1
0
mirror of https://github.com/laurent22/joplin.git synced 2024-12-24 10:27:10 +02:00

Clipper: Better handling of images when multiple images have the same source but with different dimensions

This commit is contained in:
Laurent Cozic 2019-07-16 21:47:44 +01:00
parent 38e8a881d5
commit 2361c5a5e7
3 changed files with 32 additions and 12 deletions

View File

@ -61,14 +61,19 @@
const output = {};
for (let i = 0; i < images.length; i++) {
const img = images[i];
if (img.classList && img.classList.contains('joplin-clipper-hidden')) continue;
let src = imageSrc(img);
src = forceAbsoluteUrls ? absoluteUrl(src) : src;
output[src] = {
if (!output[src]) output[src] = [];
output[src].push({
width: img.width,
height: img.height,
naturalWidth: img.naturalWidth,
naturalHeight: img.naturalHeight,
};
});
}
return output;
}
@ -98,17 +103,18 @@
// Cleans up element by removing all its invisible children (which we don't want to render as Markdown)
// And hard-code the image dimensions so that the information can be used by the clipper server to
// display them at the right sizes in the notes.
function cleanUpElement(element, imageSizes) {
function cleanUpElement(element, imageSizes, imageIndexes) {
const childNodes = element.childNodes;
const hiddenNodes = [];
for (let i = childNodes.length - 1; i >= 0; i--) {
for (let i = 0; i < childNodes.length; i++) {
const node = childNodes[i];
const nodeName = node.nodeName.toLowerCase();
const isHidden = node && node.classList && node.classList.contains('joplin-clipper-hidden');
if (isHidden) {
element.removeChild(node);
hiddenNodes.push(node);
} else {
// If the data-joplin-clipper-value has been set earlier, create a new DIV element
@ -123,16 +129,23 @@
if (nodeName === 'img') {
const src = absoluteUrl(imageSrc(node));
node.setAttribute('src', src);
const imageSize = imageSizes[src];
if (!(src in imageIndexes)) imageIndexes[src] = 0;
const imageSize = imageSizes[src][imageIndexes[src]];
imageIndexes[src]++;
if (imageSize) {
node.width = imageSize.width;
node.height = imageSize.height;
}
}
cleanUpElement(node, imageSizes);
cleanUpElement(node, imageSizes, imageIndexes);
}
}
for (const hiddenNode of hiddenNodes) {
if (!hiddenNode.parentNode) continue;
hiddenNode.parentNode.remove(hiddenNode);
}
}
// When we clone the document before cleaning it, we lose some of the information that might have been set via CSS or
@ -292,7 +305,8 @@
// directly on the document, so we make a copy of it first.
const cleanDocument = document.body.cloneNode(true);
const imageSizes = getImageSizes(document, true);
cleanUpElement(cleanDocument, imageSizes);
const imageIndexes = {};
cleanUpElement(cleanDocument, imageSizes, imageIndexes);
const stylesheets = command.preProcessFor === 'html' ? getStyleSheets(document) : null;
return clippedContentResponse(pageTitle(), cleanDocument.innerHTML, imageSizes, getAnchorNames(document), stylesheets);
@ -305,7 +319,8 @@
const container = document.createElement('div');
container.appendChild(range.cloneContents());
const imageSizes = getImageSizes(document, true);
cleanUpElement(container, imageSizes);
const imageIndexes = {};
cleanUpElement(container, imageSizes, imageIndexes);
return clippedContentResponse(pageTitle(), container.innerHTML, getImageSizes(document), getAnchorNames(document));
} else if (command.name === 'screenshot') {

View File

@ -30,7 +30,7 @@ class HtmlToHtml {
}
// We need this extra style so that the images don't overflow
const extraStyle = '<style>img {max-width: 100%;height: auto;}</style>'
const extraStyle = ''; //<style>img {max-width: 100%;height: auto;}</style>'
return {
html: extraStyle + htmlUtils.headAndBodyHtml(dom.window.document),

View File

@ -15,6 +15,7 @@ const md5 = require('md5');
const { shim } = require('lib/shim');
const HtmlToMd = require('lib/HtmlToMd');
const urlUtils = require('lib/urlUtils.js');
const ArrayUtils = require('lib/ArrayUtils.js');
const { netUtils } = require('lib/net-utils');
const { fileExtension, safeFileExtension, safeFilename, filename } = require('lib/path-utils');
const ApiResponse = require('lib/services/rest/ApiResponse');
@ -371,7 +372,7 @@ class Api {
let note = await this.requestNoteToNote_(requestNote);
const imageUrls = markupLanguageUtils.extractImageUrls(note.markup_language, note.body);
const imageUrls = ArrayUtils.unique(markupLanguageUtils.extractImageUrls(note.markup_language, note.body));
this.logger().info('Request (' + requestId + '): Downloading images: ' + imageUrls.length);
@ -618,6 +619,8 @@ class Api {
}
replaceImageUrlsByResources_(markupLanguage, md, urls, imageSizes) {
const imageSizesIndexes = {};
if (markupLanguage === Note.MARKUP_LANGUAGE_HTML) {
return htmlUtils.replaceImageUrls(md, imageUrl => {
const urlInfo = urls[imageUrl];
@ -628,7 +631,9 @@ class Api {
let output = md.replace(/(!\[.*?\]\()([^\s\)]+)(.*?\))/g, (match, before, imageUrl, after) => {
const urlInfo = urls[imageUrl];
if (!urlInfo || !urlInfo.resource) return before + imageUrl + after;
const imageSize = imageSizes[urlInfo.originalUrl];
if (!(urlInfo.originalUrl in imageSizesIndexes)) imageSizesIndexes[urlInfo.originalUrl] = 0;
const imageSize = imageSizes[urlInfo.originalUrl][imageSizesIndexes[urlInfo.originalUrl]];
imageSizesIndexes[urlInfo.originalUrl]++;
const resourceUrl = Resource.internalUrl(urlInfo.resource);
if (imageSize && (imageSize.naturalWidth !== imageSize.width || imageSize.naturalHeight !== imageSize.height)) {