nmWATI/Include/iBase/iUtils/ZxDrawHelper.h

#pragma once

#include <QRectF>
#include <QPainter>
#include "ZxDot.h"
#include <LlUtils_global.h>

/// 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);
    ///////////////////////////////////////////////////

};