Image viewer for content pages, RIGHT or SPACE for the next image, LEFT for previous image.
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// ==UserScript==
// @namespace http://xorcerer.github.io/
// @name 18h.mm-cg.com Image Viewer
// @version 1
// @grant none
// @description Image viewer for content pages, RIGHT or SPACE for the next image, LEFT for previous image.
// @match https://18h.mm-cg.com/*/content.html
// @license MIT
// ==/UserScript==
function addGlobalStyle(css) {
var head, style;
head = document.getElementsByTagName('head')[0];
if (!head) { return; }
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
}
addGlobalStyle(`
/* The Overlay (background) */
.overlay {
/* Height & width depends on how you want to reveal the overlay (see JS below) */
height: 100vh;
width: 100vw;
position: fixed; /* Stay in place */
z-index: 1; /* Sit on top */
left: 0;
top: 0;
background-color: rgb(0,0,0); /* Black fallback color */
background-color: rgba(0,0,0, 0.9); /* Black w/opacity */
overflow-x: hidden; /* Disable horizontal scroll */
}
/* Position the content inside the overlay */
.overlay-content {
position: relative;
width: 100%; /* 100% width */
text-align: center; /* Centered text/links */
}
/* The navigation links inside the overlay */
.overlay-content img {
height: 100vh;
width: 100vw;
object-fit:contain;
}
`);
var markup = document.documentElement.innerHTML;
var urlRe = /Large_cgurl\[\d+\] = "(.+)";/g;
var pics = [];
var cache = [];
for (const match of markup.matchAll(urlRe)) {
var src = match[1];
pics.push(src);
var i = new Image();
i.src = src;
cache.push(i);
}
var d = document.createElement('div');
d.classList.add('overlay');
dc = document.createElement('div');
dc.classList.add('overlay-content');
d.appendChild(dc);
var i = document.createElement('img');
i.src = pics[0];
dc.appendChild(i);
document.body.innerHTML = '';
document.body.append(d);
var index = 0;
document.addEventListener('keyup', (e) => {
var left = -1, right = 1;
if (e.keyCode == 37) {
index -= 1;
if (index == -1) index = pics.length - 1;
i.src = pics[index]; return false;
} else if (e.keyCode == 39 || e.keyCode == 32) {
index += 1;
if (index >= pics.length) index = 0;
i.src = pics[index]; return false;
}
});