feat(All):Initial

2025-10-04 23:36:07 +08:00
commit 2b4e5d2668
1321 changed files with 415958 additions and 0 deletions
@@ -0,0 +1,79 @@
+
+import DxfArrayScanner, { IGroup } from '../DxfArrayScanner';
+import * as helpers from '../ParseHelpers'
+
+import IGeometry, { IEntity, IPoint } from './geomtry';
+
+export interface IVertexEntity extends IEntity, IPoint{
+	bulge: number;
+	curveFittingVertex: boolean;
+	curveFitTangent: boolean;
+	splineVertex: boolean;
+	splineControlPoint: boolean;
+	threeDPolylineVertex: boolean;
+	threeDPolylineMesh: boolean;
+	polyfaceMeshVertex: boolean;
+	faceA: number;
+	faceB: number;
+	faceC: number;
+	faceD: number;
+}
+
+export default class Vertex implements IGeometry {
+	public ForEntityName= 'VERTEX' as const;
+	public parseEntity(scanner: DxfArrayScanner, curr: IGroup) {
+		var entity = { type: curr.value } as IVertexEntity;
+		curr = scanner.next();
+		while(!scanner.isEOF()) {
+				if(curr.code === 0) break;
+
+				switch(curr.code) {
+						case 10:	// X
+								entity.x = curr.value as number;
+								break;
+						case 20: // Y
+								entity.y = curr.value as number;
+								break;
+						case 30: // Z
+								entity.z = curr.value as number;
+								break;
+						case 40: // start width
+								break;
+						case 41: // end width
+								break;
+						case 42: // bulge
+								if(curr.value != 0) entity.bulge = curr.value as number;
+								break;
+						case 70: // flags
+								entity.curveFittingVertex = ((curr.value as number) & 1) !== 0;
+								entity.curveFitTangent = ((curr.value as number) & 2) !== 0;
+								entity.splineVertex = ((curr.value as number) & 8) !== 0;
+								entity.splineControlPoint = ((curr.value as number) & 16) !== 0;
+								entity.threeDPolylineVertex = ((curr.value as number) & 32) !== 0;
+								entity.threeDPolylineMesh = ((curr.value as number) & 64) !== 0;
+								entity.polyfaceMeshVertex = ((curr.value as number) & 128) !== 0;
+								break;
+						case 50: // curve fit tangent direction
+								break;
+						case 71: // polyface mesh vertex index
+								entity.faceA = curr.value as number;
+								break;
+						case 72: // polyface mesh vertex index
+								entity.faceB = curr.value as number;
+								break;
+						case 73: // polyface mesh vertex index
+								entity.faceC = curr.value as number;
+								break;
+						case 74: // polyface mesh vertex index
+								entity.faceD = curr.value as number;
+								break;
+						default:
+								helpers.checkCommonEntityProperties(entity, curr, scanner);
+								break;
+				}
+				
+				curr = scanner.next();
+		}
+		return entity;
+	}
+}