svx/source/sdr/contact/viewobjectcontactofgroup.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.
   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 <svx/sdr/contact/viewobjectcontactofgroup.hxx>
  22 #include <svx/sdr/contact/displayinfo.hxx>
  23 #include <svx/sdr/contact/objectcontact.hxx>
  24 #include <basegfx/numeric/ftools.hxx>
  25 #include <drawinglayer/primitive2d/groupprimitive2d.hxx>
  26 #include <basegfx/tools/canvastools.hxx>
  27 #include <svx/sdr/contact/viewcontact.hxx>
  28 #include <svx/svdobj.hxx>
  29
  30 //////////////////////////////////////////////////////////////////////////////
  31
  32 using namespace com::sun::star;
  33
  34 //////////////////////////////////////////////////////////////////////////////
  35
  36 namespace sdr
  37 {
  38     namespace contact
  39     {
  40         ViewObjectContactOfGroup::ViewObjectContactOfGroup(ObjectContact& rObjectContact, ViewContact& rViewContact)
  41         :   ViewObjectContactOfSdrObj(rObjectContact, rViewContact)
  42         {
  43         }
  44
  45         ViewObjectContactOfGroup::~ViewObjectContactOfGroup()
  46         {
  47         }
  48
  49         drawinglayer::primitive2d::Primitive2DSequence ViewObjectContactOfGroup::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
  50         {
  51             drawinglayer::primitive2d::Primitive2DSequence xRetval;
  52
  53             // check model-view visibility
  54             if(isPrimitiveVisible(rDisplayInfo))
  55             {
  56                 const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
  57
  58                 if(nSubHierarchyCount)
  59                 {
  60                     const sal_Bool bDoGhostedDisplaying(
  61                         GetObjectContact().DoVisualizeEnteredGroup()
  62                         && !GetObjectContact().isOutputToPrinter()
  63                         && GetObjectContact().getActiveViewContact() == &GetViewContact());
  64
  65                     if(bDoGhostedDisplaying)
  66                     {
  67                         rDisplayInfo.ClearGhostedDrawMode();
  68                     }
  69
  70                     // create object hierarchy
  71                     xRetval = getPrimitive2DSequenceSubHierarchy(rDisplayInfo);
  72
  73                     if(xRetval.hasElements())
  74                     {
  75                         // get ranges
  76                         const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
  77                         const ::basegfx::B2DRange aObjectRange(drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(xRetval, rViewInformation2D));
  78                         const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
  79
  80                         // check geometrical visibility
  81                         if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
  82                         {
  83                             // not visible, release
  84                             xRetval.realloc(0);
  85                         }
  86                     }
  87
  88                     if(bDoGhostedDisplaying)
  89                     {
  90                         rDisplayInfo.SetGhostedDrawMode();
  91                     }
  92                 }
  93                 else
  94                 {
  95                     // draw replacement object for group. This will use ViewContactOfGroup::createViewIndependentPrimitive2DSequence
  96                     // which creates the replacement primitives for an empty group
  97                     xRetval = ViewObjectContactOfSdrObj::getPrimitive2DSequenceHierarchy(rDisplayInfo);
  98                 }
  99             }
 100             return xRetval;
 101         }
 102
 103         bool ViewObjectContactOfGroup::isPrimitiveVisibleOnAnyLayer(const SetOfByte& aLayers) const
 104         {
 105             SetOfByte aObjectLayers;
 106             getSdrObject().getMergedHierarchyLayerSet(aObjectLayers);
 107             aObjectLayers &= aLayers;
 108             return !aObjectLayers.IsEmpty();
 109         }
 110     } // end of namespace contact
 111 } // end of namespace sdr
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */