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/matrix/b2dhommatrix.hxx> 29 #include <basegfx/point/b2dpoint.hxx> 30 #include <basegfx/numeric/ftools.hxx> 31 #include <basegfx/matrix/b2dhommatrixtools.hxx> 32 #include "transitiontools.hxx" 33 #include "zigzagwipe.hxx" 34 35 36 namespace slideshow { 37 namespace internal { 38 39 ZigZagWipe::ZigZagWipe( sal_Int32 nZigs ) : m_zigEdge( 1.0 / nZigs ) 40 { 41 const double d = m_zigEdge; 42 const double d2 = (d / 2.0); 43 m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, -d ) ); 44 m_stdZigZag.append( ::basegfx::B2DPoint( -1.0 - d, 1.0 + d ) ); 45 m_stdZigZag.append( ::basegfx::B2DPoint( -d, 1.0 + d ) ); 46 for ( sal_Int32 pos = (nZigs + 2); pos--; ) { 47 m_stdZigZag.append( ::basegfx::B2DPoint( 0.0, ((pos - 1) * d) + d2 ) ); 48 m_stdZigZag.append( ::basegfx::B2DPoint( -d, (pos - 1) * d ) ); 49 } 50 m_stdZigZag.setClosed(true); 51 } 52 53 ::basegfx::B2DPolyPolygon ZigZagWipe::operator () ( double t ) 54 { 55 ::basegfx::B2DPolyPolygon res(m_stdZigZag); 56 res.transform(basegfx::tools::createTranslateB2DHomMatrix((1.0 + m_zigEdge) * t, 0.0)); 57 return res; 58 } 59 60 ::basegfx::B2DPolyPolygon BarnZigZagWipe::operator () ( double t ) 61 { 62 ::basegfx::B2DPolyPolygon res( createUnitRect() ); 63 ::basegfx::B2DPolygon poly( m_stdZigZag ); 64 poly.flip(); 65 basegfx::B2DHomMatrix aTransform(basegfx::tools::createTranslateB2DHomMatrix( 66 (1.0 + m_zigEdge) * (1.0 - t) / 2.0, 0.0)); 67 poly.transform( aTransform ); 68 res.append( poly ); 69 aTransform.scale( -1.0, 1.0 ); 70 aTransform.translate( 1.0, m_zigEdge / 2.0 ); 71 poly = m_stdZigZag; 72 poly.transform( aTransform ); 73 res.append( poly ); 74 return res; 75 } 76 77 } 78 } 79