TileScalingTextureMapper.h

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2010-2012 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
//
 
#ifndef MARBLE_TILESCALINGTEXTUREMAPPER_H
#define MARBLE_TILESCALINGTEXTUREMAPPER_H
 
 
#include <QObject>
#include "TextureMapperInterface.h"
 
#include "TileId.h"
 
#include <QCache>
#include <QImage>
#include <QPixmap>
 
namespace Marble
{
 
class StackedTileLoader;
 
class TileScalingTextureMapper : public QObject, public TextureMapperInterface
{
    Q_OBJECT
 
 public:
    explicit TileScalingTextureMapper( StackedTileLoader *tileLoader, QObject *parent = nullptr );
 
    void mapTexture( GeoPainter *painter,
                             const ViewportParams *viewport,
                             int tileZoomLevel,
                             const QRect &dirtyRect,
                             TextureColorizer *texColorizer ) override;
 
 private Q_SLOTS:
    void removePixmap( const TileId &tileId );
    void clearPixmaps();
 
 private:
    void mapTexture( GeoPainter *painter,
                     const ViewportParams *viewport,
                     int tileZoomLevel,
                     TextureColorizer *texColorizer );
 
 private:
    StackedTileLoader *const m_tileLoader;
    QCache<TileId, const QPixmap> m_cache;
    QImage m_canvasImage;
    int    m_radius;
};
 
}
 
#endif