/* This file is part of the Calligra project

  SPDX-FileCopyrightText: 2011 Inge Wallin <inge@lysator.liu.se>

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

#ifndef SVMSTRUCT_H
#define SVMSTRUCT_H


#include <QtGlobal>
#include <QPoint>

class QDataStream;

/**
 * @file
 *
 * Structs used in various parts of SVM files.
 */

/**
   Namespace for StarView Metafile (SVM) classes
*/
namespace Libsvm
{

/**
 * Contains version and length of an action.
 */
struct VersionCompat {
    VersionCompat();
    VersionCompat(QDataStream &stream);

    quint16  version;
    quint32  length;
};

QDataStream &operator>>(QDataStream &stream, VersionCompat &compat);



struct Fraction {
    Fraction();
    Fraction(QDataStream &stream);

    quint32  numerator;
    quint32  denominator;
};

QDataStream &operator>>(QDataStream &stream, Fraction &fract);


struct MapMode {
    MapMode();
    MapMode(QDataStream &stream);

    VersionCompat  version;
    quint16        unit;
    QPoint         origin;
    Fraction       scaleX;
    Fraction       scaleY;
    bool           isSimple;
};

QDataStream &operator>>(QDataStream &stream, MapMode &mm);


/**
 * The header of an SVM file.
 */
struct SvmHeader {
    SvmHeader();
    SvmHeader(QDataStream &stream);

    VersionCompat  versionCompat;
    quint32        compressionMode;
    MapMode        mapMode;
    quint32        width;
    quint32        height;
    quint32        actionCount;
};

QDataStream &operator>>(QDataStream &stream, SvmHeader &header);


}

#endif
