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/numeric/ftools.hxx>
      24             : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      25             : #include "clockwipe.hxx"
      26             : #include "sweepwipe.hxx"
      27             : #include "transitiontools.hxx"
      28             : 
      29             : 
      30             : namespace slideshow {
      31             : namespace internal {
      32             : 
      33           0 : ::basegfx::B2DPolyPolygon SweepWipe::operator () ( double t )
      34             : {
      35           0 :     t /= 2.0;
      36           0 :     if (! m_center)
      37           0 :         t /= 2.0;
      38           0 :     if (!m_single && !m_oppositeVertical)
      39           0 :         t /= 2.0;
      40             : 
      41           0 :     ::basegfx::B2DPolygon poly( ClockWipe::calcCenteredClock( 0.25 + t ) );
      42           0 :     ::basegfx::B2DHomMatrix aTransform;
      43             : 
      44           0 :     if (m_center)
      45             :     {
      46           0 :         aTransform = basegfx::tools::createTranslateB2DHomMatrix(0.5, 0.0);
      47           0 :         poly.transform( aTransform );
      48             :     }
      49           0 :     ::basegfx::B2DPolyPolygon res(poly);
      50             : 
      51           0 :     if (! m_single)
      52             :     {
      53           0 :         if (m_oppositeVertical)
      54             :         {
      55           0 :             aTransform = basegfx::tools::createScaleB2DHomMatrix(1.0, -1.0);
      56           0 :             aTransform.translate( 0.0, 1.0 );
      57           0 :             poly.transform( aTransform );
      58           0 :             poly.flip();
      59             :         }
      60             :         else
      61             :         {
      62           0 :             aTransform = basegfx::tools::createTranslateB2DHomMatrix(-0.5, -0.5);
      63           0 :             aTransform.rotate( M_PI );
      64           0 :             aTransform.translate( 0.5, 0.5 );
      65           0 :             poly.transform( aTransform );
      66             :         }
      67           0 :         res.append(poly);
      68             :     }
      69             : 
      70           0 :     return m_flipOnYAxis ? flipOnYAxis(res) : res;
      71             : }
      72             : 
      73             : }
      74             : }
      75             : 
      76             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */