tile_view.h

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#ifndef MULTIRES_IMAGE_TILE_VIEW_H_
#define MULTIRES_IMAGE_TILE_VIEW_H_

// QT libraries
#include <QGLWidget>

#include <multires_image/tile_set.h>
#include <multires_image/tile_cache.h>

namespace multires_image
{
  class TileView
  {
  public:
    TileView(TileSet* tiles, QGLWidget* widget);
    ~TileView(void);

    const TileCache* Cache() { return &m_cache; }

    void SetView(double x, double y, double radius, double scale);

    void Draw();

    void Exit() { m_cache.Exit(); }

  private:
    TileSet*   m_tiles;
    TileCache  m_cache;
    int        m_currentLayer;
    int        m_startRow;
    int        m_startColumn;
    int        m_endRow;
    int        m_endColumn;
    double     min_scale_;
  };
}

#endif  // MULTIRES_IMAGE_TILE_VIEW_H_