public void autoBlockFit(Database db, BlockTableRecord blockTR, Transaction tr)
{
Point3d DownLeft_Point = new Point3d();
Point3d UpRight_Point = new Point3d();
string compareResult = string.Empty;
bool started = false;
try
{
blockTR.UpgradeOpen();
DBObjectCollection EntityInOldBlock = new DBObjectCollection();
string blockName = blockTR.Name;
foreach (ObjectId entId in blockTR)
{
DBObject objSubBlock = (DBObject)tr.GetObject(entId, OpenMode.ForWrite);
EntityInOldBlock.Add(objSubBlock);
if (objSubBlock.Bounds == null)
{
continue;
}
else
{
if (started == false)
{
UpRight_Point = objSubBlock.Bounds.Value.MaxPoint;
DownLeft_Point = objSubBlock.Bounds.Value.MinPoint;
started = true;
continue;
}
else
{
string compareMaxRes = string.Empty;
string compareMinRes = string.Empty;
if (objSubBlock.Bounds.Value.MaxPoint.X > UpRight_Point.X)
{
UpRight_Point = new Point3d(objSubBlock.Bounds.Value.MaxPoint.X, UpRight_Point.Y, UpRight_Point.Z);
}
if (objSubBlock.Bounds.Value.MaxPoint.Y > UpRight_Point.Y)
{
UpRight_Point = new Point3d(UpRight_Point.X, objSubBlock.Bounds.Value.MaxPoint.Y, UpRight_Point.Z);
}
if (objSubBlock.Bounds.Value.MinPoint.X < DownLeft_Point.X)
{
DownLeft_Point = new Point3d(objSubBlock.Bounds.Value.MinPoint.X, DownLeft_Point.Y, UpRight_Point.Z);
}
if (objSubBlock.Bounds.Value.MinPoint.Y < DownLeft_Point.Y)
{
DownLeft_Point = new Point3d(DownLeft_Point.X, objSubBlock.Bounds.Value.MinPoint.Y, UpRight_Point.Z);
}
}
}
objSubBlock.DowngradeOpen();
}
//CreateBlock(blockTR.Name, EntityInOldBlock, DownLeft_Point);
objectBound ob = new objectBound(DownLeft_Point, UpRight_Point);
sizeEntity.Add(blockName, ob);
blockTR.Origin = DownLeft_Point;
blockTR.DowngradeOpen();
//minPoint和maxPoint只差为块的大小.
//通过缩放解决图形大小的问题.
//minPoint的位置为块离原点的距离,默认为离基点的距离.
//通过平移解决插入位置的问题
/*
* Polyline c1 = new Polyline();
* c1.CreatePolyCircle(new Point2d(UpRight_Point.X, UpRight_Point.Y), 5);
*
* Polyline c2 = new Polyline();
* c2.CreatePolyCircle(new Point2d(DownLeft_Point.X, DownLeft_Point.Y), 5); ;
*
* c1.ColorIndex = 200; //upright
* c2.ColorIndex = 100;
* //db.AddToModelSpace(c1, c2);
*
* try
* {
* blockTR.UpgradeOpen();
* blockTR.AppendEntity(c1);
* blockTR.AppendEntity(c2);
* tr.AddNewlyCreatedDBObject(c1, true);
* tr.AddNewlyCreatedDBObject(c2, true);
* blockTR.DowngradeOpen();
*
*
*
* }
* catch (Exception ee)
* {
* MessageBox.Show(ee + "");
* }
*/
}
catch (Autodesk.AutoCAD.Runtime.Exception ee)
{
}
}
/// DocumentLock m_DocumentLock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();
/// 代码...
/// m_DocumentLock.Dispose();
///
public bool GenerateBlockPreview(string openFilePath)
{
bool proEnd = false;
Database db = HostApplicationServices.WorkingDatabase;
ObjectId spaceId = db.CurrentSpaceId;//获取当前空间(模型空间或图纸空间)
Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
// 提示用户选择文件
//PromptFileNameResult result = ed.GetFileNameForOpen("请选择需要预览的文件");
//if (result.Status != PromptStatus.OK) return; // 如果未选择，则返回
//string filename = result.StringResult; // 获取带有路径的文件名
string filename = openFilePath;
// 在C盘根目录下创建一个临时文件夹，用来存放文件中的块预览图标
string path = string.Empty;
#if DEBUG
path = StockLocation;// "C:\\Temp";
//string b=
#else
path = "..\\Resourse\\";
#endif
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
using (Transaction trans = db.TransactionManager.StartTransaction())
{
try
{
DocumentLock m_DocumentLock = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.LockDocument();
// 导入外部文件中的块
db.ImportBlocksFromDwg(filename);
//打开块表
BlockTable bt = (BlockTable)trans.GetObject(db.BlockTableId, OpenMode.ForRead);
// 循环遍历块表中的块表记录
//int i=0;
foreach (ObjectId blockRecordId in bt)
{
// 打开 块表 记录对象
BlockTableRecord btRecord = (BlockTableRecord)trans.GetObject(blockRecordId, OpenMode.ForRead);
// 如果是匿名块、布局块及没有预览图形的块，则返回
if (btRecord.IsAnonymous || btRecord.IsLayout || !btRecord.HasPreviewIcon)
{
continue;
}
Bitmap preview;
try
{
StringBuilder str = new StringBuilder();
if (!btRecord.IsDynamicBlock)
{
str.Append("D");
}
if (btRecord.ExtensionDictionary == null)
{
str.Append("E");
}
// 获取块预览图案（适用于AutoCAD 2008及以下版本）
//preview = BlockThumbnailHelper.GetBlockThumbanail(btr.ObjectId);
preview = btRecord.PreviewIcon; // 适用于AutoCAD 2009及以上版本
preview.Save(path + "\\" + btRecord.Name + "_" + str.ToString() + ".bmp"); // 保存块预览图案
//自动整理图块比例
//listBox1.Items.Add(btRecord.Name);
autoBlockFit(db, btRecord, trans);
/*if (sizeEntity.ContainsKey(btRecord.Name))
* {
* objectBound objectSize=new objectBound();
* objectSize= sizeEntity[btRecord.Name];
* objectSize.GetType();
* Point3d downLeft = objectSize.downLeftPoint;
* double objSize = objectSize.upRightPoint.X - objectSize.downLeftPoint.X;// objectSize.upRightPoint.Y - objectSize.downLeftPoint.Y);
* double scaleSize=30/objSize;
* //string a = objectSize.;
* //Scale(blockRecordId, downLeft, scaleSize);
* }*/
//int numa = sizeEntity.Count;
//重新生成块
//btr.
//在图中插入 块参照 (画块)
objectBound objectSize = sizeEntity[btRecord.Name];
Point3d insetP = new Point3d(Point3d.Origin.X - objectSize.downLeftPoint.X, Point3d.Origin.Y - objectSize.downLeftPoint.Y, 0);
Scale3d scaleX = new Scale3d(30 / (objectSize.upRightPoint.X - objectSize.downLeftPoint.X));
Scale3d scaleY = new Scale3d(30 / (objectSize.upRightPoint.X - objectSize.downLeftPoint.Y));
Scale3d scaleE;
Point3d a = btRecord.Origin;
if (scaleX.X > scaleY.X)
{
scaleE = scaleY;
}
else
{
scaleE = scaleX;
}
//spaceId.InsertBlockReference("0", btRecord.Name, new Point3d(Point3d.Origin.X, Point3d.Origin.Y, 0), scaleE, 0);
LayerTable lt = db.LayerTableId.GetObject(OpenMode.ForRead) as LayerTable;
if (!lt.Has("1"))
{
LayerTableRecord ltr = new LayerTableRecord();
ltr.Name = "1";
lt.UpgradeOpen();
lt.Add(ltr);
db.TransactionManager.AddNewlyCreatedDBObject(ltr, true);
lt.DowngradeOpen();
}
if ((btRecord.Origin.X <= objectSize.upRightPoint.X || btRecord.Origin.X >= objectSize.downLeftPoint.X) && (btRecord.Origin.Y <= objectSize.upRightPoint.Y || btRecord.Origin.Y >= objectSize.downLeftPoint.Y))
{
spaceId.InsertBlockReference("0", btRecord.Name, new Point3d(Point3d.Origin.X, Point3d.Origin.Y, 0), scaleE, 0);
}
else
{
spaceId.InsertBlockReference("1", btRecord.Name, insetP, scaleE, 0);
}
//spaceId.InsertBlockReference("1", btRecord.Name, insetP, scaleE, 0);
/*
* DBText text1 = new DBText();
* text1.TextString = "layer0";
* text1.Height = 20;
* text1.Position = new Point3d(Point3d.Origin.X, Point3d.Origin.Y, 0);
* DBText text2 = new DBText();
* text2.TextString = "layer1";
* text2.Height = 20;
* text2.Position = insetP;
* db.AddToModelSpace(text1, text2);
* trans.Commit();
*/
}
catch (Exception ee)
{
trans.Abort();
ed.WriteMessage("错误; " + ee.ToString());
//preview = btr.PreviewIcon; // 适用于AutoCAD 2009及以上版本
}
}
//
trans.Commit();
int numa = sizeEntity.Count;
foreach (var item in typeAndNum)
{
listBox1.Items.Add("type " + item.Key + "; Number: " + item.Value);
}
m_DocumentLock.Dispose();
fillImageList("C:\\Temp", defSize);
fileListView("C:\\Temp");
proEnd = true;
}
catch (Exception ee)
{
trans.Abort();
MessageBox.Show("" + ee, "error");
}
}
return(proEnd);
}