1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_slideshow.hxx" 26 27 #include <canvas/debug.hxx> 28 #include <basegfx/numeric/ftools.hxx> 29 #include <basegfx/matrix/b2dhommatrix.hxx> 30 #include <basegfx/point/b2dpoint.hxx> 31 #include <basegfx/matrix/b2dhommatrixtools.hxx> 32 #include "transitiontools.hxx" 33 #include "figurewipe.hxx" 34 35 36 namespace slideshow { 37 namespace internal { 38 39 ::basegfx::B2DPolyPolygon FigureWipe::operator () ( double t ) 40 { 41 ::basegfx::B2DPolyPolygon res(m_figure); 42 res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(t, t, 0.5, 0.5)); 43 return res; 44 } 45 46 FigureWipe * FigureWipe::createTriangleWipe() 47 { 48 const double s60 = sin( basegfx::deg2rad(60.0) ); 49 const double s30 = sin( basegfx::deg2rad(30.0) ); 50 ::basegfx::B2DPolygon figure; 51 figure.append( ::basegfx::B2DPoint( 0.5 + s30, 0.5 ) ); 52 figure.append( ::basegfx::B2DPoint( 0.0, -0.5 - s60 ) ); 53 figure.append( ::basegfx::B2DPoint( -0.5 - s30, 0.5 ) ); 54 figure.setClosed(true); 55 return new FigureWipe(figure); 56 } 57 58 FigureWipe * FigureWipe::createArrowHeadWipe() 59 { 60 const double s60 = sin( basegfx::deg2rad(60.0) ); 61 const double s30 = sin( basegfx::deg2rad(30.0) ); 62 const double off = s30; 63 ::basegfx::B2DPolygon figure; 64 figure.append( ::basegfx::B2DPoint( 0.5 + s30 + off, 0.5 + off ) ); 65 figure.append( ::basegfx::B2DPoint( 0.0, -0.5 - s60 ) ); 66 figure.append( ::basegfx::B2DPoint( -0.5 - s30 - off, 0.5 + off ) ); 67 figure.append( ::basegfx::B2DPoint( 0.0, 0.5 ) ); 68 figure.setClosed(true); 69 return new FigureWipe(figure); 70 } 71 72 FigureWipe * FigureWipe::createPentagonWipe() 73 { 74 const double s = sin( basegfx::deg2rad(18.0) ); 75 const double c = cos( basegfx::deg2rad(18.0) ); 76 ::basegfx::B2DPolygon figure; 77 figure.append( ::basegfx::B2DPoint( 0.5, 0.5 ) ); 78 figure.append( ::basegfx::B2DPoint( 0.5 + s, 0.5 - c ) ); 79 figure.append( ::basegfx::B2DPoint( 0.0, 0.5 - c - sin(basegfx::deg2rad(36.0)) ) ); 80 figure.append( ::basegfx::B2DPoint( -0.5 - s, 0.5 - c ) ); 81 figure.append( ::basegfx::B2DPoint( -0.5, 0.5 ) ); 82 figure.setClosed(true); 83 return new FigureWipe(figure); 84 } 85 86 FigureWipe * FigureWipe::createHexagonWipe() 87 { 88 const double s = sin( basegfx::deg2rad(30.0) ); 89 const double c = cos( basegfx::deg2rad(30.0) ); 90 ::basegfx::B2DPolygon figure; 91 figure.append( ::basegfx::B2DPoint( 0.5, c ) ); 92 figure.append( ::basegfx::B2DPoint( 0.5 + s, 0.0 ) ); 93 figure.append( ::basegfx::B2DPoint( 0.5, -c ) ); 94 figure.append( ::basegfx::B2DPoint( -0.5, -c ) ); 95 figure.append( ::basegfx::B2DPoint( -0.5 - s, 0.0 ) ); 96 figure.append( ::basegfx::B2DPoint( -0.5, c ) ); 97 figure.setClosed(true); 98 return new FigureWipe(figure); 99 } 100 101 FigureWipe * FigureWipe::createStarWipe( sal_Int32 nPoints ) 102 { 103 const double v = (M_PI / nPoints); 104 const ::basegfx::B2DPoint p_( 0.0, -M_SQRT2 ); 105 ::basegfx::B2DPolygon figure; 106 for ( sal_Int32 pos = 0; pos < nPoints; ++pos ) { 107 const double w = (pos * 2.0 * M_PI / nPoints); 108 ::basegfx::B2DHomMatrix aTransform; 109 ::basegfx::B2DPoint p(p_); 110 aTransform.rotate( -w ); 111 p *= aTransform; 112 figure.append(p); 113 p = p_; 114 aTransform.identity(); 115 aTransform.scale( 0.5, 0.5 ); 116 aTransform.rotate( -w - v ); 117 p *= aTransform; 118 figure.append(p); 119 } 120 figure.setClosed(true); 121 return new FigureWipe(figure); 122 } 123 124 } 125 } 126