#pragma once

#include "lts_widgets_export.h"
#include <QGraphicsView>

namespace LtsWidgets
{



class LTSWIDGETS_EXPORT LtsImageCropper : public QGraphicsView
{

  Q_OBJECT

  Q_PROPERTY(QPixmap  pixMap     READ pixmap     WRITE setPixmap)
  Q_PROPERTY(double   multiplier READ multiplier WRITE setMultiplier)
  Q_PROPERTY(double   maxZoom    READ maxZoom    WRITE setMaxZoom)

public:
  

  LtsImageCropper(QWidget *parent = nullptr, const QSize &size = {} , const QPixmap &pixmap = {});
  ~LtsImageCropper();

  

  void setPixmap(const QPixmap &pixmap);

  

  void setImage(const QImage &image);

  

  void setMultiplier(double multiplier);

  

  void setMaxZoom(double maxZoom) { m_maxScale = maxZoom; }

  

  QPixmap pixmap() { return grab(); }

  

  QImage  image();

  

  double multiplier() const { return m_multiplier; }

  

  double maxZoom() const { return m_maxScale; }

private:
  QGraphicsScene      *m_scene = nullptr;
  QGraphicsPixmapItem *m_pixmapItem = nullptr;

  double m_currentZoom;
  double m_minScale;
  double m_maxScale;
  double m_stepScale;
  double m_multiplier;

  void calculateScaleStep();

protected:
  void wheelEvent(QWheelEvent *event) override;
  void mousePressEvent(QMouseEvent *event) override;
  void mouseReleaseEvent(QMouseEvent *event) override;

};

}