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       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 "transitiontools.hxx"
      22                 :            : #include <basegfx/point/b2dpoint.hxx>
      23                 :            : #include <basegfx/polygon/b2dpolygon.hxx>
      24                 :            : #include <basegfx/polygon/b2dpolygontools.hxx>
      25                 :            : #include <basegfx/matrix/b2dhommatrix.hxx>
      26                 :            : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      27                 :            : 
      28                 :            : 
      29                 :            : namespace slideshow {
      30                 :            : namespace internal {
      31                 :            : 
      32                 :            : // TODO(Q2): Move this to basegfx
      33                 :          0 : ::basegfx::B2DPolygon createUnitRect()
      34                 :            : {
      35                 :            :     return ::basegfx::tools::createPolygonFromRect(
      36                 :            :         ::basegfx::B2DRectangle(0.0,0.0,
      37                 :          0 :                                 1.0,1.0 ) );
      38                 :            : }
      39                 :            : 
      40                 :          0 : ::basegfx::B2DPolyPolygon flipOnYAxis(
      41                 :            :     ::basegfx::B2DPolyPolygon const & polypoly )
      42                 :            : {
      43                 :          0 :     ::basegfx::B2DPolyPolygon res(polypoly);
      44                 :          0 :     res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(-1.0, 1.0, 1.0, 0.0));
      45                 :          0 :     res.flip();
      46                 :          0 :     return res;
      47                 :            : }
      48                 :            : 
      49                 :          0 : ::basegfx::B2DPolyPolygon flipOnXAxis(
      50                 :            :     ::basegfx::B2DPolyPolygon const & polypoly )
      51                 :            : {
      52                 :          0 :     ::basegfx::B2DPolyPolygon res(polypoly);
      53                 :          0 :     res.transform(basegfx::tools::createScaleTranslateB2DHomMatrix(1.0, -1.0, 0.0, 1.0));
      54                 :          0 :     res.flip();
      55                 :          0 :     return res;
      56                 :            : }
      57                 :            : 
      58                 :            : }
      59                 :            : }
      60                 :            : 
      61                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */