qgsannotation.h

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/***************************************************************************
                             qgsannotation.h
                             ---------------
    begin                : July 2016
    copyright            : (C) 2016 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSANNOTATION_H
#define QGSANNOTATION_H

#include "qgspoint.h"
#include "qgscoordinatereferencesystem.h"

class QPainter;
class QStyleOptionGraphicsItem;

class CORE_EXPORT QgsAnnotation
{
  public:

    virtual bool showItem() const = 0;

    //TODO QGIS 3 - rename to hasFixedMapPosition()
    virtual bool mapPositionFixed() const = 0;

    virtual QgsPoint mapPosition() const { return QgsPoint(); }

    virtual QgsCoordinateReferenceSystem mapPositionCrs() const { return QgsCoordinateReferenceSystem(); }

    virtual QPointF relativePosition() const { return QPointF(); }

    virtual double scaleFactor() const = 0;

    // TODO QGIS 3.0 - remove
    virtual void setItemData( int role, const QVariant& value ) = 0;

    virtual void paint( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = nullptr ) = 0;


};

#endif // QGSANNOTATION_H