wxiaoguang
GitHub
parent
b3ed1e0e62
commit
1a811c0bd1
6 changed files with 208 additions and 184 deletions
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@ -1,11 +1,11 @@
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import $ from 'jquery';
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import {GET} from '../modules/fetch.js';
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import {hideElem, loadElem, queryElemChildren} from '../utils/dom.js';
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import {hideElem, loadElem, queryElemChildren, queryElems} from '../utils/dom.js';
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import {parseDom} from '../utils.js';
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function getDefaultSvgBoundsIfUndefined(text, src) {
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const DefaultSize = 300;
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const MaxSize = 99999;
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const defaultSize = 300;
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const maxSize = 99999;
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const svgDoc = parseDom(text, 'image/svg+xml');
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const svg = svgDoc.documentElement;
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@ -17,7 +17,7 @@ function getDefaultSvgBoundsIfUndefined(text, src) {
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if (width.unitType === SVGLength.SVG_LENGTHTYPE_PERCENTAGE || height.unitType === SVGLength.SVG_LENGTHTYPE_PERCENTAGE) {
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const img = new Image();
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img.src = src;
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if (img.width > 1 && img.width < MaxSize && img.height > 1 && img.height < MaxSize) {
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if (img.width > 1 && img.width < maxSize && img.height > 1 && img.height < maxSize) {
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return {
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width: img.width,
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height: img.height,
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@ -26,13 +26,13 @@ function getDefaultSvgBoundsIfUndefined(text, src) {
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if (svg.hasAttribute('viewBox')) {
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const viewBox = svg.viewBox.baseVal;
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return {
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width: DefaultSize,
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height: DefaultSize * viewBox.width / viewBox.height,
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width: defaultSize,
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height: defaultSize * viewBox.width / viewBox.height,
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};
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}
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return {
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width: DefaultSize,
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height: DefaultSize,
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width: defaultSize,
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height: defaultSize,
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};
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}
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return null;
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@ -67,28 +67,31 @@ function createContext(imageAfter, imageBefore) {
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};
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}
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export function initImageDiff() {
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$('.image-diff:not([data-image-diff-loaded])').each(async function() {
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const $container = $(this);
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this.setAttribute('data-image-diff-loaded', 'true');
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class ImageDiff {
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async init(containerEl) {
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this.containerEl = containerEl;
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containerEl.setAttribute('data-image-diff-loaded', 'true');
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// the only jQuery usage in this file
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$(containerEl).find('.ui.menu.tabular .item').tab({autoTabActivation: false});
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// the container may be hidden by "viewed" checkbox, so use the parent's width for reference
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const diffContainerWidth = Math.max($container.closest('.diff-file-box').width() - 300, 100);
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this.diffContainerWidth = Math.max(containerEl.closest('.diff-file-box').clientWidth - 300, 100);
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const imageInfos = [{
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path: this.getAttribute('data-path-after'),
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mime: this.getAttribute('data-mime-after'),
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$images: $container.find('img.image-after'), // matches 3 <img>
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boundsInfo: this.querySelector('.bounds-info-after'),
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path: containerEl.getAttribute('data-path-after'),
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mime: containerEl.getAttribute('data-mime-after'),
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images: containerEl.querySelectorAll('img.image-after'), // matches 3 <img>
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boundsInfo: containerEl.querySelector('.bounds-info-after'),
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}, {
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path: this.getAttribute('data-path-before'),
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mime: this.getAttribute('data-mime-before'),
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$images: $container.find('img.image-before'), // matches 3 <img>
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boundsInfo: this.querySelector('.bounds-info-before'),
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path: containerEl.getAttribute('data-path-before'),
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mime: containerEl.getAttribute('data-mime-before'),
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images: containerEl.querySelectorAll('img.image-before'), // matches 3 <img>
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boundsInfo: containerEl.querySelector('.bounds-info-before'),
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}];
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await Promise.all(imageInfos.map(async (info) => {
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const [success] = await Promise.all(Array.from(info.$images, (img) => {
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const [success] = await Promise.all(Array.from(info.images, (img) => {
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return loadElem(img, info.path);
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}));
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// only the first images is associated with boundsInfo
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@ -98,174 +101,184 @@ export function initImageDiff() {
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const text = await resp.text();
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const bounds = getDefaultSvgBoundsIfUndefined(text, info.path);
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if (bounds) {
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info.$images.each(function() {
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this.setAttribute('width', bounds.width);
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this.setAttribute('height', bounds.height);
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});
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for (const el of info.images) {
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el.setAttribute('width', bounds.width);
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el.setAttribute('height', bounds.height);
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}
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hideElem(info.boundsInfo);
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}
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}
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}));
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const $imagesAfter = imageInfos[0].$images;
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const $imagesBefore = imageInfos[1].$images;
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const imagesAfter = imageInfos[0].images;
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const imagesBefore = imageInfos[1].images;
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initSideBySide(this, createContext($imagesAfter[0], $imagesBefore[0]));
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if ($imagesAfter.length > 0 && $imagesBefore.length > 0) {
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initSwipe(createContext($imagesAfter[1], $imagesBefore[1]));
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initOverlay(createContext($imagesAfter[2], $imagesBefore[2]));
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this.initSideBySide(createContext(imagesAfter[0], imagesBefore[0]));
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if (imagesAfter.length > 0 && imagesBefore.length > 0) {
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this.initSwipe(createContext(imagesAfter[1], imagesBefore[1]));
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this.initOverlay(createContext(imagesAfter[2], imagesBefore[2]));
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}
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queryElemChildren(containerEl, '.image-diff-tabs', (el) => el.classList.remove('is-loading'));
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}
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initSideBySide(sizes) {
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let factor = 1;
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if (sizes.maxSize.width > (this.diffContainerWidth - 24) / 2) {
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factor = (this.diffContainerWidth - 24) / 2 / sizes.maxSize.width;
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}
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queryElemChildren(this, '.image-diff-tabs', (el) => el.classList.remove('is-loading'));
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function initSideBySide(container, sizes) {
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let factor = 1;
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if (sizes.maxSize.width > (diffContainerWidth - 24) / 2) {
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factor = (diffContainerWidth - 24) / 2 / sizes.maxSize.width;
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const widthChanged = sizes.imageAfter && sizes.imageBefore && sizes.imageAfter.naturalWidth !== sizes.imageBefore.naturalWidth;
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const heightChanged = sizes.imageAfter && sizes.imageBefore && sizes.imageAfter.naturalHeight !== sizes.imageBefore.naturalHeight;
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if (sizes.imageAfter) {
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const boundsInfoAfterWidth = this.containerEl.querySelector('.bounds-info-after .bounds-info-width');
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if (boundsInfoAfterWidth) {
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boundsInfoAfterWidth.textContent = `${sizes.imageAfter.naturalWidth}px`;
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boundsInfoAfterWidth.classList.toggle('green', widthChanged);
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}
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const widthChanged = sizes.imageAfter && sizes.imageBefore && sizes.imageAfter.naturalWidth !== sizes.imageBefore.naturalWidth;
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const heightChanged = sizes.imageAfter && sizes.imageBefore && sizes.imageAfter.naturalHeight !== sizes.imageBefore.naturalHeight;
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if (sizes.imageAfter) {
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const boundsInfoAfterWidth = container.querySelector('.bounds-info-after .bounds-info-width');
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if (boundsInfoAfterWidth) {
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boundsInfoAfterWidth.textContent = `${sizes.imageAfter.naturalWidth}px`;
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boundsInfoAfterWidth.classList.toggle('green', widthChanged);
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}
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const boundsInfoAfterHeight = container.querySelector('.bounds-info-after .bounds-info-height');
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if (boundsInfoAfterHeight) {
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boundsInfoAfterHeight.textContent = `${sizes.imageAfter.naturalHeight}px`;
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boundsInfoAfterHeight.classList.toggle('green', heightChanged);
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}
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}
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if (sizes.imageBefore) {
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const boundsInfoBeforeWidth = container.querySelector('.bounds-info-before .bounds-info-width');
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if (boundsInfoBeforeWidth) {
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boundsInfoBeforeWidth.textContent = `${sizes.imageBefore.naturalWidth}px`;
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boundsInfoBeforeWidth.classList.toggle('red', widthChanged);
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}
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const boundsInfoBeforeHeight = container.querySelector('.bounds-info-before .bounds-info-height');
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if (boundsInfoBeforeHeight) {
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boundsInfoBeforeHeight.textContent = `${sizes.imageBefore.naturalHeight}px`;
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boundsInfoBeforeHeight.classList.add('red', heightChanged);
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}
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}
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if (sizes.imageAfter) {
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const container = sizes.imageAfter.parentNode;
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sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
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sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
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container.style.margin = '10px auto';
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container.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
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container.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
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}
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if (sizes.imageBefore) {
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const container = sizes.imageBefore.parentNode;
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sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
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sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
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container.style.margin = '10px auto';
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container.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
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container.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
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const boundsInfoAfterHeight = this.containerEl.querySelector('.bounds-info-after .bounds-info-height');
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if (boundsInfoAfterHeight) {
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boundsInfoAfterHeight.textContent = `${sizes.imageAfter.naturalHeight}px`;
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boundsInfoAfterHeight.classList.toggle('green', heightChanged);
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}
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}
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function initSwipe(sizes) {
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let factor = 1;
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if (sizes.maxSize.width > diffContainerWidth - 12) {
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factor = (diffContainerWidth - 12) / sizes.maxSize.width;
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if (sizes.imageBefore) {
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const boundsInfoBeforeWidth = this.containerEl.querySelector('.bounds-info-before .bounds-info-width');
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if (boundsInfoBeforeWidth) {
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boundsInfoBeforeWidth.textContent = `${sizes.imageBefore.naturalWidth}px`;
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boundsInfoBeforeWidth.classList.toggle('red', widthChanged);
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}
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if (sizes.imageAfter) {
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const container = sizes.imageAfter.parentNode;
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const swipeFrame = container.parentNode;
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sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
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sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
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container.style.margin = `0px ${sizes.ratio[0] * factor}px`;
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container.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
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container.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
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swipeFrame.style.padding = `${sizes.ratio[1] * factor}px 0 0 0`;
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swipeFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
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const boundsInfoBeforeHeight = this.containerEl.querySelector('.bounds-info-before .bounds-info-height');
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if (boundsInfoBeforeHeight) {
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boundsInfoBeforeHeight.textContent = `${sizes.imageBefore.naturalHeight}px`;
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boundsInfoBeforeHeight.classList.add('red', heightChanged);
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}
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if (sizes.imageBefore) {
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const container = sizes.imageBefore.parentNode;
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const swipeFrame = container.parentNode;
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sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
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sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
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container.style.margin = `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`;
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container.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
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container.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
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swipeFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
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swipeFrame.style.height = `${sizes.maxSize.height * factor + 2}px`;
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}
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// extra height for inner "position: absolute" elements
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const swipe = $container.find('.diff-swipe')[0];
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if (swipe) {
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swipe.style.width = `${sizes.maxSize.width * factor + 2}px`;
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swipe.style.height = `${sizes.maxSize.height * factor + 30}px`;
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}
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$container.find('.swipe-bar').on('mousedown', function(e) {
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e.preventDefault();
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const $swipeBar = $(this);
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const $swipeFrame = $swipeBar.parent();
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const width = $swipeFrame.width() - $swipeBar.width() - 2;
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$(document).on('mousemove.diff-swipe', (e2) => {
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e2.preventDefault();
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const value = Math.max(0, Math.min(e2.clientX - $swipeFrame.offset().left, width));
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$swipeBar[0].style.left = `${value}px`;
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$container.find('.swipe-container')[0].style.width = `${$swipeFrame.width() - value}px`;
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$(document).on('mouseup.diff-swipe', () => {
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$(document).off('.diff-swipe');
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});
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});
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});
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}
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function initOverlay(sizes) {
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let factor = 1;
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if (sizes.maxSize.width > diffContainerWidth - 12) {
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factor = (diffContainerWidth - 12) / sizes.maxSize.width;
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}
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if (sizes.imageAfter) {
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const container = sizes.imageAfter.parentNode;
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sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
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sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
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container.style.margin = `${sizes.ratio[1] * factor}px ${sizes.ratio[0] * factor}px`;
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container.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
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container.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
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}
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if (sizes.imageBefore) {
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const container = sizes.imageBefore.parentNode;
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const overlayFrame = container.parentNode;
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sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
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sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
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container.style.margin = `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`;
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container.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
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container.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
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// some inner elements are `position: absolute`, so the container's height must be large enough
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overlayFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
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overlayFrame.style.height = `${sizes.maxSize.height * factor + 2}px`;
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}
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const rangeInput = $container[0].querySelector('input[type="range"]');
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function updateOpacity() {
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if (sizes.imageAfter) {
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sizes.imageAfter.parentNode.style.opacity = `${rangeInput.value / 100}`;
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}
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}
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rangeInput?.addEventListener('input', updateOpacity);
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updateOpacity();
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if (sizes.imageAfter) {
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const container = sizes.imageAfter.parentNode;
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sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
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sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
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container.style.margin = '10px auto';
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container.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
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container.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
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}
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});
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if (sizes.imageBefore) {
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const container = sizes.imageBefore.parentNode;
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sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
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sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
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container.style.margin = '10px auto';
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container.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
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container.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
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}
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}
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initSwipe(sizes) {
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let factor = 1;
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if (sizes.maxSize.width > this.diffContainerWidth - 12) {
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factor = (this.diffContainerWidth - 12) / sizes.maxSize.width;
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}
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if (sizes.imageAfter) {
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const imgParent = sizes.imageAfter.parentNode;
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const swipeFrame = imgParent.parentNode;
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sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
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sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
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imgParent.style.margin = `0px ${sizes.ratio[0] * factor}px`;
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imgParent.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
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imgParent.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
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swipeFrame.style.padding = `${sizes.ratio[1] * factor}px 0 0 0`;
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swipeFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
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}
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if (sizes.imageBefore) {
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const imgParent = sizes.imageBefore.parentNode;
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const swipeFrame = imgParent.parentNode;
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sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
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sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
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imgParent.style.margin = `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`;
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imgParent.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
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imgParent.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
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swipeFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
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swipeFrame.style.height = `${sizes.maxSize.height * factor + 2}px`;
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}
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// extra height for inner "position: absolute" elements
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const swipe = this.containerEl.querySelector('.diff-swipe');
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if (swipe) {
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swipe.style.width = `${sizes.maxSize.width * factor + 2}px`;
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swipe.style.height = `${sizes.maxSize.height * factor + 30}px`;
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}
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this.containerEl.querySelector('.swipe-bar').addEventListener('mousedown', (e) => {
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e.preventDefault();
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this.initSwipeEventListeners(e.currentTarget);
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});
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}
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initSwipeEventListeners(swipeBar) {
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const swipeFrame = swipeBar.parentNode;
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const width = swipeFrame.clientWidth;
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const onSwipeMouseMove = (e) => {
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e.preventDefault();
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const rect = swipeFrame.getBoundingClientRect();
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const value = Math.max(0, Math.min(e.clientX - rect.left, width));
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swipeBar.style.left = `${value}px`;
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this.containerEl.querySelector('.swipe-container').style.width = `${swipeFrame.clientWidth - value}px`;
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};
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const removeEventListeners = () => {
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document.removeEventListener('mousemove', onSwipeMouseMove);
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document.removeEventListener('mouseup', removeEventListeners);
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};
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document.addEventListener('mousemove', onSwipeMouseMove);
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document.addEventListener('mouseup', removeEventListeners);
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}
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|
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initOverlay(sizes) {
|
||||
let factor = 1;
|
||||
if (sizes.maxSize.width > this.diffContainerWidth - 12) {
|
||||
factor = (this.diffContainerWidth - 12) / sizes.maxSize.width;
|
||||
}
|
||||
|
||||
if (sizes.imageAfter) {
|
||||
const container = sizes.imageAfter.parentNode;
|
||||
sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
|
||||
sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
|
||||
container.style.margin = `${sizes.ratio[1] * factor}px ${sizes.ratio[0] * factor}px`;
|
||||
container.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
|
||||
container.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
|
||||
}
|
||||
|
||||
if (sizes.imageBefore) {
|
||||
const container = sizes.imageBefore.parentNode;
|
||||
const overlayFrame = container.parentNode;
|
||||
sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
|
||||
sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
|
||||
container.style.margin = `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`;
|
||||
container.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
|
||||
container.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
|
||||
|
||||
// some inner elements are `position: absolute`, so the container's height must be large enough
|
||||
overlayFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
|
||||
overlayFrame.style.height = `${sizes.maxSize.height * factor + 2}px`;
|
||||
}
|
||||
|
||||
const rangeInput = this.containerEl.querySelector('input[type="range"]');
|
||||
|
||||
function updateOpacity() {
|
||||
if (sizes.imageAfter) {
|
||||
sizes.imageAfter.parentNode.style.opacity = `${rangeInput.value / 100}`;
|
||||
}
|
||||
}
|
||||
|
||||
rangeInput?.addEventListener('input', updateOpacity);
|
||||
updateOpacity();
|
||||
}
|
||||
}
|
||||
|
||||
export function initImageDiff() {
|
||||
for (const el of queryElems('.image-diff:not([data-image-diff-loaded])')) {
|
||||
(new ImageDiff()).init(el); // it is async, but we don't need to await for it
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue