53 lines
1.3 KiB
TypeScript
53 lines
1.3 KiB
TypeScript
|
|
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;
|
|
}
|
|
}
|