SignPenAppTablet/signpaintercachethread.h

#ifndef SIGNPAINTERCACHETHREAD_H
#define SIGNPAINTERCACHETHREAD_H

#include <QObject>
#include <QThread>
#include <QSemaphore>
#include <QMutex>
#include <QImage>
#include <QColor>
#include "signpenstructs.h"

class SignPainterCacheThread : public QThread
{
    Q_OBJECT
public:
    SignPainterCacheThread();
    void SetPainterRect(QRect rect);
    void SetCurrentPageIndex(int page){currentPageIndex = page;}
    void AddPoint(QPointF currPoint,int type,float radius,double force,double maxForce);
    void Paint(QPainter* painter,QRect currentVisibleRect);
    void ClearDraw();
    QList<SWAnnotPath*> GetAnnotPathLists(){return drawPaths;}
    void SetStressSwitch(bool isStressSwitch) { stressSwitch = isStressSwitch; }
    bool GetStressSwitch(){return stressSwitch;}

    void SetPenType(int type){penType = type;}

    void SetPenColor(QColor penColor){m_PenColor = penColor;}

protected:
    void run();

private:
    void PaintWithPainter(QPainter* painter,QRect currentVisibleRect);

    void SwPenSectionPathDraw(QList<SWRealPoint> points,SWRealPoint endRealPoint,int endFlag);
    void SwPenSectionPathDrawRightWithBezier(QPainterPath* bPath ,QList<Element>& elementList,CGPoint prevPoint,QList<SWRealPoint> rPoints,
                                             SWRealPoint endRealPoint,int endFlag,bool isEnd,bool isBegin);


    void SwPenPathDrawPoint(SWRealPoint point);

    QPainterPath SwPenPathDraw(bool isEnd,bool flushSection);
    QPainterPath SwPenPathDraw(SWAnnotPath *annotPath,bool isEnd,bool flushSection);
    void SwPenPathDrawRightWithBezier(QPainterPath* bPath ,QList<Element>& elementList,SWRealPoint prePenPoint,
                                      CGPoint prevPoint,QList<SWRealPoint> rPoints,bool end,bool isContinue,SWRealPoint lastPoint,bool isBegin);

    void SwPenPathDrawLeftPoint(QList<SWRealPoint> points,SWRealPoint endRealPoint);
    void SwPenPathDrawRightPoint(QPainterPath *bPath, QList<Element> &elementList,SWRealPoint prePenPoint,
                                 CGPoint prevPoint, QList<SWRealPoint> rPoints,SWRealPoint endRealPoint);

    void MouseMoved(const SWRealPoint& realPoint);
    void MousePressd(const SWRealPoint& realPoint);
    void MouseReleased(const SWRealPoint& realPoint);

    void Init();

    QPaintDevice *PaintingDevice();
    QPaintDevice *PaintedDevice();

    void DrawSignPath(QPainter* painter,const QPainterPath &path,bool isEnd);

signals:
    void NeedsToRefresh(QRect rect);
    void ReleasedExcuted();

private:
    QList<SWRealPoint> m_RealPoints;
    //原始点的互斥锁
    QMutex m_mutex;
    QSemaphore m_Sem;

    float preLineRadius;
    int strokeSpl;
    int stressSwitch;//是否开启压感 1开启  0关闭
    float stressSpl;

    int currentPageIndex;

    qint64 previousTimestamp;
    float pointSpeed;

    SWAnnotPath *curAnnotPath;
    qint64 lastPaintTimestamp;
    int paintFreq;

    //currentAnnot mutex
    QMutex m_AnnotMutex;

    QList<SWAnnotPath*> drawPaths;

    QImage* m_BaseBuf;
    //渲染bug，基于m_BaseBuf从上一次倒数10个点开始绘制，绘制到倒数10个点时，数据保存回m_BaseBuf
    QImage* m_PaintingBuf;

    QSize m_Size;
    QRect m_PaintRect;
    QRect m_OriRect;//新建画布原始
    int m_ScrollH;

    int drawStartIndex;
    QMutex m_drawMutex;

    int drawCount;
    int drawCountOffset;

    //标记上次计算贝塞尔点
    CGPoint preBezierPoint;

    bool isPressed;
    float m_fPixmapZoom;
    int m_fPixmaps;

    int penType;//画笔类型1软笔2签字笔
    QColor m_PenColor;

    qint64 lasttimestamp;

    int m_BufZoomWidth;

    int m_lastSectionIndex;
    SWRealPoint m_lastSectionPoint;
};

#endif // SIGNPAINTERCACHETHREAD_H