/* -*- 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/.

 */

#ifndef INCLUDED_OOX_MATHML_IMEXPORT_HXX

#define INCLUDED_OOX_MATHML_IMEXPORT_HXX

#include <oox/core/filterbase.hxx>

#include <oox/dllapi.h>

#include <oox/export/utils.hxx>

#include <rtl/ref.hxx>

#include <rtl/strbuf.hxx>

#include <rtl/textenc.h>

#include <sax/fshelper.hxx>

#include <tools/gen.hxx>

namespace oox

{

namespace formulaimport

{

class XmlStream;

}

/**

 Interface class, StarMath will implement readFormulaOoxml() to read OOXML

 representing the formula, getFormulaSize() to provide the size of the resulting

 formula, and writeFormula*() to write out markup representing the formula.

 */

class OOX_DLLPUBLIC SAL_LOPLUGIN_ANNOTATE("crosscast") FormulaImExportBase

{

public:

    virtual void readFormulaOoxml( oox::formulaimport::XmlStream& stream ) = 0;

    virtual Size getFormulaSize() const = 0; // Unit is mm100

    virtual void writeFormulaOoxml(::sax_fastparser::FSHelperPtr pSerializer,

            oox::core::OoxmlVersion version,

            oox::drawingml::DocumentType documentType, sal_Int8 nAlign) = 0;

    virtual void writeFormulaRtf( OStringBuffer& rBuffer, rtl_TextEncoding nEncoding ) = 0;

    enum eFormulaAlign { INLINE, CENTER, LEFT, RIGHT };

protected:

    FormulaImExportBase();

    ~FormulaImExportBase() {}

};

namespace core { class ContextHandler; }

namespace drawingml { class TextParagraph; }

::rtl::Reference<core::ContextHandler> CreateLazyMathBufferingContext(

        core::ContextHandler const& rParent, drawingml::TextParagraph & rPara);

} // namespace

#endif

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