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Split On QR Code

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This commit is contained in:
Felix Kaspar
2023-10-28 19:30:12 +02:00
parent 013a3f7e1b
commit f7e5fd3aef
3 changed files with 47 additions and 13 deletions
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33
public/functions/splitOn.js
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@@ -1,5 +1,6 @@
import { detectEmptyPages } from "./shared/detectEmptyPages.js";
import { getImagesOnPage } from "./shared/getImagesOnPage.js";
import { createSubDocument } from "./shared/createSubDocument.js";
/**
* @typedef {"BAR_CODE"|"QR_CODE"|"BLANK_PAGE"} SplitType
@@ -39,18 +40,42 @@ export async function splitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PD
console.log("Split At Pages: ", splitAtPages);
// Remove detected Pages & Split
const pdfDoc = await PDFLib.PDFDocument.load(snapshot);
// TODO: Remove detected Pages & Split
const numberOfPages = pdfDoc.getPages().length;
return pdfDoc.save();
let pagesArray = [];
let splitAfter = splitAtPages.shift();
const subDocuments = [];
for (let i = 0; i < numberOfPages; i++) {
console.log(i);
if(i == splitAfter) {
if(pagesArray.length > 0) {
subDocuments.push(await createSubDocument(pdfDoc, pagesArray, PDFLib));
pagesArray = [];
}
splitAfter = splitAtPages.shift();
}
else { // Skip splitAtPage
console.log("PagesArray")
pagesArray.push(i);
}
}
if(pagesArray.length > 0) {
subDocuments.push(await createSubDocument(pdfDoc, pagesArray, PDFLib));
}
pagesArray = [];
return subDocuments;
async function getPagesWithQRCode(snapshot) {
const pdfDoc = await PDFJS.getDocument(snapshot).promise;
const pagesWithQR = [];
for (let i = 1; i <= pdfDoc.numPages; i++) {
const page = await pdfDoc.getPage(i);
for (let i = 0; i < pdfDoc.numPages; i++) {
const page = await pdfDoc.getPage(i + 1);
console.log("Checking page " + i);
const images = await getImagesOnPage(page, PDFJS);