1 files changed, 114 insertions, 0 deletions
diff --git a/vcl/source/filter/wmf/emfwr.hxx b/vcl/source/filter/wmf/emfwr.hxx
new file mode 100644
index 000000000..502ae5d28
--- /dev/null
+++ b/vcl/source/filter/wmf/emfwr.hxx
@@ -0,0 +1,114 @@
+/* -*- 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_VCL_SOURCE_FILTER_WMF_EMFWR_HXX
+#define INCLUDED_VCL_SOURCE_FILTER_WMF_EMFWR_HXX
+
+#include <vcl/gdimtf.hxx>
+#include <vcl/virdev.hxx>
+
+class LineInfo;
+namespace basegfx { class B2DPolygon; }
+enum class EmfPlusRecordType;
+
+class EMFWriter
+{
+private:
+
+    ScopedVclPtr<VirtualDevice> maVDev;
+    MapMode             maDestMapMode;
+    SvStream& m_rStm;
+    std::vector<bool>       mHandlesUsed;
+    sal_uLong               mnHandleCount;
+    sal_uLong               mnRecordCount;
+    sal_uLong               mnRecordPos;
+    sal_uLong               mnRecordPlusPos;
+    bool                mbRecordOpen;
+    bool                mbRecordPlusOpen;
+    bool                mbLineChanged;
+    sal_uInt32          mnLineHandle;
+    bool                mbFillChanged;
+    sal_uInt32          mnFillHandle;
+    bool                mbTextChanged;
+    sal_uInt32          mnTextHandle;
+    sal_uInt32          mnHorTextAlign;
+
+    void                ImplBeginRecord( sal_uInt32 nType );
+    void                ImplEndRecord();
+    void                ImplBeginPlusRecord( EmfPlusRecordType nType, sal_uInt16 nFlags );
+    void                ImplEndPlusRecord();
+    void                ImplPlusRecord( EmfPlusRecordType nType, sal_uInt16 nFlags );
+    void                ImplBeginCommentRecord( sal_Int32 nCommentType );
+    void                ImplEndCommentRecord();
+
+    sal_uLong               ImplAcquireHandle();
+    void                ImplReleaseHandle( sal_uLong nHandle );
+
+    bool                ImplPrepareHandleSelect( sal_uInt32& rHandle, sal_uLong nSelectType );
+    void                ImplCheckLineAttr();
+    void                ImplCheckFillAttr();
+    void                ImplCheckTextAttr();
+
+    void                ImplWriteColor( const Color& rColor );
+    void                ImplWriteRasterOp( RasterOp eRop );
+    void                ImplWriteExtent( tools::Long nExtent );
+    void                ImplWritePoint( const Point& rPoint );
+    void                ImplWriteSize( const Size& rSize);
+    void                ImplWriteRect( const tools::Rectangle& rRect );
+    void                ImplWritePath( const tools::PolyPolygon& rPolyPoly, bool bClose );
+    void                ImplWritePolygonRecord( const tools::Polygon& rPoly, bool bClose );
+    void                ImplWritePolyPolygonRecord( const tools::PolyPolygon& rPolyPoly );
+    void                ImplWriteBmpRecord( const Bitmap& rBmp, const Point& rPt, const Size& rSz, sal_uInt32 nROP );
+    void                ImplWriteTextRecord( const Point& rPos, const OUString& rText, o3tl::span<const sal_Int32> pDXArray, sal_uInt32 nWidth );
+
+    void                Impl_handleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon);
+    void                ImplWrite( const GDIMetaFile& rMtf );
+    void                WriteEMFPlusHeader( const Size &rMtfSizePix, const Size &rMtfSizeLog );
+    void                ImplWritePlusEOF();
+    void                ImplWritePlusFillPolygonRecord( const tools::Polygon& rPoly, sal_uInt32 nTrans );
+    void                ImplWritePlusColor( const Color& rColor, sal_uInt32 nTrans );
+    void                ImplWritePlusPoint( const Point& rPoint );
+
+public:
+
+    explicit EMFWriter(SvStream &rStream)
+        : maVDev( VclPtr<VirtualDevice>::Create() )
+        , m_rStm(rStream)
+        , mnHandleCount(0)
+        , mnRecordCount(0)
+        , mnRecordPos(0)
+        , mnRecordPlusPos(0)
+        , mbRecordOpen(false)
+        , mbRecordPlusOpen(false)
+        , mbLineChanged(false)
+        , mnLineHandle(0)
+        , mbFillChanged(false)
+        , mnFillHandle(0)
+        , mbTextChanged(false)
+        , mnTextHandle(0)
+        , mnHorTextAlign(0)
+    {
+    }
+
+    bool WriteEMF(const GDIMetaFile& rMtf);
+};
+
+#endif // INCLUDED_VCL_SOURCE_FILTER_WMF_EMFWR_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */