feat(All):Initial

2025-10-04 23:36:07 +08:00
commit 2b4e5d2668
1321 changed files with 415958 additions and 0 deletions
@@ -0,0 +1,52 @@
+
+import DxfArrayScanner, { IGroup } from '../DxfArrayScanner';
+import * as helpers from '../ParseHelpers'
+import IGeometry, { IEntity, IPoint } from './geomtry';
+
+export interface IEllipseEntity extends IEntity {
+	center: IPoint;
+	majorAxisEndPoint: IPoint;
+	axisRatio: number;
+	startAngle: number;
+	endAngle: number;
+	name: string;
+}
+
+export default class Ellipse implements IGeometry {
+	public ForEntityName = 'ELLIPSE' as const;
+	public parseEntity(scanner: DxfArrayScanner, curr: IGroup) {
+		const entity = { type: curr.value } as IEllipseEntity;
+		curr = scanner.next();
+		while (!scanner.isEOF()) {
+			if (curr.code === 0) break;
+
+			switch (curr.code) {
+				case 10:
+					entity.center = helpers.parsePoint(scanner);
+					break;
+				case 11:
+					entity.majorAxisEndPoint = helpers.parsePoint(scanner);
+					break;
+				case 40:
+					entity.axisRatio = curr.value as number;
+					break;
+				case 41:
+					entity.startAngle = curr.value as number;
+					break;
+				case 42:
+					entity.endAngle = curr.value as number;
+					break;
+				case 2:
+					entity.name = curr.value as string;
+					break;
+				default: // check common entity attributes
+					helpers.checkCommonEntityProperties(entity, curr, scanner);
+					break;
+			}
+
+			curr = scanner.next();
+		}
+
+		return entity;
+	}
+}