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pdf.js/examples/node/pdf2png/README.md
Jonas Jenwald 86f943ca03 [api-minor] Replace the canvas package with @napi-rs/canvas 
The `@napi-rs/canvas` package has fewer dependencies, which should *hopefully* make installing and using it easier for `pdfjs-dist` end-users. (Over the years we've seen, repeatedly, that `canvas` can be difficult to install successfully.)
Furthermore, this package includes more functionality (such as `Path2D`) which reduces the overall number of dependencies in the PDF.js project.

One point to note is that `@napi-rs/canvas` is a fair bit newer than `canvas`, and has a lot fewer users, however looking at the commit history it does seem to be actively maintained.

Note that I've successfully tested the [Node.js examples](https://github.com/mozilla/pdf.js/tree/master/examples/node), in particular the `pdf2png` one, with this patch applied and things appear to work fine.

Please see:
 - https://www.npmjs.com/package/@napi-rs/canvas
 - https://github.com/Brooooooklyn/canvas
2024-11-09 18:51:29 +01:00

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Overview

Example to demonstrate converting a PDF file to a PNG image using the PDF.js library.

Getting started

Install the dependencies and build the PDF.js library:

$ npm install
$ gulp dist-install

Run the example to convert the first page of a PDF file to a PNG image:

$ cd examples/node/pdf2png
$ node pdf2png.mjs