#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>



QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

struct TabletContext
{
    int max_x;
    int max_y;
    int max_p;

    int sys_x;
    int sys_y;
    int sys_w;
    int sys_h;
};

struct TabletDataPacket
{
    unsigned int x;   //Wintab X
    unsigned int y;   //Wintab Y
    unsigned int p;   //压力
};

class QImage;
class SignPenPainter;
class MainWindow : public QMainWindow
{
    Q_OBJECT

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

public slots:
    void on_pushButton_clicked();
    void NeedToUpdate(QRect rect);

protected:
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
    virtual bool nativeEvent(const QByteArray &eventType, void *message, long *result);
#else
    virtual bool winEvent(MSG *message, long *result);
#endif
    virtual void paintEvent(QPaintEvent *event) override;
    virtual void resizeEvent(QResizeEvent *event) override;

    virtual void mousePressEvent(QMouseEvent *event) override;

    virtual void mouseMoveEvent(QMouseEvent *event) override;

    virtual void mouseReleaseEvent(QMouseEvent *event) override;
private slots:
    void on_checkBox_stateChanged(int arg1);

private:
    //初始化后台缓冲区
    void ResetBufferImage();

    //绘制笔迹
    void DrawSign_Base(int x,int y,int p,bool is_ink=false);
    void DrawSign_Wintab(const TabletDataPacket &pkt);
    void DrawSign_Ink(int ink_x,int ink_y,int ink_p);

    void MousePressed(QPointF currentPoint,double force,double maxForce,bool isStressSwitch);//force 压感力度
    void MouseMoved(QPointF currentPoint,double force,double maxForce,bool isStressSwitch);
    void MouseReleased(QPointF currentPoint);

private:
    Ui::MainWindow *ui;

//    QImage              *m_pImage{nullptr};
//    QPainter            *m_pPainter{nullptr};//后台绘图器
//    TabletContext m_tablet_ctx{0};
//    unsigned int m_wintab_handle{0};
//    bool m_mouse_pressed{false};
    QImage              *m_pImage;
    QPainter            *m_pPainter;//后台绘图器
    TabletContext m_tablet_ctx;
    unsigned int m_wintab_handle;
    bool m_mouse_pressed;
   // QList<TabletDataPacket> m_list_buffer;

    SignPenPainter* m_SignPenpainter;

    float penRadius;

    bool isUsedMouse;
    bool isUsedInk;
};
#endif // MAINWINDOW_H