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#ifndef SIGNPENPAINTER_H
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#define SIGNPENPAINTER_H
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#include <QObject>
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#include <QPointF>
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#include <QPainterPath>
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#include "SWPosPointcut.h"
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#include "signpenstructs.h"
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#define MaxBrushCount 2
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#define MinSpeed 300
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#define MaxSpeed 400
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#define MaxBrush 0.2f
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class SignPainterCacheThread;
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class SignPainterCacheThread_Linux;
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class QPainter;
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class SignPenPainter : public QObject
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{
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Q_OBJECT
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public:
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SignPenPainter();
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~SignPenPainter();
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void SetPainterRect(QRect rect);
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void SetPenType(int type);
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void SetPenColor(QColor penColor);
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void SetCurrentPageIndex(int page);
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void SetOffSetRect(QRect rect);
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void Init();
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void ClearDraw();
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void DrawRect(QPainter* painter,QRect currentVisibleRect);
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void MousePressed(CGPoint currentPoint,float radius,double force,double maxForce);//force 压感力度
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void MouseMoved(CGPoint currentPoint,float radius,double force,double maxForce);
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void MouseReleased(CGPoint currentPoint,float radius);
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void SetUseCache(bool use){ isUseCache = use;}
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bool GetUseCache(){return isUseCache;}
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void SetUseDebug(bool use){ isOutDebug = use;}
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bool GetUseDebug(){return isOutDebug;}
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void SetStressSwitch(bool isStressSwitch);
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bool GetStressSwitch();//是否使用压感设备
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QList<SWAnnotPath*> GetAnnotPathLists();
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QList<QPainterPath> GetPenPathData(QPainterPath &data, int pageIndex, QList<Element> penDataList, float factorW = 1.0, float factorH = 1.0, int offsetX = 0, int offsetY = 0);
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private:
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void SwPenPathDrawWithPainter(QPainter* bufPainter,bool isEnd);
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void SwPenPathDraw(bool isEnd);
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void SwPenPathDrawRightWithBezier(QPainterPath* bPath ,QList<Element>& elementList,SWRealPoint penPoint,CGPoint prevPoint,QList<SWRealPoint> rPoints,bool end);
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bool CGPointEqualToPoint(const CGPoint &point1, const CGPoint &point2);
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void CalculatePointcutWihtPoint(CGPoint point, float radius, bool stroke, bool circle);
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bool GetPointValid(SWRealPoint penPoint);
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CGPoint ConvertToCGPoint(SWPointcut cPoint);
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float GetDistanceBetweenPoint(QPointF start, QPointF end);
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QPaintDevice *PaintDevice();
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void SynToBaseDevice();
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signals:
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void NeedsDisplay(QRect rect);
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void NeedsRefresh();
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void ReleasedExcuted();
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//记录日志
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void log(QString);
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private:
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QPointF CGPointZero;
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int strokeSpl;
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float stressSpl;
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float penRadius;
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SWAnnotPath *curAnnotPath;
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QList<SWAnnotPath*> drawPaths;
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CGPoint selectPoint;
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//标记上次计算贝塞尔点
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CGPoint preBezierPoint;
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qint64 previousTimestamp;
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float pointSpeed;
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float preLineRadius;
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int stressSwitch;//是否开启压感 1开启 0关闭
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QImage* m_BaseBuf;
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//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
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QImage* m_PaintingBuf;
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QSize m_Size;
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QRect m_PaintRect;
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int m_StartIndex;//渲染开始的节点
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int SyncCount;// 重新绘制的数据
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bool isRelease;
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int m_ToImageIndex;//图片后的开始渲染点
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int m_FreshCount;//实时渲染的笔画数
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#ifdef Q_OS_WIN
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SignPainterCacheThread* cacheThread;
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#else
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SignPainterCacheThread_Linux* cacheThread;
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#endif
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bool isUseCache;
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bool isOutDebug;
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};
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#endif // SIGNPENPAINTER_H
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