DlgImportCroppingNonPdf.h

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/******************************************************************************************************
 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#ifndef DLG_IMPORT_CROPPING_NON_PDF_H
#define DLG_IMPORT_CROPPING_NON_PDF_H
 
#include <QDialog>
#include <QImage>
#include <QObject>
 
class NonPdfCropping;
class QGraphicsPixmapItem;
class QGridLayout;
class QGraphicsScene;
class QRectF;
class QSpinBox;
class QString;
class ViewPreview;

class DlgImportCroppingNonPdf : public QDialog
{
  Q_OBJECT;
 
public:
  DlgImportCroppingNonPdf (const QString &fileName);
  virtual ~DlgImportCroppingNonPdf ();

  QImage image () const;

  virtual void showEvent (QShowEvent *event);
 
private slots:

  void slotCancel();

  void slotOk ();
 
private:
  DlgImportCroppingNonPdf ();
 
  void createNonPdfCropping();
  void createPreview (QGridLayout *layout,
                      int &row);
  void finishPanel (QWidget *subPanel);
  void initializeFrameGeometryAndPixmap ();
  QImage loadImage () const;

  static int MINIMUM_DIALOG_WIDTH;

  static int MINIMUM_PREVIEW_HEIGHT;
 
  void saveGeometryToSettings ();
  void updatePreview ();
 
  QPushButton *m_btnCancel;
  QPushButton *m_btnOk;
 
  const QString &m_fileName;
  QImage m_image; // Needed so it can be passed to external code when this dialog has finished successfully
  QGraphicsPixmapItem *m_pixmap; // Needed so old image can be removed just before new one gets added
 
  QGraphicsScene *m_scenePreview;
  ViewPreview *m_viewPreview;
 
  NonPdfCropping *m_nonPdfCropping;
};
 
#endif // DLG_IMPORT_CROPPING_NON_PDF_H