public Point3dCollection PromptForRectangle(out PromptStatus status, string promptMessage)
{
var resultRectanglePointCollection = new Point3dCollection();
var viewCornerPointResult = PromptForPoint(promptMessage);
var pointPromptStatus = viewCornerPointResult.Status;
if (viewCornerPointResult.Status == PromptStatus.OK)
{
var rectangleJig = new RectangleJig(viewCornerPointResult.Value);
var jigResult = _editor.Drag(rectangleJig);
if (jigResult.Status == PromptStatus.OK)
{
// remove duplicate point at the end of the rectangle
var polyline = rectangleJig.Polyline;
var viewPolylinePoints = GeometryUtility.GetPointsFromPolyline(polyline);
if (viewPolylinePoints.Count == 5)
{
viewPolylinePoints.RemoveAt(4); // dont know why but true, probably mirror point with the last point
}
}
pointPromptStatus = jigResult.Status;
}
status = pointPromptStatus;
return(resultRectanglePointCollection);
}
/// <summary>
/// Запрос точки вставки с висящим прямоугольником на курсоре - габариты всталяемого объекта
/// Чтобы человек выбрал нашел место на чертежа соответствующих размеров.
/// Точка - нижний левый угол
/// </summary>
public static Point3d GetRectanglePoint([NotNull] this Editor ed, double len, double height)
{
var jigRect = new RectangleJig(len, height);
var res = ed.Drag(jigRect);
if (res.Status != PromptStatus.OK)
{
throw new OperationCanceledException();
}
return(jigRect.Position);
}
public void CreateViewportFromModelStart()
{
using (Transaction transaction = _doc.Database.TransactionManager.StartTransaction())
{
#region Switch to model space
Application.SetSystemVariable("TILEMODE", 1);
#endregion
#region Get View Rectangle Pts from model space
PromptPointOptions VportRectangleOpts =
new PromptPointOptions("\nSpecify rectangle describing the desired view : \n");
PromptPointResult VportRectangleRes = _doc.Editor.GetPoint(VportRectangleOpts);
if (VportRectangleRes.Status != PromptStatus.OK)
{
return;
}
Point3d CornerPt = VportRectangleRes.Value;
RectangleJig Recjig = new RectangleJig(CornerPt);
if (_doc.Editor.Drag(Recjig).Status == PromptStatus.Cancel)
{
return;
}
Polyline ViewPline = Recjig.Polyline;
Point3dCollection ViewPlinePts = GeometryUtility.GetPointsFromPolyline(ViewPline);
if (ViewPlinePts.Count == 5)
{
ViewPlinePts.RemoveAt(4);
}
#endregion
#region Calculate View height
double viewHeight = Math.Abs(ViewPlinePts[0].Y - ViewPlinePts[2].Y);
#endregion
#region Calculate View width
double viewWidth = Math.Abs(ViewPlinePts[0].X - ViewPlinePts[2].X);
#endregion
#region Calculate View Center Pt
double baseWidth = ViewPlinePts[0].X;
if (ViewPlinePts[0].X > ViewPlinePts[2].X)
{
baseWidth = ViewPlinePts[2].X;
}
double baseHeight = ViewPlinePts[0].Y;
if (ViewPlinePts[0].Y > ViewPlinePts[2].Y)
{
baseHeight = ViewPlinePts[2].Y;
}
Point2d ViewCenterPt = new Point2d(
baseWidth + (Math.Abs(ViewPlinePts[0].X - ViewPlinePts[2].X) / 2),
baseHeight + (Math.Abs(ViewPlinePts[0].Y - ViewPlinePts[2].Y) / 2));
#endregion
#region Select Paper Space
PromptKeywordOptions PaperSpaceOpts = new PromptKeywordOptions("");
PaperSpaceOpts.Message = "\nChose paper space : ";
PaperSpaceOpts.AllowNone = false;
Layout currLayout;
// Open the Block table for read
BlockTable Bt = transaction.GetObject(_doc.Database.BlockTableId, OpenMode.ForRead) as BlockTable;
BlockTableRecord BtrModelSpace =
(BlockTableRecord)transaction.GetObject(Bt[BlockTableRecord.ModelSpace], OpenMode.ForRead);
foreach (ObjectId BtrId in Bt)
{
BlockTableRecord Btr = (BlockTableRecord)transaction.GetObject(BtrId, OpenMode.ForRead);
if (Btr.IsLayout && Btr.ObjectId != BtrModelSpace.ObjectId)
{
currLayout = (Layout)transaction.GetObject(Btr.LayoutId, OpenMode.ForRead);
PaperSpaceOpts.Keywords.Add(currLayout.LayoutName);
}
}
PromptResult PaperSpaceRes = _doc.Editor.GetKeywords(PaperSpaceOpts);
LayoutManager.Current.CurrentLayout = PaperSpaceRes.StringResult;
#endregion
var keywordSelectionResult =
_editorHelper.PromptForKeywordSelection(
"\nSpecify rectangle describing viewport or base point with scale factor",
new[] { "Rectangle", "Base point" },
false,
"Rectangle");
if (keywordSelectionResult.Status != PromptStatus.OK)
{
return;
}
var viewportHeight = 0.0;
var viewportWidth = 0.0;
var CenterPt = new Point3d();
var viewportCustomScale = 0.0;
if (keywordSelectionResult.StringResult == "Rectangle")
{
#region Get Viewport Rectangle Pts
VportRectangleOpts = new PromptPointOptions("\nSpecify rectangle describing the viewport : \n");
VportRectangleRes = _doc.Editor.GetPoint(VportRectangleOpts);
if (VportRectangleRes.Status != PromptStatus.OK)
{
return;
}
CornerPt = VportRectangleRes.Value;
Recjig = new RectangleJig(CornerPt);
if (_doc.Editor.Drag(Recjig).Status == PromptStatus.Cancel)
{
return;
}
Polyline ViewportPline = Recjig.Polyline;
Point3dCollection ViewportPlinePts = GeometryUtility.GetPointsFromPolyline(ViewportPline);
GeometryUtility.RemoveDuplicate(ViewportPlinePts);
if (ViewportPlinePts.Count == 5)
{
ViewportPlinePts.RemoveAt(4);
}
#endregion
#region Calculate Viewport height
viewportHeight = Math.Abs(ViewportPlinePts[0].Y - ViewportPlinePts[2].Y);
#endregion
#region Calculate Viewport width
viewportWidth = Math.Abs(ViewportPlinePts[0].X - ViewportPlinePts[2].X);
#endregion
#region Calculate Viewport Center Pt
baseWidth = ViewportPlinePts[0].X;
if (ViewportPlinePts[0].X > ViewportPlinePts[2].X)
{
baseWidth = ViewportPlinePts[2].X;
}
baseHeight = ViewportPlinePts[0].Y;
if (ViewportPlinePts[0].Y > ViewportPlinePts[2].Y)
{
baseHeight = ViewportPlinePts[2].Y;
}
CenterPt = new Point3d(
baseWidth + (Math.Abs(ViewportPlinePts[0].X - ViewportPlinePts[2].X) / 2),
baseHeight + (Math.Abs(ViewportPlinePts[0].Y - ViewportPlinePts[2].Y) / 2),
0.0);
#endregion
#region Calculate Viewport Custom Scale
viewportCustomScale = viewportHeight / viewHeight;
#endregion
}
else
{
#region Get Viewport Base Point
var viewportBasePoint = _editorHelper.PromptForPoint("\nSpecify bottom left point of viewport : ");
if (viewportBasePoint.Status != PromptStatus.OK)
{
return;
}
#endregion
#region Get ViewportCustomScale
var scaleFactorResult = _editorHelper.PromptForDouble("\nSpecify viewport scale factor : ", 1.0);
if (scaleFactorResult.Status != PromptStatus.OK)
{
return;
}
if (scaleFactorResult.Value <= 0)
{
_editorHelper.WriteMessage("\nSpecified scale factor is incorrect !\n");
}
viewportCustomScale = scaleFactorResult.Value;
#endregion
#region Calculate Viewport height
viewportHeight = viewHeight * viewportCustomScale;
#endregion
#region Calculate Viewport width
viewportWidth = viewWidth * viewportCustomScale;
#endregion
#region Calculate Viewport Center Pt
CenterPt = new Point3d(viewportBasePoint.Value.X + viewportWidth / 2,
viewportBasePoint.Value.Y + viewportHeight / 2, 0);
#endregion
}
#region create viewport
var Vport = new Viewport
{
ViewCenter = ViewCenterPt,
CenterPoint = CenterPt,
Height = viewportHeight,
Width = viewportWidth,
CustomScale = viewportCustomScale
};
#endregion
#region Insert viewport into paper space
BlockTableRecord PaperSpaceBtr = new BlockTableRecord();
foreach (ObjectId BtrId in Bt)
{
BlockTableRecord Btr = (BlockTableRecord)transaction.GetObject(BtrId, OpenMode.ForRead);
if (Btr.IsLayout && Btr.ObjectId != BtrModelSpace.ObjectId)
{
currLayout = (Layout)transaction.GetObject(Btr.LayoutId, OpenMode.ForRead);
if (currLayout.LayoutName == PaperSpaceRes.StringResult)
{
PaperSpaceBtr =
(BlockTableRecord)
transaction.GetObject(Bt[BlockTableRecord.PaperSpace], OpenMode.ForWrite);
}
}
}
if (PaperSpaceBtr == null)
{
_doc.Editor.WriteMessage("Error getting the selected layout");
}
// Add the new object to the block table record and the transaction
PaperSpaceBtr.AppendEntity(Vport);
transaction.AddNewlyCreatedDBObject(Vport, true);
// Enable the viewport
Vport.On = true;
// Set the new viewport current via an imported ObjectARX function
#if acad2012
SetCurrentVPort2010(Vport.UnmanagedObject);
#endif
#if acad2013
SetCurrentVPort2013(Vport.UnmanagedObject);
#endif
#if bcad
SetCurrentVPortBCad(Vport.UnmanagedObject);
#endif
#endregion
transaction.Commit();
}
}