/* -*- 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 .

 */

#pragma once

#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; }

    };

}

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