#pragma once #include #include #include "ZxDot.h" #include /// 一些简单而通用的图元绘制 class I_UTILSSHARED_EXPORT ZxDrawHelper { public: ZxDrawHelper(); ~ZxDrawHelper(); // 返回DRAWING_TYPE的类型描述 static QStringList getDotStyleDescs(); /// 绘制焦点 static void drawFocus(QPainter* painter,QRectF rect); /// 绘制点 static void drawPoint(QPainter* painter,QPointF point[],int cnt,int nDotStyle,float fRadius,bool isFill,QColor clr); static void drawPoint(QPainter* painter, QPointF point[], int cnt, ZxDot o); /// 绘制点 static void drawPoint(QPainter* painter,QPointF point,int nDotStyle,float fRadius,bool isFill,QColor clr); static void drawPoint(QPainter* painter, QPointF point, ZxDot o); /// 绘制圆 static void drawCircle(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制正方形 static void drawSquare(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制上三角 static void drawUpTriangle(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制下三角 static void drawDownTriangle(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制左三角 static void drawLeftTriangle(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制右三角 static void drawRightTriangle(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制菱形 static void drawDiamond(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制叉 static void drawCross(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制十字架 static void drawPlus(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制六角星 static void drawStar(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制梯形塔台 static void drawRig(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr); /// 绘制带线的三角形 static void drawTriangleWithLine(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr,float fAngle = 0); /// 绘制带线的圆 static void drawCricleWithLine(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr,float fAngle = 0); /// 绘制箭头 static void drawArrow(QPainter* painter,QPointF point,float fRadius,bool isFill,QColor clr,float fAngle = 0); /// 求两条线段的夹角 static float straightAngle(QPointF ptLine1Start,QPointF ptLine1End,QPointF ptLine2Start,QPointF ptLine2End); /// 绘制文本 static void drawText(QPainter* painter, const QRectF& rt, \ int flags, const QString& s, bool bTrimStr = true); static void drawText(QPainter* painter, const QPointF& pt, \ const QString& s, bool bTrimStr = true); //该函数用的很少,不建议使用 /////////////////////////////////////////////////// // TODO 如下几个函数可以考虑放入zxAlgMath类库之中,目前为了减少类库依赖,暂时放在此处 /// 点是否在附近 static bool isPointNearPoint(QPointF point1,QPointF point2,float nMinDist=1.f); /// 点是否在直线附近 static bool isPointNearLine(QPointF pt1,QPointF pt2,QPointF pt3,float nMinDist=1.f); static double pointToLineDis(QPointF pt1,QPointF pt2,QPointF pt3); /////////////////////////////////////////////////// };