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/matrix/b2dhommatrixtools.hxx> 30 #include "transitiontools.hxx" 31 #include "clockwipe.hxx" 32 #include "fanwipe.hxx" 33 34 35 namespace slideshow { 36 namespace internal { 37 38 ::basegfx::B2DPolyPolygon FanWipe::operator () ( double t ) 39 { 40 ::basegfx::B2DPolyPolygon res; 41 ::basegfx::B2DPolygon poly( 42 ClockWipe::calcCenteredClock( 43 t / ((m_center && m_single) ? 2.0 : 4.0) ) ); 44 45 res.append( poly ); 46 // flip on y-axis: 47 poly.transform(basegfx::tools::createScaleB2DHomMatrix(-1.0, 1.0)); 48 poly.flip(); 49 res.append( poly ); 50 51 if (m_center) 52 { 53 res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5)); 54 55 if (! m_single) 56 res.append( flipOnXAxis(res) ); 57 } 58 else 59 { 60 OSL_ASSERT( ! m_fanIn ); 61 res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 1.0, 0.5, 1.0)); 62 } 63 return res; 64 } 65 66 } 67 } 68 69