Tutorial by Topics: pdf

Portable Document Format (PDF) is a file format used to present and exchange documents reliably, independent of software, hardware, or operating system. Invented by Adobe, PDF is now an open standard maintained by the International Organization for Standardization (ISO). PDFs can contain images, l...

To render fonts correctly in pdf font-extensions should always be used (in classpath)

Integrated PDF signatures are explained quite graphically and in more detail in the Adobe document Digital Signatures in a PDF. They furthermore are specified in the PDF specification ISO 32000-1:2008 made available here by Adobe in section 12.8 Digital Signatures. Depending on your programming c...

The code to convert a plain text file to a PDF document is pretty simple whether you use iText 5 or iText 7. In iText 7, you have the advantage that you can define the alignment at the level of the document. In iText 5, you have to set the alignment for every separate Paragraph object. To underst...

In the original design for iText, it was possible to create a high-level Document object, and then have different DocListener objects listening to that Document object. This was achieved by using different writers: a PdfWriter, an HTMLWriter, and an RtfWriter. When using a PdfWriter, a PdfDocument...

This section provides an overview of what tcpdf is, and why a developer might want to use it. It should also mention any large subjects within tcpdf, and link out to the related topics. Since the Documentation for tcpdf is new, you may need to create initial versions of those related topics. ...