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Better Standalone Image

Make standalone image display better

Làm thế nào để cài đặt

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

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.

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

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

Làm thế nào để cài đặt

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 Better Standalone Image
// @version 0.1.1
// @description Make standalone image display better
// @license MIT
// @author eight04 <[email protected]>
// @homepageURL https://github.com/eight04/better-standalone-image
// @supportURL https://github.com/eight04/better-standalone-image/issues
// @namespace eight04.blogspot.com
// @include *
// @run-at document-start
// @grant GM_getResourceURL
// @grant GM_getResourceText
// @grant GM_addStyle
// @resource style https://rawgit.com/eight04/better-standalone-image/5097ca904ed82b7342afc68272e072d3218a96da/better-standalone-image.user.css
// @compatible firefox Greasemonkey 3
// @compatible chrome Tampermonkey
// ==/UserScript==

(function() {
	if (!document.contentType.startsWith("image")) return;
	
	if (document.contentType == "image/svg+xml") {
		const s = document.documentElement.style;
		s.background = `
			linear-gradient(
				45deg, rgba(0, 0, 0, .25), rgba(0, 0, 0, .25) 25%,
				transparent 25%, transparent 75%, rgba(0, 0, 0, .25) 75%
			),
			linear-gradient(
				45deg, rgba(0, 0, 0, .25), rgba(0, 0, 0, .25) 25%,
				transparent 25%, transparent 75%, rgba(0, 0, 0, .25) 75%
			),
			#222
		`;
		s.backgroundPosition = "0 0, 8px 8px";
		s.backgroundSize = "16px 16px";
		
		s.position = "absolute";
		s.top = "0";
		s.right = "0";
		s.bottom = "0";
		s.left = "0";
		s.margin = "auto";
		
		s.boxShadow = "0 0 10px 10px rgba(0, 0, 0, .4)";
	} else {
		if (GM_info.scriptHandler == "Tampermonkey") {
			// Use GM_addStyle to bypass CSP in tampermonkey
			GM_addStyle(GM_getResourceText("style"));
		} else {
			// Use extension protocol to bypass CSP in greasemonkey
			const link = document.createElement("link");
			link.href = GM_getResourceURL("style");
			link.rel = "stylesheet";
			document.documentElement.appendChild(link);
		}
	}
})();