drawinglayer/source/processor2d/objectinfoextractor2d.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #include <drawinglayer/processor2d/objectinfoextractor2d.hxx>
  21 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  22 #include <drawinglayer/primitive2d/objectinfoprimitive2d.hxx>
  23
  24 using namespace com::sun::star;
  25
  26 namespace drawinglayer::processor2d
  27 {
  28         void ObjectInfoPrimitiveExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
  29         {
  30             if(mpFound)
  31                 return;
  32
  33             switch(rCandidate.getPrimitive2DID())
  34             {
  35                 case PRIMITIVE2D_ID_OBJECTINFOPRIMITIVE2D :
  36                 {
  37                     mpFound = dynamic_cast< const primitive2d::ObjectInfoPrimitive2D* >(&rCandidate);
  38                     break;
  39                 }
  40                 default :
  41                 {
  42                     // we look for an encapsulated primitive, so do not decompose primitives
  43                     // based on GroupPrimitive2D, just visit their children. It may be that more
  44                     // group-like primitives need to be added here, but all primitives with
  45                     // grouping functionality should be implemented based on the GroupPrimitive2D
  46                     // class and have their main content accessible as children
  47                     const primitive2d::GroupPrimitive2D* pGroupPrimitive2D = dynamic_cast< const primitive2d::GroupPrimitive2D* >(&rCandidate);
  48
  49                     if(pGroupPrimitive2D)
  50                     {
  51                         // process group children recursively
  52                         process(pGroupPrimitive2D->getChildren());
  53                     }
  54                     else
  55                     {
  56                         // do not process recursively, we *only* want to find existing
  57                         // ObjectInfoPrimitive2D entries
  58                     }
  59
  60                     break;
  61                 }
  62             }
  63         }
  64
  65         ObjectInfoPrimitiveExtractor2D::ObjectInfoPrimitiveExtractor2D(const geometry::ViewInformation2D& rViewInformation)
  66         :   BaseProcessor2D(rViewInformation),
  67             mpFound(nullptr)
  68         {
  69         }
  70
  71         ObjectInfoPrimitiveExtractor2D::~ObjectInfoPrimitiveExtractor2D()
  72         {
  73         }
  74
  75 } // end of namespace
  76
  77 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */