42 lines
997 B
JavaScript
42 lines
997 B
JavaScript
import {Polygon as SVGPolygon} from '@svgdotjs/svg.js';
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import {Geo} from './Geo.js';
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/**
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* Creates an SVG triangle shape from Tldraw v2 JSON data.
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*
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* @class Triangle
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* @extends {Geo}
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*/
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export class Triangle extends Geo {
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/**
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* Draws a triangle shape on the SVG canvas.
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* @return {G} Returns the SVG group element containing the triangle.
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*/
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draw() {
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const width = this.w;
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const height = this.h + this.growY;
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const halfWidth = width / 2;
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// Shape begins from the upper left corner
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const points = [
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[halfWidth, 0],
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[width, height],
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[0, height],
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].map((p) => p.join(',')).join(' ');
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const triangleGroup = this.shapeGroup;
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const triangle = new SVGPolygon({
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points,
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'stroke': this.shapeColor,
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'stroke-width': this.thickness,
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'style': this.dasharray,
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});
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this.setFill(triangle);
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triangleGroup.add(triangle);
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this.drawLabel(triangleGroup);
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return triangleGroup;
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}
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}
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