src/XYPlotVisualizer.h

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/*
 *   MetriVis - Metrics Visualization Application
 *
 *
 *   License notice:
 *
 *   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 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */


#ifndef _METRIVIS_XY_PLOT_VISUALIZER_H
#define _METRIVIS_XY_PLOT_VISUALIZER_H


#include "container/MultiType.h"
#include "pipeline/PipelineProcess.h"
#include "BaseClass.h"
#include <cairo/cairo-features.h>
#include <cairo/cairo.h>

namespace metrivis {



cairo_status_t XYPlotCallBackFunction(void *closure, const unsigned char *data,
                                     unsigned int length);


class XYPlotVisualizer : public PipelineProcess, public BaseClass {

public:

  XYPlotVisualizer();

  virtual ~XYPlotVisualizer();

  virtual void Execute();

  virtual void Reset();

  cairo_status_t WriteImageData(const unsigned char *data, unsigned int length);


  void set_borders(double min_x, double min_y, double max_x, double max_y) {
    min_x_ = min_x;
    min_y_ = min_y;
    max_x_ = max_x;
    max_y_ = max_y;
  }


  void set_tile_index(int x, int y, int zoom_x, int zoom_y) {
    x_ = x;
    y_ = y;
    zoom_x_ = zoom_x;
    zoom_y_ = zoom_y;
  }


  void set_debug(int debug_mode) {
    debug_mode_ = debug_mode;
  }


private:

  double PixelToTime(long pixel_x, int zoom);


private:

  int frame_size_;    

  double min_x_;      
  double min_y_;      
  double max_x_;      
  double max_y_;      

  int x_;             
  int y_;             
  int zoom_;          
  int zoom_x_;        
  int zoom_y_;        

  int debug_mode_;    



  //plstream plplot_stream_; //!< PLplot drawing stream.
};

}

#endif // _METRIVIS_XY_PLOT_VISUALIZER_H

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