svx/source/sdr/contact/viewcontactofgroup.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 #include <svx/sdr/contact/viewcontactofgroup.hxx>
  21 #include <svx/svdogrp.hxx>
  22 #include <svx/svdpage.hxx>
  23 #include <svx/sdr/contact/viewobjectcontact.hxx>
  24 #include <svx/sdr/contact/viewobjectcontactofgroup.hxx>
  25 #include <basegfx/polygon/b2dpolygon.hxx>
  26 #include <basegfx/polygon/b2dpolygontools.hxx>
  27 #include <basegfx/color/bcolor.hxx>
  28 #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
  29 #include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
  30
  31 //////////////////////////////////////////////////////////////////////////////
  32
  33 namespace sdr
  34 {
  35     namespace contact
  36     {
  37         // Create a Object-Specific ViewObjectContact, set ViewContact and
  38         // ObjectContact. Always needs to return something.
  39         ViewObjectContact& ViewContactOfGroup::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
  40         {
  41             ViewObjectContact* pRetval = new ViewObjectContactOfGroup(rObjectContact, *this);
  42             DBG_ASSERT(pRetval, "ViewContactOfGroup::CreateObjectSpecificViewObjectContact() failed (!)");
  43
  44             return *pRetval;
  45         }
  46
  47         ViewContactOfGroup::ViewContactOfGroup(SdrObjGroup& rGroup)
  48         :   ViewContactOfSdrObj(rGroup)
  49         {
  50         }
  51
  52         ViewContactOfGroup::~ViewContactOfGroup()
  53         {
  54         }
  55
  56         drawinglayer::primitive2d::Primitive2DSequence ViewContactOfGroup::createViewIndependentPrimitive2DSequence() const
  57         {
  58             drawinglayer::primitive2d::Primitive2DSequence xRetval;
  59             const sal_uInt32 nObjectCount(GetObjectCount());
  60
  61             if(nObjectCount)
  62             {
  63                 // collect all sub-primitives
  64                 for(sal_uInt32 a(0); a < nObjectCount; a++)
  65                 {
  66                     const ViewContact& rCandidate(GetViewContact(a));
  67                     const drawinglayer::primitive2d::Primitive2DSequence aCandSeq(rCandidate.getViewIndependentPrimitive2DSequence());
  68
  69                     drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(xRetval, aCandSeq);
  70                 }
  71             }
  72             else
  73             {
  74                 // append an invisible outline for the cases where no visible content exists
  75                 Rectangle aCurrentBoundRect(GetSdrObjGroup().GetLastBoundRect());
  76                 // Hack for calc, transform position of object according
  77                 // to current zoom so as objects relative position to grid
  78                 // appears stable
  79                 aCurrentBoundRect += GetSdrObjGroup().GetGridOffset();
  80                 const basegfx::B2DRange aCurrentRange(
  81                     aCurrentBoundRect.Left(), aCurrentBoundRect.Top(),
  82                     aCurrentBoundRect.Right(), aCurrentBoundRect.Bottom());
  83
  84                 const drawinglayer::primitive2d::Primitive2DReference xReference(
  85                     drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
  86                         false, aCurrentRange));
  87
  88                 xRetval = drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
  89             }
  90
  91             return xRetval;
  92         }
  93     } // end of namespace contact
  94 } // end of namespace sdr
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */