39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
/*
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* vim: ts=4:sw=4:expandtab
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*/
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(function () {
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'use strict';
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window.Whisper = window.Whisper || {};
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/*
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* Render an avatar identicon to an svg for use in a notification.
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*/
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Whisper.IdenticonSVGView = Whisper.View.extend({
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templateName: 'identicon-svg',
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initialize: function(options) {
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this.render_attributes = options;
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},
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getSVGUrl: function() {
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var html = this.render().$el.html();
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var svg = new Blob([html], {type: 'image/svg+xml;charset=utf-8'});
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return URL.createObjectURL(svg);
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},
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getDataUrl: function() {
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var svgurl = this.getSVGUrl();
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return new Promise(function(resolve) {
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var img = document.createElement('img');
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img.onload = function () {
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var canvas = loadImage.scale(img, {
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canvas: true, maxWidth: 44, maxHeight: 44
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});
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var ctx = canvas.getContext('2d');
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ctx.drawImage(img, 0, 0);
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URL.revokeObjectURL(svgurl);
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resolve(canvas.toDataURL("image/png"));
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};
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img.src = svgurl;
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});
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}
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});
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})();
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