Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/emfio/inc/wmfreader.hxx b/emfio/inc/wmfreader.hxx
new file mode 100644
index 000000000..5c6979550
--- /dev/null
+++ b/emfio/inc/wmfreader.hxx
@@ -0,0 +1,82 @@
+/* -*- 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 INCLUDED_EMFIO_INC_WMFREADER_HXX
+#define INCLUDED_EMFIO_INC_WMFREADER_HXX
+
+#include "mtftools.hxx"
+#include <tools/stream.hxx>
+
+// predefines
+struct WmfExternal;
+
+namespace emfio
+{
+    class WmfReader : public MtfTools
+    {
+    private:
+        sal_uInt16      mnUnitsPerInch;
+        sal_uInt32      mnRecSize;
+        bool            mbPlaceable;
+
+        // embedded EMF data
+        std::optional<std::vector<sal_uInt8>> mpEMFStream;
+
+        // total number of comment records containing EMF data
+        sal_uInt32      mnEMFRecCount;
+
+        // number of EMF records read
+        sal_uInt32      mnEMFRec;
+
+        // total size of embedded EMF data
+        sal_uInt32      mnEMFSize;
+
+        sal_uInt32      mnSkipActions;
+
+        // eventually handed over external header
+        const WmfExternal* mpExternalHeader;
+
+        bool mbEnableEMFPlus = true;
+
+        // reads header of the WMF-Datei
+        bool            ReadHeader();
+
+        // reads parameters of the record with the functionnumber nFunction.
+        void            ReadRecordParams(sal_uInt32 nRecordSize, sal_uInt16 nFunction);
+
+        Point           ReadPoint();                // reads and converts a point (first X then Y)
+        Point           ReadYX();                   // reads and converts a point (first Y then X)
+        tools::Rectangle       ReadRectangle();            // reads and converts a rectangle
+        Size            ReadYXExt();
+        void            GetPlaceableBound(tools::Rectangle& rSize, SvStream* pStrm);
+
+    public:
+        WmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile, const WmfExternal* pExternalHeader);
+
+        // read WMF file from stream and fill the GDIMetaFile
+        void ReadWMF();
+
+        // Allows disabling EMF+ if EMF is embedded in this WMF.
+        void SetEnableEMFPlus(bool bEnableEMFPlus) { mbEnableEMFPlus = bEnableEMFPlus; }
+    };
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */