1 files changed, 100 insertions, 0 deletions
diff --git a/svx/source/sdr/contact/viewcontactofvirtobj.cxx b/svx/source/sdr/contact/viewcontactofvirtobj.cxx
new file mode 100644
index 000000000..b2f92bd28
--- /dev/null
+++ b/svx/source/sdr/contact/viewcontactofvirtobj.cxx
@@ -0,0 +1,100 @@
+/* -*- 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 <svx/sdr/contact/viewcontactofvirtobj.hxx>
+#include <svx/svdovirt.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+#include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
+
+namespace sdr::contact {
+
+ViewContactOfVirtObj::ViewContactOfVirtObj(SdrVirtObj& rObj)
+:   ViewContactOfSdrObj(rObj)
+{
+}
+
+ViewContactOfVirtObj::~ViewContactOfVirtObj()
+{
+}
+
+SdrVirtObj& ViewContactOfVirtObj::GetVirtObj() const
+{
+    return static_cast<SdrVirtObj&>(mrObject);
+}
+
+// Access to possible sub-hierarchy
+sal_uInt32 ViewContactOfVirtObj::GetObjectCount() const
+{
+    // Here, SdrVirtObj's need to return 0L to show that they have no
+    // sub-hierarchy, even when they are group objects. This is necessary
+    // to avoid that the same VOCs will be added to the draw hierarchy
+    // twice which leads to problems.
+
+    // This solution is only a first solution to get things running. Later
+    // this needs to be replaced with creating real VOCs for the objects
+    // referenced by virtual objects to avoid the 'trick' of setting the
+    // offset for painting at the destination OutputDevice.
+
+    // As can be seen, with primitives, the problem will be solved using
+    // a transformPrimitive, so this solution can stay with primitives.
+    return 0;
+}
+
+drawinglayer::primitive2d::Primitive2DContainer ViewContactOfVirtObj::createViewIndependentPrimitive2DSequence() const
+{
+    // create displacement transformation if we have content
+    basegfx::B2DHomMatrix aObjectMatrix;
+    Point aAnchor(GetVirtObj().GetAnchorPos());
+
+    if(aAnchor.X() || aAnchor.Y())
+    {
+        aObjectMatrix.set(0, 2, aAnchor.X());
+        aObjectMatrix.set(1, 2, aAnchor.Y());
+    }
+
+    // use method from referenced object to get the Primitive2DContainer
+    const drawinglayer::primitive2d::Primitive2DContainer& xSequenceVirtual(
+        GetVirtObj().GetReferencedObj().GetViewContact().getViewIndependentPrimitive2DContainer());
+
+    if(!xSequenceVirtual.empty())
+    {
+        // create transform primitive
+        const drawinglayer::primitive2d::Primitive2DReference xReference(
+            new drawinglayer::primitive2d::TransformPrimitive2D(
+                aObjectMatrix,
+                xSequenceVirtual));
+
+        return drawinglayer::primitive2d::Primitive2DContainer { xReference };
+    }
+    else
+    {
+        // always append an invisible outline for the cases where no visible content exists
+        const drawinglayer::primitive2d::Primitive2DReference xReference(
+            drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
+                aObjectMatrix));
+
+        return drawinglayer::primitive2d::Primitive2DContainer { xReference };
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
+