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/matrix/b2dhommatrix.hxx> 33 #include <basegfx/point/b2dpoint.hxx> 34 #include <basegfx/numeric/ftools.hxx> 35 #include <basegfx/matrix/b2dhommatrixtools.hxx> 36 #include "transitiontools.hxx" 37 #include "zigzagwipe.hxx" 38 39 40 namespace slideshow { 41 namespace internal { 42 43 ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs ) 44 { 45 const double d = m_zigEdge; 46 const double d2 = (d / 2.0); 47 m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) ); 48 m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) ); 49 m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) ); 50 for ( sal_Int32 pos = (nZigs + 2); pos--; ) { 51 m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) ); 52 m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) ); 53 } 54 m_stdZigZag.setClosed(true); 55 } 56 57 ::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t ) 58 { 59 ::basegfx::B2DPolyPolygon res(m_stdZigZag); 60 res.transform(basegfx::tools::createTranslateB2DHomMatrix((1.0 + m_zigEdge) * t, 0.0)); 61 return res; 62 } 63 64 ::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t ) 65 { 66 ::basegfx::B2DPolyPolygon res( createUnitRect() ); 67 ::basegfx::B2DPolygon poly( m_stdZigZag ); 68 poly.flip(); 69 basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix( 70 (1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0)); 71 poly.transform( aTransform ); 72 res.append( poly ); 73 aTransform.scale( -1.0, 1.0 ); 74 aTransform.translate( 1.0, m_zigEdge / 2.0 ); 75 poly = m_stdZigZag; 76 poly.transform( aTransform ); 77 res.append( poly ); 78 return res; 79 } 80 81 } 82 } 83