threadedLoop.h

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#ifndef CARTOBASE_THREAD_THREADEDLOOP_H
#define CARTOBASE_THREAD_THREADEDLOOP_H

#include <cartobase/config/cartobase_config.h>

#ifndef CARTO_NO_THREAD

namespace carto
{

  class LoopContext;


  class ThreadedLoop
  {

  public:

    ThreadedLoop( LoopContext* loopContext,
                  int startIndex, int count, int maxThreadCount = 0,
                  float threadsByCpu = 1.0f );
    virtual ~ThreadedLoop();

    void setLoopContext( LoopContext* );

    bool launch( bool resetGauge = true, bool resetCancel = true );
    void run();

    void setEndThreadsWhenDone( bool x );
    bool endThreadsWhenDone() const;
    void setLoopCount( int n );

  private:
    struct Private;

    Private     *d;

    LoopContext* _loopContext;
    int _grain;
    int _startIndex;
    int _count;
    int _maxThreadCount;
    float _threadsByCpu;

    int _currentIndex;
    int _todo;
    int _remain;

  };

}


#endif
#endif