public void CaptureText()
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor editor = doc.Editor;
List <TextCapture> list = new List <TextCapture>();
using (DocumentLock m_DocumentLock = Application.DocumentManager.MdiActiveDocument.LockDocument())
{
using (Transaction tr = db.TransactionManager.StartTransaction())
{
// 获取PickFirst选择集
PromptSelectionResult psr = editor.SelectImplied();
// 如果提示状态OK，说明启动命令前选择了对象;
if (psr.Status != PromptStatus.OK)
{
WriteMessage($"{psr.Status}没有选中对象\n");
return;
}
SelectionSet sset = psr.Value;
foreach (var oid in sset.GetObjectIds())
{
if (oid.ObjectClass.DxfName == "TEXT")
{
DBText text = (DBText)oid.GetObject(OpenMode.ForWrite);
try
{
Bitmap img = EntityToImage(doc, tr, text);
TextCapture tc = new TextCapture(text.TextString, img);
list.Add(tc);
}
catch (System.Exception)
{
WriteMessage(text.TextString);
break;
}
}
else if (oid.ObjectClass.DxfName == "MTEXT")
{
MText text = (MText)oid.GetObject(OpenMode.ForWrite);
// WriteMessage(text.Text + "\n");
Bitmap img = EntityToImage(doc, tr, text);
TextCapture tc = new TextCapture(text.Text, img);
list.Add(tc);
}
}
tr.Commit();
}
}
SaveImages(list);
}
private List <TextCapture> EnumBlockTableRecord(Document doc, Transaction tr, BlockTableRecord btr)
{
List <TextCapture> list = new List <TextCapture>();
// 替换模型里所有文本的TextStyle
foreach (ObjectId oid in btr)
{
if (oid.ObjectClass.DxfName == "TEXT")
{
DBText text = (DBText)oid.GetObject(OpenMode.ForWrite);
if (string.IsNullOrEmpty(text.TextString))
{
continue;
}
try
{
Bitmap img = EntityToImage(doc, tr, text);
TextCapture tc = new TextCapture(text.TextString, img);
list.Add(tc);
}
catch (System.Exception e)
{
WriteMessage($"TEXT ERROR: {text.TextString} , 错误信息 {e}\n");
break;
}
}
else if (oid.ObjectClass.DxfName == "MTEXT")
{
MText text = (MText)oid.GetObject(OpenMode.ForWrite);
if (string.IsNullOrEmpty(text.Text))
{
continue;
}
try
{
Bitmap img = EntityToImage(doc, tr, text);
TextCapture tc = new TextCapture(text.Text, img);
list.Add(tc);
}
catch (System.Exception e)
{
WriteMessage($"MTEXT ERROR: {text.Text} , 错误信息 {e}\n");
break;
}
}
else if (oid.ObjectClass.DxfName == "INSERT")
{
Entity entity = (Entity)oid.GetObject(OpenMode.ForRead);
if (entity is BlockReference)
{
BlockReference br = entity as BlockReference;
// 处理未命名块（命名块在其他地方处理）
if (br.Name.StartsWith("*"))
{
list.AddRange(EnumBlockTableRecord(doc, tr, br.BlockTableRecord.GetObject(OpenMode.ForRead) as BlockTableRecord));
}
}
}
}
return(list);
}
