histogramEditor.h

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//Added by qt3to4:
#include <Q3Frame>
#include <QKeyEvent>
//==============================================
//  copyright            : (C) 2003-2005 by Will Stokes
//==============================================
//  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 2 of the License, or
//  (at your option) any later version.
//==============================================
 
#ifndef GUI_EDITING_HISTOGRAMEDITOR_H
#define GUI_EDITING_HISTOGRAMEDITOR_H
 
//--------------------
//forward declarations
class Q3Frame;
class QComboBox;
class ClickableLabel;
class DynamicSlider;
class HistogramInterface;
class ScaledPreviewInterface;
//--------------------
 
#include <qdialog.h>
 
//=====================================
//=====================================
 
class HistogramEditor : public QDialog
{
Q_OBJECT
 
public:
  HistogramEditor(QString filename,
                  QWidget *parent=0, const char* name=0);
 
  ~HistogramEditor();
  
  QImage* getModifiedImage();
 
  void getHistBoundaries(int &lumLeft, int &lumRight,
                         int &redLeft, int &redRight,
                         int &greenLeft, int &greenRight,
                         int &blueLeft, int &blueRight);                         
  //----------------------
protected:
  void keyPressEvent(QKeyEvent *e);
  void keyReleaseEvent(QKeyEvent *e);
  //----------------------
private slots:
  void selectPreviewImageType(int selection);
 
  void selectHistogramType(int selection);    
 
  void resetBrightness();
 
  void resetContrast();
  
  //accepts changes, otherwise calls reject
  void applyAction();  
  
  void resetAction();
 
  void generateAdjustedPreviewImage();
  //----------------------
private:
  //adjust image using current contrast, brightness, and histogram settings
  void adjustImage( QImage& image );
 
  //scale between two colors
  double scaleColor( double color, int left, int right );
  
  //original image filename
  QString fileName;
    
  double meanR, meanG, meanB;
  
  ScaledPreviewInterface* previewInterface;
    
  HistogramInterface* histogramInterface;
      
  QComboBox* previewSelection;
  QComboBox* histogramType;
  ClickableLabel* brightnessIcon;
  ClickableLabel* contrastIcon;
  Q3Frame* buttonsFrame;  
  
  
  DynamicSlider* brightness;
 
  DynamicSlider* contrast;
};
//======================
 
#endif //GUI_EDITING_HISTOGRAMEDITOR_H