/// <summary>
/// 判断Text是否已存在（重复的Text）
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private bool TextExists(AcText text)
{
foreach (AcText t in _texts)
{
if (t.Value == text.Value && t.Position == text.Position && t.Height == text.Height)
{
return(true);
}
}
return(false);
}
/// <summary>
/// 识别选中的对象，将其变为内部结构
/// </summary>
/// <param name="objects"></param>
private void ParseObjects(IEnumerable objects, double baseX = 0, double baseY = 0, double xScale = 1, double yScale = 1)
{
foreach (ObjectId oid in objects)
{
switch (oid.ObjectClass.DxfName)
{
case "TEXT":
DBText text = (DBText)oid.GetObject(OpenMode.ForRead);
Point2d ptTextCenter = CommandUtils.GetCenterPoint(text);
AcText at1 = new AcText(text.TextString, new Point2d(baseX + xScale * ptTextCenter.X, baseY + yScale * ptTextCenter.Y), yScale * text.Height);
if (!TextExists(at1))
{
_texts.Add(at1);
}
break;
case "MTEXT":
MText mText = (MText)oid.GetObject(OpenMode.ForRead);
Point2d ptMTextCenter = CommandUtils.GetCenterPoint(mText);
AcText at2 = new AcText(mText.Text, new Point2d(baseX + xScale * ptMTextCenter.X, baseY + yScale * ptMTextCenter.Y), yScale * mText.Height);
if (!TextExists(at2))
{
_texts.Add(at2);
}
break;
case "LINE":
Line line = (Line)oid.GetObject(OpenMode.ForRead);
ParseLine(new Point2d(baseX + xScale * line.StartPoint.X, baseY + yScale * line.StartPoint.Y),
new Point2d(baseX + xScale * line.EndPoint.X, baseY + yScale * line.EndPoint.Y));
break;
case "LWPOLYLINE":
Polyline pLine = (Polyline)oid.GetObject(OpenMode.ForRead);
ParsePolyLine(pLine, baseX, baseY, xScale, yScale);
break;
case "INSERT":
DBObject obj = oid.GetObject(OpenMode.ForRead);
if (obj is BlockReference)
{
BlockReference br = obj as BlockReference;
BlockTableRecord btr = br.BlockTableRecord.GetObject(OpenMode.ForRead) as BlockTableRecord;
ParseObjects(btr, baseX + br.Position.X, baseY + br.Position.Y, xScale * br.ScaleFactors.X, yScale * br.ScaleFactors.Y);
}
break;
default:
//System.Windows.Forms.MessageBox.Show(oid.ObjectClass.DxfName);
break;
}
}
}