qgsquickcoordinatetransformer.h

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/***************************************************************************
 qgsquickcoordinatetransformer.h
  --------------------------------------
  Date                 : 1.6.2017
  Copyright            : (C) 2017 by Matthias Kuhn
  Email                :  matthias (at) opengis.ch
 ***************************************************************************
 *                                                                         *
 *   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 QGSQUICKCOORDINATETRANSFORMER_H
#define QGSQUICKCOORDINATETRANSFORMER_H
 
#include "qgis_quick.h"
#include "qgscoordinatereferencesystem.h"
#include "qgscoordinatetransform.h"
#include "qgscoordinatetransformcontext.h"
#include "qgspoint.h"
 
#include <QObject>

class QUICK_EXPORT QgsQuickCoordinateTransformer : public QObject
{
    Q_OBJECT

    Q_PROPERTY( QgsPoint projectedPosition READ projectedPosition NOTIFY projectedPositionChanged )
 
    
    Q_PROPERTY( QgsPoint sourcePosition READ sourcePosition WRITE setSourcePosition NOTIFY sourcePositionChanged )

    Q_PROPERTY( QgsCoordinateReferenceSystem destinationCrs READ destinationCrs WRITE setDestinationCrs NOTIFY destinationCrsChanged )

    Q_PROPERTY( QgsCoordinateReferenceSystem sourceCrs READ sourceCrs WRITE setSourceCrs NOTIFY sourceCrsChanged )

    Q_PROPERTY( QgsCoordinateTransformContext transformContext READ transformContext WRITE setTransformContext NOTIFY transformContextChanged )
 
  public:
    explicit QgsQuickCoordinateTransformer( QObject *parent = nullptr );

    QgsPoint projectedPosition() const;

    QgsPoint sourcePosition() const;

    void setSourcePosition( const QgsPoint &sourcePosition );

    QgsCoordinateReferenceSystem destinationCrs() const;

    void setDestinationCrs( const QgsCoordinateReferenceSystem &destinationCrs );

    QgsCoordinateReferenceSystem sourceCrs() const;

    void setSourceCrs( const QgsCoordinateReferenceSystem &sourceCrs );

    void setTransformContext( const QgsCoordinateTransformContext &context );

    QgsCoordinateTransformContext transformContext() const;
 
  signals:
    void projectedPositionChanged();

    void sourcePositionChanged();

    void destinationCrsChanged();

    void sourceCrsChanged();

    void transformContextChanged();
 
  private:
    void updatePosition();
 
    QgsPoint mProjectedPosition;
    QgsPoint mSourcePosition;
    QgsCoordinateTransform mCoordinateTransform;
};
 
#endif // QGSQUICKCOORDINATETRANSFORMER_H