipe::createPentagonWipe()
{
const double s = sin( basegfx::deg2rad(18.0) );
const double c = cos( basegfx::deg2rad(18.0) );
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0.5, 0.5 ) );
figure.append( ::basegfx::B2DPoint( 0.5 + s, 0.5 - c ) );
figure.append( ::basegfx::B2DPoint( 0.0, 0.5 - c - sin(basegfx::deg2rad(36.0)) ) );
figure.append( ::basegfx::B2DPoint( -0.5 - s, 0.5 - c ) );
figure.append( ::basegfx::B2DPoint( -0.5, 0.5 ) );
figure.setClosed(true);
return new FigureWipe(figure);
}
FigureWipe * FigureWipe::createHexagonWipe()
{
const double s = sin( basegfx::deg2rad(30.0) );
const double c = cos( basegfx::deg2rad(30.0) );
::basegfx::B2DPolygon figure;
figure.append( ::basegfx::B2DPoint( 0.5, c ) );
figure.append( ::basegfx::B2DPoint( 0.5 + s, 0.0 ) );
figure.append( ::basegfx::B2DPoint( 0.5, -c ) );
figure.append( ::basegfx::B2DPoint( -0.5, -c ) );
figure.append( ::basegfx::B2DPoint( -0.5 - s, 0.0 ) );
figure.append( ::basegfx::B2DPoint( -0.5, c ) );
figure.setClosed(true);
return new FigureWipe(figure);
}
FigureWipe * FigureWipe::createStarWipe( sal_Int32 nPoints )
{
const double v = (M_PI / nPoints);
const ::basegfx::B2DPoint p_( 0.0, -M_SQRT2 );
::basegfx::B2DPolygon figure;
for ( sal_Int32 pos = 0; pos < nPoints; ++pos ) {
const double w = (pos * 2.0 * M_PI / nPoints);
::basegfx::B2DHomMatrix aTransform;
::basegfx::B2DPoint p(p_);
aTransform.rotate( -w );
p *= aTransform;
figure.append(p);
p = p_;
aTransform.identity();
aTransform.scale( 0.5, 0.5 );
aTransform.rotate( -w - v );
p *= aTransform;
figure.append(p);
}
figure.setClosed(true);
return new FigureWipe(figure);
}
}
}
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