Skip to main content

JavaScript to get the coordinates of a specific string within an PDF file

Is there a JavaScript solution allowing me to get the x- and y-coordinates as well as the width and the height of a specific string within a PDF file? PDF.JS can extract text chunks out of a PDF file and give the x- and y-coordinates as well as the width and the height of those chunks. But I have no influence on how these text chunks are grouped together (from single characters to larger pieces of several words) and I don't know how to address the coordinates of parts of such a chunk.

This means that if a PDF file contains "Hello world!", I would like to be able to know the x-coordinate of where "Hello" ends or where "world" starts.

Is there any way more comfortable than trying to calculate this via the width of the single characters of the given font? In Java, PDFBox allows to do so (see How to search some specific string or a word and there coordinates from a pdf document in java), but I haven't found anything comparable in JavaScript.

The reason I'm trying to do this is that I want to search for a specific text in the PDF file and find out its coordinates in order to do something with it, like drawing a rectangle around it to highlight it. Any advice on how to achieve this would be very welcome. Thank you!

Via Active questions tagged javascript - Stack Overflow https://ift.tt/2FdjaAW
Labels:

Comments

Post a Comment

Popular posts from this blog

Prop `className` did not match in next js app

I have written a sample code ( Github Link here ). this is a simple next js app, but giving me error when I refresh the page. This seems to be the common problem and I tried the fix provided in the internet but does not seem to fix my issue. The error is Warning: Prop className did not match. Server: "MuiBox-root MuiBox-root-1" Client: "MuiBox-root MuiBox-root-2". Did changes for _document.js, modified _app.js as mentioned in official website and solutions in stackoverflow. but nothing seems to work. Could someone take a look and help me whats wrong with the code? Via Active questions tagged javascript - Stack Overflow https://ift.tt/2FdjaAW
Post a Comment
Read more

How to show number of registered users in Laravel based on usertype?

i'm trying to display data from the database in the admin dashboard i used this: <?php use Illuminate\Support\Facades\DB; $users = DB::table('users')->count(); echo $users; ?> and i have successfully get the correct data from the database but what if i want to display a specific data for example in this user table there is "usertype" that specify if the user is normal user or admin i want to user the same code above but to display a specific usertype i tried this: <?php use Illuminate\Support\Facades\DB; $users = DB::table('users')->count()->WHERE usertype =admin; echo $users; ?> but it didn't work, what am i doing wrong? source https://stackoverflow.com/questions/68199726/how-to-show-number-of-registered-users-in-laravel-based-on-usertype
Post a Comment
Read more

Why is my reports service not connecting?

I am trying to pull some data from a Postgres database using Node.js and node-postures but I can't figure out why my service isn't connecting. my routes/index.js file: const express = require('express'); const router = express.Router(); const ordersCountController = require('../controllers/ordersCountController'); const ordersController = require('../controllers/ordersController'); const weeklyReportsController = require('../controllers/weeklyReportsController'); router.get('/orders_count', ordersCountController); router.get('/orders', ordersController); router.get('/weekly_reports', weeklyReportsController); module.exports = router; My controllers/weeklyReportsController.js file: const weeklyReportsService = require('../services/weeklyReportsService'); const weeklyReportsController = async (req, res) => { try { const data = await weeklyReportsService; res.json({data}) console
Post a Comment
Read more