/*
  SPDX-FileCopyrightText: 2008 Brad Hards <bradh@frogmouth.net>
  SPDX-FileCopyrightText: 2009 Inge Wallin <inge@lysator.liu.se>

  SPDX-License-Identifier: LGPL-2.1-or-later
*/

#ifndef EMFPARSER_H
#define EMFPARSER_H

#include "kovectorimage_export.h"

#include "EmfOutput.h"

#include <QString>
#include <QRect> // also provides QSize

/**
   \file

   Primary definitions for EMF parser
*/

/**
   Namespace for Enhanced Metafile (EMF) classes
*/
namespace Libemf
{

/**
    %Parser for an EMF format file
 */
class KOVECTORIMAGE_EXPORT Parser
{
public:
    Parser();
    ~Parser();

    /**
     * Load an EMF file
     *
     * \param fileName the name of the file to load
     *
     * \return true on successful load, or false on failure
     */
    bool load( const QString &fileName );
    /**
     * Load an EMF file
     *
     * \param contents a QByteArray containing the contents of the EMF.
     *
     * \return true on successful load, or false on failure
     */
    bool load(const QByteArray &contents);


    /**
     * Load an EMF file from a stream
     *
     * \param stream the stream to read from
     *
     * \return true on successful load, or false on failure
     */
    bool loadFromStream( QDataStream &stream );

    /**
       Set the output strategy for the parserr

       \param output pointer to a strategy implementation
    */
    void setOutput( AbstractOutput *output );

private:
    // read a single EMF record
    bool readRecord( QDataStream &stream );

    // temporary function to soak up unneeded bytes
    void soakBytes( QDataStream &stream, int numBytes );

    // temporary function to dump output bytes
    void outputBytes( QDataStream &stream, int numBytes );

    // Pointer to the output strategy
    AbstractOutput *mOutput;
};

}

#endif
