albaGUILutHistogramEditor.h

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/*=========================================================================
 
 Program: ALBA (Agile Library for Biomedical Applications)
 Module: albaGUILutHistogramEditor
 Authors: Crimi Gianluigi
 
 Copyright (c) BIC
 All rights reserved. See Copyright.txt or
 
 
 This software is distributed WITHOUT ANY WARRANTY; without even
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
 
#ifndef __albaGUILutHistogramEditor_H__
#define __albaGUILutHistogramEditor_H__
 
#include "albaDefines.h"
#include "albaEvent.h"
#include "albaLUTLibrary.h"
 
#include "albaGUILutWidget.h"
#include "albaGUILutHistogramSwatch.h"
#include "albaGUIColorWidget.h"
#include "albaGUIDialog.h"
 
#include "vtkLookupTable.h"
class vtkDataSet;
class mmaVolumeMaterial;
class albaGUI;
 
class albaGUIFloatSlider;
class albaGUILutSlider;
class albaGUIHistogramWidget;
 
class ALBA_EXPORT albaGUILutHistogramEditor: public albaGUIDialog
{
public:
  enum LUT_EDITOR_WIDGET_ID
  {
    ID_ = MINID,
    ID_GAMMA_CORRETION,
    ID_RESET_LUT,
    ID_FULL_SAMPLING,
    ID_LOG_SCALE_VIEW
  };
 
  albaGUILutHistogramEditor(vtkDataSet *dataSet,mmaVolumeMaterial *material, char *name="Histogram & Windowing", albaObserver *Listener=NULL, int id=MINID);
  
  virtual ~albaGUILutHistogramEditor(); 
  
  virtual void SetListener(albaObserver *Listener) {m_Listener = Listener;};
 
  virtual albaObserver *GetListener() {return m_Listener;};
 
  /* Main event handler */
  void OnEvent(albaEventBase *alba_event);
 
  void OnSize(wxSizeEvent &event);
 
  static void ShowLutHistogramDialog(vtkDataSet *dataSet,mmaVolumeMaterial *material, char *name="Histogram & Windowing", albaObserver *Listener=NULL, int id=MINID);
 
protected:
 
  /* Resample the VME because full histogram is slow*/
  static vtkDataArray* Resample(vtkDataArray *inDA, vtkDataArray* outDA);
 
  /* Resets the dialog values to default */
  void ResetLutDialog(double gamma, double low, double high);
 
  /* Update the volume lut, if reset is true the update i make from default values */
  void UpdateVolumeLut(bool reset = false);
 
  /* Set the volume for the histogram */
  void SetMaterial(mmaVolumeMaterial *material);
 
  /* Set the volume for the histogram */
  void SetDataSet(vtkDataSet *dataSet);
 
  void CopyLut(vtkLookupTable *from, vtkLookupTable *to);
   
  albaObserver *m_Listener;
  albaGUI *m_GuiDialog;
  albaGUIFloatSlider *m_GammaSlider;
  albaGUILutSlider *m_Windowing;
 
  
  mmaVolumeMaterial *m_Material;
  vtkDataSet *m_DataSet;
  vtkDataArray *m_ResampledData;
 
  int m_FullSampling;
  int m_LogScale;
  double m_Gamma;
  double m_LowRange;
  double m_HiRange;
  
 
  albaGUIHistogramWidget *m_Histogram;
  albaGUILutHistogramSwatch   *m_LutSwatch;
  vtkLookupTable *m_ExternalLut;  
  vtkLookupTable *m_Lut;          
  
};
#endif