44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
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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 diamond shape from Tldraw v2 JSON data.
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*
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* @class Diamond
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* @extends {Geo}
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*/
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export class Diamond extends Geo {
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/**
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* Draws a diamond shape on the SVG canvas.
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* @return {G} Returns the SVG group element containing the diamond.
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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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const halfHeight = height / 2;
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// Shape begins from the upper left corner
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const points = [
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[0, halfHeight],
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[halfWidth, 0],
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[width, halfHeight],
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[halfWidth, height],
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].map((p) => p.join(',')).join(' ');
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const diamondGroup = this.shapeGroup;
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const diamond = 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(diamond);
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diamondGroup.add(diamond);
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this.drawLabel(diamondGroup);
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return diamondGroup;
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}
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}
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