// ==UserScript==
// @name         GM_xhr读取图片显示例子
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://github.com/Owyn/HandyImage/issues/451
// @icon         https://www.google.com/s2/favicons?domain=github.com
// @grant        unsafeWindow
// @grant        GM_xmlhttpRequest
// ==/UserScript==
function arrayBufferToBase64(buffer) {

    var binary = '';
    var bytes = new Uint8Array(buffer);
    var len = bytes.byteLength;
    for (var i = 0; i < len; i++) {

        binary += String.fromCharCode(bytes[i]);
    }
    return window.btoa(binary);
}
GM_xmlhttpRequest({
    url:'https://i.piccy.info/i9/ac44f4a35e09a0d62fc0365dd33e7828/1635318743/16734/1446202/2021_10_27_10_07_37.jpg',
    responseType:'arraybuffer',
    method :"GET",
    headers: {
    },
    onload:function(xhr){
        let url= arrayBufferToBase64(xhr.response);
        var img=document.createElement('img')
        img.src='data:image/jpeg;base64,'+url;
        document.body.append(img)

    }
});