signal-desktop/js/views/identicon_svg_view.js
lilia e80fa187ba Upsize svg identicons
The chrome.notifications api renders iconUrls at full bleed, as opposed
to the Web Notifications api, which adds padding. This was causing our
identicons to look a bit over stretched.

Fixed by rendering them a bit larger and with some padding.

// FREEBIE
2015-09-14 13:49:19 -07:00

39 lines
1.3 KiB
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
(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;
},
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;
});
}
});
})();