自定义伪春菜，比站内已有的版本加载快一点
// ==UserScript==
// @name Bangumi自定义伪春菜·改
// @namespace dottorrent.custom-chuncai-for-bangumi
// @version 1.0.4
// @description 自定义伪春菜，比站内已有的版本加载快一点
// @author .torrent
// @match http*://bgm.tv/*
// @match http*://bangumi.tv/*
// @match http*://chii.in/*
// @icon https://bgm.tv/img/favicon.ico
// @run-at document-end
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const set_chuncai_img = function() {
let CustomChuncaiURL = prompt("请输入替换春菜的图片网址", "https://");
if (CustomChuncaiURL != null && CustomChuncaiURL != "") {
let Img = new Image(),
dataURL='';
Img.crossOrigin = "anonymous";
Img.src=CustomChuncaiURL;
document.querySelector("#setCustomChuncai").innerText="下载中..."
Img.onload=function(){
const canvas = document.createElement('canvas'),
width=Img.width,
height=Img.height;
canvas.width=width;
canvas.height=height;
canvas.getContext('2d').drawImage(Img,0,0,width,height); //将图片绘制到canvas中
dataURL=canvas.toDataURL(); //转换图片为dataURL
localStorage.setItem("CustomChuncaiURL", CustomChuncaiURL);
localStorage.setItem("CustomChuncaiDataURL", dataURL);
document.querySelector("#setCustomChuncai").innerText="替换成功！"
setTimeout(()=>{
document.querySelector("#setCustomChuncai").innerText="替换春菜"
},2000)
change_chuncai_img();
};
}
}
const change_chuncai_img = function(){
let CustomChuncaiURL = localStorage.getItem("CustomChuncaiURL");
let CustomChuncaiDataURL = localStorage.getItem("CustomChuncaiDataURL");
let Shell = document.querySelectorAll("#ukagaka_shell div")[0];
if(CustomChuncaiDataURL){
Shell.style.setProperty('background', `url("${CustomChuncaiDataURL}") no-repeat top right`, 'important');
}
else if (CustomChuncaiURL) {
Shell.style.setProperty('background', `url("${CustomChuncaiURL}") no-repeat top right`, 'important');
}
}
document.querySelector("#ukagaka_menu").addEventListener("click", function(event) {
let li = document.createElement("li");
let a_nav = document.createElement("a");
a_nav.id='setCustomChuncai'
a_nav.classname='nav'
a_nav.href='javascript:void(0);'
a_nav.innerText='替换春菜'
li.innerText='◆ '
li.appendChild(a_nav)
document.querySelector(".speech ul li:nth-child(4)").before(li);
a_nav.addEventListener("click", set_chuncai_img)
});
change_chuncai_img();
})();