167 lines
6.8 KiB
TypeScript
167 lines
6.8 KiB
TypeScript
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 IAttribEntity extends IEntity {
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scale: number;
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textStyle: 'STANDARD' | string;
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text: string;
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tag: string;
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prompt: string;
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startPoint: IPoint;
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endPoint: IPoint;
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thickness: number;
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textHeight: number;
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rotation: number;
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lineSpacingFactor: number;
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fillBoxScale: number;
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annotationHeight: number;
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obliqueAngle: number;
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invisible: boolean;
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constant: boolean;
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verificationRequired: boolean;
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preset: boolean;
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horizontalJustification: number;
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verticalJustification: number;
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backgroundFillColor: string;
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attachmentPoint: number;
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lineSpacing: number;
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backgroundFillSetting: string;
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extrusionDirection: IPoint;
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lockPositionFlag: number;
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hardPointerId: number;
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}
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export default class Attrib implements IGeometry{
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public ForEntityName = 'ATTRIB' as const;
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public parseEntity(scanner: DxfArrayScanner, curr: IGroup) {
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const entity = {
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type: curr.value,
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scale: 1,
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textStyle: 'STANDARD',
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} as IAttribEntity;
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curr = scanner.next();
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while (!scanner.isEOF()) {
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// 0 为图元类型 (MTEXT)，不写入，此处当作 Attrib解析
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if (curr.code === 0) {
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break;
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}
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switch (curr.code) {
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case 1:
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// 字符串本身
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entity.text = curr.value as string;
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break;
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case 2:
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// 属性标签（字符串；不能包含空格）
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entity.tag = curr.value as string;
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break;
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case 3:
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// 附加文字（始终在长度为 250 个字符的数据块中）（可选）
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entity.prompt = curr.value as string;
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break;
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case 7:
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// DXF：X 值；APP：三维矢量文字样式名（如果未提供，则为 STANDARD）（可选）
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entity.textStyle = curr.value as string;
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break;
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case 10: // 文字起点（在 OCS 中）
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entity.startPoint = helpers.parsePoint(scanner);
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break;
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case 11: //X 轴方向矢量（在 WCS 中）
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entity.endPoint = helpers.parsePoint(scanner);
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break;
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case 39:
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// 厚度（可选；默认值 = 0）
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entity.thickness = curr.value as number;
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break;
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case 40:
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// 文字高度
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entity.textHeight = curr.value as number;
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break;
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case 41:
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// X 相对缩放比例（宽度）（可选；默认值 = 1）。使用拟合类型的文字时，该值也将进行调整。
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entity.scale = curr.value as number;
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break;
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case 44:
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// 多行文字的行距比例（可选）：
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// 要应用的行距的默认百分比（五分之三）。
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// 有效值的范围从 0.25 到 4.00
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entity.lineSpacingFactor = curr.value as number;
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break;
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case 45:
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// 填充框大小（可选）：
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// 确定文字周围的边框大小。
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entity.fillBoxScale = curr.value as number;
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break;
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case 46:
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// 定义注释高度
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entity.annotationHeight = curr.value as number;
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break;
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case 50:
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//文字旋转角度（可选；默认值 = 0）
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entity.rotation = curr.value as number;
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break;
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case 51:
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// 倾斜角（可选；默认值 = 0）
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entity.obliqueAngle = curr.value as number;
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break;
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case 63:
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//背景填充颜色（可选）：
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// 组码 90 为 1 时要用于背景填充的颜色。
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entity.backgroundFillColor = curr.value as string
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break;
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case 70:
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entity.invisible = !!((curr.value as number) & 0x01);
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entity.constant = !!((curr.value as number) & 0x02);
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entity.verificationRequired = !!((curr.value as number) & 0x04);
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entity.preset = !!((curr.value as number) & 0x08);
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break;
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case 71:
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//附着点：
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// 1 = 左上；2 = 中上；3 = 右上
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// 4 = 左中；5 = 正中；6 = 右中
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// 7 = 左下；8 = 中下；9 = 右下
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entity.attachmentPoint = curr.value as number;
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break;
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case 72:
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// 文字水平对正类型（可选；默认值 = 0）
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entity.horizontalJustification = curr.value as number;
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break;
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case 73:
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// 字段长度（可选；默认值 = 0）（当前未使用）
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entity.lineSpacing = curr.value as number;
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break;
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case 74:
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// 垂直文字对正类型（可选；默认值 = 0）
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entity.verticalJustification = curr.value as number;
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break;
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case 90:
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// 背景填充设置：
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// 0 = 背景填充关闭
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// 1 = 使用背景填充颜色
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// 2 = 使用图形窗口颜色作为背景填充颜色
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entity.backgroundFillSetting = curr.value as string;
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break;
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case 210:
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// 拉伸方向。仅当图元的拉伸方向与 WCS 的 Z 轴不平行时才出现（可选；默认值 = 0, 0, 1）
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entity.extrusionDirection = helpers.parsePoint(scanner);
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break;
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case 280:
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// 锁定位置标志。锁定块参照中属性的位置
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entity.lockPositionFlag = curr.value as number;
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break;
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case 340:
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// 次要属性或属性定义的硬指针 ID
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entity.hardPointerId = 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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