signal-desktop/js/views/identicon_svg_view.js
2018-04-30 16:53:34 -04:00

57 lines
1.5 KiB
JavaScript

(function() {
'use strict';
window.Whisper = window.Whisper || {};
/*
* Render an avatar identicon to an svg for use in a notification.
*/
Whisper.IdenticonSVGView = Whisper.View.extend({
templateName: 'identicon-svg',
initialize: function(options) {
this.render_attributes = options;
this.render_attributes.color = COLORS[this.render_attributes.color];
},
getSVGUrl: function() {
var html = this.render().$el.html();
var svg = new Blob([html], { type: 'image/svg+xml;charset=utf-8' });
return URL.createObjectURL(svg);
},
getDataUrl: function() {
var svgurl = this.getSVGUrl();
return new Promise(function(resolve) {
var img = document.createElement('img');
img.onload = function() {
var canvas = loadImage.scale(img, {
canvas: true,
maxWidth: 100,
maxHeight: 100,
});
var ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
URL.revokeObjectURL(svgurl);
resolve(canvas.toDataURL('image/png'));
};
img.src = svgurl;
});
},
});
var COLORS = {
red: '#EF5350',
pink: '#EC407A',
purple: '#AB47BC',
deep_purple: '#7E57C2',
indigo: '#5C6BC0',
blue: '#2196F3',
light_blue: '#03A9F4',
cyan: '#00BCD4',
teal: '#009688',
green: '#4CAF50',
light_green: '#7CB342',
orange: '#FF9800',
deep_orange: '#FF5722',
amber: '#FFB300',
blue_grey: '#607D8B',
};
})();