forked from treehouse/mastodon
66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
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import React from 'react';
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import PropTypes from 'prop-types';
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import Button from '../../../components/button';
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import ImmutablePureComponent from 'react-immutable-pure-component';
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import Atrament from 'atrament'; // the doodling library
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export default class DoodleModal extends ImmutablePureComponent {
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static contextTypes = {
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router: PropTypes.object,
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};
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static propTypes = {
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onDoodleSubmit: PropTypes.func.isRequired, // gets the base64 as argument
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onClose: PropTypes.func.isRequired,
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};
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handleKeyUp = (e) => {
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if (e.key === 'Delete' || e.key === 'Backspace') {
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this.sketcher.clear();
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}
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}
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componentDidMount () {
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window.addEventListener('keyup', this.handleKeyUp, false);
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}
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handleDone = () => {
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this.props.onDoodleSubmit(this.sketcher.toImage());
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this.sketcher.destroy();
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this.props.onClose();
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}
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setCanvasRef = (elem) => {
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this.canvas = elem;
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if (elem) {
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this.sketcher = new Atrament(elem, 500, 500, 'black');
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// pre-fill with white
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this.sketcher.context.fillStyle = 'white';
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this.sketcher.context.fillRect(0, 0, elem.width, elem.height);
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// .smoothing looks good with mouse but works really poorly with a tablet
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this.sketcher.smoothing = false;
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// There's a bunch of options we should add UI controls for later
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// ref: https://github.com/jakubfiala/atrament.js
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}
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}
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render () {
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return (
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<div className='modal-root__modal doodle-modal'>
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<div className='doodle-modal__container'>
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<canvas ref={this.setCanvasRef} />
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</div>
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<div className='doodle-modal__action-bar'>
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<Button text='Done' onClick={this.handleDone} />
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</div>
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</div>
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);
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}
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}
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