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/numeric/ftools.hxx> 30 #include <basegfx/matrix/b2dhommatrixtools.hxx> 31 #include "clockwipe.hxx" 32 #include "sweepwipe.hxx" 33 #include "transitiontools.hxx" 34 35 36 namespace slideshow { 37 namespace internal { 38 39 ::basegfx::B2DPolyPolygon SweepWipe::operator () ( double t ) 40 { 41 t /= 2.0; 42 if (! m_center) 43 t /= 2.0; 44 if (!m_single && !m_oppositeVertical) 45 t /= 2.0; 46 47 ::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( 0.25 + t ) ); 48 ::basegfx::B2DHomMatrix aTransform; 49 50 if (m_center) 51 { 52 aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.0); 53 poly.transform( aTransform ); 54 } 55 ::basegfx::B2DPolyPolygon res(poly); 56 57 if (! m_single) 58 { 59 if (m_oppositeVertical) 60 { 61 aTransform = basegfx::tools::createScaleB2DHomMatrix(1.0, -1.0); 62 aTransform.translate( 0.0, 1.0 ); 63 poly.transform( aTransform ); 64 poly.flip(); 65 } 66 else 67 { 68 aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5); 69 aTransform.rotate( M_PI ); 70 aTransform.translate( 0.5, 0.5 ); 71 poly.transform( aTransform ); 72 } 73 res.append(poly); 74 } 75 76 return m_flipOnYAxis ? flipOnYAxis(res) : res; 77 } 78 79 } 80 } 81