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diff --git a/include/vcl/fltcall.hxx b/include/vcl/fltcall.hxx
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+++ b/include/vcl/fltcall.hxx
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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 .
+ */
+
+#ifndef _FLTCALL_HXX
+#define _FLTCALL_HXX
+#include <sal/types.h>
+#include <vcl/field.hxx>
+#include <com/sun/star/uno/Sequence.h>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <vcl/FilterConfigItem.hxx>
+
+class FilterConfigItem;
+class SvStream;
+class Graphic;
+class Window;
+
+struct FltCallDialogParameter
+{
+
+    Window*     pWindow;
+    ResMgr*     pResMgr;
+    FieldUnit   eFieldUnit;
+    String      aFilterExt;
+
+    // In and Out PropertySequence for all filter dialogs
+    ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > aFilterData;
+
+    FltCallDialogParameter( Window* pW, ResMgr* pRsMgr, FieldUnit eFiUni ) :
+        pWindow         ( pW ),
+        pResMgr         ( pRsMgr ),
+        eFieldUnit      ( eFiUni ) {};
+};
+
+typedef sal_Bool (*PFilterCall)(SvStream & rStream, Graphic & rGraphic,
+                                FilterConfigItem* pConfigItem, sal_Bool bPrefDialog);
+    // Of this type are both export-filter and import-filter functions
+    // rFileName is the complete path to the file to be imported or exported
+    // pCallBack can be NULL. pCallerData is handed to the callback function
+    // pOptionsConfig can be NULL; if not, the group of the config is already set
+    // and may not be changed by this filter!
+    // If bPrefDialog==sal_True, a Preferences-Dialog might be called
+
+typedef sal_Bool ( *PFilterDlgCall )( FltCallDialogParameter& );
+    // Of this type are both export-filter and import-filter functions
+    // hands a pointer to the parent window and to the options config
+    // pOptions and pWindow can be NULL; in this case sal_False is returned,
+    // otherwise the group of the config is already set
+    // and may not be changed by this filter!
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */