1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_slideshow.hxx" 30 31 #include <canvas/debug.hxx> 32 #include <basegfx/numeric/ftools.hxx> 33 #include <basegfx/polygon/b2dpolygontools.hxx> 34 #include "ellipsewipe.hxx" 35 #include "transitiontools.hxx" 36 37 38 namespace slideshow { 39 namespace internal { 40 41 ::basegfx::B2DPolyPolygon EllipseWipe::operator () ( double t ) 42 { 43 // currently only circle: 44 ::basegfx::B2DPolygon poly( 45 ::basegfx::tools::createPolygonFromCircle( 46 ::basegfx::B2DPoint( 0.5, 0.5 ), 47 ::basegfx::pruneScaleValue( t * M_SQRT2 / 2.0 ) ) ); 48 return ::basegfx::B2DPolyPolygon( poly ); 49 } 50 51 } 52 } 53