https://www.pdflib.com/

PDFlib is a development library for creating PDF. The product family comprises multiple levels for creating, importing and personalizing PDF. PDFlib 10. PDFlib ...

https://pdf-lib.js.org/

Create PDF documents from scratch, or modify existing PDF documents. Draw text, images, and vector graphics. Embed your own fonts. Even embed and draw pages ...

https://www.npmjs.com/package/pdf-lib

Create and modify PDF documents in any JavaScript environment. Designed to work in any modern JavaScript runtime. Tested in Node, Browser, Deno, and React ...

https://pecl.php.net/package/pdflib

Package Information. Summary, Creating PDF on the fly with the PDFlib library. Maintainers, Rainer Schaaf < rjs at pdflib dot com > (lead) [details].

https://www.nuget.org/packages/PDFLib

PDFLib 2.0.2 .NET Framework 4.7.2 This package targets .NET Framework 4.7.2. The package is compatible with this framework or higher.

https://www.componentsource.com/product/pdflib-net/features

Features. PDFlib is a library which allows you to generate files in Adobe's Portable Document Format (PDF). PDFlib acts as a backend to your own programs ...

https://pdf-lib.js.org/docs/api/

Rotations shall be produced by [cos(q) sin(q) -sin(q) cos(q) 0 0] , which has the effect of rotating the coordinate system axes by an angle q counter clockwise.