TkAstral3D/packages/sdk/lib/dxf/parser/entities/mtext.ts
2025-10-04 23:36:07 +08:00

63 lines
1.6 KiB
TypeScript

import DxfArrayScanner, { IGroup } from '../DxfArrayScanner';
import * as helpers from '../ParseHelpers'
import IGeometry, { IEntity, IPoint } from './geomtry';
export interface IMtextEntity extends IEntity {
text: string;
position: IPoint;
directionVector: IPoint;
height: number;
width: number;
rotation: number;
attachmentPoint: number;
drawingDirection: number;
}
export default class Mtext implements IGeometry {
public ForEntityName = 'MTEXT' as const;
public parseEntity(scanner: DxfArrayScanner, curr: IGroup) {
const entity = { type: curr.value } as IMtextEntity;
curr = scanner.next();
while (!scanner.isEOF()) {
if (curr.code === 0) break;
switch (curr.code) {
case 3:
entity.text ? entity.text += curr.value : entity.text = curr.value as string;
break;
case 1:
entity.text ? entity.text += curr.value : entity.text = curr.value as string;
break;
case 10:
entity.position = helpers.parsePoint(scanner);
break;
case 11:
entity.directionVector = helpers.parsePoint(scanner);
break;
case 40:
//Note: this is the text height
entity.height = curr.value as number;
break;
case 41:
entity.width = curr.value as number;
break;
case 50:
entity.rotation = curr.value as number;
break;
case 71:
entity.attachmentPoint = curr.value as number;
break;
case 72:
entity.drawingDirection = curr.value as number;
break;
default:
helpers.checkCommonEntityProperties(entity, curr, scanner);
break;
}
curr = scanner.next();
}
return entity;
}
}