LayerInterface.h

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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2008 Torsten Rahn <tackat@kde.org>
// Copyright 2008 Inge Wallin  <inge@lysator.liu.se>
//

#ifndef MARBLE_LAYERINTERFACE_H
#define MARBLE_LAYERINTERFACE_H

#include "marble_export.h"
#include "RenderState.h"

#include <QStringList>

namespace Marble {

class GeoPainter;
class GeoSceneLayer;
class ViewportParams;

class MARBLE_EXPORT LayerInterface
{
public:

    virtual ~LayerInterface();

    virtual QStringList renderPosition() const = 0;

    virtual bool render( GeoPainter *painter, ViewportParams *viewport,
       const QString &renderPos, GeoSceneLayer *layer ) = 0;

    virtual qreal zValue() const;

    virtual RenderState renderState() const;

    virtual QString runtimeTrace() const;
};

} // namespace Marble

#endif