53 lines
1.6 KiB
JavaScript
Executable File
53 lines
1.6 KiB
JavaScript
Executable File
import React from 'react';
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import PropTypes from 'prop-types';
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import AnnotationHelpers from '../helpers.js';
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export default class TriangleDrawComponent extends React.Component {
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constructor(props) {
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super(props);
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}
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getCoordinates() {
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let path = '';
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// points[0] and points[1] are x and y coordinates of the top left corner of the annotation obj
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// points[2] and points[3] are x and y coordinates of the bottom right corner of the annotation obj
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const xBottomLeft = this.props.annotation.points[0];
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const yBottomLeft = this.props.annotation.points[3];
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const xBottomRight = this.props.annotation.points[2];
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const yBottomRight = this.props.annotation.points[3];
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const xTop = ((xBottomRight - xBottomLeft) / 2) + xBottomLeft;
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const yTop = this.props.annotation.points[1];
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path = `${path}M${xTop / 100 * this.props.slideWidth
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},${yTop / 100 * this.props.slideHeight
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},${xBottomLeft / 100 * this.props.slideWidth
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},${yBottomLeft / 100 * this.props.slideHeight
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},${xBottomRight / 100 * this.props.slideWidth
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},${yBottomRight / 100 * this.props.slideHeight
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}Z`;
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return path;
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}
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render() {
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const path = this.getCoordinates();
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return (
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<path
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style={this.props.style}
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fill="none"
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stroke={AnnotationHelpers.formatColor(this.props.annotation.color)}
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d={path}
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strokeWidth={this.props.annotation.thickness}
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strokeLinejoin="round"
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/>
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);
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}
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}
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TriangleDrawComponent.defaultProps = {
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style: {
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WebkitTapHighlightColor: 'rgba(0, 0, 0, 0)',
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},
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};
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