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magnify_image.js
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magnify_image.js
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import { getLargestImageSrc } from "./auto_redirectLargestImageSrc.js";
import { UfsGlobal } from "./content-scripts/ufs_global.js";
import { BADGES } from "./helpers/badge.js";
const contextMenuId = "magnify-image";
const CACHED = {
mouse: { x: 0, y: 0 },
configSize: null,
};
const MagnifySizeKey = "ufs_magnify_image_size";
const getConfigSize = async () => {
if (!CACHED.configSize) {
const { Storage } = await import("./helpers/utils.js");
const data = await Storage.get(MagnifySizeKey);
CACHED.configSize = data?.split("x") || [20, 20];
}
return CACHED.configSize;
};
const setConfigSize = async (width, height) => {
const { Storage } = await import("./helpers/utils.js");
CACHED.configSize = [width, height];
return Storage.set(MagnifySizeKey, width + "x" + height);
};
export default {
icon: '<i class="fa-solid fa-expand fa-lg fa-bounce"></i>',
name: {
en: "Magnify any Image",
vi: "Phóng to mọi hình ảnh",
},
description: {
en: `View any images in magnified window<br/>
Where you are able to zoom in/out, rotate, drag, and more.<br/>
Auto find large version of image to show.
<br/></br>
<p style="color:yellow">4 ways to use:</p>
Using now:
<ol>
<li>Right click in website > click magnify image</li>
<li>Left click this feature then click image</li>
</ol>
After turn-on auto-run:
<ol>
<li>Hover on any image/video > click magnify button</li>
<li>Double Ctrl on any image</li>
</ol>
`,
vi: `Xem bất kỳ hình ảnh nào trong cửa sổ phóng đại<br/>
Nơi bạn có thể phóng to/thu nhỏ, xoay, kéo thả, ...<br/>
Tự động tìm ảnh chất lượng cao để hiển thị.
<br/></br>
<p style="color:yellow">4 cách sử dụng:</p>
Dùng ngay:
<ol>
<li>Chuột phải vào ảnh/trang web > chọn magnify image</li>
<li>Click chức năng rồi click chọn ảnh</li>
</ol>
Cần mở tự chạy:
<ol>
<li>Đưa chuột vào ảnh/video > bấm nút phóng to</li>
<li>Ctrl 2 lần vào ảnh</li>
</ol>`,
img: "",
},
badges: [BADGES.hot],
changeLogs: {
"2024-04-10": "init",
"2024-04-27": "remove error img in gallery",
"2024-05-21": "not require autorun",
"2024-06-07":
"support video frame + right click anywhere + magnify on hover + search by images",
"2024-07-28": "config img size for hover",
},
buttons: [
{
icon: '<i class="fa-solid fa-gear"></i>',
name: {
vi: "Cài đặt",
en: "Setting",
},
onClick: async () => {
const { t } = await import("../popup/helpers/lang.js");
const [width, height] = await getConfigSize();
const result = await Swal.fire({
title: t({ vi: "Cài đặt phóng to", en: "Magnify Setting" }),
html: `
<p>${t({
vi: "Chỉ hiện nút phóng to cho hình ảnh có kích thước lớn hơn:",
en: "Only show the magnify button when the image's size is larger than:",
})}</p>
<input
style="display: inline-block;width: 40%;margin: 5px;"
type="number"
id="swal-input1"
class="swal2-input"
value="${width}"
placeholder="${t({ vi: "Rộng", en: "Width" })}">X<input
style="display: inline-block;width: 40%;margin: 5px;"
type="number"
id="swal-input2"
class="swal2-input"
value="${height}"
placeholder="${t({ vi: "Cao", en: "Height" })}">
`,
preConfirm: () => {
return [
document.getElementById("swal-input1").value,
document.getElementById("swal-input2").value,
];
},
});
if (result.isConfirmed) {
const [width, height] = result.value;
await setConfigSize(width, height);
Swal.fire({
icon: "success",
title: t({ vi: "Thành công", en: "Success" }),
text: t({
vi: "Cài đặt phóng to đã được cập nhật.",
en: "Magnify setting has been updated.",
}),
});
}
},
},
],
popupScript: {
onClick: () => {
window.close(); // close extension popup
},
},
contentScript: {
onClick: async () => {
const { remove: removeNoti, setPosition } = UfsGlobal.DOM.notify({
msg: "Useful-script: Click any image to magnify",
duration: 99999,
styleText: `
transition: none !important;
pointer-events: none !important;
`,
});
injectCss();
let overlay = document.createElement("div");
overlay.classList.add("ufs-click-to-magnify-overlay");
overlay.addEventListener("mousemove", (e) => {
setPosition(e.clientX, e.clientY + 20);
});
document.body.appendChild(overlay);
function clickToMagnify(e) {
overlay.remove();
removeNoti();
try {
magnifyImage(e.clientX, e.clientY);
} catch (e) {
console.log(e);
}
}
overlay.addEventListener("click", clickToMagnify);
},
// expose for background script to call
_createPreview: (details) => {
injectCss();
if (details?.srcUrl) {
createPreview(details?.srcUrl);
} else {
magnifyImage();
}
},
onDocumentStart_: async () => {
window.addEventListener("mousemove", (e) => {
CACHED.mouse.x = e.clientX;
CACHED.mouse.y = e.clientY;
});
injectCss();
let hovering = null;
let div = document.createElement("div");
div.id = "ufs-magnify-image-hover-div";
div.title = "Useful-script: Click to magnify";
div.addEventListener("click", () => {
if (hovering) {
window.top.postMessage(
{
type: "ufs-magnify-image-hover",
data: {
srcs: hovering?.srcs,
x: hovering?.rect?.left,
y: hovering?.rect?.top,
},
},
"*"
);
}
});
function addToDom() {
(document.body || document.documentElement).appendChild(div);
}
addToDom();
UfsGlobal.DOM.onElementRemoved(div, addToDom);
window.addEventListener("mouseover", async (e) => {
const [width, height] = await getConfigSize();
if (e.target.clientWidth < width || e.target.clientHeight < height)
return;
let srcs = getImgSrcsFromElement(e.target);
if (!srcs?.length) {
div.classList.toggle("hide", e.target !== div);
return;
}
let rect = getContentClientRect(e.target);
if (rect.width < 30 || rect.height < 30) {
rect.top -= rect.width / 2;
rect.left -= rect.height / 2;
}
rect.left = Math.max(rect.left, 0);
rect.top = Math.max(rect.top, 0);
hovering = { srcs, rect, target: e.target };
div.style.left = rect.left + "px";
div.style.top = rect.top + "px";
div.classList.toggle("hide", false);
});
// only main frame
if (window === window.top) {
// ctrl
let unsub = onDoublePress("Control", () => {
UfsGlobal.Extension.trackEvent("magnify-image-CTRL");
let mouse = getMousePos();
magnifyImage(mouse.x, mouse.y);
});
// hover
window.addEventListener("message", (e) => {
const { data, type } = e.data || {};
if (type === "ufs-magnify-image-hover") {
let srcs = data?.srcs;
if (srcs?.length)
UfsGlobal.Extension.trackEvent("magnify-image-HOVER");
if (srcs?.length > 1) chooseImg(srcs);
else if (srcs?.length === 1) createPreview(srcs[0]);
}
});
}
},
},
backgroundScript: {
runtime: {
onInstalled: () => {
chrome.contextMenus.create({
title: "Magnify image",
// contexts: ["image", "video"],
contexts: ["all"],
id: contextMenuId,
parentId: "root",
});
},
},
contextMenus: {
onClicked: ({ info, tab }, context) => {
if (info.menuItemId == contextMenuId) {
context.utils.runScriptInTabWithEventChain({
target: {
tabId: tab.id,
frameIds: [0],
},
scriptIds: ["magnify_image"],
eventChain: "contentScript._createPreview",
details: info,
world: "ISOLATED",
});
}
},
},
},
};
const defaultSearchData = `Google lens | https://lens.google.com/uploadbyurl?url=#t#
Google image | https://www.google.com/searchbyimage?safe=off&sbisrc=1&image_url=#t#
Yandex | https://yandex.com/images/search?source=collections&rpt=imageview&url=#t#
SauceNAO | https://saucenao.com/search.php?db=999&url=#t#
IQDB | https://iqdb.org/?url=#t#
3D IQDB | https://3d.iqdb.org/?url=#t#
Baidu | https://graph.baidu.com/details?isfromtusoupc=1&tn=pc&carousel=0&promotion_name=pc_image_shituindex&extUiData%5bisLogoShow%5d=1&image=#t#
Bing | https://www.bing.com/images/search?view=detailv2&iss=sbi&form=SBIVSP&sbisrc=UrlPaste&q=imgurl:#t#
TinEye | https://www.tineye.com/search?url=#t#
Sogou | https://pic.sogou.com/ris?query=#t#
360 | http://st.so.com/stu?imgurl=#t#
WhatAnime | https://trace.moe/?url=#t#
Ascii2D | https://ascii2d.net/search/url/#t#
Trace Moe | https://trace.moe/?url=#t#
KarmaDecay | http://karmadecay.com/#t#
QRCode decode | https://zxing.org/w/decode?full=true&u=#t#
QRCode | https://hoothin.com/qrcode/##t#
ImgOps | https://imgops.com/#b#`;
function injectCss(
path = "/scripts/magnify_image.css",
id = "ufs-magnify-image-css"
) {
if (!document.querySelector("#" + id)) {
UfsGlobal.Extension.getURL(path).then((url) => {
UfsGlobal.DOM.injectCssFile(url, id);
});
}
}
function getMousePos() {
return CACHED.mouse;
}
function validateMouse(x, y) {
if (x == null || y == null) {
let mouse = getMousePos();
return {
x: mouse.x ?? x ?? 0,
y: mouse.y ?? y ?? 0,
};
}
return { x, y };
}
function magnifyImage(x, y) {
let mouse = validateMouse(x, y);
let removeLoading,
loaded = false;
setTimeout(() => {
if (!loaded)
removeLoading = addLoadingAnimationAtPos(
mouse.x,
mouse.y,
40,
"",
`background: #eee9;`
);
}, 100);
getImagesAtPos(x, y).then((imgs) => {
loaded = true;
removeLoading?.();
if (!imgs?.length) {
UfsGlobal.DOM.notify({
msg: "Useful-script: No image found",
x: mouse.x,
y: mouse.y,
align: "left",
});
} else if (imgs?.length === 1) {
console.log(imgs);
let src = imgs[0].src;
createPreview(src, mouse.x, mouse.y);
} else {
chooseImg(
imgs.map((img) => img.src),
mouse.x,
mouse.y
);
}
});
}
// #region get image src at mouse
const BgState = {
none: "none",
transparent: "transparent",
dark: "dark",
light: "light",
};
function relativeUrlToAbsolute(url) {
try {
return new URL(url).href;
} catch (e) {
return url;
}
}
function getBg(node) {
if (
!node ||
node.nodeName?.toUpperCase?.() == "HTML" ||
node.nodeName == "#document"
) {
return false;
}
return ["", "::before", "::after"]
.map((s) => {
let nodeStyle = window.getComputedStyle(node, s);
let bg = nodeStyle.backgroundImage;
if (bg) {
let bgUrls = bg.split(",");
let urls = bgUrls.map((url) => url.match(/url\((['"]?)(.*?)\1\)/)?.[2]);
return urls.filter((url) => url !== null);
}
return null;
})
.flat()
.filter((_) => _);
}
const lazyImgAttr = [
"src",
"_src",
"xlink:href", // facebook
"data-lazy-src",
"org_src",
"data-lazy",
"data-url",
"data-orig-file",
"zoomfile",
"file",
"original",
"load-src",
"imgsrc",
"real_src",
"src2",
"origin-src",
"data-lazyload",
"data-lazyload-src",
"data-lazy-load-src",
"data-ks-lazyload",
"data-ks-lazyload-custom",
"data-src",
"data-defer-src",
"data-actualsrc",
"data-cover",
"data-original",
"data-thumb",
"data-imageurl",
"data-placeholder",
"lazysrc",
];
function getImgSrcsFromElement(ele) {
if (!ele) return null;
let fn = [
() => {
let srcset = ele.srcset || ele.getAttribute("srcset");
if (!srcset) {
// child srcset
let childs = ele.children;
if (childs?.length) {
for (let i = 0; i < childs.length; i++) {
let _ = childs[i].srcset;
if (_) srcset += _ + ", ";
}
}
}
if (!srcset) return;
return getLargestSrcset(srcset);
},
() => {
// if (/img|picture|source|image|a/i.test(ele.tagName))
for (let i in lazyImgAttr) {
let attrName = lazyImgAttr[i];
let attrValue = ele.getAttribute(attrName);
if (/\bimagecover\.\w+$/i.test(attrValue)) continue;
if (attrValue) {
return attrValue;
}
}
},
() => getBg(ele),
() => {
if (/image/i.test(ele.tagName)) {
return ele.getAttribute("href"); // reddit
}
if (/svg/i.test(ele.tagName)) {
return [svgToBase64(ele), svgToBlobUrl(ele)];
}
if (/canvas/i.test(ele.tagName)) {
return ele.toDataURL();
}
if (/video/i.test(ele.tagName)) {
// get current capture frame
let canvas = document.createElement("canvas");
canvas.width = ele.videoWidth;
canvas.height = ele.videoHeight;
canvas.getContext("2d").drawImage(ele, 0, 0);
let dataURL = canvas.toDataURL();
canvas.remove();
return dataURL;
}
},
];
let results = [];
for (let f of fn) {
try {
let srcs = f();
if (srcs && srcs?.length) {
if (!Array.isArray(srcs)) srcs = [srcs];
results = results.concat(srcs.map((src) => relativeUrlToAbsolute(src)));
}
} catch (e) {
// console.log("error", e);
}
}
return results;
}
function getAllChildElements(element) {
let childElements = [];
// Get all direct child elements of the current element
let children = element.children;
if (children?.length) {
childElements = childElements.concat(Array.from(children));
// Loop through each child element
for (let child of children) {
// Recursively call the function to get all descendants of the child element
let descendants = getAllChildElements(child);
// Add the descendants to the array
childElements = childElements.concat(descendants);
}
}
return childElements;
}
function getAllParentElements(element) {
let parentElements = [];
while (element.parentElement) {
parentElements.push(element.parentElement);
element = element.parentElement;
}
return parentElements;
}
async function filterImageSrcs(eleSrcs) {
try {
const results = await Promise.all(
eleSrcs.map((e) => UfsGlobal.Utils.isImageSrc(e.src))
);
return eleSrcs.filter((src, index) => results[index]);
} catch (error) {
console.log("ERROR", error);
return [];
}
}
function getLargestSrcset(srcset) {
let srcs = srcset.split(/[xw],/i),
largeSize = -1,
largeSrc = null;
if (!srcs.length) return null;
srcs.forEach((srci) => {
let srcInfo = srci.trim().split(/(\s+|%20)/),
curSize = parseInt(srcInfo[2] || 0);
if (srcInfo[0] && curSize > largeSize) {
largeSize = curSize;
largeSrc = srcInfo[0];
}
});
return largeSrc;
}
async function getImagesAtPos(x, y) {
let eles = Array.from(document.querySelectorAll("*"));
let pos = validateMouse(x, y);
let sourceEles = [];
eles = eles.reverse().filter((ele) => {
let rect = ele.getBoundingClientRect();
let isAtMouse =
rect.left <= pos.x &&
rect.right >= pos.x &&
rect.top <= pos.y &&
rect.bottom >= pos.y;
if (isAtMouse && /picture|img/i.test(ele.tagName)) {
let sources = Array.from(ele.querySelectorAll("source"));
if (sources?.length) sourceEles = sourceEles.concat(sources);
}
return isAtMouse;
});
eles = eles.concat(sourceEles);
eles = eles.concat(
eles
.slice(0, 4)
.map((ele) => getAllChildElements(ele))
.flat()
);
if (!eles.length) return null;
console.log("eles", eles);
let results = [];
for (let ele of eles) {
let srcs = getImgSrcsFromElement(ele);
if (srcs && srcs?.length) {
if (!Array.isArray(srcs)) srcs = [srcs];
srcs.forEach((src) => {
if (!results.find((r) => r.src == src)) results.push({ src, ele });
});
}
}
console.log("results", results);
if (results.length > 1) {
let rank = [/source/i, /img/i, /picture/i, /image/i, /a/i];
results = results.sort((a, b) => {
let rankA = rank.findIndex((r) => r.test(a.src));
let rankB = rank.findIndex((r) => r.test(b.src));
rankA = rankA == -1 ? 100 : rankA;
rankB = rankB == -1 ? 100 : rankB;
return rankB - rankA;
});
console.log("after sort", results);
}
// filter out video
results = results.filter(({ ele, src }) => {
return !/iframe/i.test(ele.tagName);
});
// results = await filterImageSrcs(results);
console.log("after filter", results);
return results;
}
// #endregion
// #region create UI
function resizeToFitWithMinSize(curW, curH, maxW, maxH, minSize) {
// Calculate the aspect ratio of the rectangle
const aspectRatio = curW / curH;
// Calculate the new width and height to fit inside the window while maintaining aspect ratio
let newWidth = maxW;
let newHeight = maxW / aspectRatio;
// If the new height exceeds the window height, resize based on height
if (newHeight > maxH) {
newHeight = maxH;
newWidth = maxH * aspectRatio;
}
if (newWidth > maxW) {
newWidth = maxW;
newHeight = maxW / aspectRatio;
}
// Apply minimum size constraints
if (newWidth < minSize) {
newWidth = minSize;
newHeight = minSize / aspectRatio;
}
if (newHeight < minSize) {
newHeight = minSize;
newWidth = minSize * aspectRatio;
}
// Return the new dimensions
return {
width: newWidth,
height: newHeight,
};
}
function chooseImg(srcs, _x, _y) {
let { x, y } = validateMouse(_x, _y);
let id = "ufs-magnify-choose-image";
let exist = document.getElementById(id);
if (exist) exist.remove();
// container
let overlay = document.createElement("div");
overlay.id = id;
overlay.style.cssText = `
top: ${y}px;
left: ${x}px;
`;
overlay.onclick = (e) => {
e.preventDefault();
if (e.target == overlay || e.target == container) {
overlay.remove();
}
};
document.body.appendChild(overlay);
// toolbar
let toolbar = document.createElement("div");
toolbar.classList.add("ufs-toolbar");
overlay.appendChild(toolbar);
// toggle background
let bgStates = [BgState.none, BgState.dark, BgState.light];
let curBgState =
(Number(localStorage.getItem("ufs-magnify-image-bg-choose-image")) || 0) -
1;
let toggleBg = document.createElement("div");
toggleBg.classList.add("ufs-btn");
toggleBg.innerText = "B";
toggleBg.ufs_title = "Change background";
toggleBg.onclick = () => {
curBgState = (curBgState + 1) % bgStates.length;
overlay.style.background = "";
switch (bgStates[curBgState]) {
case BgState.none:
overlay.style.background = "#000b";
break;
case BgState.dark:
overlay.style.background = "rgba(30, 30, 30, 1)";
break;
case BgState.light:
overlay.style.background = "rgba(240, 240, 240, 1)";
break;
}
toggleBg.innerText = "BG " + bgStates[curBgState];
localStorage.setItem("ufs-magnify-image-bg-choose-image", curBgState);
};
toggleBg.click(); // default is toggle ON
toolbar.appendChild(toggleBg);
// desc
let desc = document.createElement("div");
desc.classList.add("ufs-desc");
desc.innerText = "Choose image";
toolbar.appendChild(desc);
toolbar.addEventListener("mousemove", (e) => {
if (
e.target != toolbar &&
e.target?.ufs_title &&
e.target?.ufs_title != desc.textContent
) {
desc.textContent = e.target.ufs_title;
let x =
e.target.offsetLeft + e.target.offsetWidth / 2 - desc.offsetWidth / 2;
desc.style.cssText = `left: ${x}px`;
}
});
// animation overlay
setTimeout(() => {
overlay.style.top = 0;
overlay.style.left = 0;
overlay.style.width = "100vw";
overlay.style.height = "100vh";
overlay.style.opacity = 1;
overlay.style.borderRadius = "0";
}, 0);
// images
let container = document.createElement("div");
container.classList.add("ufs-img-container");
let imgs = [];
for (let i = 0; i < srcs.length; i++) {
let src = srcs[i];
let con = document.createElement("div");
con.classList.add("ufs-con");
container.appendChild(con);
// size
let size = document.createElement("div");
size.classList.add("ufs-size");
con.appendChild(size);
// img
let img = document.createElement("img");
img.src = src;
img.onload = () => {
size.innerText = `${img.naturalWidth} x ${img.naturalHeight}`;
img.setAttribute("loaded", true);
// auto create preview and close gallery
if (imgs.length == 1) {
img.click();
overlay.click();
}
};
img.onerror = () => {
size.remove();
img.remove();
imgs.splice(i, 1);
// auto create preview and close gallery
if (imgs.length == 1 && imgs[0].getAttribute("loaded")) {
imgs[0].click();
overlay.click();
}
};
img.onclick = () => {
// overlay.remove();
let mouse = getMousePos();
createPreview(
src,
mouse.x,
mouse.y,
// onClose
() => {},
// onFoundBigImg
(_src) => {
img.src = _src;
}
);
};
imgs.push(img);
con.appendChild(img);
}
overlay.appendChild(container);
}
function createPreview(
src,
_x,
_y,
onClose = () => {},
onFoundBigImg = () => {}
) {
const { x, y } = validateMouse(_x, _y);
const id = "ufs-magnify-image";
const exist = document.getElementById(id);
if (exist) exist.remove();
// container
let overlay = document.createElement("div");
overlay.id = id;
overlay.innerHTML = `
<div class="ufs-img-anim" style="top: ${y}px; left: ${x}px;"></div>
<img
src="${src}"
style="
top: ${window.innerHeight / 2}px;
left: ${window.innerWidth / 2}px;
transform-origin: center;
transform: translate(-50%, -50%) !important;
max-width: 100vw;
max-height: 100vh;
opacity: 0;
"/>
<div class="ufs-toolbar">
<div class="ufs-btn" ufs_title="Original size">Size</div>
<div class="ufs-btn" ufs_title="Toggle original size">Z</div>
<div class="ufs-btn" ufs_title="Toggle background">B</div>
<div class="ufs-btn" ufs_title="Flip horizontal">↔</div>
<div class="ufs-btn" ufs_title="Flip vertical">↕</div>
<div class="ufs-btn" ufs_title="Rotate left">↺</div>
<div class="ufs-btn" ufs_title="Rotate right">↻</div>
<div class="ufs-btn" ufs_title="Open in new tab">↗</div>
<div class="ufs-btn" ufs_title="Download">⬇️</div>
<div class="ufs-btn ufs-dropdown-menu" ufs_title="">🔎 Search by image
<ul>
${defaultSearchData
.split("\n")
.map((s) => {
let [title, url] = s.split(" | ");
return `<li class="ufs-btn" data-url="${url}">${title}</li>`;
})
.join("")}
</ul>
</div>
<div class="ufs-desc"></div>
</div>
`;
document.body.appendChild(overlay);
// animation div: a rect that represent image scaled up from original position (mouse position)
const animDiv = overlay.querySelector(".ufs-img-anim");
const img = overlay.querySelector("img");
const toolbar = overlay.querySelector(".ufs-toolbar");
const [
sizeEle,
zoomEle,
toggleBg,
flipH,
flipV,
rotateLeft,
rotateRight,
openNewTab,
download,
search,
] = Array.from(toolbar.querySelectorAll(".ufs-btn"));
const desc = toolbar.querySelector(".ufs-desc");
function updateSize() {
if (img.naturalWidth && img.naturalHeight) {
let resolution = getResolutionCategory(
img.naturalWidth,
img.naturalHeight
);
sizeEle.innerText =
`${img.naturalWidth} x ${img.naturalHeight}` +
(resolution ? ` ~ ${resolution}` : "");
}
}
function updateZoom() {
if (img.naturalWidth && img.naturalHeight) {
let zoom = (parseFloat(img.style.width) / img.naturalWidth).toFixed(1);
if (parseInt(zoom) == zoom) zoom = parseInt(zoom);
zoomEle.innerText = `${zoom}x`;
}
}
const { destroy, animateTo } = enableDragAndZoom(
img,
overlay,
(updatedValue) => {
if ("width" in updatedValue || "height" in updatedValue) updateZoom();
}
);
let removeAnimLoading;
setTimeout(() => {
removeAnimLoading = addLoadingAnimation(animDiv, 40);
}, 500);
// close on click outside
overlay.addEventListener("click", (e) => {
if (e.target == overlay) {
overlay.remove();
overlay = null;
destroy();
onClose?.();
}
});
let isFirstLoad = false;
img.onload = () => {
let curW = img.naturalWidth,
curH = img.naturalHeight;
// first load - original image
if (!isFirstLoad) {
isFirstLoad = true;
let newSize = resizeToFitWithMinSize(
curW,
curH,
Math.max(window.innerWidth - 100, 400),
Math.max(window.innerHeight - 100, 400),
100
);
img.style.width = `${newSize.width}px`;
img.style.height = `${newSize.height}px`;
img.style.opacity = 1;
// animation
removeAnimLoading?.();
animDiv.style.top = img.style.top;
animDiv.style.left = img.style.left;
animDiv.style.width = img.style.width;
animDiv.style.height = img.style.height;
animDiv.style.borderRadius = 0;
animDiv.style.opacity = 0;
setTimeout(() => {
animDiv.remove();
}, 300);
}
// second+ load -> usually largest image
else {
let newRatio = curW / curH;
img.style.height = `${parseInt(img.style.width) / newRatio}px`;
}
updateSize();
updateZoom();
};
img.onerror = () => {
UfsGlobal.DOM.notify({ msg: "Failed to load image" });
};
zoomEle.onclick = () => {
let w = img.naturalWidth,
h = img.naturalHeight;
if (parseInt(img.style.width) === w && parseInt(img.style.height) === h) {
let newSize = resizeToFitWithMinSize(
w,
h,