Get data url

input resource url and get data url

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        Get data url
// @namespace   https://blog.bgme.me
// @match       *://*/*
// @run-at      document-idle
// @version     1.0
// @author      bgme
// @description input resource url and get data url
// @supportURL  https://github.com/yingziwu/Greasemonkey/issues
// @icon        -
// @license     AGPL-3.0-or-later
// ==/UserScript==

"use strict";

unsafeWindow.toDataURL = toDataURL;
unsafeWindow.getDataURL = getDataURL;

// https://stackoverflow.com/questions/934012/get-image-data-url-in-javascript/42916772#42916772
function toDataURL(url, callback) {
  GM.xmlHttpRequest({
    method: "GET",
    url: url,
    responseType: "blob",
    onload(response) {
      var fr = new FileReader();

      fr.onload = function () {
        callback(this.result);
      };

      fr.readAsDataURL(response.response);
    },
  });
}

function getDataURL(url) {
  toDataURL(url, function (dataurl) {
    console.log(dataurl);
  });
}