89 lines
2.2 KiB
JavaScript
89 lines
2.2 KiB
JavaScript
import fs from 'fs'
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import { join } from 'path'
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import expect from 'expect'
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import { parseString } from '../../src'
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const dxfContents = fs.readFileSync(
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join(__dirname, '/../resources/splines.dxf'),
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'utf-8',
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)
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// A spline containing control point weights
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const dxfSquircle = fs.readFileSync(
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join(__dirname, '/../resources/squircle2.dxf'),
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'utf-8',
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)
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describe('SPLINE', () => {
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it('can be parsed', () => {
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const entities = parseString(dxfContents).entities
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expect(entities.length).toEqual(2)
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expect(entities[0]).toEqual({
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type: 'SPLINE',
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layer: '0',
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lineTypeName: 'ByLayer',
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colorNumber: 256,
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closed: false,
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flag: 8,
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handle: '4D',
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controlPointTolerance: 1e-7,
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controlPoints: [
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{ x: 10, y: 10, z: 0 },
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{ x: 50, y: 10, z: 0 },
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{ x: 80, y: 40, z: 0 },
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{ x: 90, y: 20, z: 0 },
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],
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degree: 3,
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knotTolerance: 1e-7,
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knots: [0, 0, 0, 0, 1, 1, 1, 1],
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numberOfControlPoints: 4,
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numberOfFitPoints: 0,
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numberOfKnots: 8,
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extrusionX: 0,
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extrusionY: 0,
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extrusionZ: 0,
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})
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expect(entities[1]).toEqual({
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type: 'SPLINE',
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layer: '0',
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lineTypeName: 'ByLayer',
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colorNumber: 256,
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closed: false,
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flag: 8,
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handle: '4E',
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controlPointTolerance: 1e-7,
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controlPoints: [
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{ x: 30, y: 30, z: 0 },
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{ x: 30, y: 50, z: 0 },
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{ x: 85, y: 55, z: 0 },
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{ x: 90, y: 80, z: 0 },
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{ x: 30, y: 50, z: 0 },
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{ x: 20, y: 80, z: 0 },
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{ x: 55, y: 100, z: 0 },
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{ x: 90, y: 90, z: 0 },
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],
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degree: 3,
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knotTolerance: 1e-7,
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knots: [0, 0, 0, 0, 0.2, 0.4, 0.6000000000000001, 0.8, 1, 1, 1, 1],
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numberOfControlPoints: 8,
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numberOfFitPoints: 0,
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numberOfKnots: 12,
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extrusionX: 0,
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extrusionY: 0,
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extrusionZ: 0,
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})
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})
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it('parses control weights', () => {
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const entities = parseString(dxfSquircle).entities
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expect(entities.length).toEqual(1)
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expect(entities[0].weights).toEqual([
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1, 0.7071067811865476, 1, 0.7071067811865476, 1, 0.7071067811865476, 1,
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0.7071067811865476, 1,
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])
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})
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})
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