qgsabstract3dsymbol.h

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/***************************************************************************
  qgsabstract3dsymbol.h
  --------------------------------------
  Date                 : July 2017
  Copyright            : (C) 2017 by Martin Dobias
  Email                : wonder dot sk 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 QGSABSTRACT3DSYMBOL_H
#define QGSABSTRACT3DSYMBOL_H

#include "qgis_core.h"
#include "qgis_sip.h"

#include "qgspropertycollection.h"

class QDomElement;
class QString;

class QgsReadWriteContext;
class Qgs3DSceneExporter;
namespace Qt3DCore { class QEntity; } SIP_SKIP


class CORE_EXPORT QgsAbstract3DSymbol
{
  public:
    virtual ~QgsAbstract3DSymbol() = default;

    virtual QString type() const = 0;
    virtual QgsAbstract3DSymbol *clone() const = 0 SIP_FACTORY;

    virtual void writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const = 0;
    virtual void readXml( const QDomElement &elem, const QgsReadWriteContext &context ) = 0;

    virtual QList< QgsWkbTypes::GeometryType > compatibleGeometryTypes() const;

    enum Property
    {
      PropertyHeight = 0,       
      PropertyExtrusionHeight,  
    };

    static const QgsPropertiesDefinition &propertyDefinitions();

    QgsPropertyCollection &dataDefinedProperties() { return mDataDefinedProperties; }

    const QgsPropertyCollection &dataDefinedProperties() const { return mDataDefinedProperties; } SIP_SKIP

    void setDataDefinedProperties( const QgsPropertyCollection &collection ) { mDataDefinedProperties = collection; }

    virtual bool exportGeometries( Qgs3DSceneExporter *exporter, Qt3DCore::QEntity *entity, const QString &objectNamePrefix ) const SIP_SKIP;

  protected:

    void copyBaseSettings( QgsAbstract3DSymbol *destination ) const;
    QgsPropertyCollection mDataDefinedProperties;

  private:
    static void initPropertyDefinitions();

    static QgsPropertiesDefinition sPropertyDefinitions;
};


#endif // QGSABSTRACT3DSYMBOL_H