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https://gitee.com/gitea/gitea
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Add Image Diff options in Pull Request Diff view (#14450)
Implemented GitHub style image diff
This commit is contained in:
KN4CK3R
206
web_src/js/features/imagediff.js
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206
web_src/js/features/imagediff.js
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@@ -0,0 +1,206 @@
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export default async function initImageDiff() {
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function createContext(image1, image2) {
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const size1 = {
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width: image1 && image1.width || 0,
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height: image1 && image1.height || 0
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};
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const size2 = {
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width: image2 && image2.width || 0,
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height: image2 && image2.height || 0
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};
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const max = {
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width: Math.max(size2.width, size1.width),
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height: Math.max(size2.height, size1.height)
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};
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return {
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image1: $(image1),
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image2: $(image2),
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size1,
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size2,
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max,
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ratio: [
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Math.floor(max.width - size1.width) / 2,
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Math.floor(max.height - size1.height) / 2,
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Math.floor(max.width - size2.width) / 2,
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Math.floor(max.height - size2.height) / 2
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]
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};
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}
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$('.image-diff').each(function() {
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const $container = $(this);
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const pathAfter = $container.data('path-after');
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const pathBefore = $container.data('path-before');
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const imageInfos = [{
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loaded: false,
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path: pathAfter,
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$image: $container.find('img.image-after')
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}, {
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loaded: false,
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path: pathBefore,
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$image: $container.find('img.image-before')
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}];
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for (const info of imageInfos) {
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if (info.$image.length > 0) {
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info.$image.on('load', () => {
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info.loaded = true;
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setReadyIfLoaded();
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});
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info.$image.attr('src', info.path);
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} else {
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info.loaded = true;
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setReadyIfLoaded();
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}
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}
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const diffContainerWidth = $container.width() - 300;
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function setReadyIfLoaded() {
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if (imageInfos[0].loaded && imageInfos[1].loaded) {
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initViews(imageInfos[0].$image, imageInfos[1].$image);
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}
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}
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function initViews($imageAfter, $imageBefore) {
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initSideBySide(createContext($imageAfter[0], $imageBefore[0]));
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if ($imageAfter.length > 0 && $imageBefore.length > 0) {
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initSwipe(createContext($imageAfter[1], $imageBefore[1]));
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initOverlay(createContext($imageAfter[2], $imageBefore[2]));
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}
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$container.find('> .loader').hide();
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$container.find('> .hide').removeClass('hide');
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}
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function initSideBySide(sizes) {
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let factor = 1;
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if (sizes.max.width > (diffContainerWidth - 24) / 2) {
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factor = (diffContainerWidth - 24) / 2 / sizes.max.width;
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}
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sizes.image1.css({
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width: sizes.size1.width * factor,
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height: sizes.size1.height * factor
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});
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sizes.image1.parent().css({
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margin: `${sizes.ratio[1] * factor + 15}px ${sizes.ratio[0] * factor}px ${sizes.ratio[1] * factor}px`,
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width: sizes.size1.width * factor + 2,
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height: sizes.size1.height * factor + 2
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});
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sizes.image2.css({
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width: sizes.size2.width * factor,
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height: sizes.size2.height * factor
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});
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sizes.image2.parent().css({
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margin: `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`,
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width: sizes.size2.width * factor + 2,
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height: sizes.size2.height * factor + 2
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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.max.width > diffContainerWidth - 12) {
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factor = (diffContainerWidth - 12) / sizes.max.width;
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}
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sizes.image1.css({
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width: sizes.size1.width * factor,
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height: sizes.size1.height * factor
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});
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sizes.image1.parent().css({
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margin: `0px ${sizes.ratio[0] * factor}px`,
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width: sizes.size1.width * factor + 2,
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height: sizes.size1.height * factor + 2
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});
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sizes.image1.parent().parent().css({
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padding: `${sizes.ratio[1] * factor}px 0 0 0`,
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width: sizes.max.width * factor + 2
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});
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sizes.image2.css({
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width: sizes.size2.width * factor,
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height: sizes.size2.height * factor
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});
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sizes.image2.parent().css({
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margin: `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`,
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width: sizes.size2.width * factor + 2,
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height: sizes.size2.height * factor + 2
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});
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sizes.image2.parent().parent().css({
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width: sizes.max.width * factor + 2,
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height: sizes.max.height * factor + 2
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});
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$container.find('.diff-swipe').css({
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width: sizes.max.width * factor + 2,
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height: sizes.max.height * factor + 4
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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.css({
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left: value
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});
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$container.find('.swipe-container').css({
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width: $swipeFrame.width() - value
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});
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$(document).on('mouseup.diff-swipe', () => {
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$(document).off('.diff-swipe');
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});
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});
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});
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}
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function initOverlay(sizes) {
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let factor = 1;
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if (sizes.max.width > diffContainerWidth - 12) {
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factor = (diffContainerWidth - 12) / sizes.max.width;
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}
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sizes.image1.css({
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width: sizes.size1.width * factor,
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height: sizes.size1.height * factor
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});
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sizes.image2.css({
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width: sizes.size2.width * factor,
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height: sizes.size2.height * factor
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});
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sizes.image1.parent().css({
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margin: `${sizes.ratio[1] * factor}px ${sizes.ratio[0] * factor}px`,
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width: sizes.size1.width * factor + 2,
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height: sizes.size1.height * factor + 2
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});
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sizes.image2.parent().css({
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margin: `${sizes.ratio[3] * factor}px ${sizes.ratio[2] * factor}px`,
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width: sizes.size2.width * factor + 2,
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height: sizes.size2.height * factor + 2
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});
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sizes.image2.parent().parent().css({
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width: sizes.max.width * factor + 2,
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height: sizes.max.height * factor + 2
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});
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$container.find('.onion-skin').css({
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width: sizes.max.width * factor + 2,
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height: sizes.max.height * factor + 4
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});
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const $range = $container.find("input[type='range'");
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const onInput = () => sizes.image1.parent().css({
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opacity: $range.val() / 100
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});
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$range.on('input', onInput);
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onInput();
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}
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});
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}
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@@ -20,6 +20,7 @@ import attachTribute from './features/tribute.js';
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import createColorPicker from './features/colorpicker.js';
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import createDropzone from './features/dropzone.js';
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import initTableSort from './features/tablesort.js';
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import initImageDiff from './features/imagediff.js';
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import ActivityTopAuthors from './components/ActivityTopAuthors.vue';
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import {initNotificationsTable, initNotificationCount} from './features/notification.js';
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import {initStopwatch} from './features/stopwatch.js';
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@@ -2693,6 +2694,7 @@ $(document).ready(async () => {
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initStopwatch(),
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renderMarkdownContent(),
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initGithook(),
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initImageDiff(),
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]);
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});
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105
web_src/less/features/imagediff.less
Normal file
105
web_src/less/features/imagediff.less
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@@ -0,0 +1,105 @@
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.image-diff-container {
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text-align: center;
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padding: 30px 0;
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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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}
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.before-container {
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border: 1px solid var(--color-red);
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display: block;
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}
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.after-container {
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border: 1px solid var(--color-green);
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display: block;
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}
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.diff-side-by-side {
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.side {
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display: inline-block;
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line-height: 0;
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vertical-align: top;
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.side-header {
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font-weight: bold;
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}
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}
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}
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.diff-swipe {
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margin: auto;
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.swipe-frame {
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position: absolute;
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.before-container {
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position: absolute;
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}
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.swipe-container {
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position: absolute;
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right: 0;
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display: block;
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border-left: 2px solid var(--color-secondary-dark-8);
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height: 100%;
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overflow: hidden;
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.after-container {
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position: absolute;
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right: 0;
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}
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}
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.swipe-bar {
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z-index: 100;
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position: absolute;
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height: 100%;
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top: 0;
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left: 0;
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.handle {
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background: var(--color-secondary-dark-8);
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left: -5px;
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height: 12px;
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width: 12px;
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position: absolute;
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transform: rotate(45deg);
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box-sizing: border-box;
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display: flex;
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justify-content: center;
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align-items: center;
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cursor: pointer;
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}
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.top-handle {
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top: -12px;
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}
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.bottom-handle {
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bottom: -14px;
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}
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}
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}
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}
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.diff-overlay {
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margin: 0 auto;
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.overlay-frame {
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margin: 0 auto;
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position: relative;
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}
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.before-container,
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.after-container {
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position: absolute;
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}
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input {
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width: 300px;
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}
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}
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}
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@@ -5,6 +5,7 @@
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@import "./features/gitgraph.less";
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@import "./features/animations.less";
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@import "./features/heatmap.less";
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@import "./features/imagediff.less";
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@import "./markdown/mermaid.less";
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@import "./chroma/base.less";
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