private static void AddLayerDefinitionToExport(ref StringBuilder _sb, string _layer_name, string _ltype_name, SharpDX.Color _color, bool _marked_as_hidden)
{
if (_sb == null || string.IsNullOrEmpty(_layer_name))
{
return;
}
string ltype = (string.IsNullOrEmpty(_ltype_name)) ? "Continuous" : _ltype_name;
_sb.AppendLine(((int)DXFSpecSaveCodes.ENTITY_TYPE).ToString()); // 0
_sb.AppendLine(DXFUtils.LAYER); // LAYER
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbSymbolTableRecord");
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbLayerTableRecord");
_sb.AppendLine(((int)EntitySaveCode.ENTITY_NAME).ToString()); // 2
_sb.AppendLine(_layer_name); // ENTITY_NAME
/*
* 70: Standard flags (bit-coded values)
* 1 = Layer is frozen; otherwise layer is thawed.
* 2 = Layer is frozen by default in new viewports.
* 4 = Layer is locked.
* 16 = If set, table entry is externally dependent on an xref.
* 32 = If this bit and bit 16 are both set, the externally dependent xref has been successfully resolved.
* 64 = If set, the table entry was referenced by at least one entity in the drawing the last time the drawing was edited.
*/
_sb.AppendLine("70"); // 70
_sb.AppendLine("0");
_sb.AppendLine(((int)DXFSpecSaveCodes.COLOR_INDEX).ToString()); // 62
DXFImportExport.DXFColor dxf_color = new DXFImportExport.DXFColor((float)_color.R, (float)_color.G, (float)_color.B, (float)_color.A, true);
int ic = DXFImportExport.DXFColor.DXFColor2Index(dxf_color);
if (_marked_as_hidden)
{
ic = (ic / 10) * 10 + 1;
}
_sb.AppendLine(ic.ToString());
//_sb.AppendLine(((int)DXFSpecSaveCodes.TRUE_COLOR).ToString()); // 420
//long tc = DXFImportExport.DXFColor.DXFColor2TrueColor(new DXFImportExport.DXFColor((float)_color.R, (float)_color.G, (float)_color.B, (float)_color.A, true));
//_sb.AppendLine(tc.ToString());
_sb.AppendLine(((int)DXFSpecSaveCodes.LINETYPE_NAME).ToString()); // 6
_sb.AppendLine(ltype);
}
public static void Add3dPolylineToExport(ref StringBuilder _sb, string _layer_name, SharpDX.Color _color,
List <Vector3> _vertices, bool _is_closed = true)
{
if (_sb == null)
{
return;
}
if (_vertices == null || _vertices.Count == 0)
{
return;
}
string tmp = string.Empty;
_sb.AppendLine(((int)DXFSpecSaveCodes.ENTITY_TYPE).ToString()); // 0
_sb.AppendLine("POLYLINE");
// common
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbEntity");
_sb.AppendLine(((int)DXFSpecSaveCodes.LAYER_NAME).ToString()); // 8
tmp = (string.IsNullOrEmpty(_layer_name)) ? "0" : _layer_name;
_sb.AppendLine(tmp);
_sb.AppendLine(((int)DXFSpecSaveCodes.COLOR_INDEX).ToString()); // 62
DXFImportExport.DXFColor dxf_color = new DXFImportExport.DXFColor((float)_color.R, (float)_color.G, (float)_color.B, (float)_color.A, true);
int ic = 256; // DXFImportExport.DXFColor.DXFColor2Index(dxf_color);
_sb.AppendLine(ic.ToString()); // 256 = ByLayer
//_sb.AppendLine(((int)DXFSpecSaveCodes.TRUE_COLOR).ToString()); // 420
long tc = DXFImportExport.DXFColor.DXFColor2TrueColor(dxf_color);
//_sb.AppendLine(tc.ToString());
// 3d polyline
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDb3dPolyline");
_sb.AppendLine(((int)DXFSpecSaveCodes.ENT_FLOW_FLAG).ToString()); // 66
_sb.AppendLine("1");
_sb.AppendLine(((int)DXFSpecSaveCodes.POINT_LOCATION_X).ToString()); // 10
_sb.AppendLine("0");
_sb.AppendLine(((int)DXFSpecSaveCodes.POINT_LOCATION_Y).ToString()); // 20
_sb.AppendLine("0");
_sb.AppendLine(((int)DXFSpecSaveCodes.POINT_LOCATION_Z).ToString()); // 30
_sb.AppendLine("0");
_sb.AppendLine(((int)DXFSpecSaveCodes.POLYLINE_FLAG).ToString()); // 70: closed(1) 3d polyline(8)
tmp = (_is_closed) ? "9" : "8";
_sb.AppendLine(tmp);
// 3d polyline vertices
foreach (Vector3 v in _vertices)
{
Vector3 v_corrected = new Vector3(v.X, -v.Z, v.Y);
DXFUtils.Add3dPolylineVertexToExport(ref _sb, v_corrected, _layer_name, 256, tc);
}
// mark end of vertex sequence
_sb.AppendLine(((int)DXFSpecSaveCodes.ENTITY_TYPE).ToString()); // 0
_sb.AppendLine("SEQEND");
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbEntity");
_sb.AppendLine(((int)DXFSpecSaveCodes.LAYER_NAME).ToString()); // 8
tmp = (string.IsNullOrEmpty(_layer_name)) ? "0" : _layer_name;
_sb.AppendLine(tmp);
_sb.AppendLine(((int)DXFSpecSaveCodes.COLOR_INDEX).ToString()); // 62
_sb.AppendLine(ic.ToString());
//_sb.AppendLine(((int)DXFSpecSaveCodes.TRUE_COLOR).ToString()); // 420
//_sb.AppendLine(tc.ToString());
}
public virtual void AddToExport(ref StringBuilder _sb, bool _with_contained_entites)
{
if (_sb == null)
{
return;
}
string tmp = string.Empty;
// THE FOLLOWING 4 LINES ARE TO BE CALLED IN EACH NON-ABSTRACT SUBCLASS TO REFLECT THE DYNAMIC TYPE
// ===============================================================================================
//_sb.AppendLine(((int)EntitySaveCode.ENTITY_START).ToString()); // 0
//_sb.AppendLine(DXFUtils.GV_ENTITY); // GV_ENTITY
//_sb.AppendLine(((int)EntitySaveCode.CLASS_NAME).ToString()); // 100 (subclass marker)
//_sb.AppendLine(this.GetType().ToString()); // GeometryViewer.EntityGeometry.Entity
// ===============================================================================================
// GENERAL
_sb.AppendLine(((int)EntitySaveCode.ENTITY_ID).ToString()); // 900 (custom code)
_sb.AppendLine(this.ID.ToString()); // e.g. 254
_sb.AppendLine(((int)EntitySaveCode.ENTITY_NAME).ToString()); // 2
_sb.AppendLine(this.EntityName); // e.g. "Entity 254"
_sb.AppendLine(((int)EntitySaveCode.VISIBILITY).ToString()); // 60
_sb.AppendLine(this.Visibility2SaveCode().ToString()); // (0 = visible, 1 = invisible; custom: 2 = half, -11 = unknown)
_sb.AppendLine(((int)EntitySaveCode.SPACE).ToString()); // 67
_sb.AppendLine("0"); // (absent or 0 = entity in model space, 1 = entity in paper space, default = 0)
_sb.AppendLine(((int)DXFSpecSaveCodes.COLOR_INDEX).ToString()); // 62
DXFImportExport.DXFColor dxf_color = new DXFImportExport.DXFColor((float)this.EntityColor.R, (float)this.EntityColor.G, (float)this.EntityColor.B, (float)this.EntityColor.A, true);
int ic = DXFImportExport.DXFColor.DXFColor2Index(dxf_color);
_sb.AppendLine(ic.ToString());
_sb.AppendLine(((int)EntitySaveCode.TRUECOLOR).ToString()); // 420
long tc = DXFImportExport.DXFColor.DXFColor2TrueColor(dxf_color);
_sb.AppendLine(tc.ToString()); // 195(0..255)(0..255)(0..255)
// SPECIFIC
tmp = (this.IsValid) ? "1" : "0";
_sb.AppendLine(((int)EntitySpecificSaveCode.VALIDITY).ToString()); // 1001
_sb.AppendLine(tmp); // 1 = valid, 0 = invalid
tmp = (this.AssociatedWComp) ? "1" : "0";
_sb.AppendLine(((int)EntitySpecificSaveCode.ASSOC_W_OTHER).ToString()); // 1002
_sb.AppendLine(tmp); // 1 = associated, 0 = not associated
// ---CONTAINED ENTITIES START---
// ------------------------------
if (this.ContainedEntities == null || this.ContainedEntities.Count == 0 || !_with_contained_entites)
{
_sb.AppendLine(((int)EntitySpecificSaveCode.CONTAINED_ENTITIES).ToString()); // 1003
_sb.AppendLine("0");
}
else
{
_sb.AppendLine(((int)EntitySpecificSaveCode.CONTAINED_ENTITIES).ToString()); // 1003
_sb.AppendLine(this.ContainedEntities.Count.ToString());
_sb.AppendLine(((int)EntitySaveCode.ENTITY_START).ToString()); // 0
_sb.AppendLine(DXFUtils.ENTITY_SEQUENCE); // ENTSEQ
foreach (Entity e in this.ContainedEntities)
{
if (e != null)
{
e.AddToExport(ref _sb, _with_contained_entites);
}
}
_sb.AppendLine(((int)EntitySaveCode.ENTITY_START).ToString()); // 0
_sb.AppendLine(DXFUtils.SEQUENCE_END); // SEQEND
_sb.AppendLine(((int)EntitySaveCode.ENTITY_START).ToString()); // 0
_sb.AppendLine(DXFUtils.ENTITY_CONTINUE); // ENTCTN
}
// ------------------------------
// ---CONTAINED ENTITIES END ---
// ARC properties
_sb.AppendLine(((int)EntitySpecificSaveCode.VISLINE_THICKNESS).ToString()); // 1004
_sb.AppendLine(DXFUtils.ValueToString(this.LineThicknessGUI, "F8")); // "0.25"
foreach (string line in this.Text)
{
if (string.IsNullOrEmpty(line))
{
continue;
}
_sb.AppendLine(((int)EntitySpecificSaveCode.TEXT_LINE).ToString()); // 1005
_sb.AppendLine(line);
}
// BPH properties
tmp = (this.IsTopClosure) ? "1" : "0";
_sb.AppendLine(((int)EntitySpecificSaveCode.IS_TOP_CLOSURE).ToString()); // 1006
_sb.AppendLine(tmp);
tmp = (this.IsBottomClosure) ? "1" : "0";
_sb.AppendLine(((int)EntitySpecificSaveCode.IS_BOTTOM_CLOSURE).ToString()); // 1007
_sb.AppendLine(tmp);
// signify end of complex entity
_sb.AppendLine(((int)EntitySaveCode.ENTITY_START).ToString()); // 0
_sb.AppendLine(DXFUtils.SEQUENCE_END); // SEQEND
}