QwtFunctionPlot.hh 6.42 KB
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/*===========================================================================*\
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*                                                                            *
*                              OpenFlipper                                   *
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
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 *                            www.openflipper.org                            *
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 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
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\*===========================================================================*/

/*===========================================================================*\
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*                                                                            *
*   $Revision$                                                       *
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*   $Date$                     *
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\*===========================================================================*/

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//=============================================================================
//
// CLASS QwtFunctionPlot
//
//
// Author:  David Bommes <bommes@cs.rwth-aachen.de>
//
// Version: $Revision: 1$
// Date:    $Date: 200X-XX-XX$
//
//=============================================================================


#ifndef ACG_QWTFUNCTIONPLOT_HH
#define ACG_QWTFUNCTIONPLOT_HH

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#ifdef WITH_QWT
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//== INCLUDES =================================================================

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  #include <QtWidgets>

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#include <qwt_plot.h>
#include <qwt_plot_curve.h>
#include <qwt_plot_zoomer.h>
#include <qwt_scale_engine.h>
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#include <qwt_plot_marker.h>
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#include <QDialog>

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// qmake users have to include pc
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#include <ui_QwtFunctionPlotBase.hh>

// ACGMake users have to include
// #include "QtFunctionPlotBase.hh"

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#if QWT_VERSION >= 0x060000
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 #include <ACG/QwtWidgets/QwtHistogramm.hh>
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#else
 #include "HistogramItem.hh"
#endif

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#include <vector>
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#include "TextureParameters.hh"

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//== FORWARDDECLARATIONS ======================================================

//== NAMESPACES ===============================================================

namespace ACG
{

//== CLASS DEFINITION =========================================================



class QwtFunctionPlot : public QDialog, public Ui::QwtFunctionPlotBase
{
  Q_OBJECT
public:

  /// Default constructor
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  explicit QwtFunctionPlot( QWidget*    _parent = 0 );
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  /// Destructor
  ~QwtFunctionPlot() {}

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  // set the function to plot
  void setFunction( std::vector<double>& _values );
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  /// Set all parameters as one block
  void setParameters(const TexParameters& _parameters);

  /// Set the parameters separately
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  void setParameters(bool repeat, double repeatMax,
                     bool clamp,  double clampMin, double clampMax,
                     bool center,
                     bool absolute,
                     bool scale);
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  /** The function plot accesses an image to get colors from them.
   *  The colors are equivalent to the rendered color textures.
   *
   * @param _image Image that is used to take the colors from
   */
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  void setImage(QImage* _image);
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public slots:
  void zoomIn();
  void zoomOut();
  void clamp();
  
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  void replot();
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private:
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  QwtPlotZoomer* plot_zoomer_;
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  QwtPlotMarker* clampMinMarker_;
  QwtSymbol*     minSymbol_;

  QwtPlotMarker* clampMaxMarker_;
  QwtSymbol*     maxSymbol_;

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  // Histogramm Plot
#if QWT_VERSION >= 0x060000
  Histogram* histogram_;
#else
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  HistogramItem* histogram_;
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#endif
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  std::vector<double> values_;
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  QImage* image_;
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  TexParameters parameters_;
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  double min_,max_;
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};


//=============================================================================
} // namespace ACG
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#endif // WITH_QWT
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//=============================================================================
#endif // ACG_QWTFUNCTIONPLOT_HH defined
//=============================================================================