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 DynWorldDrawComment2( pCustomEntity,pWorldDraw, 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");
// 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;
// 设置文字样式。
pWorldDraw.TextStyle = "MyCommentFont";
// 动态绘制.
pWorldDraw.DrawEntity(comment);
}
动态绘制文字:
function ExplodeFun(pCustomEntity, pWorldDraw, txt) {
var sGuid = pCustomEntity.Guid;
if (sGuid == "TestMxCustomEntity1") {
if (!pCustomEntity.IsHave("First"))
return;
var stp = pCustomEntity.GetPoint("First");
var ept = pCustomEntity.GetPoint("BasePoint");
var dimpt = pCustomEntity.GetPoint("DimPoint");
var txt = pCustomEntity.GetString("Text");
var textH = pCustomEntity.GetDouble("TextHeight");
var edgeNum = pCustomEntity.GetLong("EdgeNumber");
var shapRadius = pCustomEntity.GetDouble("ShapRadius");
var isCircle = pCustomEntity.GetLong("isCircle");
var comment = mxOcx.NewEntity("IMxDrawComment");
comment.Text = txt;
comment.TextHeight = textH;
comment.EdgeNumber = edgeNum;
comment.ShapRadius = shapRadius;
comment.basePoint = ept;
comment.Position = dimpt;
pWorldDraw.TextStyle = "MyCommentFont";
// 动态绘制.
pWorldDraw.DrawEntity(comment);
// 绘制矩形框.
if (isCircle) {
var dR = stp.DistanceTo(ept) * 0.5;
var vec = stp.SumVector(ept);
vec.Mult(0.5);
ept.Add(vec);
pWorldDraw.DrawCircle(ept.x, ept.y, dR);
}
else {
pWorldDraw.DrawLine(stp.x, stp.y, stp.x, ept.y);
pWorldDraw.DrawLine(stp.x, ept.y, ept.x, ept.y);
pWorldDraw.DrawLine(ept.x, ept.y, ept.x, stp.y);
pWorldDraw.DrawLine(ept.x, stp.y, stp.x, stp.y);
}
mxOcx.SetEventRet(1);
}
}
动态绘制文字:
function DoCircleComment() {
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();
// 出来一个对象,让用户输入文字.
var winWidth = 440;
var winHeight = 140;
var winLeft = (screen.width - winWidth) / 2;
var winTop = (screen.height - winHeight) / 2 - 20;
var str = 'dialogHeight:' + winHeight + 'px;dialogWidth:' + winWidth + 'px;dialogTop:' + winTop + 'px;dialogLeft:' + winLeft + 'px;resizable:yes;center:yes;status:no;'
var rt = window.showModalDialog("Gettext.htm?tmp=" + Math.random(), "输入文字", str);
var txt;
if (typeof (rt) == "undefined") {
return;
} else {
var arr = rt.split(",");
txt = arr[0];
}
// 加入换行操作符\\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("DrawComment2");
// 设置动态绘制参数.
spDrawData.SetPoint("BasePoint", secondPt);
spDrawData.SetString("Text", txt);
spDrawData.SetDouble("TextHeight", 100);
spDrawData.SetLong("EdgeNumber", 2);
spDrawData.SetDouble("ShapRadius", 1);
// 开始取第二个点。
if (getSecondPt.go() != 1)
return;
var ent = mxOcx.DrawCustomEntity("TestMxCustomEntity1", "");
ent.SetPoint("BasePoint", secondPt);
ent.SetString("Text", txt);
ent.SetDouble("TextHeight", 100);
ent.SetLong("EdgeNumber", 2);
ent.SetDouble("ShapRadius", 1);
ent.SetPoint("DimPoint", getSecondPt.value());
ent.SetPoint("First", frstPt);
ent.SetLong("isCircle", 1);
}