CAD交互绘制圆形云线批注（网页版）

概述js中实现代码说明： 动态拖放时的绘制事件： function DoDynWorldDrawFun(dX,dY,pWorldDraw,pData) { //自定义实体的GUID标识符 var sGuid = pData.Guid; //设置自定义事件的返回值 mxOcx.SetEventRet(0); var curPt = mxOcx.New

Js中实现代码说明：

动态拖放时的绘制事件：

function DoDynWorldDrawFun(dX,dY,pWorldDraw,pData) {    //自定义实体的GUID标识符    var sGuID = pData.GuID;    //设置自定义事件的返回值    mxOcx.SetEventRet(0);    var curPt = mxOcx.NewPoint();    curPt.x = dX;    curPt.y = dY;    if (sGuID == "DrawCircle") {    var pt1 = pData.GetPoint("pt1");    var dR = curPt.distanceto(pt1) * 0.5;    var vec = curPt.SumVector(pt1);    vec.Mult(0.5);    pt1.Add(vec);    pWorldDraw.DrawCircle(pt1.x,pt1.y,dR);}}

动态拖放时的绘制事件：

function DynWorldDrawCloudComment(pCustomEntity,curPt) {    // 得到绘制参数.    var sText = pCustomEntity.GetString("Text");    var dTextHeight = pCustomEntity.GetDouble("TextHeight");    var IEdgeNumber = pCustomEntity.GetLong("EdgeNumber");    var dShapRadius = pCustomEntity.GetDouble("ShapRadius");    var basePoint = pCustomEntity.GetPoint("BasePoint");    var frstPt = pCustomEntity.GetPoint("frstPt");    // 创建一个批注对象.    var comment = mxOcx.NewEntity("IMxDrawComment");    comment.Text = sText;    comment.TextHeight = dTextHeight;    comment.EdgeNumber = IEdgeNumber;    comment.ShapRadius = dShapRadius;    comment.basePoint = basePoint;    comment.position = curPt;    comment.BoundingBoxType = 5;    comment.ArrowType = 2;    comment.ShapRadius = 40;    var points = mxOcx.NewComObject("IMxDrawPoints");    //向点数组中增加一个点坐标    points.Add2(frstPt);    points.Add2(basePoint);    //标注框坐标数据    comment.Bounding = points;    var tmpp = mxOcx.NewResbuf();    tmpp.AddLong(1);    comment.SetProp("isAlwaysShowlineWeight",tmpp);    //线重    comment.lineweight = 25;    //实体的CAD颜色索引值属性    comment.colorIndex = 1;    // 设置文字样式。    pWorldDraw.TextStyle = "MyCommentFont";    // 动态绘制.    pWorldDraw.DrawEntity(comment);}

动态绘制文字：

function DoCloudCircleComment() {    var getPt = mxOcx.NewComObject("IMxDrawUiPrPoint");    getPt.message = "点取第一点";    if (getPt.go() != 1) {        return;    }    var frstPt = getPt.value();    if (frstPt == null)        return;    var getPt2 = mxOcx.NewComObject("IMxDrawUiPrPoint");    getPt2.message = "指定第二个点";    var spDrawData = getPt2.InitUserDraw("DrawCircle");    spDrawData.SetPoint("pt1",frstPt);    if (getPt2.go() != 1) {        return;    }    var secondPt = getPt2.value();    if (secondPt == null)        return;    var param = mxOcx.NewResbuf();    param.AddString("");    param.AddDouble(100);    var ret = mxOcx.CallEx("Mx_ShowMTextDialog",param);    if (ret.AtString(0) != "Ok") {        return;    }    var txt = ret.AtString(1);    var txtH = ret.AtDouble(2);    var txtcolorIndex = ret.AtLong(3);    // 加入换行 *** 作符\P    //txt = txt + "\PTEST";    // 创建一个文字样式,用于批注文字字体.    mxOcx.AddTextStyle2("MyCommentFont","黑体",0.7);    // 创建一个与用户交互取点的对象。    var getSecondPt = mxOcx.NewComObject("IMxDrawUiPrPoint");    getSecondPt.message = "输入标注位置点";    getSecondPt.basePoint = secondPt;    getSecondPt.setUseBasePt(false);    spDrawData = getSecondPt.InitUserDraw("DrawCloudComment");    // 设置动态绘制参数.    spDrawData.SetPoint("frstPt",frstPt);    spDrawData.SetPoint("BasePoint",secondPt);    spDrawData.SetString("Text",txt);    spDrawData.SetDouble("TextHeight",txtH);    spDrawData.SetLong("EdgeNumber",2);    spDrawData.SetDouble("ShapRadius",1);    // 开始取第二个点。    if (getSecondPt.go() != 1)        return;    var ret = spDrawData.Draw();    // 设置绘制的批注文字样式。    var ent = ret.AtObject(0);    ent.colorIndex = 1;}

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