@aaqu/node-red-aaqu-pdf 0.4.4
node-red pdf creator
Important Information
Your support in the ongoing development of this library would be sincerely appreciated. 🙂
The library requires testing and monitoring of RAM usage.
@aaqu/node-red-aaqu-pdf
A Node-RED node for operating on a PDF document.
This module provides a custom Node-RED node that:
- get single page from pdf
- display single page in flow
Get single page form pdf (file, http)
Display page in flow - need node-red-contrib-image-tools -> viewer
Create empty PDF and draw text
Features
- Create empty PDF and draw text
- Select a single page from pdf to buffer
- Convert PDF page buffer to base64 image
Installation
Run the following command inside your Node-RED user directory (typically ~/.node-red):
npm install @aaqu/node-red-aaqu-pdf
Then restart Node-RED and the new node will appear in the editor palette.
Nodes usage
pdf get page
- msg.payload - pdf buffer
- msg.pdfPage – optional runtime override for the page number (starting at
1).
pdf multi page buffer → [pdf get page] → pdf single page buffer
where:
- pdf multi page buffer input multi page buffer.
- pdf get page extracts the configured page (or the page defined in
msg.pdfPage) default page no 1. - pdf single page buffer return single page buffer.
pdf to img
- msg.payload - pdf buffer input
pdf buffer → [pdf to img] → out base64
where:
- pdf buffer a pdf file as buffer.
- pdf to img extracts the page to image.
- out base64 return image in base64 (to display use node-red-contrib-image-tools -> viewer).
pdf create
create PDF document
pdf add page
adding a page
pdf save
buil final PDF
pdf draw text
add text to page PDF
Use cases
- Fast display pdf in flow editor.
- Extracting pages from automatically generated reports.
- Preparing single-page documents for downstream processing.
- Splitting large PDFs into smaller parts.
- Creating lightweight attachments for email or APIs.
License
Apache-2.0
