public static void DrawPoints(Transaction tr, Database database, List <Point3d> points)
{
foreach (var point3D in points)
{
CadUtils.DrawPoint(tr, database, point3D, 2);
}
}
public static List <Point3d> GetGeometryNodes(Document document, double buffer)
{
var polylineIds = CadUtils.FindAllPolylines(document);
var nears = GetNearGeometries(polylineIds.ToList(), buffer);
var result = GetPolylineNodingResult(document.Database, nears, true);
return(result.NodePoints);
}
public static Dictionary <ObjectId, IList <ObjectId> > GetNearGeometries(double buffer = 0.5)
{
// 避免误差太小（现在是1e-10），现在变小一点
// 过滤选择polyline
var polylineIds = CadUtils.FindAllPolylines(Application.DocumentManager.MdiActiveDocument);
// 计算相邻多边形，以0.5作为buffer
return(NtsUtils.GetNearGeometries(polylineIds.ToList(), buffer));
}
protected CheckResult(ActionType type, IEnumerable <ObjectId> sourceIds)
{
_actionType = type;
_sourceIds = sourceIds;
if (_sourceIds != null && _sourceIds.Any())
{
_sourceGeometricExtents = CadUtils.SafeGetGeometricExtents(_sourceIds.ToList());
}
}
static bool CheckPointIsVertex(Curve curve, Point3d point, double tolerance)
{
var param = CadUtils.SafeGetParameterAtPoint(curve, point);
var paramBase = (int)Math.Floor(param);
if (param - Math.Floor(param) > Math.Ceiling(param) - param)
{
paramBase = (int)Math.Ceiling(param);
}
var abs = Math.Abs(paramBase - param);
return(abs < tolerance); // parameter 不是整数
}
static void EnsurePointIsVertex(Transaction tr, Curve curve, Point3d point, double tolerance)
{
var param = CadUtils.SafeGetParameterAtPoint(curve, point);
var paramBase = (int)Math.Floor(param);
if (param - Math.Floor(param) > Math.Ceiling(param) - param)
{
paramBase = (int)Math.Ceiling(param);
}
if (Math.Abs(paramBase - param) > tolerance) // parameter 不是整数
{
curve.UpgradeOpen();
AddVertex.AddVertexFromPolyline(tr, curve, point);
curve.DowngradeOpen();
}
}
public static List <Point3d> FindPotentialNodes(Transaction tr, ObjectId id1, ObjectId id2)
{
var curve1 = tr.GetObject(id1, OpenMode.ForRead) as Curve;
var curve2 = tr.GetObject(id2, OpenMode.ForRead) as Curve;
if (curve1 == null || curve2 == null)
{
return(new List <Point3d>());
}
var points = CadUtils.IntersectWith(curve1.Database, curve1.ObjectId, curve2.ObjectId);
if (points.Count == 0)
{
return(new List <Point3d>());
}
//CadUtils.AddName(database, tr, curve1, "curve1");
//CadUtils.AddName(database, tr, curve2, "curve2");
const double paramTolerance = 0.0001;
var result = new List <Point3d>();
foreach (Point3d point in points)
{
// 如果这里tolerance非常小，会弹出异常，导致无法取得点的参数？
var param = CadUtils.SafeGetParameterAtPoint(curve1, point);
// 我们来看看这个点是不是三岔口
// 办法是看看左边一点点，或者右边一点点，是不是还在curve2上，
// 如果是，那不是三岔口，是邻接边，
// 如果不是，就是三岔口，不是邻接边
double param1 = param + paramTolerance;
// 如果大于EndParam，用EndParam减了，这样的话，得到的是小于EndParam的参数
// 比如12.1 - 12 = 0.1
if (param1 > curve1.EndParam)
{
param1 = param1 - curve1.EndParam;
}
double param2 = param - paramTolerance;
// 如果是负数，用EndParam加过去，这样的话，得到的是大于0的参数
// 比如-0.1 + 12 = 11.9
if (param2 < 0)
{
param2 = curve1.EndParam + param2;
}
// 取到两个相邻的点
var point1 = CadUtils.SafeGetPointAtParameter(curve1, param1);
var point2 = CadUtils.SafeGetPointAtParameter(curve1, param2);
// 如果偏移后的两个点不都在curve2上面，应该是三岔口。
// 注意：这里的容差不能是Tolerance.Global.EqualPoint，这个过于精确。
// 我们的经验值大概是0.001，也可以考虑给客户去设定。
if (!CadUtils.IsPointOnCurveGCP(curve2, point1) ||
!CadUtils.IsPointOnCurveGCP(curve2, point2))
{
//CadUtils.DrawPoint(tr, database, point, 2);
result.Add(point);
}
}
return(result);
}
public CadHeader Read(IDwgStreamReader sreader,
int acadMaintenanceVersion, out DwgHeaderHandlesCollection objectPointers)
{
//Save the parameter handler in a local variable
m_mainReader = sreader;
CadHeader header = new CadHeader(m_version);
objectPointers = new DwgHeaderHandlesCollection();
//0xCF,0x7B,0x1F,0x23,0xFD,0xDE,0x38,0xA9,0x5F,0x7C,0x68,0xB8,0x4E,0x6D,0x33,0x5F
byte[] sn = sreader.ReadSentinel();
//RL : Size of the section.
long size = sreader.ReadRawLong();
//R2010/R2013 (only present if the maintenance version is greater than 3!) or R2018+:
if (R2010Plus && acadMaintenanceVersion > 3 || R2018Plus)
{
//Unknown (4 byte long), might be part of a 64-bit size.
long unknown = sreader.ReadRawLong();
}
long initialPos = sreader.PositionInBits();
//+R2007 Only:
if (R2007Plus)
{
//RL : Size in bits
long sizeInBits = sreader.ReadRawLong();
long lastPositionInBits = initialPos + sizeInBits - 1L;
//Setup the text handler for versions 2007 and above
IDwgStreamReader textReader = DwgStreamReader.GetStreamHandler(m_version,
//Create a copy of the stream
new StreamIO(sreader.Stream, true).Stream);
//Set the position and use the flag
textReader.SetPositionByFlag(lastPositionInBits);
//Setup the handler for the references for versions 2007 and above
IDwgStreamReader referenceReader = DwgStreamReader.GetStreamHandler(m_version,
//Create a copy of the stream
new StreamIO(sreader.Stream, true).Stream);
//Set the position and jump the flag
referenceReader.SetPositionInBits(lastPositionInBits + 0b1);
sreader = new DwgMergedReader(sreader, textReader, referenceReader);
}
//R2013+:
if (R2013Plus)
{
//BLL : Variabele REQUIREDVERSIONS, default value 0, read only.
header.RequiredVersions = sreader.ReadBitLongLong();
}
//Common:
//BD : Unknown, default value 412148564080.0
double unknownbd = sreader.ReadBitDouble();
//BD: Unknown, default value 1.0
unknownbd = sreader.ReadBitDouble();
//BD: Unknown, default value 1.0
unknownbd = sreader.ReadBitDouble();
//BD: Unknown, default value 1.0
unknownbd = sreader.ReadBitDouble();
//TV: Unknown text string, default "m"
var unknowntv = sreader.ReadVariableText();
//TV: Unknown text string, default ""
unknowntv = sreader.ReadVariableText();
//TV: Unknown text string, default ""
unknowntv = sreader.ReadVariableText();
//TV: Unknown text string, default ""
unknowntv = sreader.ReadVariableText();
//BL : Unknown long, default value 24L
var unknownbl = sreader.ReadBitLong();
//BL: Unknown long, default value 0L;
unknownbl = sreader.ReadBitLong();
//R13-R14 Only:
if (R13_14Only)
{
//BS : Unknown short, default value 0
short unknowns = sreader.ReadBitShort();
}
//Pre-2004 Only:
if (R2004Pre)
{
//H : Handle of the current viewport entity header (hard pointer)
ulong pointerViewPort = sreader.HandleReference();
}
//Common:
//B: DIMASO
header.AssociatedDimensions = sreader.ReadBit();
//B: DIMSHO
header.UpdateDimensionsWhileDragging = sreader.ReadBit();
//R13-R14 Only:
if (R13_14Only)
{
//B : DIMSAV Undocumented.
header.DIMSAV = sreader.ReadBit();
}
//Common:
//B: PLINEGEN
header.PolylineLineTypeGeneration = sreader.ReadBit();
//B : ORTHOMODE
header.OrthoMode = sreader.ReadBit();
//B: REGENMODE
header.RegenerationMode = sreader.ReadBit();
//B : FILLMODE
header.FillMode = sreader.ReadBit();
//B : QTEXTMODE
header.QuickTextMode = sreader.ReadBit();
//B : PSLTSCALE
header.PaperSpaceLineTypeScaling = sreader.ReadBit() ? SpaceLineTypeScaling.Normal : SpaceLineTypeScaling.Viewport;
//B : LIMCHECK
header.LimitCheckingOn = sreader.ReadBit();
//R13-R14 Only (stored in registry from R15 onwards):
if (R13_14Only)
{
//B : BLIPMODE
header.BlipMode = sreader.ReadBit();
}
//R2004+:
if (R2004Plus)
{
//B : Undocumented
sreader.ReadBit();
}
//Common:
//B: USRTIMER(User timer on / off).
header.UserTimer = sreader.ReadBit();
//B : SKPOLY
header.SketchPolylines = sreader.ReadBit();
//B : ANGDIR
header.AngularDirection = (AngularDirection)sreader.ReadBitAsShort();
//B : SPLFRAME
header.ShowSplineControlPoints = sreader.ReadBit();
//R13-R14 Only (stored in registry from R15 onwards):
if (R13_14Only)
{
//B : ATTREQ
sreader.ReadBit();
//B : ATTDIA
sreader.ReadBit();
}
//Common:
//B: MIRRTEXT
header.MirrorText = sreader.ReadBit();
//B : WORLDVIEW
header.WorldView = sreader.ReadBit();
//R13 - R14 Only:
if (R13_14Only)
{
//B: WIREFRAME Undocumented.
sreader.ReadBit();
}
//Common:
//B: TILEMODE
header.ShowModelSpace = sreader.ReadBit();
//B : PLIMCHECK
header.PaperSpaceLimitsChecking = sreader.ReadBit();
//B : VISRETAIN
header.RetainXRefDependentVisibilitySettings = sreader.ReadBit();
//R13 - R14 Only(stored in registry from R15 onwards):
if (R13_14Only)
{
//B : DELOBJ
sreader.ReadBit();
}
//Common:
//B: DISPSILH
header.DisplaySilhouetteCurves = sreader.ReadBit();
//B : PELLIPSE(not present in DXF)
header.CreateEllipseAsPolyline = sreader.ReadBit();
//BS: PROXYGRAPHICS
header.ProxyGraphics = sreader.ReadBitShortAsBool();
//R13-R14 Only (stored in registry from R15 onwards):
if (R13_14Only)
{
//BS : DRAGMODE
sreader.ReadBitShort();
}
//Common:
//BS: TREEDEPTH
header.SpatialIndexMaxTreeDepth = sreader.ReadBitShort();
//BS : LUNITS
header.LinearUnitFormat = (LinearUnitFormat)sreader.ReadBitShort();
//BS : LUPREC
header.LinearUnitPrecision = sreader.ReadBitShort();
//BS : AUNITS
header.AngularUnit = (AngularUnitFormat)sreader.ReadBitShort();
//BS : AUPREC
header.AngularUnitPrecision = sreader.ReadBitShort();
//R13 - R14 Only Only(stored in registry from R15 onwards):
if (R13_14Only)
{
//BS: OSMODE
header.ObjectSnapMode = (ObjectSnapMode)sreader.ReadBitShort();
}
//Common:
//BS: ATTMODE
header.AttributeVisibility = sreader.ReadBitShort();
//R13 - R14 Only Only(stored in registry from R15 onwards):
if (R13_14Only)
{
//BS: COORDS
sreader.ReadBitShort();
}
//Common:
//BS: PDMODE
header.PointDisplayMode = sreader.ReadBitShort();
//R13 - R14 Only Only(stored in registry from R15 onwards):
if (R13_14Only)
{
//BS: PICKSTYLE
sreader.ReadBitShort();
}
//R2004 +:
if (R2004Plus)
{
//BL: Unknown
sreader.ReadBitLong();
//BL: Unknown
sreader.ReadBitLong();
//BL: Unknown
sreader.ReadBitLong();
}
//Common:
//BS : USERI1
header.UserShort1 = sreader.ReadBitShort();
//BS : USERI2
header.UserShort2 = sreader.ReadBitShort();
//BS : USERI3
header.UserShort3 = sreader.ReadBitShort();
//BS : USERI4
header.UserShort4 = sreader.ReadBitShort();
//BS : USERI5
header.UserShort5 = sreader.ReadBitShort();
//BS: SPLINESEGS
header.NumberOfSplineSegments = sreader.ReadBitShort();
//BS : SURFU
header.SurfaceDensityU = sreader.ReadBitShort();
//BS : SURFV
header.SurfaceDensityV = sreader.ReadBitShort();
//BS : SURFTYPE
header.SurfaceType = sreader.ReadBitShort();
//BS : SURFTAB1
header.SurfaceMeshTabulationCount1 = sreader.ReadBitShort();
//BS : SURFTAB2
header.SurfaceMeshTabulationCount2 = sreader.ReadBitShort();
//BS : SPLINETYPE
header.SplineType = (SplineType)sreader.ReadBitShort();
//BS : SHADEDGE
header.ShadeEdge = (ShadeEdgeType)sreader.ReadBitShort();
//BS : SHADEDIF
header.ShadeDiffuseToAmbientPercentage = sreader.ReadBitShort();
//BS: UNITMODE
header.UnitMode = sreader.ReadBitShort();
//BS : MAXACTVP
header.MaxViewportCount = sreader.ReadBitShort();
//BS : ISOLINES
header.SurfaceIsolineCount = sreader.ReadBitShort();
//BS : CMLJUST
header.CurrentMultilineJustification = (VerticalAlignmentType)sreader.ReadBitShort();
//BS : TEXTQLTY
header.TextQuality = sreader.ReadBitShort();
//BD : LTSCALE
header.LineTypeScale = sreader.ReadBitDouble();
//BD : TEXTSIZE
header.TextHeightDefault = sreader.ReadBitDouble();
//BD : TRACEWID
header.TraceWidthDefault = sreader.ReadBitDouble();
//BD : SKETCHINC
header.SketchIncrement = sreader.ReadBitDouble();
//BD : FILLETRAD
header.FilletRadius = sreader.ReadBitDouble();
//BD : THICKNESS
header.ThicknessDefault = sreader.ReadBitDouble();
//BD : ANGBASE
header.AngleBase = sreader.ReadBitDouble();
//BD : PDSIZE
header.PointDisplaySize = sreader.ReadBitDouble();
//BD : PLINEWID
header.PolylineWidthDefault = sreader.ReadBitDouble();
//BD : USERR1
header.UserDouble1 = sreader.ReadBitDouble();
//BD : USERR2
header.UserDouble2 = sreader.ReadBitDouble();
//BD : USERR3
header.UserDouble3 = sreader.ReadBitDouble();
//BD : USERR4
header.UserDouble4 = sreader.ReadBitDouble();
//BD : USERR5
header.UserDouble5 = sreader.ReadBitDouble();
//BD : CHAMFERA
header.ChamferDistance1 = sreader.ReadBitDouble();
//BD : CHAMFERB
header.ChamferDistance2 = sreader.ReadBitDouble();
//BD : CHAMFERC
header.ChamferLength = sreader.ReadBitDouble();
//BD : CHAMFERD
header.ChamferAngle = sreader.ReadBitDouble();
//BD : FACETRES
header.FacetResolution = sreader.ReadBitDouble();
//BD : CMLSCALE
header.CurrentMultilineScale = sreader.ReadBitDouble();
//BD : CELTSCALE
header.CurrentEntityLinetypeScale = sreader.ReadBitDouble();
//TV: MENUNAME
header.MenuFileName = sreader.ReadVariableText();
//Common:
//BL: TDCREATE(Julian day)
//BL: TDCREATE(Milliseconds into the day)
header.CreateDateTime = sreader.ReadDateTime();
//BL: TDUPDATE(Julian day)
//BL: TDUPDATE(Milliseconds into the day)
header.UpdateDateTime = sreader.ReadDateTime();
//R2004 +:
if (R2004Plus)
{
//BL : Unknown
sreader.ReadBitLong();
//BL : Unknown
sreader.ReadBitLong();
//BL : Unknown
sreader.ReadBitLong();
}
//Common:
//BL: TDINDWG(Days)
//BL: TDINDWG(Milliseconds into the day)
header.TotalEditingTime = sreader.ReadTimeSpan();
//BL: TDUSRTIMER(Days)
//BL: TDUSRTIMER(Milliseconds into the day)
header.UserElapsedTimeSpan = sreader.ReadTimeSpan();
//CMC : CECOLOR
header.CurrentEntityColor = sreader.ReadCmColor();
//H : HANDSEED The next handle, with an 8-bit length specifier preceding the handle
//bytes (standard hex handle form) (code 0). The HANDSEED is not part of the handle
//stream, but of the normal data stream (relevant for R21 and later).
header.HandleSeed = m_mainReader.HandleReference();
//H : CLAYER (hard pointer)
objectPointers.CLAYER = sreader.HandleReference();
//H: TEXTSTYLE(hard pointer)
objectPointers.TEXTSTYLE = sreader.HandleReference();
//H: CELTYPE(hard pointer)
objectPointers.CELTYPE = sreader.HandleReference();
//R2007 + Only:
if (R2007Plus)
{
//H: CMATERIAL(hard pointer)
objectPointers.CMATERIAL = sreader.HandleReference();
}
//Common:
//H: DIMSTYLE (hard pointer)
objectPointers.DIMSTYLE = sreader.HandleReference();
//H: CMLSTYLE (hard pointer)
objectPointers.CMLSTYLE = sreader.HandleReference();
//R2000+ Only:
if (R2000Plus)
{
//BD: PSVPSCALE
header.ViewportDefaultViewScaleFactor = sreader.ReadBitDouble();
}
//Common:
//3BD: INSBASE(PSPACE)
header.PaperSpaceUcs.PaperSpaceInsertionBase = sreader.Read3BitDouble();
//3BD: EXTMIN(PSPACE)
header.PaperSpaceUcs.PaperSpaceExtMin = sreader.Read3BitDouble();
//3BD: EXTMAX(PSPACE)
header.PaperSpaceUcs.PaperSpaceExtMax = sreader.Read3BitDouble();
//2RD: LIMMIN(PSPACE)
header.PaperSpaceUcs.PaperSpaceLimitsMin = sreader.Read2RawDouble();
//2RD: LIMMAX(PSPACE)
header.PaperSpaceUcs.PaperSpaceLimitsMax = sreader.Read2RawDouble();
//BD: ELEVATION(PSPACE)
header.PaperSpaceUcs.PaperSpaceElevation = sreader.ReadBitDouble();
//3BD: UCSORG(PSPACE)
header.PaperSpaceUcs.Origin = sreader.Read3BitDouble();
//3BD: UCSXDIR(PSPACE)
header.PaperSpaceUcs.XAxis = sreader.Read3BitDouble();
//3BD: UCSYDIR(PSPACE)
header.PaperSpaceUcs.YAxis = sreader.Read3BitDouble();
//H: UCSNAME (PSPACE) (hard pointer)
objectPointers.UCSNAME_PSPACE = sreader.HandleReference();
//R2000+ Only:
if (R2000Plus)
{
//H : PUCSORTHOREF (hard pointer)
objectPointers.PUCSORTHOREF = sreader.HandleReference();
//BS : PUCSORTHOVIEW ??
int PUCSORTHOVIEW = sreader.ReadBitShort();
//H: PUCSBASE(hard pointer)
objectPointers.PUCSBASE = sreader.HandleReference();
//3BD: PUCSORGTOP
header.PaperSpaceUcs.OrthographicTopDOrigin = sreader.Read3BitDouble();
//3BD: PUCSORGBOTTOM
header.PaperSpaceUcs.OrthographicBottomDOrigin = sreader.Read3BitDouble();
//3BD: PUCSORGLEFT
header.PaperSpaceUcs.OrthographicLeftDOrigin = sreader.Read3BitDouble();
//3BD: PUCSORGRIGHT
header.PaperSpaceUcs.OrthographicRightDOrigin = sreader.Read3BitDouble();
//3BD: PUCSORGFRONT
header.PaperSpaceUcs.OrthographicFrontDOrigin = sreader.Read3BitDouble();
//3BD: PUCSORGBACK
header.PaperSpaceUcs.OrthographicBackDOrigin = sreader.Read3BitDouble();
}
//Common:
//3BD: INSBASE(MSPACE)
header.InsertionBase = sreader.Read3BitDouble();
//3BD: EXTMIN(MSPACE)
header.ExtMin = sreader.Read3BitDouble();
//3BD: EXTMAX(MSPACE)
header.ExtMax = sreader.Read3BitDouble();
//2RD: LIMMIN(MSPACE)
header.LimitsMin = sreader.Read2RawDouble();
//2RD: LIMMAX(MSPACE)
header.LimitsMax = sreader.Read2RawDouble();
//BD: ELEVATION(MSPACE)
header.Elevation = sreader.ReadBitDouble();
//3BD: UCSORG(MSPACE)
header.Ucs.Origin = sreader.Read3BitDouble();
//3BD: UCSXDIR(MSPACE)
header.Ucs.XAxis = sreader.Read3BitDouble();
//3BD: UCSYDIR(MSPACE)
header.Ucs.YAxis = sreader.Read3BitDouble();
//H: UCSNAME(MSPACE)(hard pointer)
objectPointers.UCSNAME_MSPACE = sreader.HandleReference();
//R2000 + Only:
if (R2000Plus)
{
//H: UCSORTHOREF(hard pointer)
objectPointers.UCSORTHOREF = sreader.HandleReference();
//BS: UCSORTHOVIEW ??
short UCSORTHOVIEW = sreader.ReadBitShort();
//H : UCSBASE(hard pointer)
objectPointers.UCSBASE = sreader.HandleReference();
//3BD: UCSORGTOP
header.Ucs.OrthographicTopDOrigin = sreader.Read3BitDouble();
//3BD: UCSORGBOTTOM
header.Ucs.OrthographicBottomDOrigin = sreader.Read3BitDouble();
//3BD: UCSORGLEFT
header.Ucs.OrthographicLeftDOrigin = sreader.Read3BitDouble();
//3BD: UCSORGRIGHT
header.Ucs.OrthographicRightDOrigin = sreader.Read3BitDouble();
//3BD: UCSORGFRONT
header.Ucs.OrthographicFrontDOrigin = sreader.Read3BitDouble();
//3BD: UCSORGBACK
header.Ucs.OrthographicBackDOrigin = sreader.Read3BitDouble();
//TV : DIMPOST
header.DimensionStyleOverrides.PostFix = sreader.ReadVariableText();
//TV : DIMAPOST
header.DimensionStyleOverrides.AlternateDimensioningSuffix = sreader.ReadVariableText();
}
//R13-R14 Only:
if (R13_14Only)
{
//B: DIMTOL
header.DimensionStyleOverrides.GenerateTolerances = sreader.ReadBit();
//B : DIMLIM
header.DimensionStyleOverrides.LimitsGeneration = sreader.ReadBit();
//B : DIMTIH
header.DimensionStyleOverrides.TextInsideHorizontal = sreader.ReadBit();
//B : DIMTOH
header.DimensionStyleOverrides.TextOutsideHorizontal = sreader.ReadBit();
//B : DIMSE1
header.DimensionStyleOverrides.SuppressFirstExtensionLine = sreader.ReadBit();
//B : DIMSE2
header.DimensionStyleOverrides.SuppressSecondExtensionnLine = sreader.ReadBit();
//B : DIMALT
header.DimensionStyleOverrides.AlternateUnitDimensioning = sreader.ReadBit();
//B : DIMTOFL
header.DimensionStyleOverrides.TextOutsideExtensions = sreader.ReadBit();
//B : DIMSAH
header.DimensionStyleOverrides.SeparateArrowBlocks = sreader.ReadBit();
//B : DIMTIX
header.DimensionStyleOverrides.TextInsideExtensions = sreader.ReadBit();
//B : DIMSOXD
header.DimensionStyleOverrides.SuppressOutsideExtensions = sreader.ReadBit();
//RC : DIMALTD
header.DimensionStyleOverrides.AlternateUnitDecimalPlaces = sreader.ReadRawChar();
//RC : DIMZIN
header.DimensionStyleOverrides.ZeroHandling = sreader.ReadRawChar();
//B : DIMSD1
header.DimensionStyleOverrides.SuppressFirstDimensionLine = sreader.ReadBit();
//B : DIMSD2
header.DimensionStyleOverrides.SuppressSecondDimensionLine = sreader.ReadBit();
//RC : DIMTOLJ
header.DimensionStyleOverrides.ToleranceAlignment = sreader.ReadRawChar();
//RC : DIMJUST
header.DimensionStyleOverrides.TextHorizontalAlignment = sreader.ReadRawChar();
//RC : DIMFIT
header.DimensionStyleOverrides.DimensionFit = sreader.ReadRawChar();
//B : DIMUPT
header.DimensionStyleOverrides.CursorUpdate = sreader.ReadBit();
//RC : DIMTZIN
header.DimensionStyleOverrides.ToleranceZeroHandling = sreader.ReadRawChar();
//RC: DIMALTZ
header.DimensionStyleOverrides.AlternateUnitZeroHandling = sreader.ReadRawChar();
//RC : DIMALTTZ
header.DimensionStyleOverrides.AlternateUnitToleranceZeroHandling = sreader.ReadRawChar();
//RC : DIMTAD
header.DimensionStyleOverrides.TextVerticalAlignment = sreader.ReadRawChar();
//BS : DIMUNIT
header.DimensionStyleOverrides.DimensionUnit = sreader.ReadBitShort();
//BS : DIMAUNIT
header.DimensionStyleOverrides.AngularDimensionDecimalPlaces = sreader.ReadBitShort();
//BS : DIMDEC
header.DimensionStyleOverrides.DecimalPlaces = sreader.ReadBitShort();
//BS : DIMTDEC
header.DimensionStyleOverrides.ToleranceDecimalPlaces = sreader.ReadBitShort();
//BS : DIMALTU
header.DimensionStyleOverrides.AlternateUnitFormat = sreader.ReadBitShort();
//BS : DIMALTTD
header.DimensionStyleOverrides.AlternateUnitToleranceDecimalPlaces = sreader.ReadBitShort();
//H : DIMTXSTY(hard pointer)
objectPointers.DIMTXSTY = sreader.HandleReference();
}
//Common:
//BD: DIMSCALE
header.DimensionStyleOverrides.ScaleFactor = sreader.ReadBitDouble();
//BD : DIMASZ
header.DimensionStyleOverrides.ArrowSize = sreader.ReadBitDouble();
//BD : DIMEXO
header.DimensionStyleOverrides.ExtensionLineOffset = sreader.ReadBitDouble();
//BD : DIMDLI
header.DimensionStyleOverrides.DimensionLineIncrement = sreader.ReadBitDouble();
//BD : DIMEXE
header.DimensionStyleOverrides.ExtensionLineExtension = sreader.ReadBitDouble();
//BD : DIMRND
header.DimensionStyleOverrides.Rounding = sreader.ReadBitDouble();
//BD : DIMDLE
header.DimensionStyleOverrides.DimensionLineExtension = sreader.ReadBitDouble();
//BD : DIMTP
header.DimensionStyleOverrides.PlusTolerance = sreader.ReadBitDouble();
//BD : DIMTM
header.DimensionStyleOverrides.MinusTolerance = sreader.ReadBitDouble();
//R2007 + Only:
if (R2007Plus)
{
//BD: DIMFXL
header.DimensionStyleOverrides.FixedExtensionLineLength = sreader.ReadBitDouble();
//BD : DIMJOGANG
header.DimensionStyleOverrides.JoggedRadiusDimensionTransverseSegmentAngle = sreader.ReadBitDouble();
//BS : DIMTFILL
header.DimensionStyleOverrides.TextBackgroundFillMode = sreader.ReadBitShort();
//CMC : DIMTFILLCLR
header.DimensionStyleOverrides.TextBackgroundColor = sreader.ReadCmColor();
}
//R2000 + Only:
if (R2000Plus)
{
//B: DIMTOL
header.DimensionStyleOverrides.GenerateTolerances = sreader.ReadBit();
//B : DIMLIM
header.DimensionStyleOverrides.LimitsGeneration = sreader.ReadBit();
//B : DIMTIH
header.DimensionStyleOverrides.TextInsideHorizontal = sreader.ReadBit();
//B : DIMTOH
header.DimensionStyleOverrides.TextOutsideHorizontal = sreader.ReadBit();
//B : DIMSE1
header.DimensionStyleOverrides.SuppressFirstExtensionLine = sreader.ReadBit();
//B : DIMSE2
header.DimensionStyleOverrides.SuppressSecondExtensionLine = sreader.ReadBit();
//BS : DIMTAD
header.DimensionStyleOverrides.TextVerticalAlignment = (char)sreader.ReadBitShort();
//BS : DIMZIN
header.DimensionStyleOverrides.ZeroHandling = (char)sreader.ReadBitShort();
//BS : DIMAZIN
header.DimensionStyleOverrides.AngularZeroHandling = sreader.ReadBitShort();
}
//R2007 + Only:
if (R2007Plus)
{
//BS: DIMARCSYM
header.DimensionStyleOverrides.ArcLengthSymbolPosition = sreader.ReadBitShort();
}
//Common:
//BD: DIMTXT
header.DimensionStyleOverrides.TextHeight = sreader.ReadBitDouble();
//BD : DIMCEN
header.DimensionStyleOverrides.CenterMarkSize = sreader.ReadBitDouble();
//BD: DIMTSZ
header.DimensionStyleOverrides.TickSize = sreader.ReadBitDouble();
//BD : DIMALTF
header.DimensionStyleOverrides.AlternateUnitScaleFactor = sreader.ReadBitDouble();
//BD : DIMLFAC
header.DimensionStyleOverrides.LinearScaleFactor = sreader.ReadBitDouble();
//BD : DIMTVP
header.DimensionStyleOverrides.TextVerticalPosition = sreader.ReadBitDouble();
//BD : DIMTFAC
header.DimensionStyleOverrides.ToleranceScaleFactor = sreader.ReadBitDouble();
//BD : DIMGAP
header.DimensionStyleOverrides.DimensionLineGap = sreader.ReadBitDouble();
//R13 - R14 Only:
if (R13_14Only)
{
//T: DIMPOST
header.DimensionStyleOverrides.PostFix = sreader.ReadVariableText();
//T : DIMAPOST
header.DimensionStyleOverrides.AlternateDimensioningSuffix = sreader.ReadVariableText();
//T : DIMBLK
header.DimensionBlockName = sreader.ReadVariableText();
//T : DIMBLK1
header.DimensionBlockNameFirst = sreader.ReadVariableText();
//T : DIMBLK2
header.DimensionBlockNameSecond = sreader.ReadVariableText();
}
//R2000 + Only:
if (R2000Plus)
{
//BD: DIMALTRND
header.DimensionStyleOverrides.AlternateUnitRounding = sreader.ReadBitDouble();
//B : DIMALT
header.DimensionStyleOverrides.AlternateUnitDimensioning = sreader.ReadBit();
//BS : DIMALTD
header.DimensionStyleOverrides.AlternateUnitDecimalPlaces = (char)sreader.ReadBitShort();
//B : DIMTOFL
header.DimensionStyleOverrides.TextOutsideExtensions = sreader.ReadBit();
//B : DIMSAH
header.DimensionStyleOverrides.SeparateArrowBlocks = sreader.ReadBit();
//B : DIMTIX
header.DimensionStyleOverrides.TextInsideExtensions = sreader.ReadBit();
//B : DIMSOXD
header.DimensionStyleOverrides.SuppressOutsideExtensions = sreader.ReadBit();
}
//Common:
//CMC: DIMCLRD
header.DimensionStyleOverrides.DimensionLineColor = sreader.ReadCmColor();
//CMC : DIMCLRE
header.DimensionStyleOverrides.ExtensionLineColor = sreader.ReadCmColor();
//CMC : DIMCLRT
header.DimensionStyleOverrides.TextColor = sreader.ReadCmColor();
//R2000 + Only:
if (R2000Plus)
{
//BS: DIMADEC
header.DimensionStyleOverrides.AngularDimensionDecimalPlaces = sreader.ReadBitShort();
//BS : DIMDEC
header.DimensionStyleOverrides.DecimalPlaces = sreader.ReadBitShort();
//BS : DIMTDEC
header.DimensionStyleOverrides.ToleranceDecimalPlaces = sreader.ReadBitShort();
//BS : DIMALTU
header.DimensionStyleOverrides.AlternateUnitFormat = sreader.ReadBitShort();
//BS : DIMALTTD
header.DimensionStyleOverrides.AlternateUnitToleranceDecimalPlaces = sreader.ReadBitShort();
//BS : DIMAUNIT
header.DimensionStyleOverrides.AngularDimensionDecimalPlaces = sreader.ReadBitShort();
//BS : DIMFRAC
header.DimensionStyleOverrides.FractionFormat = sreader.ReadBitShort();
//BS : DIMLUNIT
header.DimensionStyleOverrides.LinearUnitFormat = sreader.ReadBitShort();
//BS : DIMDSEP
header.DimensionStyleOverrides.DecimalSeparator = (char)sreader.ReadBitShort();
//BS : DIMTMOVE
header.DimensionStyleOverrides.TextMovement = sreader.ReadBitShort();
//BS : DIMJUST
header.DimensionStyleOverrides.TextHorizontalAlignment = (char)sreader.ReadBitShort();
//B : DIMSD1
header.DimensionStyleOverrides.SuppressFirstExtensionLine = sreader.ReadBit();
//B : DIMSD2
header.DimensionStyleOverrides.SuppressSecondExtensionnLine = sreader.ReadBit();
//BS : DIMTOLJ
header.DimensionStyleOverrides.ToleranceAlignment = (char)sreader.ReadBitShort();
//BS : DIMTZIN
header.DimensionStyleOverrides.ToleranceZeroHandling = (char)sreader.ReadBitShort();
//BS: DIMALTZ
header.DimensionStyleOverrides.AlternateUnitZeroHandling = (char)sreader.ReadBitShort();
//BS : DIMALTTZ
header.DimensionStyleOverrides.AlternateUnitToleranceZeroHandling = (char)sreader.ReadBitShort();
//B : DIMUPT
header.DimensionStyleOverrides.CursorUpdate = sreader.ReadBit();
//BS : DIMATFIT
header.DimensionStyleOverrides.DimensionTextArrowFit = sreader.ReadBitShort();
}
//R2007 + Only:
if (R2007Plus)
{
//B: DIMFXLON
header.DimensionStyleOverrides.IsExtensionLineLengthFixed = sreader.ReadBit();
}
//R2010 + Only:
if (R2010Plus)
{
//B: DIMTXTDIRECTION
header.DimensionStyleOverrides.TextDirection = sreader.ReadBit();
//BD : DIMALTMZF
header.DimensionStyleOverrides.AltMzf = sreader.ReadBitDouble();
//T : DIMALTMZS
header.DimensionStyleOverrides.AltMzs = sreader.ReadVariableText();
//BD : DIMMZF
header.DimensionStyleOverrides.Mzf = sreader.ReadBitDouble();
//T : DIMMZS
header.DimensionStyleOverrides.Mzs = sreader.ReadVariableText();
}
//R2000 + Only:
if (R2000Plus)
{
//H: DIMTXSTY(hard pointer)
objectPointers.DIMTXSTY = sreader.HandleReference();
//H: DIMLDRBLK(hard pointer)
objectPointers.DIMLDRBLK = sreader.HandleReference();
//H: DIMBLK(hard pointer)
objectPointers.DIMBLK = sreader.HandleReference();
//H: DIMBLK1(hard pointer)
objectPointers.DIMBLK1 = sreader.HandleReference();
//H: DIMBLK2(hard pointer)
objectPointers.DIMBLK2 = sreader.HandleReference();
}
//R2007+ Only:
if (R2007Plus)
{
//H : DIMLTYPE (hard pointer)
objectPointers.DIMLTYPE = sreader.HandleReference();
//H: DIMLTEX1(hard pointer)
objectPointers.DIMLTEX1 = sreader.HandleReference();
//H: DIMLTEX2(hard pointer)
objectPointers.DIMLTEX2 = sreader.HandleReference();
}
//R2000+ Only:
if (R2000Plus)
{
//BS: DIMLWD
header.DimensionStyleOverrides.DimensionLineWeight = sreader.ReadBitShort();
//BS : DIMLWE
header.DimensionStyleOverrides.ExtensionLineWeight = sreader.ReadBitShort();
}
//H: BLOCK CONTROL OBJECT(hard owner)
objectPointers.BLOCK_CONTROL_OBJECT = sreader.HandleReference();
//H: LAYER CONTROL OBJECT(hard owner)
objectPointers.LAYER_CONTROL_OBJECT = sreader.HandleReference();
//H: STYLE CONTROL OBJECT(hard owner)
objectPointers.STYLE_CONTROL_OBJECT = sreader.HandleReference();
//H: LINETYPE CONTROL OBJECT(hard owner)
objectPointers.LINETYPE_CONTROL_OBJECT = sreader.HandleReference();
//H: VIEW CONTROL OBJECT(hard owner)
objectPointers.VIEW_CONTROL_OBJECT = sreader.HandleReference();
//H: UCS CONTROL OBJECT(hard owner)
objectPointers.UCS_CONTROL_OBJECT = sreader.HandleReference();
//H: VPORT CONTROL OBJECT(hard owner)
objectPointers.VPORT_CONTROL_OBJECT = sreader.HandleReference();
//H: APPID CONTROL OBJECT(hard owner)
objectPointers.APPID_CONTROL_OBJECT = sreader.HandleReference();
//H: DIMSTYLE CONTROL OBJECT(hard owner)
objectPointers.DIMSTYLE_CONTROL_OBJECT = sreader.HandleReference();
//R13 - R15 Only:
if (R13_15Only)
{
//H: VIEWPORT ENTITY HEADER CONTROL OBJECT(hard owner)
objectPointers.VIEWPORT_ENTITY_HEADER_CONTROL_OBJECT = sreader.HandleReference();
}
//Common:
//H: DICTIONARY(ACAD_GROUP)(hard pointer)
objectPointers.DICTIONARY_ACAD_GROUP = sreader.HandleReference();
//H: DICTIONARY(ACAD_MLINESTYLE)(hard pointer)
objectPointers.DICTIONARY_ACAD_MLINESTYLE = sreader.HandleReference();
//H : DICTIONARY (NAMED OBJECTS) (hard owner)
objectPointers.DICTIONARY_NAMED_OBJECTS = sreader.HandleReference();
//R2000+ Only:
if (R2000Plus)
{
//BS: TSTACKALIGN, default = 1(not present in DXF)
header.StackedTextAlignment = sreader.ReadBitShort();
//BS: TSTACKSIZE, default = 70(not present in DXF)
header.StackedTextSizePercentage = sreader.ReadBitShort();
//TV: HYPERLINKBASE
header.HyperLinkBase = sreader.ReadVariableText();
//TV : STYLESHEET
header.StyleSheetName = sreader.ReadVariableText();
//H : DICTIONARY(LAYOUTS)(hard pointer)
objectPointers.DICTIONARY_LAYOUTS = sreader.HandleReference();
//H: DICTIONARY(PLOTSETTINGS)(hard pointer)
objectPointers.DICTIONARY_PLOTSETTINGS = sreader.HandleReference();
//H: DICTIONARY(PLOTSTYLES)(hard pointer)
objectPointers.DICTIONARY_PLOTSTYLES = sreader.HandleReference();
}
//R2004 +:
if (R2004Plus)
{
//H: DICTIONARY (MATERIALS) (hard pointer)
objectPointers.DICTIONARY_MATERIALS = sreader.HandleReference();
//H: DICTIONARY (COLORS) (hard pointer)
objectPointers.DICTIONARY_COLORS = sreader.HandleReference();
}
//R2007 +:
if (R2007Plus)
{
//H: DICTIONARY(VISUALSTYLE)(hard pointer)
objectPointers.DICTIONARY_VISUALSTYLE = sreader.HandleReference();
}
//R2000 +:
if (R2000Plus)
{
//BL: Flags:
int flags = sreader.ReadBitLong();
//CELWEIGHT Flags & 0x001F
header.CurrentEntityLineWeight = (short)(flags & 0x1F);
//ENDCAPS Flags & 0x0060
header.EndCaps = (short)(flags & 0x60);
//JOINSTYLE Flags & 0x0180
header.JoinStyle = (short)(flags & 0x180);
//LWDISPLAY!(Flags & 0x0200)
header.DisplayLineWeight = (short)(flags & 0x200);
//XEDIT!(Flags & 0x0400)
header.XEdit = (short)(flags & 0x400);
//EXTNAMES Flags & 0x0800
header.ExtendedNames = (short)(flags & 0x800);
//PSTYLEMODE Flags & 0x2000
header.PlotStyleMode = (short)(flags & 0x2000);
//OLESTARTUP Flags & 0x4000
header.LoadOLEObject = (short)(flags & 0x4000);
//BS: INSUNITS
header.InsUnits = sreader.ReadBitShort();
//BS : CEPSNTYPE
header.CurrentEntityPlotStyleType = sreader.ReadBitShort();
if (header.CurrentEntityPlotStyleType == 3)
{
//H: CPSNID(present only if CEPSNTYPE == 3) (hard pointer)
objectPointers.CPSNID = sreader.HandleReference();
}
//TV: FINGERPRINTGUID
header.FingerPrintGuid = sreader.ReadVariableText();
//TV : VERSIONGUID
header.VersionGuid = sreader.ReadVariableText();
}
//R2004 +:
if (R2004Plus)
{
//RC: SORTENTS
header.EntitySortingFlags = (ObjectSortingFlags)sreader.ReadByte();
//RC : INDEXCTL
header.IndexCreationFlags = sreader.ReadByte();
//RC : HIDETEXT
header.HideText = sreader.ReadByte();
//RC : XCLIPFRAME, before R2010 the value can be 0 or 1 only.
header.ExternalReferenceClippingBoundaryType = sreader.ReadByte();
//RC : DIMASSOC
header.DimensionAssociativity = (DimensionAssociation)sreader.ReadByte();
//RC : HALOGAP
header.HaloGapPercentage = sreader.ReadByte();
//BS : OBSCUREDCOLOR
header.ObscuredColor = CadUtils.CreateColorFromIndex(sreader.ReadBitShort());
//BS : INTERSECTIONCOLOR
header.InterfereColor = CadUtils.CreateColorFromIndex(sreader.ReadBitShort());
//RC : OBSCUREDLTYPE
header.ObscuredType = sreader.ReadByte();
//RC: INTERSECTIONDISPLAY
header.IntersectionDisplay = sreader.ReadByte();
//TV : PROJECTNAME
header.ProjectName = sreader.ReadVariableText();
}
//Common:
//H: BLOCK_RECORD(*PAPER_SPACE)(hard pointer)
objectPointers.PAPER_SPACE = sreader.HandleReference();
//H: BLOCK_RECORD(*MODEL_SPACE)(hard pointer)
objectPointers.MODEL_SPACE = sreader.HandleReference();
//H: LTYPE(BYLAYER)(hard pointer)
objectPointers.BYLAYER = sreader.HandleReference();
//H: LTYPE(BYBLOCK)(hard pointer)
objectPointers.BYBLOCK = sreader.HandleReference();
//H: LTYPE(CONTINUOUS)(hard pointer)
objectPointers.CONTINUOUS = sreader.HandleReference();
//R2007 +:
if (R2007Plus)
{
//B: CAMERADISPLAY
header.CameraDisplayObjects = sreader.ReadBit();
//BL : unknown
sreader.ReadBitLong();
//BL : unknown
sreader.ReadBitLong();
//BD : unknown
sreader.ReadBitDouble();
//BD : STEPSPERSEC
header.StepsPerSecond = sreader.ReadBitDouble();
//BD : STEPSIZE
header.StepSize = sreader.ReadBitDouble();
//BD : 3DDWFPREC
header.Dw3DPrecision = sreader.ReadBitDouble();
//BD : LENSLENGTH
header.LensLength = sreader.ReadBitDouble();
//BD : CAMERAHEIGHT
header.CameraHeight = sreader.ReadBitDouble();
//RC : SOLIDHIST
header.SolidsRetainHistory = sreader.ReadRawChar();
//RC : SHOWHIST
header.ShowSolidsHistory = sreader.ReadRawChar();
//BD : PSOLWIDTH
header.SweptSolidWidth = sreader.ReadBitDouble();
//BD : PSOLHEIGHT
header.SweptSolidHeight = sreader.ReadBitDouble();
//BD : LOFTANG1
header.DraftAngleFirstCrossSection = sreader.ReadBitDouble();
//BD : LOFTANG2
header.DraftAngleSecondCrossSection = sreader.ReadBitDouble();
//BD : LOFTMAG1
header.DraftMagnitudeFirstCrossSection = sreader.ReadBitDouble();
//BD : LOFTMAG2
header.DraftMagnitudeSecondCrossSection = sreader.ReadBitDouble();
//BS : LOFTPARAM
header.SolidLoftedShape = sreader.ReadBitShort();
//RC : LOFTNORMALS
header.LoftedObjectNormals = sreader.ReadRawChar();
//BD : LATITUDE
header.Latitude = sreader.ReadBitDouble();
//BD : LONGITUDE
header.Longitude = sreader.ReadBitDouble();
//BD : NORTHDIRECTION
header.NorthDirection = sreader.ReadBitDouble();
//BL : TIMEZONE
header.TimeZone = sreader.ReadBitLong();
//RC : LIGHTGLYPHDISPLAY
header.DisplayLightGlyphs = sreader.ReadRawChar();
//RC : TILEMODELIGHTSYNCH ??
sreader.ReadRawChar();
//RC : DWFFRAME
header.DwgUnderlayFramesVisibility = sreader.ReadRawChar();
//RC : DGNFRAME
header.DgnUnderlayFramesVisibility = sreader.ReadRawChar();
//B : unknown
sreader.ReadBit();
//CMC : INTERFERECOLOR
header.InterfereColor = sreader.ReadCmColor();
//H : INTERFEREOBJVS(hard pointer)
objectPointers.INTERFEREOBJVS = sreader.HandleReference();
//H: INTERFEREVPVS(hard pointer)
objectPointers.INTERFEREVPVS = sreader.HandleReference();
//H: DRAGVS(hard pointer)
objectPointers.DRAGVS = sreader.HandleReference();
//RC: CSHADOW
header.ShadowMode = sreader.ReadByte();
//BD : unknown
header.ShadowPlaneLocation = sreader.ReadBitDouble();
}
//Set the position at the end of the section
m_mainReader.SetPositionInBits(initialPos + size * 8);
m_mainReader.ResetShift();
//Ending sentinel: 0x30,0x84,0xE0,0xDC,0x02,0x21,0xC7,0x56,0xA0,0x83,0x97,0x47,0xB1,0x92,0xCC,0xA0
var endsn = m_mainReader.ReadSentinel();
return(header);
}
