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/polygon/b2dpolypolygon.hxx> 34 #include <basegfx/numeric/ftools.hxx> 35 #include <basegfx/matrix/b2dhommatrixtools.hxx> 36 #include "fourboxwipe.hxx" 37 38 39 namespace slideshow { 40 namespace internal { 41 42 ::basegfx::B2DPolyPolygon FourBoxWipe::operator () ( double t ) 43 { 44 ::basegfx::B2DHomMatrix aTransform; 45 const double d = ::basegfx::pruneScaleValue( t / 2.0 ); 46 if (m_cornersOut) 47 { 48 aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5); 49 aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.25, -0.25) 50 * aTransform; 51 } 52 else 53 { 54 aTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(d, d, -0.5, -0.5); 55 } 56 57 // top left: 58 ::basegfx::B2DPolygon square( m_unitRect ); 59 square.transform( aTransform ); 60 ::basegfx::B2DPolyPolygon res( square ); 61 // bottom left, flip on x-axis: 62 aTransform.scale( -1.0, 1.0 ); 63 ::basegfx::B2DPolygon square2( m_unitRect ); 64 square2.transform( aTransform ); 65 square2.flip(); // flip direction 66 res.append( square2 ); 67 // bottom right, flip on y-axis: 68 aTransform.scale( 1.0, -1.0 ); 69 ::basegfx::B2DPolygon square3( m_unitRect ); 70 square3.transform( aTransform ); 71 res.append( square3 ); 72 // top right, flip on x-axis: 73 aTransform.scale( -1.0, 1.0 ); 74 ::basegfx::B2DPolygon square4( m_unitRect ); 75 square4.transform( aTransform ); 76 square4.flip(); // flip direction 77 res.append( square4 ); 78 79 aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.5); 80 res.transform( aTransform ); 81 return res; 82 } 83 84 } 85 } 86