StretchTool.h

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#ifndef StretchTool_h
#define StretchTool_h

// This is the only include allowed in this file!
#include "Tool.h"

class QComboBox;
class QPushButton;
class QLineEdit;
class QRect;
class QToolButton;

namespace Isis {
  class AdvancedStretchDialog;
  class Cube;
  class CubeViewport;
  class Histogram;
  class Statistics;
  class Stretch;
  class ViewportBuffer;

  class StretchTool : public Tool {
      Q_OBJECT

    public:
      StretchTool(QWidget *parent);
      ~StretchTool();
      void addTo(QMenu *menu);

      enum StretchBand {
        Gray,  
        Red,   
        Green, 
        Blue,  
        All    
      };

      static Stretch stretchBuffer(ViewportBuffer *buffer, QRect rect);
      static Stretch stretchBand(CubeViewport *cvp, StretchBand band);

      static Statistics statsFromCube(Cube *cube, int band);
      static Statistics statsFromBuffer(ViewportBuffer *buffer, QRect rect);
      static Histogram histFromCube(Cube *cube, int band,
                                          double min, double max);
      static Histogram histFromBuffer(ViewportBuffer *buffer);
      static Histogram histFromBuffer(ViewportBuffer *buffer, QRect rect,
                                            double min, double max);
      void updateAdvStretchDialogforAll(void);

      QString menuName() const {
        return "&View";
      }

    signals:
      void stretchChipViewport(Stretch *, CubeViewport *);

      void warningSignal(std::string   &pStr, const std::string pExStr);

    public slots:
      void stretchGlobal();
      void stretchGlobal(CubeViewport *);
      void stretchGlobalAllBands();
      void stretchGlobalAllViewports();
      void stretchRegional();
      void stretchRegional(CubeViewport *);

    protected:
      QAction *toolPadAction(ToolPad *pad);
      QWidget *createToolBarWidget(QStackedWidget *parent);
      void updateTool();
      void stretchRequested(MdiCubeViewport *cvp, int bandId);

    protected slots:
      void mouseButtonRelease(QPoint p, Qt::MouseButton s);
      void enableRubberBandTool();
      void screenPixelsChanged();
      void updateHistograms();
      void rubberBandComplete();
      void setCubeViewport(CubeViewport *);

    private slots:
      void stretchChanged();
      void advancedStretchChanged();
      void changeStretch();
      void showAdvancedDialog();
      void setStretchAcrossBands();
      void setStretchAllViewports();
      void stretchBandChanged(int);

    private:
      void stretchRect(CubeViewport *cvp, QRect rect);

    private:
      AdvancedStretchDialog *m_advancedStretch; 

      QToolButton *m_copyButton;         
      QToolButton *m_globalButton;       
      QToolButton *m_stretchRegionalButton; 
      QPushButton *m_flashButton; 

      QAction *m_stretchGlobal;          
      QAction *m_stretchRegional;        
      QAction *m_stretchManual;          
      QAction *m_copyBands;              

      QComboBox *m_stretchBandComboBox;  

      QLineEdit *m_stretchMinEdit;       
      QLineEdit *m_stretchMaxEdit;       

      StretchBand m_stretchBand;         

      Stretch *m_preGlobalStretches;

      Stretch *m_chipViewportStretch; 
  };
};

#endif