LCOV - code coverage report
Current view: top level - libreoffice/slideshow/source/engine/transitions - clippingfunctor.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 1 0.0 %
Date: 2012-12-27 Functions: 0 1 0.0 %
Legend: Lines: hit not hit

          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             : #ifndef INCLUDED_SLIDESHOW_CLIPPINGFUNCTOR_HXX
      21             : #define INCLUDED_SLIDESHOW_CLIPPINGFUNCTOR_HXX
      22             : 
      23             : #include <basegfx/numeric/ftools.hxx>
      24             : #include <basegfx/vector/b2dsize.hxx>
      25             : #include <basegfx/matrix/b2dhommatrix.hxx>
      26             : #include <basegfx/polygon/b2dpolypolygontools.hxx>
      27             : #include <transitioninfo.hxx>
      28             : #include <parametricpolypolygon.hxx>
      29             : 
      30             : 
      31             : namespace slideshow
      32             : {
      33             :     namespace internal
      34             :     {
      35             :         /** Generates the final clipping polygon.
      36             : 
      37             :             This class serves as the functor, which generates the
      38             :             final clipping polygon from a given ParametricPolyPolygon
      39             :             and a TransitionInfo.
      40             : 
      41             :             The ParametricPolyPolygon can be obtained from the
      42             :             ParametricPolyPolygonFactory, see there.
      43             : 
      44             :             The TransitionInfo further parameterizes the polygon
      45             :             generated by the ParametricPolyPolygon, with common
      46             :             modifications such as rotation, flipping, or change of
      47             :             direction. This allows the ParametricPolyPolygonFactory to
      48             :             provide only prototypical shapes, with the ClippingFunctor
      49             :             further customizing the output.
      50             :          */
      51           0 :         class ClippingFunctor
      52             :         {
      53             :         public:
      54             :             ClippingFunctor(
      55             :                 const ParametricPolyPolygonSharedPtr&   rPolygon,
      56             :                 const TransitionInfo&                   rTransitionInfo,
      57             :                 bool                                    bDirectionForward,
      58             :                 bool                                    bModeIn );
      59             : 
      60             :             /** Generate clip polygon.
      61             : 
      62             :                 @param nValue
      63             :                 Value to generate the polygon for. Must be in the
      64             :                 range [0,1].
      65             : 
      66             :                 @param rTargetSize
      67             :                 Size the clip polygon should cover. This is typically
      68             :                 the size of the object the effect is applied on.
      69             :              */
      70             :             ::basegfx::B2DPolyPolygon operator()( double                    nValue,
      71             :                                                   const ::basegfx::B2DSize& rTargetSize );
      72             : 
      73             :         private:
      74             :             ParametricPolyPolygonSharedPtr     mpParametricPoly;
      75             :             ::basegfx::B2DHomMatrix            maStaticTransformation;
      76             :             // AW: Not needed
      77             :             // ::basegfx::B2DPolyPolygon          maBackgroundRect;
      78             :             bool                               mbForwardParameterSweep;
      79             :             bool                               mbSubtractPolygon;
      80             :             const bool                         mbScaleIsotrophically;
      81             :             bool                               mbFlip;
      82             :         };
      83             : 
      84             :     }
      85             : }
      86             : 
      87             : #endif /* INCLUDED_SLIDESHOW_CLIPPINGFUNCTOR_HXX */
      88             : 
      89             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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