Mirrors/Stirling-PDF
Mirrors/Stirling-PDF
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Felix Kaspar 2023-10-27 03:14:22 +02:00
parent dd14b3a773
commit 013a3f7e1b
3 changed files with 10 additions and 7 deletions
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3
functions.js
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@ -1,5 +1,6 @@
import PDFLib from 'pdf-lib'; import PDFLib from 'pdf-lib';
import PDFJS from "pdfjs-dist"; import PDFJS from "pdfjs-dist";
import jsQR from "jsqr";
delete global.crypto; // TODO: I hate to do this, but the new node version forces me to, if anyone finds a better solution, please tell me! delete global.crypto; // TODO: I hate to do this, but the new node version forces me to, if anyone finds a better solution, please tell me!
import * as pdfcpuWraopper from "./public/wasm/pdfcpu-wrapper-node.js"; import * as pdfcpuWraopper from "./public/wasm/pdfcpu-wrapper-node.js";
@ -58,5 +59,5 @@ export async function removeBlankPages(snapshot, whiteThreashold) {
} }
export async function splitOn(snapshot, type, whiteThreashold) { export async function splitOn(snapshot, type, whiteThreashold) {
return dependantSplitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PDFLib); return dependantSplitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PDFLib, jsQR);
} }

7
public/functions.js
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@ -1,7 +1,10 @@
// PDFLib gets importet via index.html script-tag // PDFLib gets importet via index.html script-tag
const OpenCV = { cv: cv } // OPENCV gets importet as cv via index.html script-tag
// PDFJS as pdfjsLib via index.html script-tag // PDFJS as pdfjsLib via index.html script-tag
// TODO: import jsQR
import * as pdfcpuWraopper from "./wasm/pdfcpu-wrapper-browser.js"; import * as pdfcpuWraopper from "./wasm/pdfcpu-wrapper-browser.js";
const OpenCV = { cv: cv } // OPENCV gets importet as cv via index.html script-tag
import { extractPages as dependantExtractPages } from "./functions/extractPages.js"; import { extractPages as dependantExtractPages } from "./functions/extractPages.js";
import { impose as dependantImpose } from './functions/impose.js'; import { impose as dependantImpose } from './functions/impose.js';
@ -56,5 +59,5 @@ export async function removeBlankPages(snapshot, whiteThreashold) {
} }
export async function splitOn(snapshot, type, whiteThreashold) { export async function splitOn(snapshot, type, whiteThreashold) {
return dependantSplitOn(snapshot, type, whiteThreashold, pdfjsLib, OpenCV, PDFLib); return dependantSplitOn(snapshot, type, whiteThreashold, pdfjsLib, OpenCV, PDFLib, jsQR);
} }

7
public/functions/splitOn.js
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@ -1,8 +1,6 @@
import { detectEmptyPages } from "./shared/detectEmptyPages.js"; import { detectEmptyPages } from "./shared/detectEmptyPages.js";
import { getImagesOnPage } from "./shared/getImagesOnPage.js"; import { getImagesOnPage } from "./shared/getImagesOnPage.js";
import jsQR from "jsQR";
/** /**
* @typedef {"BAR_CODE"|"QR_CODE"|"BLANK_PAGE"} SplitType * @typedef {"BAR_CODE"|"QR_CODE"|"BLANK_PAGE"} SplitType
*/ */
@ -16,7 +14,7 @@ import jsQR from "jsQR";
* @param {} PDFLib * @param {} PDFLib
* @returns * @returns
*/ */
export async function splitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PDFLib) { export async function splitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PDFLib, jsQR) {
let splitAtPages = []; let splitAtPages = [];
@ -70,7 +68,8 @@ export async function splitOn(snapshot, type, whiteThreashold, PDFJS, OpenCV, PD
async function checkForQROnImage(image) { async function checkForQROnImage(image) {
console.log(image.data, image.width, image.height, image.width * image.height * 4); console.log(image.data, image.width, image.height, image.width * image.height * 4);
// TODO: There is an issue with the jsQR package, and the package seems to be stale, we could create a fork and fix the issue (The package expects rgba but sometimes we have rgb). In the meanwhile we just force rgba: // TODO: There is an issue with the jsQR package (The package expects rgba but sometimes we have rgb), and the package seems to be stale, we could create a fork and fix the issue. In the meanwhile we just force rgba:
// Check for rgb and convert to rgba
if(image.data.length == image.width * image.height * 3) { if(image.data.length == image.width * image.height * 3) {
const tmpArray = new Uint8ClampedArray(image.width * image.height * 4); const tmpArray = new Uint8ClampedArray(image.width * image.height * 4);