code_app/app/twaintest/mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include "base/HGDef.h"
#include "twain_user/HGTwain.h"

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

private slots:
    void on_act_selectDevice_triggered();

    void on_pushButton_setCap_clicked();

    void on_pushButton_getCap_clicked();

    void on_pushButton_showUI_clicked();

    void on_pushButton_scan_clicked();

    void on_comboBox_setCap_currentTextChanged(const QString &arg1);

signals:
    void newImage(void *image);
    void clearRes();

private slots:
    void on_newImage(void *image);
    void on_clearRes();

private:
    static void HGAPI DSEventFunc(HGTwainDS ds, HGUInt event, HGPointer param);
    static HGUInt HGAPI DSImageFunc(HGTwainDS ds, HGImage image, HGUInt type, HGPointer param);

    void initCapbility();
    HGCapValue getHGCapValue();

    void updateUiEnable(bool enable);
    QString getDeviceName();
    QString getCachePath();
    QString getCacheFileName(HGImage img);

private:
    Ui::MainWindow *ui;
    HGTwainDSM m_twainDSM;
    HGTwainDS m_twainDS;

    QString m_cacheUuid;
};
#endif // MAINWINDOW_H