code_app/app/scanner2/widget_imgproc_sidebar.h

#ifndef WIDGET_IMGPROC_SIDEBAR_H
#define WIDGET_IMGPROC_SIDEBAR_H

#include <QWidget>
#include "imgproc/HGImgProc.h"

namespace Ui {
class Widget_Imgproc_SideBar;
}

class Widget_Imgproc_SideBar : public QWidget
{
    Q_OBJECT

public:
    explicit Widget_Imgproc_SideBar(QWidget *parent = nullptr);
    ~Widget_Imgproc_SideBar();

    void setImage(HGImage image);
    void enableUI(bool enable);

protected:
    void paintEvent(QPaintEvent *e) override;

signals:
    void applyToImage(HGImage img, int brightness, int contrast, double gamma, bool enhanceText);
    void finish(bool ok);

private slots:
    void on_spin_brightness_valueChanged(int arg1);

    void on_spin_contrast_valueChanged(int arg1);

    void on_dspin_gamma_valueChanged(double arg1);

    void on_slider_gamma_valueChanged(int value);

    void on_pbtn_restoreDefault_clicked();

    void on_pbtn_ok_clicked();

    void on_pbtn_cancel_clicked();

    void on_checkBox_enhanceText_toggled(bool checked);

private:
    Ui::Widget_Imgproc_SideBar *ui;

    bool m_applyToImage;
    HGImage m_curImage;
};

#endif // WIDGET_IMGPROC_SIDEBAR_H