protected override void OnPaint(PaintEventArgs e) { if (!suspended && init && !disposed && !Disposing && !IsDesigner) { device.BackgroundColor = BackColor; device.OnSize(ClientSize); view.EraseAll(); Point3d pt1 = extents.MinPoint; Point3d pt2 = extents.MaxPoint; Point3d ptm = new Point3d((pt1.X + pt2.X) / 2.0, (pt1.Y + pt2.Y) / 2.0, 0.0); Point3d ptc = new Point3d(ptm.X, ptm.Y, 1.0); double fw = Math.Abs(pt2.X - pt1.X); double fh = Math.Abs(pt2.Y - pt1.Y); view.SetView(ptc, ptm, Vector3d.YAxis, fw, fh); foreach (Drawable item in items) { view.Add(item, model); } view.Update(); using (Bitmap bmp = view.GetSnapshot(ClientRectangle)) { e.Graphics.DrawImageUnscaled(bmp, 0, 0); } if (m_Selected) { using (Pen pen = new Pen(m_SelectionColor, 2.0f)) { Rectangle rec = ClientRectangle; rec.Inflate(-2, -2); e.Graphics.DrawRectangle(pen, rec); } } } }
public static Bitmap GetBitmap(Database db, ObjectIdCollection objIdColl) { using (db) { using (Transaction trans = db.TransactionManager.StartTransaction()) { try { Manager manager = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.GraphicsManager; Device device = manager.CreateAutoCADOffScreenDevice(); using (device) { device.OnSize(new System.Drawing.Size(100, 100)); Autodesk.AutoCAD.GraphicsSystem.Model model = manager.CreateAutoCADModel(); using (model) { double dMinX = 0, dMinY = 0, dMinZ = 0; double dMaxX = 0, dMaxY = 0, dMaxZ = 0; bool isUnstarted = true; Autodesk.AutoCAD.GraphicsSystem.View view = new Autodesk.AutoCAD.GraphicsSystem.View(); foreach (ObjectId objId in objIdColl) { // serĂ¡ usado pra definir limites para criar bitmap Entity ent = trans.GetObject(objId, OpenMode.ForWrite) as Entity; //Min Point if (ent.GeometricExtents.MinPoint.X < dMinX || isUnstarted) { dMinX = ent.GeometricExtents.MinPoint.X; } if (ent.GeometricExtents.MinPoint.Y < dMinY || isUnstarted) { dMinY = ent.GeometricExtents.MinPoint.Y; } if (ent.GeometricExtents.MinPoint.Z < dMinZ || isUnstarted) { dMinZ = ent.GeometricExtents.MinPoint.Z; } //Max Point if (ent.GeometricExtents.MaxPoint.X > dMaxX || isUnstarted) { dMaxX = ent.GeometricExtents.MaxPoint.X; } if (ent.GeometricExtents.MaxPoint.Y > dMaxY || isUnstarted) { dMaxY = ent.GeometricExtents.MaxPoint.Y; } if (ent.GeometricExtents.MaxPoint.Z > dMaxZ || isUnstarted) { dMaxZ = ent.GeometricExtents.MaxPoint.Z; } isUnstarted = false; view.Add(ent, model); } Point3d p3dLeftLower = new Point3d(dMinX, dMinY, dMinZ); Point3d p3dRightTop = new Point3d(dMaxX, dMaxY, dMaxZ); device.Add(view); view.ZoomExtents(p3dLeftLower, p3dRightTop); System.Drawing.Rectangle rect = new Rectangle();// view.Viewport; return(view.GetSnapshot(rect)); } } } catch (System.Exception ex) { trans.Abort(); return(null); } } } }
public BitmapImage GetBitmap() { //Suprimido pq tava dando fatal erro quando lia do bloco externo //if (_bDbIsInExternalDWG) // db.ReadDwgFile(ArCaRefMgrController.DBPath, FileShare.Read, true, ""); //else try { Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument; using (Database db = doc.Database) { using (Transaction trans = db.TransactionManager.StartTransaction()) { try { Manager manager = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.GraphicsManager; Device device = manager.CreateAutoCADOffScreenDevice(); using (device) { device.OnSize(new System.Drawing.Size(100, 100)); Autodesk.AutoCAD.GraphicsSystem.Model model = manager.CreateAutoCADModel(); using (model) { //Suprimido pq tava dando fatal erro quando lia do bloco externo //if (rbWhite.IsChecked != true) // device.BackgroundColor = System.Drawing.Color.Black; //else device.BackgroundColor = System.Drawing.Color.White; double dMinX = 0, dMinY = 0, dMinZ = 0; double dMaxX = 0, dMaxY = 0, dMaxZ = 0; Boolean isUnstarted = true; Autodesk.AutoCAD.GraphicsSystem.View view = new Autodesk.AutoCAD.GraphicsSystem.View(); ObjectIdCollection objIdColl2 = new ObjectIdCollection(); //As pitombas dos objectsId estao trocando de numero quando eu do Read no DWG, to tendo que lere os Ids no Bloco denovo if (_bDbIsInExternalDWG) { using (Transaction tr = db.TransactionManager.StartTransaction()) { BlockTable bt = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable; BlockTableRecord btr = tr.GetObject(bt[_objBlockModNew.Name], OpenMode.ForRead) as BlockTableRecord; foreach (ObjectId entId in btr) { objIdColl2.Add(entId); } } } else { objIdColl2 = objIdColl; } foreach (ObjectId objId in objIdColl2) { // serĂ¡ usado pra definir limites para criar bitmap using (DocumentLock dl = doc.LockDocument()) { Entity ent = trans.GetObject(objId, OpenMode.ForRead) as Entity; //Min Point if (ent.GeometricExtents.MinPoint.X < dMinX || isUnstarted) { dMinX = ent.GeometricExtents.MinPoint.X; } if (ent.GeometricExtents.MinPoint.Y < dMinY || isUnstarted) { dMinY = ent.GeometricExtents.MinPoint.Y; } if (ent.GeometricExtents.MinPoint.Z < dMinZ || isUnstarted) { dMinZ = ent.GeometricExtents.MinPoint.Z; } //Max Point if (ent.GeometricExtents.MaxPoint.X > dMaxX || isUnstarted) { dMaxX = ent.GeometricExtents.MaxPoint.X; } if (ent.GeometricExtents.MaxPoint.Y > dMaxY || isUnstarted) { dMaxY = ent.GeometricExtents.MaxPoint.Y; } if (ent.GeometricExtents.MaxPoint.Z > dMaxZ || isUnstarted) { dMaxZ = ent.GeometricExtents.MaxPoint.Z; } isUnstarted = false; view.Add(ent, model); } } Point3d p3dLeftLower = new Point3d(dMinX, dMinY, dMinZ); Point3d p3dRightTop = new Point3d(dMaxX, dMaxY, dMaxZ); device.Add(view); view.ZoomExtents(p3dLeftLower, p3dRightTop); System.Drawing.Rectangle rect = new System.Drawing.Rectangle();// view.Viewport; bmpPreview = view.GetSnapshot(rect); return(ArCaUtils.GetBitmapImage(bmpPreview)); } } } catch (System.Exception ex) { trans.Abort(); return(null); } } } } catch (System.Exception ex) { return(null); } }