109 lines
3.5 KiB
JavaScript
109 lines
3.5 KiB
JavaScript
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(function() {
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var ignore = localStorage.getItem("bad-scale-ignore-it") == "ignore-it";
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function getScale() {
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var ratio = 0,
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screen = window.screen,
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ua = navigator.userAgent.toLowerCase();
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if (window.devicePixelRatio !== undefined) {
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ratio = window.devicePixelRatio;
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} else if (~ua.indexOf('msie')) {
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if (screen.deviceXDPI && screen.logicalXDPI) {
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ratio = screen.deviceXDPI / screen.logicalXDPI;
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}
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} else if (window.outerWidth !== undefined && window.innerWidth !== undefined) {
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ratio = window.outerWidth / window.innerWidth;
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}
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return ratio == 0 ? 0 : Math.round(ratio * 100);
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}
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var showing = false;
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var div = document.createElement("div");
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div.style.position = "fixed";
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div.style.top = "0px";
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div.style.left = "0px";
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div.style.width = "100vw";
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div.style.backgroundColor = "firebrick";
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div.style.textAlign = "center";
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div.style.zIndex = 99;
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var b = document.createElement("b");
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b.innerHTML = 'Bad Scale: ??% ';
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div.appendChild(b);
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var note1 = document.createElement("p");
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note1.innerHTML = "Change your browser or your computer settings!";
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note1.title = 'Just make sure "computer-scale" * "browser-scale" = 100% ,\n' +
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"you can keep your computer-scale and only change this page's scale,\n" +
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"for example: your computer-scale is 125%, just use [\"CTRL\"+\"-\"] to make your browser-scale of this page to 80%.";
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div.appendChild(note1);
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var note2 = document.createElement("p");
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note2.innerHTML = " Otherwise, it will cause this page to not function properly!";
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note2.title = "When you click \"Copy image to: [inpaint sketch]\" in some img2img's tab,\n" +
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"if scale<100% the canvas will be invisible,\n" +
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"else if scale>100% this page will take large amount of memory and CPU performance.";
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div.appendChild(note2);
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var btn = document.createElement("button");
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btn.innerHTML = "Click here to ignore";
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div.appendChild(btn);
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function tryShowTopBar(scale) {
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if (showing) return;
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b.innerHTML = 'Bad Scale: ' + scale + '% ';
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var updateScaleTimer = setInterval(function() {
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var newScale = getScale();
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b.innerHTML = 'Bad Scale: ' + newScale + '% ';
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if (newScale == 100) {
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var p = div.parentNode;
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if (p != null) p.removeChild(div);
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showing = false;
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clearInterval(updateScaleTimer);
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check();
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}
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}, 999);
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btn.onclick = function() {
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clearInterval(updateScaleTimer);
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var p = div.parentNode;
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if (p != null) p.removeChild(div);
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ignore = true;
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showing = false;
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localStorage.setItem("bad-scale-ignore-it", "ignore-it");
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};
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document.body.appendChild(div);
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}
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function check() {
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if (!ignore) {
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var timer = setInterval(function() {
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var scale = getScale();
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if (scale != 100 && !ignore) {
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tryShowTopBar(scale);
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clearInterval(timer);
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}
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if (ignore) {
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clearInterval(timer);
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}
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}, 999);
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}
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}
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if (document.readyState != "complete") {
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document.onreadystatechange = function() {
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if (document.readyState != "complete") check();
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};
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} else {
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check();
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}
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})();
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