private static void Redraw(Document doc, BlockTableRecord btr)
{
Regex regex = new Regex(@"\\[Ff][^;]+;");
// 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 (doc.UserData.ContainsKey(text.TextStyleName) && (bool)doc.UserData[text.TextStyleName])
{
text.WidthFactor = text.WidthFactor * WIDTH_SCALE;
text.Height = text.Height * HEIGHT_SCALE;
}
}
else if (oid.ObjectClass.DxfName == "MTEXT")
{
MText text = (MText)oid.GetObject(OpenMode.ForWrite);
if (doc.UserData.ContainsKey(text.TextStyleName) && (bool)doc.UserData[text.TextStyleName])
{
text.TextHeight = text.TextHeight * HEIGHT_SCALE;
text.LineSpacingFactor = text.LineSpacingFactor * HEIGHT_SCALE;
// 多行文本中可以嵌入字体，去掉这个信息
text.Contents = regex.Replace(text.Contents, "");
}
}
else if (oid.ObjectClass.DxfName == "DIMENSION")
{
Dimension dim = (Dimension)oid.GetObject(OpenMode.ForRead);
dim.Draw();
}
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("*"))
{
Redraw(doc, br.BlockTableRecord.GetObject(OpenMode.ForRead) as BlockTableRecord);
}
br.RecordGraphicsModified(true);
}
}
}
}