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squash: feat: Create fillable PDF forms

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This commit is contained in:
abdullahalam123
2025-11-24 21:16:23 +05:30
parent 1e8866018d
commit 95927cd899
45 changed files with 3595 additions and 356 deletions
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11
src/js/logic/pdf-to-greyscale.ts
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@@ -1,9 +1,11 @@
import { showLoader, hideLoader, showAlert } from '../ui.js';
import { downloadFile } from '../utils/helpers.js';
import { downloadFile, getPDFDocument } from '../utils/helpers.js';
import { state } from '../state.js';
import * as pdfjsLib from 'pdfjs-dist';
import { PDFDocument as PDFLibDocument } from 'pdf-lib';
pdfjsLib.GlobalWorkerOptions.workerSrc = new URL('pdfjs-dist/build/pdf.worker.min.mjs', import.meta.url).toString();
export async function pdfToGreyscale() {
if (!state.pdfDoc) {
showAlert('Error', 'PDF not loaded.');
@@ -13,8 +15,7 @@ export async function pdfToGreyscale() {
try {
const newPdfDoc = await PDFLibDocument.create();
const pdfBytes = await state.pdfDoc.save();
// @ts-expect-error TS(2304) FIXME: Cannot find name 'pdfjsLib'.
const pdfjsDoc = await pdfjsLib.getDocument({ data: pdfBytes }).promise;
const pdfjsDoc = await getPDFDocument({ data: pdfBytes }).promise;
for (let i = 1; i <= pdfjsDoc.numPages; i++) {
const page = await pdfjsDoc.getPage(i);
@@ -24,7 +25,7 @@ export async function pdfToGreyscale() {
canvas.height = viewport.height;
const ctx = canvas.getContext('2d');
await page.render({ canvasContext: ctx, viewport }).promise;
await page.render({ canvasContext: ctx, viewport, canvas }).promise;
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
const data = imageData.data;