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