public ViewportTableRecord getCurrentViewPort(Document document)
{
ViewportTableRecord viewport_tablerecord = new ViewportTableRecord();
using (Transaction tr = document.Database.TransactionManager.StartTransaction())
{
ViewportTable viewport_table = tr.GetObject(document.Database.ViewportTableId, OpenMode.ForRead) as ViewportTable;
viewport_tablerecord = tr.GetObject(viewport_table["*Active"], OpenMode.ForRead) as ViewportTableRecord;
tr.Commit();
return(viewport_tablerecord);
}
}
/// <summary>
/// 获取当前活动视口
/// </summary>
/// <param name="db">数据库对象</param>
/// <returns>返回当前活动视口的Id</returns>
public static ObjectId CurrentViewportTableRecordId(this Database db)
{
ObjectId vtrId = ObjectId.Null;
ViewportTable vt = (ViewportTable)db.ViewportTableId.GetObject(OpenMode.ForRead);
foreach (ObjectId id in vt)
{
if (!id.IsErased)
{
vtrId = id;
break;
}
}
return(vtrId);
}
public static string ZoomFilesAndSave(string fileName)
{
string newFileName = "";
using (Database db = new Database(false, false))
{
db.ReadDwgFile(fileName, FileOpenMode.OpenForReadAndReadShare, true, null);
Database prevDb = HostApplicationServices.WorkingDatabase;
HostApplicationServices.WorkingDatabase = db;
db.UpdateExt(true);
using (ViewportTable vTab = db.ViewportTableId.GetObject(OpenMode.ForRead) as ViewportTable)
{
ObjectId acVptId = vTab["*Active"];
using (ViewportTableRecord vpTabRec = acVptId.GetObject(OpenMode.ForWrite) as ViewportTableRecord)
{
double scrRatio = (vpTabRec.Width / vpTabRec.Height);
Matrix3d matWCS2DCS = Matrix3d.PlaneToWorld(vpTabRec.ViewDirection);
matWCS2DCS = Matrix3d.Displacement(vpTabRec.Target - Point3d.Origin) * matWCS2DCS;
matWCS2DCS = Matrix3d.Rotation(-vpTabRec.ViewTwist,
vpTabRec.ViewDirection,
vpTabRec.Target)
* matWCS2DCS;
matWCS2DCS = matWCS2DCS.Inverse();
Extents3d extents = new Extents3d(db.Extmin, db.Extmax);
extents.TransformBy(matWCS2DCS);
double width = (extents.MaxPoint.X - extents.MinPoint.X);
double height = (extents.MaxPoint.Y - extents.MinPoint.Y);
Point2d center = new Point2d((extents.MaxPoint.X + extents.MinPoint.X) * 0.5,
(extents.MaxPoint.Y + extents.MinPoint.Y) * 0.5);
if (width > (height * scrRatio))
{
height = width / scrRatio;
}
vpTabRec.Height = height;
vpTabRec.Width = height * scrRatio;
vpTabRec.CenterPoint = center;
}
}
HostApplicationServices.WorkingDatabase = prevDb;
newFileName = fileName.Substring(0, fileName.Length - 4) + "z.dwg";
db.SaveAs(newFileName, DwgVersion.Current);
}
return(newFileName);
}
public void CreateViewPost()
{
Database db = HostApplicationServices.WorkingDatabase;
Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;
using (Transaction trans = db.TransactionManager.StartTransaction())
{
ViewportTable vpt = (ViewportTable)trans.GetObject(db.ViewportTableId, OpenMode.ForWrite);
string vName = "abc";
ViewportTableRecord vptr1 = new ViewportTableRecord();
vptr1.LowerLeftCorner = new Point2d(0, 0);
vptr1.UpperRightCorner = new Point2d(0.5, 0.5);
vptr1.Name = vName;
ViewportTableRecord vptr2 = new ViewportTableRecord();
vptr2.LowerLeftCorner = new Point2d(0.5, 0);
vptr2.UpperRightCorner = new Point2d(1, 0.5);
vptr2.Name = vName;
ViewportTableRecord vptr3 = new ViewportTableRecord();
vptr3.LowerLeftCorner = new Point2d(0, 0.5);
vptr3.UpperRightCorner = new Point2d(0.5, 1);
vptr3.Name = vName;
ViewportTableRecord vptr4 = new ViewportTableRecord();
vptr4.LowerLeftCorner = new Point2d(0.5, 0.5);
vptr4.UpperRightCorner = new Point2d(1, 1);
vptr4.Name = vName;
vpt.Add(vptr1);
vpt.Add(vptr2);
vpt.Add(vptr3);
vpt.Add(vptr4);
trans.AddNewlyCreatedDBObject(vptr1, true);
trans.AddNewlyCreatedDBObject(vptr2, true);
trans.AddNewlyCreatedDBObject(vptr3, true);
trans.AddNewlyCreatedDBObject(vptr4, true);
Document doc = Application.DocumentManager.MdiActiveDocument;
if (Application.GetSystemVariable("TILEMODE") == (object)1)
{
doc.SendStringToExecute("-VPORTS 4 ", false, false, false);
}
else
{
doc.SendStringToExecute("-VPORTS 4 ", false, false, false);
}
trans.Commit();
}
}
getViewportTable(Transaction tr, Database db)
{
ObjectId id = ObjectId.Null;
try
{
using (tr)
{
ViewportTable vpT = (ViewportTable)tr.GetObject(db.ViewportTableId, OpenMode.ForRead);
id = vpT.ObjectId;
}
}
catch (System.Exception ex)
{
BaseObjs.writeDebug(ex.Message + " VPort.cs: line: 31");
}
return(id);
}
public static bool GetActiveViewPortInfo(ref double height, ref double width, ref Point3d target, ref Vector3d viewDir, ref double viewTwist, bool getViewCenter)
{
// get the editor object
Editor ed = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor;
ed.UpdateTiledViewportsInDatabase();
Database db = HostApplicationServices.WorkingDatabase;
using (Transaction t = db.TransactionManager.StartTransaction())
{
ViewportTable vt = (ViewportTable)t.GetObject(db.ViewportTableId, OpenMode.ForRead);
ViewportTableRecord btr = (ViewportTableRecord)t.GetObject(vt["*Active"], OpenMode.ForRead);
height = btr.Height;
width = btr.Width;
target = btr.Target;
viewDir = btr.ViewDirection;
viewTwist = btr.ViewTwist;
t.Commit();
}
return(true);
}
public override void Run(string filename, Database db)
{
using (Transaction tr = db.TransactionManager.StartTransaction())
{
try
{
Point2d pmin = new Point2d(db.Extmin.X, db.Extmin.Y);
Point2d pmax = new Point2d(db.Extmax.X, db.Extmax.Y);
ViewportTable vpt = (ViewportTable)tr.GetObject(db.ViewportTableId, OpenMode.ForRead);
ViewportTableRecord vptr = (ViewportTableRecord)tr.GetObject(vpt["*Active"], OpenMode.ForWrite);
ZoomToExtentsofViewport(vptr);
db.UpdateExt(true);
}
catch (System.Exception ex)
{
OnError(ex);
}
tr.Commit();
}
}
private void zoomDb(Autodesk.AutoCAD.DatabaseServices.Database db, Extents3d ext)
{
using (var switcher = new AcadLib.WorkingDatabaseSwitcher(db))
{
//db.UpdateExt(true);
using (ViewportTable vTab = db.ViewportTableId.GetObject(OpenMode.ForRead) as ViewportTable)
{
ObjectId acVptId = vTab["*Active"];
using (ViewportTableRecord vpTabRec = acVptId.GetObject(OpenMode.ForWrite) as ViewportTableRecord)
{
double scrRatio = (vpTabRec.Width / vpTabRec.Height);
//Matrix3d matWCS2DCS = Matrix3d.PlaneToWorld(vpTabRec.ViewDirection);
//matWCS2DCS = Matrix3d.Displacement(vpTabRec.Target - Point3d.Origin) * matWCS2DCS;
//matWCS2DCS = Matrix3d.Rotation(-vpTabRec.ViewTwist,
// vpTabRec.ViewDirection,
// vpTabRec.Target)
// * matWCS2DCS;
//matWCS2DCS = matWCS2DCS.Inverse();
//Extents3d extents = new Extents3d(db.Extmin, db.Extmax);
//extents.TransformBy(matWCS2DCS);
//double width = (extents.MaxPoint.X - extents.MinPoint.X);
//double height = (extents.MaxPoint.Y - extents.MinPoint.Y);
//Point2d center = new Point2d((extents.MaxPoint.X + extents.MinPoint.X) * 0.5,
// (extents.MaxPoint.Y + extents.MinPoint.Y) * 0.5);
double width = (ext.MaxPoint.X - ext.MinPoint.X);
double height = (ext.MaxPoint.Y - ext.MinPoint.Y);
if (width > (height * scrRatio))
{
height = width / scrRatio;
}
vpTabRec.Height = ext.MaxPoint.Y - ext.MinPoint.Y;
vpTabRec.Width = height * scrRatio;
vpTabRec.CenterPoint = ext.Center().Convert2d();
}
}
}
}
// Create a new tiled viewport configuration with two windows
public void Create_Mode_ViewPort()
{
// get the current database
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
using (Transaction acTrans = db.TransactionManager.StartTransaction())
{
// open the viewport table for read
ViewportTable vtab = acTrans.GetObject(db.ViewportTableId, OpenMode.ForRead) as ViewportTable;
// check to see if the named view 'Test Viewport' exists
if (vtab.Has("Test_ViewPort") == false)
{
// open the view table for write
vtab.UpgradeOpen();
// add the new viewport to the viewport table and the transaction
ViewportTableRecord vptableRecordLwr = new ViewportTableRecord();
vtab.Add(vptableRecordLwr);
acTrans.AddNewlyCreatedDBObject(vptableRecordLwr, true);
// name the new viewport 'Test_ViewPort' and assign it to be the lower half of the drawing window
vptableRecordLwr.Name = "Test_ViewPort";
vptableRecordLwr.LowerLeftCorner = new Point2d(0, 0);
vptableRecordLwr.UpperRightCorner = new Point2d(1, 0.5);
// Add the new viewport to the viewport table and the transaction
ViewportTableRecord vptableRecordUpr = new ViewportTableRecord();
vtab.Add(vptableRecordUpr);
acTrans.AddNewlyCreatedDBObject(vptableRecordUpr, true);
// name the new viewport 'Test_ViewPort' and assign it to be the upper half of the drawing window
vptableRecordUpr.Name = "Test_ViewPort";
vptableRecordUpr.LowerLeftCorner = new Point2d(0, .5);
vptableRecordUpr.UpperRightCorner = new Point2d(1, 1);
// to assign the new viewport as the active viewpport,
// the viewport named active nedd to be removed and recreated based on "Test_ViewPort"
// step through each object in the symbol table
foreach (ObjectId acObjectId in vtab)
{
// open the object for read
ViewportTableRecord acVportTblRec = acTrans.GetObject(acObjectId, OpenMode.ForRead) as ViewportTableRecord;
// see if it is one of the active viewports, and if so erase it
if (acVportTblRec.Name == "*Active")
{
acVportTblRec.UpgradeOpen();
acVportTblRec.Erase();
}
}
// clone the new viewport as the active viewports
foreach (ObjectId acObjId in vtab)
{
// open the object for read
ViewportTableRecord acVportTblRec = acTrans.GetObject(acObjId, OpenMode.ForRead) as ViewportTableRecord;
// see if it is one of the active viewports, and if so erase it
if (acVportTblRec.Name == "*Test_ViewPort")
{
ViewTableRecord acVportTblRecClone = acVportTblRec.Clone() as ViewTableRecord;
// add the new viewport to the viewport table and the transaction
vtab.Add(acVportTblRecClone);
acVportTblRecClone.Name = "*Active";
acTrans.AddNewlyCreatedDBObject(acVportTblRecClone, true);
}
}
// update display with the new tiled viewports arrangment
Editor ed = doc.Editor;
ed.UpdateTiledViewportsFromDatabase();
// commit changes
acTrans.Commit();
}
}
}
public static void LoadProcedures()
{
_ListProcedures.Clear();
#region Purge
if (_DWGCollection.Purge)
{
_ListProcedures.Add(new Procedure(delegate(Database db, Transaction tr, DWGFileModel objDWG)
{
// Create the list of objects to "purge"
ObjectIdCollection idsToPurge = ArCaUtils.GetObjIdNonGrafical(db);
// Call the Purge function to filter the list
db.Purge(idsToPurge);
if (idsToPurge.Count != 0)
{
// Erase each of the objects we've been
// allowed to
foreach (ObjectId id in idsToPurge)
{
DBObject obj = tr.GetObject(id, OpenMode.ForWrite);
obj.Erase();
}
//Was Changed
objDWG.IsChanged = true;
}
}));
}
#endregion
#region Lock View Ports
if (_DWGCollection.LockViewPorts)
{
_ListProcedures.Add(new Procedure(delegate(Database db, Transaction tr, DWGFileModel objDWG)
{
//Block Table
BlockTable btBlock = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
foreach (ObjectId btrId in btBlock)
{
BlockTableRecord ltr = tr.GetObject(btrId, OpenMode.ForWrite) as BlockTableRecord;
foreach (ObjectId acObjId in ltr)
{
if (acObjId.ObjectClass.DxfName == "VIEWPORT")
{
Viewport vp = tr.GetObject(acObjId, OpenMode.ForWrite) as Viewport;
vp.Locked = true;
//Was Changed
objDWG.IsChanged = true;
}
}
}
}));
}
if (_DWGCollection.ZoomExtents)
{
_ListProcedures.Add(new Procedure(delegate(Database db, Transaction tr, DWGFileModel objDWG)
{
//Model
ViewportTable vpt = tr.GetObject(db.ViewportTableId, OpenMode.ForWrite) as ViewportTable;
foreach (ObjectId btrId in vpt)
{
ViewportTableRecord vptrec = tr.GetObject(btrId, OpenMode.ForWrite) as ViewportTableRecord;
SetViewportToExtents(db, vptrec);
}
//Paper Spaces
BlockTable btBlock = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
foreach (ObjectId btrId in btBlock)
{
BlockTableRecord btr = tr.GetObject(btrId, OpenMode.ForWrite) as BlockTableRecord;
if (!btr.Name.StartsWith("*Paper_Space"))
{
continue;
}
//Retrieve paper space viewport (viewport with the lowest handle)
Viewport paperVp = null;
long lowestHandle = -1;
foreach (ObjectId acObjId in btr)
{
if (acObjId.ObjectClass.Name == "AcDbViewport")
{
Viewport vp = tr.GetObject(acObjId, OpenMode.ForRead) as Viewport;
if (lowestHandle < 0)
{
lowestHandle = vp.Handle.Value;
paperVp = vp;
}
else if (vp.Handle.Value < lowestHandle)
{
paperVp = vp;
lowestHandle = vp.Handle.Value;
}
}
}
if (paperVp == null)
{
return;
}
paperVp.UpgradeOpen();
double scrRatio = (paperVp.Width / paperVp.Height);
Matrix3d matWCS2DCS = Matrix3d.PlaneToWorld(paperVp.ViewDirection);
matWCS2DCS = Matrix3d.Displacement(paperVp.ViewTarget - Point3d.Origin) * matWCS2DCS;
matWCS2DCS = Matrix3d.Rotation(-paperVp.TwistAngle,
paperVp.ViewDirection,
paperVp.ViewTarget)
* matWCS2DCS;
matWCS2DCS = matWCS2DCS.Inverse();
Extents3d extents = GetExtents(db, btr);
extents.TransformBy(matWCS2DCS);
double width = (extents.MaxPoint.X - extents.MinPoint.X);
double height = (extents.MaxPoint.Y - extents.MinPoint.Y);
Point2d center = new Point2d((extents.MaxPoint.X + extents.MinPoint.X) * 0.5,
(extents.MaxPoint.Y + extents.MinPoint.Y) * 0.5);
if (width > (height * scrRatio))
{
height = width / scrRatio;
}
paperVp.ViewHeight = height;
paperVp.ViewCenter = center;
//Was Changed
objDWG.IsChanged = true;
}
}));
}
#endregion
}
public static void QuickView()
{
List <Point2d> viewsLower = new List <Point2d>()
{
new Point2d(0, 0.5), new Point2d(0, 0), new Point2d(0.5, 0)
};
List <Point2d> viewsUpper = new List <Point2d>()
{
new Point2d(0.5, 1), new Point2d(0.5, 0.5), new Point2d(1, 0.5)
};
List <OrthographicView> viewsDirection = new List <OrthographicView>()
{
OrthographicView.TopView, OrthographicView.FrontView, OrthographicView.RightView,
};
Document doc = Application.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
Editor ed = doc.Editor;
Autodesk.AutoCAD.ApplicationServices.Application.MainWindow.Focus();
LayoutManager layoutManager = LayoutManager.Current;
if (layoutManager.LayoutExists("QuickView"))
{
layoutManager.CurrentLayout = "Model";
FirstViewPort = (short)Application.GetSystemVariable("CVPORT");
Application.SetSystemVariable("CVPORT", FirstViewPort);
ed.Command("-vports", "toggle");
return;
}
using (DocumentLock lockDoc = doc.LockDocument())
{
using (Transaction trans = db.TransactionManager.StartTransaction())
{
ViewportTable vportTable = trans.GetObject(db.ViewportTableId, OpenMode.ForWrite) as ViewportTable;
ViewportTableRecord vportTableRec = trans.GetObject(ed.ActiveViewportId, OpenMode.ForWrite) as ViewportTableRecord;
BlockTable bTable = trans.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
BlockTableRecord bTableRec = trans.GetObject(bTable[BlockTableRecord.PaperSpace], OpenMode.ForWrite) as BlockTableRecord;
FirstViewPort = System.Convert.ToInt16(vportTableRec.Number);
vportTableRec.LowerLeftCorner = new Point2d(0.5, 0.5);
vportTableRec.UpperRightCorner = new Point2d(1, 1);
vportTableRec.ViewDirection = new Vector3d(Math.Sqrt(1.0 / 3.0), -Math.Sqrt(1.0 / 3.0), Math.Sqrt(1.0 / 3.0));
DBDictionary dict = trans.GetObject(db.VisualStyleDictionaryId, OpenMode.ForRead) as DBDictionary;
vportTableRec.VisualStyleId = dict.GetAt("2DWireframe");
for (int i = 0; i < 3; i++)
{
using (ViewportTableRecord vportTableRecNew = new ViewportTableRecord())
{
vportTable.Add(vportTableRecNew);
trans.AddNewlyCreatedDBObject(vportTableRecNew, true);
vportTableRecNew.SetViewDirection(viewsDirection[i]);
vportTableRecNew.Name = "*Active";
vportTableRecNew.LowerLeftCorner = viewsLower[i];
vportTableRecNew.UpperRightCorner = viewsUpper[i];
}
}
ed.UpdateTiledViewportsFromDatabase();
foreach (ObjectId vp in vportTable)
{
ViewportTableRecord vpTR = trans.GetObject(vp, OpenMode.ForRead) as ViewportTableRecord;
if (vpTR.Name == "*Active")
{
Application.SetSystemVariable("CVPORT", vpTR.Number);
ed.Command("_.zoom", "_extents");
ed.Command("_.zoom", "_scale", "0.7x");
}
}
ObjectId layoutID = layoutManager.CreateLayout("QuickView");
Layout layout = trans.GetObject(layoutID, OpenMode.ForRead) as Layout;
if (layout.TabSelected == false)
{
layoutManager.CurrentLayout = layout.LayoutName;
}
BlockTableRecord blckTableRec = trans.GetObject(layout.BlockTableRecordId, OpenMode.ForWrite) as BlockTableRecord;
int count = 0;
foreach (ObjectId id in blckTableRec)
{
Viewport vp = trans.GetObject(id, OpenMode.ForRead) as Viewport;
if (vp != null && count != 0)
{
vp.UpgradeOpen();
vp.Height = layout.PlotPaperSize.X * 0.4;
vp.Width = layout.PlotPaperSize.Y * 0.4;
vp.CenterPoint = new Point3d(layout.PlotPaperSize.Y * 0.75, layout.PlotPaperSize.X * 0.75, 0); vp.SetViewDirection(OrthographicView.NonOrthoView);
vp.ViewDirection = new Vector3d(Math.Sqrt(1.0 / 3.0), -Math.Sqrt(1.0 / 3.0), Math.Sqrt(1.0 / 3.0));
vp.GridOn = false;
ed.SwitchToModelSpace();
ed.Command("_.zoom", "_scale", "0.7x");
ed.SwitchToPaperSpace();
}
count++;
}
List <Point3d> centerPoints = new List <Point3d>()
{
new Point3d(layout.PlotPaperSize.Y * 0.25, layout.PlotPaperSize.X * 0.75, 0), new Point3d(layout.PlotPaperSize.Y * 0.25, layout.PlotPaperSize.X * 0.25, 0), new Point3d(layout.PlotPaperSize.Y * 0.75, layout.PlotPaperSize.X * 0.25, 0)
};
for (int i = 0; i < 3; i++)
{
using (Viewport vp = new Viewport())
{
ed.SwitchToPaperSpace();
blckTableRec.AppendEntity(vp);
trans.AddNewlyCreatedDBObject(vp, true);
vp.CenterPoint = centerPoints[i];
vp.Height = layout.PlotPaperSize.X * 0.4;
vp.Width = layout.PlotPaperSize.Y * 0.4;
vp.SetViewDirection(viewsDirection[i]);
vp.On = true;
ed.SwitchToModelSpace();
ed.Command("_.zoom", "_extents");
ed.Command("_.zoom", "_scale", "0.7x");
}
}
ed.SwitchToPaperSpace();
trans.Commit();
}
}
menu.QuickViewButton.Text = "Toggle viewport";
}
