Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include <canvas/debug.hxx>
      22             : #include <basegfx/matrix/b2dhommatrix.hxx>
      23             : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      24             : #include "transitiontools.hxx"
      25             : #include "clockwipe.hxx"
      26             : #include "fanwipe.hxx"
      27             : 
      28             : 
      29             : namespace slideshow {
      30             : namespace internal {
      31             : 
      32           0 : ::basegfx::B2DPolyPolygon FanWipe::operator () ( double t )
      33             : {
      34           0 :     ::basegfx::B2DPolyPolygon res;
      35             :     ::basegfx::B2DPolygon poly(
      36             :         ClockWipe::calcCenteredClock(
      37           0 :             t / ((m_center && m_single) ? 2.0 : 4.0) ) );
      38             : 
      39           0 :     res.append( poly );
      40             :     // flip on y-axis:
      41           0 :     poly.transform(basegfx::tools::createScaleB2DHomMatrix(-1.0, 1.0));
      42           0 :     poly.flip();
      43           0 :     res.append( poly );
      44             : 
      45           0 :     if (m_center)
      46             :     {
      47           0 :         res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 0.5, 0.5, 0.5));
      48             : 
      49           0 :         if (! m_single)
      50           0 :             res.append( flipOnXAxis(res) );
      51             :     }
      52             :     else
      53             :     {
      54             :         OSL_ASSERT( ! m_fanIn );
      55           0 :         res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(0.5, 1.0, 0.5, 1.0));
      56             :     }
      57           0 :     return res;
      58             : }
      59             : 
      60             : }
      61             : }
      62             : 
      63             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */