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diff --git a/svx/source/sdr/contact/viewcontactofgroup.cxx b/svx/source/sdr/contact/viewcontactofgroup.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sdr/contact/viewcontactofgroup.hxx>
+#include <svx/svdogrp.hxx>
+#include <svx/sdr/contact/viewobjectcontact.hxx>
+#include <sdr/contact/viewobjectcontactofgroup.hxx>
+#include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
+#include <tools/debug.hxx>
+#include <vcl/canvastools.hxx>
+
+
+namespace sdr::contact
+{
+ // Create an Object-Specific ViewObjectContact, set ViewContact and
+ // ObjectContact. Always needs to return something.
+ ViewObjectContact& ViewContactOfGroup::CreateObjectSpecificViewObjectContact(ObjectContact& rObjectContact)
+ {
+ ViewObjectContact* pRetval = new ViewObjectContactOfGroup(rObjectContact, *this);
+ DBG_ASSERT(pRetval, "ViewContactOfGroup::CreateObjectSpecificViewObjectContact() failed (!)");
+
+ return *pRetval;
+ }
+
+ ViewContactOfGroup::ViewContactOfGroup(SdrObjGroup& rGroup)
+ : ViewContactOfSdrObj(rGroup)
+ {
+ }
+
+ ViewContactOfGroup::~ViewContactOfGroup()
+ {
+ }
+
+ drawinglayer::primitive2d::Primitive2DContainer ViewContactOfGroup::createViewIndependentPrimitive2DSequence() const
+ {
+ drawinglayer::primitive2d::Primitive2DContainer xRetval;
+ const sal_uInt32 nObjectCount(GetObjectCount());
+
+ if(nObjectCount)
+ {
+ // collect all sub-primitives
+ for(sal_uInt32 a(0); a < nObjectCount; a++)
+ {
+ const ViewContact& rCandidate(GetViewContact(a));
+ const drawinglayer::primitive2d::Primitive2DContainer& aCandSeq(rCandidate.getViewIndependentPrimitive2DContainer());
+
+ xRetval.insert(xRetval.end(), aCandSeq.begin(), aCandSeq.end());
+ }
+ }
+ else
+ {
+ // append an invisible outline for the cases where no visible content exists
+ const basegfx::B2DRange aCurrentRange = vcl::unotools::b2DRectangleFromRectangle(GetSdrObjGroup().GetLastBoundRect());
+
+ const drawinglayer::primitive2d::Primitive2DReference xReference(
+ drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
+ false, aCurrentRange));
+
+ xRetval = drawinglayer::primitive2d::Primitive2DContainer { xReference };
+ }
+
+ return xRetval;
+ }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */