/* -*- 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"

namespace emfio

{

    class EmfReader : public MtfTools

    {

    private:

        sal_uInt32   mnRecordCount;

        bool        mbRecordPath : 1;

        bool        mbEMFPlus : 1;

        bool        mbEMFPlusDualMode : 1;

        /// Another format is read already, can ignore actual EMF data.

        bool mbReadOtherGraphicFormat = false;

        basegfx::B2DTuple maSizeHint;

        bool mbEnableEMFPlus = true;

        bool        ReadHeader();

        // reads and converts the rectangle

        static tools::Rectangle ReadRectangle(sal_Int32, sal_Int32, sal_Int32, sal_Int32);

    public:

        EmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile);

        ~EmfReader();

        bool ReadEnhWMF();

        void ReadGDIComment(sal_uInt32 nCommentId);

        /// Parses EMR_COMMENT_MULTIFORMATS.

        void ReadMultiformatsComment();

        void SetSizeHint(const basegfx::B2DTuple& rSizeHint) { maSizeHint = rSizeHint; }

        void SetEnableEMFPlus(bool bEnableEMFPlus) { mbEnableEMFPlus = bEnableEMFPlus; }

    private:

        template <class T> void ReadAndDrawPolyPolygon(sal_uInt32 nNextPos);

        template <class T> void ReadAndDrawPolyLine(sal_uInt32 nNextPos);

        template <class T> tools::Polygon ReadPolygon(sal_uInt32 nStartIndex, sal_uInt32 nPoints, sal_uInt32 nNextPos);

        template <class T> tools::Polygon ReadPolygonWithSkip(const bool skipFirst, sal_uInt32 nNextPos);

        tools::Rectangle ReadRectangle();

        void ReadEMFPlusComment(sal_uInt32 length, bool& bHaveDC);

    };

}

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