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Fix SVG size calulation, only use style attribute (#36133)
Fixes: https://github.com/go-gitea/gitea/issues/35863 The old code had a conflict between using HTML attributes vs. style properties where the style was overriding the previously set HTML attributes: ```html <img width="300" height="277.02439470988946" style="width: 275px; height: 0px;"> ``` I made it so in all cases only `style` properties are used and the previous width/height values are now set via `style`. Also I did a number of much-needed typescript improvements to the file. --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
silverwind
@@ -39,6 +39,8 @@
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--gap-inline: 0.25rem; /* gap for inline texts and elements, for example: the spaces for sentence with labels, button text, etc */
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--gap-block: 0.5rem; /* gap for element blocks, for example: spaces between buttons, menu image & title, header icon & title etc */
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--background-view-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAG0lEQVQYlWN4+vTpf3SMDTAMBYXYBLFpHgoKAeiOf0SGE9kbAAAAAElFTkSuQmCC") right bottom var(--color-primary-light-7);
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}
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@media (min-width: 768px) and (max-width: 1200px) {
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@@ -13,7 +13,7 @@
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.image-diff-container img {
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border: 1px solid var(--color-primary-light-7);
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background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAAG0lEQVQYlWN4+vTpf3SMDTAMBYXYBLFpHgoKAeiOf0SGE9kbAAAAAElFTkSuQmCC") right bottom var(--color-primary-light-7);
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background: var(--background-view-image);
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}
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.image-diff-container .before-container {
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@@ -81,6 +81,7 @@
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.view-raw img[src$=".svg" i] {
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max-height: 600px !important;
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max-width: 600px !important;
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background: var(--background-view-image);
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}
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.file-view-render-container {
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@@ -3,7 +3,33 @@ import {hideElem, loadElem, queryElemChildren, queryElems} from '../utils/dom.ts
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import {parseDom} from '../utils.ts';
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import {fomanticQuery} from '../modules/fomantic/base.ts';
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function getDefaultSvgBoundsIfUndefined(text: string, src: string) {
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type ImageContext = {
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imageBefore: HTMLImageElement | undefined,
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imageAfter: HTMLImageElement | undefined,
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sizeBefore: {width: number, height: number},
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sizeAfter: {width: number, height: number},
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maxSize: {width: number, height: number},
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ratio: [number, number, number, number],
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};
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type ImageInfo = {
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path: string | null,
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mime: string | null,
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images: NodeListOf<HTMLImageElement>,
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boundsInfo: HTMLElement | null,
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};
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type Bounds = {
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width: number,
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height: number,
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} | null;
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type SvgBoundsInfo = {
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before: Bounds,
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after: Bounds,
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};
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function getDefaultSvgBoundsIfUndefined(text: string, src: string): Bounds | null {
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const defaultSize = 300;
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const maxSize = 99999;
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@@ -38,14 +64,14 @@ function getDefaultSvgBoundsIfUndefined(text: string, src: string) {
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return null;
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}
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function createContext(imageAfter: HTMLImageElement, imageBefore: HTMLImageElement) {
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function createContext(imageAfter: HTMLImageElement, imageBefore: HTMLImageElement, svgBoundsInfo: SvgBoundsInfo): ImageContext {
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const sizeAfter = {
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width: imageAfter?.width || 0,
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height: imageAfter?.height || 0,
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width: svgBoundsInfo.after?.width || imageAfter?.width || 0,
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height: svgBoundsInfo.after?.height || imageAfter?.height || 0,
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};
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const sizeBefore = {
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width: imageBefore?.width || 0,
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height: imageBefore?.height || 0,
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width: svgBoundsInfo.before?.width || imageBefore?.width || 0,
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height: svgBoundsInfo.before?.height || imageBefore?.height || 0,
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};
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const maxSize = {
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width: Math.max(sizeBefore.width, sizeAfter.width),
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@@ -80,7 +106,7 @@ class ImageDiff {
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// the container may be hidden by "viewed" checkbox, so use the parent's width for reference
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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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const imagePair: [ImageInfo, ImageInfo] = [{
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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<HTMLImageElement>('img.image-after'), // matches 3 <img>
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@@ -92,7 +118,8 @@ class ImageDiff {
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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 svgBoundsInfo: SvgBoundsInfo = {before: null, after: null};
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await Promise.all(imagePair.map(async (info, index) => {
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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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@@ -102,115 +129,112 @@ class ImageDiff {
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const resp = await GET(info.path!);
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const text = await resp.text();
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const bounds = getDefaultSvgBoundsIfUndefined(text, info.path!);
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svgBoundsInfo[index === 0 ? 'after' : 'before'] = bounds;
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if (bounds) {
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for (const el of info.images) {
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el.setAttribute('width', String(bounds.width));
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el.setAttribute('height', String(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 = imagePair[0].images;
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const imagesBefore = imagePair[1].images;
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this.initSideBySide(createContext(imagesAfter[0], imagesBefore[0]));
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this.initSideBySide(createContext(imagesAfter[0], imagesBefore[0], svgBoundsInfo));
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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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this.initSwipe(createContext(imagesAfter[1], imagesBefore[1], svgBoundsInfo));
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this.initOverlay(createContext(imagesAfter[2], imagesBefore[2], svgBoundsInfo));
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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: Record<string, any>) {
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initSideBySide(ctx: ImageContext) {
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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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if (ctx.maxSize.width > (this.diffContainerWidth - 24) / 2) {
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factor = (this.diffContainerWidth - 24) / 2 / ctx.maxSize.width;
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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 widthChanged = ctx.imageAfter && ctx.imageBefore && ctx.imageAfter.naturalWidth !== ctx.imageBefore.naturalWidth;
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const heightChanged = ctx.imageAfter && ctx.imageBefore && ctx.imageAfter.naturalHeight !== ctx.imageBefore.naturalHeight;
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if (ctx.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.textContent = `${ctx.imageAfter.naturalWidth}px`;
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boundsInfoAfterWidth.classList.toggle('green', widthChanged);
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}
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const boundsInfoAfterHeight = this.containerEl.querySelector('.bounds-info-after .bounds-info-height');
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if (boundsInfoAfterHeight) {
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boundsInfoAfterHeight.textContent = `${sizes.imageAfter.naturalHeight}px`;
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boundsInfoAfterHeight.textContent = `${ctx.imageAfter.naturalHeight}px`;
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boundsInfoAfterHeight.classList.toggle('green', heightChanged);
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}
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}
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if (sizes.imageBefore) {
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if (ctx.imageBefore) {
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const boundsInfoBeforeWidth = this.containerEl.querySelector('.bounds-info-before .bounds-info-width');
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if (boundsInfoBeforeWidth) {
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boundsInfoBeforeWidth.textContent = `${sizes.imageBefore.naturalWidth}px`;
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boundsInfoBeforeWidth.textContent = `${ctx.imageBefore.naturalWidth}px`;
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boundsInfoBeforeWidth.classList.toggle('red', widthChanged);
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}
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const boundsInfoBeforeHeight = this.containerEl.querySelector('.bounds-info-before .bounds-info-height');
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if (boundsInfoBeforeHeight) {
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boundsInfoBeforeHeight.textContent = `${sizes.imageBefore.naturalHeight}px`;
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boundsInfoBeforeHeight.textContent = `${ctx.imageBefore.naturalHeight}px`;
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boundsInfoBeforeHeight.classList.toggle('red', heightChanged);
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}
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}
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if (sizes.imageAfter) {
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const container = sizes.imageAfter.parentNode;
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sizes.imageAfter.style.width = `${sizes.sizeAfter.width * factor}px`;
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sizes.imageAfter.style.height = `${sizes.sizeAfter.height * factor}px`;
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if (ctx.imageAfter) {
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const container = ctx.imageAfter.parentNode as HTMLElement;
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ctx.imageAfter.style.width = `${ctx.sizeAfter.width * factor}px`;
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ctx.imageAfter.style.height = `${ctx.sizeAfter.height * factor}px`;
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container.style.margin = '10px auto';
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container.style.width = `${sizes.sizeAfter.width * factor + 2}px`;
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container.style.height = `${sizes.sizeAfter.height * factor + 2}px`;
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container.style.width = `${ctx.sizeAfter.width * factor + 2}px`;
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container.style.height = `${ctx.sizeAfter.height * factor + 2}px`;
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}
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if (sizes.imageBefore) {
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const container = sizes.imageBefore.parentNode;
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sizes.imageBefore.style.width = `${sizes.sizeBefore.width * factor}px`;
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sizes.imageBefore.style.height = `${sizes.sizeBefore.height * factor}px`;
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if (ctx.imageBefore) {
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const container = ctx.imageBefore.parentNode as HTMLElement;
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ctx.imageBefore.style.width = `${ctx.sizeBefore.width * factor}px`;
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ctx.imageBefore.style.height = `${ctx.sizeBefore.height * factor}px`;
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container.style.margin = '10px auto';
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container.style.width = `${sizes.sizeBefore.width * factor + 2}px`;
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container.style.height = `${sizes.sizeBefore.height * factor + 2}px`;
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container.style.width = `${ctx.sizeBefore.width * factor + 2}px`;
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container.style.height = `${ctx.sizeBefore.height * factor + 2}px`;
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}
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}
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initSwipe(sizes: Record<string, any>) {
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initSwipe(ctx: ImageContext) {
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let factor = 1;
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if (sizes.maxSize.width > this.diffContainerWidth - 12) {
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factor = (this.diffContainerWidth - 12) / sizes.maxSize.width;
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if (ctx.maxSize.width > this.diffContainerWidth - 12) {
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factor = (this.diffContainerWidth - 12) / ctx.maxSize.width;
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}
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if (sizes.imageAfter) {
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const imgParent = sizes.imageAfter.parentNode;
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const swipeFrame = imgParent.parentNode;
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sizes.imageAfter.style.width = `${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 = `${sizes.maxSize.width * factor + 2}px`;
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if (ctx.imageAfter) {
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const imgParent = ctx.imageAfter.parentNode as HTMLElement;
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const swipeFrame = imgParent.parentNode as HTMLElement;
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ctx.imageAfter.style.width = `${ctx.sizeAfter.width * factor}px`;
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ctx.imageAfter.style.height = `${ctx.sizeAfter.height * factor}px`;
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imgParent.style.margin = `0px ${ctx.ratio[0] * factor}px`;
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imgParent.style.width = `${ctx.sizeAfter.width * factor + 2}px`;
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imgParent.style.height = `${ctx.sizeAfter.height * factor + 2}px`;
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swipeFrame.style.padding = `${ctx.ratio[1] * factor}px 0 0 0`;
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swipeFrame.style.width = `${ctx.maxSize.width * factor + 2}px`;
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}
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if (sizes.imageBefore) {
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const imgParent = sizes.imageBefore.parentNode;
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const swipeFrame = imgParent.parentNode;
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sizes.imageBefore.style.width = `${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 = `${sizes.maxSize.height * factor + 2}px`;
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if (ctx.imageBefore) {
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const imgParent = ctx.imageBefore.parentNode as HTMLElement;
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const swipeFrame = imgParent.parentNode as HTMLElement;
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ctx.imageBefore.style.width = `${ctx.sizeBefore.width * factor}px`;
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ctx.imageBefore.style.height = `${ctx.sizeBefore.height * factor}px`;
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imgParent.style.margin = `${ctx.ratio[3] * factor}px ${ctx.ratio[2] * factor}px`;
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imgParent.style.width = `${ctx.sizeBefore.width * factor + 2}px`;
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imgParent.style.height = `${ctx.sizeBefore.height * factor + 2}px`;
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swipeFrame.style.width = `${ctx.maxSize.width * factor + 2}px`;
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swipeFrame.style.height = `${ctx.maxSize.height * factor + 2}px`;
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}
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// extra height for inner "position: absolute" elements
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const swipe = this.containerEl.querySelector<HTMLElement>('.diff-swipe');
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if (swipe) {
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swipe.style.width = `${sizes.maxSize.width * factor + 2}px`;
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swipe.style.height = `${sizes.maxSize.height * factor + 30}px`;
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swipe.style.width = `${ctx.maxSize.width * factor + 2}px`;
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swipe.style.height = `${ctx.maxSize.height * factor + 30}px`;
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}
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this.containerEl.querySelector('.swipe-bar')!.addEventListener('mousedown', (e) => {
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@@ -237,40 +261,40 @@ class ImageDiff {
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document.addEventListener('mouseup', removeEventListeners);
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}
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initOverlay(sizes: Record<string, any>) {
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initOverlay(ctx: ImageContext) {
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let factor = 1;
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if (sizes.maxSize.width > this.diffContainerWidth - 12) {
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factor = (this.diffContainerWidth - 12) / sizes.maxSize.width;
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if (ctx.maxSize.width > this.diffContainerWidth - 12) {
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factor = (this.diffContainerWidth - 12) / ctx.maxSize.width;
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}
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if (sizes.imageAfter) {
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const container = sizes.imageAfter.parentNode;
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sizes.imageAfter.style.width = `${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 = `${sizes.sizeAfter.height * factor + 2}px`;
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if (ctx.imageAfter) {
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const container = ctx.imageAfter.parentNode as HTMLElement;
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ctx.imageAfter.style.width = `${ctx.sizeAfter.width * factor}px`;
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ctx.imageAfter.style.height = `${ctx.sizeAfter.height * factor}px`;
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container.style.margin = `${ctx.ratio[1] * factor}px ${ctx.ratio[0] * factor}px`;
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container.style.width = `${ctx.sizeAfter.width * factor + 2}px`;
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container.style.height = `${ctx.sizeAfter.height * factor + 2}px`;
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}
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if (sizes.imageBefore) {
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const container = sizes.imageBefore.parentNode;
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const overlayFrame = container.parentNode;
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sizes.imageBefore.style.width = `${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 = `${sizes.sizeBefore.height * factor + 2}px`;
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if (ctx.imageBefore) {
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const container = ctx.imageBefore.parentNode as HTMLElement;
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const overlayFrame = container.parentNode as HTMLElement;
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ctx.imageBefore.style.width = `${ctx.sizeBefore.width * factor}px`;
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ctx.imageBefore.style.height = `${ctx.sizeBefore.height * factor}px`;
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container.style.margin = `${ctx.ratio[3] * factor}px ${ctx.ratio[2] * factor}px`;
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container.style.width = `${ctx.sizeBefore.width * factor + 2}px`;
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container.style.height = `${ctx.sizeBefore.height * factor + 2}px`;
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// some inner elements are `position: absolute`, so the container's height must be large enough
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overlayFrame.style.width = `${sizes.maxSize.width * factor + 2}px`;
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overlayFrame.style.height = `${sizes.maxSize.height * factor + 2}px`;
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overlayFrame.style.width = `${ctx.maxSize.width * factor + 2}px`;
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overlayFrame.style.height = `${ctx.maxSize.height * factor + 2}px`;
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}
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const rangeInput = this.containerEl.querySelector<HTMLInputElement>('input[type="range"]')!;
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function updateOpacity() {
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if (sizes.imageAfter) {
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sizes.imageAfter.parentNode.style.opacity = `${Number(rangeInput.value) / 100}`;
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if (ctx.imageAfter) {
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(ctx.imageAfter.parentNode as HTMLElement).style.opacity = `${Number(rangeInput.value) / 100}`;
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}
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}
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