70 lines
2.1 KiB
TypeScript
70 lines
2.1 KiB
TypeScript
const COLORS = [
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"#FF5733",
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"#33FF57",
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"#3357FF",
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"#F1C40F",
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"#8E44AD",
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"#E67E22",
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"#3498DB",
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"#2ECC71",
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"#E74C3C",
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"#1ABC9C"
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]
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numberLineFontSize = 1.25;
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numberLineStrokeWidth = 0.1;
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strokeWidth = 0.5;
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lineHeight = 0.75;
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lineGap = 1;
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points = [
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{ start: 0, end: 20, count: 2 },
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// { start: 0, end: 36.5, count: 1 },
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// { start: 36.5, end: 10, count: 3 },
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// { start: 10, end: 45, count: 1 },
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// { start: 45, end: 87, count: 1 },
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// { start: 87, end: 4.5, count: 1 },
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// { start: 4.5, end: 100, count: 1 },
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// { start: 100, end: 2, count: 1 }
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]
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get maxPoint(): number {
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return Math.max(...this.points.map(item => item.end));
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}
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get normalizedNumberLineFontSize(): number {
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return this.maxPoint / 100 * this.numberLineFontSize;
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}
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get normalizedNumberLineStrokeWidth(): number {
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return this.maxPoint / 100 * this.numberLineStrokeWidth;
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}
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get normalizedStrokeWidth(): number {
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return this.maxPoint / 100 * this.strokeWidth;
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}
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get normalizedLineHeight(): number {
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return (this.getLineNumber(this.points.length - 1, this.points[this.points.length - 1].count) + 1) / 10 * this.lineHeight;
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}
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get viewBox(): string {
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return `0 0 ${Math.max(...this.points.map(item => item.end))} ${this.getLineNumber(this.points.length - 1, this.points[this.points.length - 1].count) + 1}`
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}
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lineCountNumber(n: number): number[] {
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return Array(n).fill(null).map((_, i) => i + 1);
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}
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getLineNumber(index: number, lineCount: number): number {
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return this.points.slice(0, index).map(item => item.count).reduce((total, num) => total += num, 0) + lineCount + 5;
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}
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getSinglePoints(): number[] {
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// get all points in one array (start + end)
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const allPoints = this.points.map(item => [item.start, item.end]).reduce((pV, cV) => { pV.push(...cV); return pV }, []);
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// remove duplicates and sort
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const singlePoints = allPoints.filter((item, index) => allPoints.findIndex(n => n === item) === index).sort((a, b) => a - b);
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return singlePoints
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}
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getRandomColor(n: number): string {
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return COLORS[n % COLORS.length];
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} |