1 files changed, 77 insertions, 0 deletions
diff --git a/drawinglayer/source/processor2d/objectinfoextractor2d.cxx b/drawinglayer/source/processor2d/objectinfoextractor2d.cxx
new file mode 100644
index 000000000..552406d53
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+++ b/drawinglayer/source/processor2d/objectinfoextractor2d.cxx
@@ -0,0 +1,77 @@
+/* -*- 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 <drawinglayer/processor2d/objectinfoextractor2d.hxx>
+#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
+#include <drawinglayer/primitive2d/objectinfoprimitive2d.hxx>
+
+using namespace com::sun::star;
+
+namespace drawinglayer::processor2d
+{
+        void ObjectInfoPrimitiveExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
+        {
+            if(mpFound)
+                return;
+
+            switch(rCandidate.getPrimitive2DID())
+            {
+                case PRIMITIVE2D_ID_OBJECTINFOPRIMITIVE2D :
+                {
+                    mpFound = dynamic_cast< const primitive2d::ObjectInfoPrimitive2D* >(&rCandidate);
+                    break;
+                }
+                default :
+                {
+                    // we look for an encapsulated primitive, so do not decompose primitives
+                    // based on GroupPrimitive2D, just visit their children. It may be that more
+                    // group-like primitives need to be added here, but all primitives with
+                    // grouping functionality should be implemented based on the GroupPrimitive2D
+                    // class and have their main content accessible as children
+                    const primitive2d::GroupPrimitive2D* pGroupPrimitive2D = dynamic_cast< const primitive2d::GroupPrimitive2D* >(&rCandidate);
+
+                    if(pGroupPrimitive2D)
+                    {
+                        // process group children recursively
+                        process(pGroupPrimitive2D->getChildren());
+                    }
+                    else
+                    {
+                        // do not process recursively, we *only* want to find existing
+                        // ObjectInfoPrimitive2D entries
+                    }
+
+                    break;
+                }
+            }
+        }
+
+        ObjectInfoPrimitiveExtractor2D::ObjectInfoPrimitiveExtractor2D(const geometry::ViewInformation2D& rViewInformation)
+        :   BaseProcessor2D(rViewInformation),
+            mpFound(nullptr)
+        {
+        }
+
+        ObjectInfoPrimitiveExtractor2D::~ObjectInfoPrimitiveExtractor2D()
+        {
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */