1 files changed, 106 insertions, 0 deletions
diff --git a/svx/source/sdr/contact/viewobjectcontactofgroup.cxx b/svx/source/sdr/contact/viewobjectcontactofgroup.cxx
new file mode 100644
index 000000000..a6198992a
--- /dev/null
+++ b/svx/source/sdr/contact/viewobjectcontactofgroup.cxx
@@ -0,0 +1,106 @@
+/* -*- 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/viewobjectcontactofgroup.hxx>
+#include <svx/sdr/contact/displayinfo.hxx>
+#include <svx/sdr/contact/objectcontact.hxx>
+#include <svx/sdr/contact/viewcontact.hxx>
+#include <svx/svdobj.hxx>
+
+
+using namespace com::sun::star;
+
+
+namespace sdr::contact
+{
+        ViewObjectContactOfGroup::ViewObjectContactOfGroup(ObjectContact& rObjectContact, ViewContact& rViewContact)
+        :   ViewObjectContactOfSdrObj(rObjectContact, rViewContact)
+        {
+        }
+
+        ViewObjectContactOfGroup::~ViewObjectContactOfGroup()
+        {
+        }
+
+        drawinglayer::primitive2d::Primitive2DContainer ViewObjectContactOfGroup::getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const
+        {
+            drawinglayer::primitive2d::Primitive2DContainer xRetval;
+
+            // check model-view visibility
+            if(isPrimitiveVisible(rDisplayInfo))
+            {
+                const sal_uInt32 nSubHierarchyCount(GetViewContact().GetObjectCount());
+
+                if(nSubHierarchyCount)
+                {
+                    const bool bDoGhostedDisplaying(
+                        GetObjectContact().DoVisualizeEnteredGroup()
+                        && !GetObjectContact().isOutputToPrinter()
+                        && GetObjectContact().getActiveViewContact() == &GetViewContact());
+
+                    if(bDoGhostedDisplaying)
+                    {
+                        rDisplayInfo.ClearGhostedDrawMode();
+                    }
+
+                    // create object hierarchy
+                    xRetval = getPrimitive2DSequenceSubHierarchy(rDisplayInfo);
+
+                    if(!xRetval.empty())
+                    {
+                        // get ranges
+                        const drawinglayer::geometry::ViewInformation2D& rViewInformation2D(GetObjectContact().getViewInformation2D());
+                        const ::basegfx::B2DRange aObjectRange(xRetval.getB2DRange(rViewInformation2D));
+                        const basegfx::B2DRange aViewRange(rViewInformation2D.getViewport());
+
+                        // check geometrical visibility
+                        if(!aViewRange.isEmpty() && !aViewRange.overlaps(aObjectRange))
+                        {
+                            // not visible, release
+                            xRetval.clear();
+                        }
+                    }
+
+                    if(bDoGhostedDisplaying)
+                    {
+                        rDisplayInfo.SetGhostedDrawMode();
+                    }
+                }
+                else
+                {
+                    // draw replacement object for group. This will use ViewContactOfGroup::createViewIndependentPrimitive2DSequence
+                    // which creates the replacement primitives for an empty group
+                    xRetval = ViewObjectContactOfSdrObj::getPrimitive2DSequenceHierarchy(rDisplayInfo);
+                }
+            }
+            return xRetval;
+        }
+
+        bool ViewObjectContactOfGroup::isPrimitiveVisibleOnAnyLayer(const SdrLayerIDSet& aLayers) const
+        {
+            SdrLayerIDSet aObjectLayers;
+            getSdrObject().getMergedHierarchySdrLayerIDSet(aObjectLayers);
+            aObjectLayers &= aLayers;
+            return !aObjectLayers.IsEmpty();
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */