65 lines
1.8 KiB
JavaScript
65 lines
1.8 KiB
JavaScript
// Copyright 2015-2021 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
/* global Whisper, loadImage, $ */
|
|
|
|
// eslint-disable-next-line func-names
|
|
(function () {
|
|
window.Whisper = window.Whisper || {};
|
|
|
|
/*
|
|
* Render an avatar identicon to an svg for use in a notification.
|
|
*/
|
|
Whisper.IdenticonSVGView = Whisper.View.extend({
|
|
template: () => $('#identicon-svg').html(),
|
|
initialize(options) {
|
|
this.render_attributes = options;
|
|
this.render_attributes.color = COLORS[this.render_attributes.color];
|
|
},
|
|
getSVGUrl() {
|
|
const html = this.render().$el.html();
|
|
const svg = new Blob([html], { type: 'image/svg+xml;charset=utf-8' });
|
|
return URL.createObjectURL(svg);
|
|
},
|
|
getDataUrl() /* : Promise<string> */ {
|
|
const svgurl = this.getSVGUrl();
|
|
return new Promise(resolve => {
|
|
const img = document.createElement('img');
|
|
img.onload = () => {
|
|
const canvas = loadImage.scale(img, {
|
|
canvas: true,
|
|
maxWidth: 100,
|
|
maxHeight: 100,
|
|
});
|
|
const ctx = canvas.getContext('2d');
|
|
ctx.drawImage(img, 0, 0);
|
|
URL.revokeObjectURL(svgurl);
|
|
resolve(canvas.toDataURL('image/png'));
|
|
};
|
|
img.onerror = () => {
|
|
URL.revokeObjectURL(svgurl);
|
|
// If this fails for some reason, we'd rather continue on than reject.
|
|
resolve(undefined);
|
|
};
|
|
|
|
img.src = svgurl;
|
|
});
|
|
},
|
|
});
|
|
|
|
const COLORS = {
|
|
red: '#cc163d',
|
|
deep_orange: '#c73800',
|
|
brown: '#746c53',
|
|
pink: '#a23474',
|
|
purple: '#862caf',
|
|
indigo: '#5951c8',
|
|
blue: '#336ba3',
|
|
teal: '#067589',
|
|
green: '#3b7845',
|
|
light_green: '#1c8260',
|
|
blue_grey: '#895d66',
|
|
grey: '#6b6b78',
|
|
ultramarine: '#2c6bed',
|
|
};
|
|
})();
|