panningPreviewInterface.h

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//==============================================
//  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_PANNINGPREVIEWINTERFACE_H
#define GUI_EDITING_PANNINGPREVIEWINTERFACE_H
 
#include <qrect.h>
//Added by qt3to4:
#include <QResizeEvent>
 
#include "splitViewInterface.h"
 
//=====================================
//=====================================
class PanningPreviewInterface : public SplitViewInterface
{
Q_OBJECT
 
public:
  PanningPreviewInterface(QString imageFilename, QWidget *parent=0, const char* name=0);
 
  virtual QSize sizeHint() const;
 
  //get current selection
  QRect getSelection();
 
  //returns size of space that will be used for painting
  QSize paintingSize();
 
  //----------------------
protected:
  void resizeEvent( QResizeEvent * );
  //----------------------
private:
  //util funtion - generates orig image and signals adjusted image is out of date
  void generateOrigImage();
  
  QImage fullSizeImage;
 
  QRect selection;
  //----------------------
signals:
  //emitted when the selected region has changed indicating the adjusted image is out of date
  void selectionChanged();
  //----------------------
public slots:
  //reset selected region
  void setSelection( QRect selection );
  //----------------------
};
//======================
 
#endif //GUI_EDITING_PANNINGPREVIEWINTERFACE_H