107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
|
/*************************************************************************
|
||
|
|
*
|
||
|
|
* $RCSfile: clockwipe.cxx,v $
|
||
|
|
*
|
||
|
|
* $Revision: 1.2 $
|
||
|
|
*
|
||
|
|
* last change: $Author: rt $ $Date: 2004-11-26 19:03:50 $
|
||
|
|
*
|
||
|
|
* 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 "clockwipe.hxx"
|
||
|
|
#include "basegfx/matrix/b2dhommatrix.hxx"
|
||
|
|
#include "basegfx/point/b2dpoint.hxx"
|
||
|
|
#include "basegfx/numeric/ftools.hxx"
|
||
|
|
|
||
|
|
|
||
|
|
namespace presentation {
|
||
|
|
namespace internal {
|
||
|
|
|
||
|
|
::basegfx::B2DPolygon ClockWipe::calcCenteredClock( double t, double e )
|
||
|
|
{
|
||
|
|
::basegfx::B2DPolygon poly;
|
||
|
|
::basegfx::B2DHomMatrix aTransform;
|
||
|
|
aTransform.rotate( t * F_2PI );
|
||
|
|
const double MAX_EDGE = 2.0;
|
||
|
|
::basegfx::B2DPoint p( 0.0, -MAX_EDGE );
|
||
|
|
p *= aTransform;
|
||
|
|
poly.append( p );
|
||
|
|
if (t >= 0.875)
|
||
|
|
poly.append( ::basegfx::B2DPoint( -e, -e ) );
|
||
|
|
if (t >= 0.625)
|
||
|
|
poly.append( ::basegfx::B2DPoint( -e, e ) );
|
||
|
|
if (t >= 0.375)
|
||
|
|
poly.append( ::basegfx::B2DPoint( e, e ) );
|
||
|
|
if (t >= 0.125)
|
||
|
|
poly.append( ::basegfx::B2DPoint( e, -e ) );
|
||
|
|
poly.append( ::basegfx::B2DPoint( 0.0, -e ) );
|
||
|
|
poly.append( ::basegfx::B2DPoint( 0.0, 0.0 ) );
|
||
|
|
poly.setClosed(true);
|
||
|
|
return poly;
|
||
|
|
}
|
||
|
|
|
||
|
|
::basegfx::B2DPolyPolygon ClockWipe::operator () ( double t )
|
||
|
|
{
|
||
|
|
::basegfx::B2DHomMatrix aTransform;
|
||
|
|
aTransform.scale( 0.5, 0.5 );
|
||
|
|
aTransform.translate( 0.5, 0.5 );
|
||
|
|
::basegfx::B2DPolygon poly( calcCenteredClock(t) );
|
||
|
|
poly.transform( aTransform );
|
||
|
|
return ::basegfx::B2DPolyPolygon(poly);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|