code_app/app/scanner2/dialog_imageeditor.h

#ifndef DIALOG_IMAGEEDITOR_H
#define DIALOG_IMAGEEDITOR_H

#include <QDialog>
#include <QImage>

namespace Ui {
class Dialog_ImageEditor;
}

class GraphicsScene;
class QResizeEvent;
class Dialog_ImageEditor : public QDialog
{
    Q_OBJECT

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

    void setImage(const QImage& image);

    QImage exportImage();

private slots:
    void on_itemChanged();

private slots:
    void on_btn_rect_clicked(bool checked);

    void on_btn_ellipse_clicked(bool checked);

    void on_btn_line_clicked(bool checked);

    void on_btn_text_clicked(bool checked);

    void on_btn_arrow_clicked(bool checked);

    void on_btn_pen_clicked(bool checked);

    void on_btn_color_clicked();

    void on_comboBox_lineWidth_currentIndexChanged(int index);

    void on_comboBox_textSize_currentIndexChanged(int index);

    void on_btn_undo_clicked();

    void on_btn_ok_clicked();

    void on_btn_cancel_clicked();

    void on_btn_zoomIn_clicked();

    void on_btn_zoomOut_clicked();

    void on_btn_zoom_clicked();

    void on_btn_fit_clicked();

    void on_btn_redo_clicked();

    void on_btn_clear_clicked();

    void on_btn_mask_clicked(bool checked);

protected:
    void resizeEvent(QResizeEvent* event);

private:
    Ui::Dialog_ImageEditor *ui;
    GraphicsScene* m_scene;
    QSize m_imageSize;
    int m_dpi_x;
    int m_dpi_y;
    int m_index_scaled;
    bool m_isFit;
};

#endif // DIALOG_IMAGEEDITOR_H