Invented by Adobe Systems over 20 years ago, the Portable Document Format (PDF) is now an open standard for electronic document exchange maintained by the International Organization for Standardization (ISO). When you convert documents, forms, graphics, and web pages to PDF, they look just like they would if printed.
PDF
Text is defined in PDF files by a Font object and a set of TJ commands. So you will see something like this in... This article is all about color in PDF images, and exactly what the depth of an image means in practice. All PDF images will... Introduction Indexed colorspaces are a very useful way of reducing the amount of memory and space needed when they only have a certain number... There was an interesting question posted on stack overflow asking ‘Is JPedal free?’ It is a intriguing question so let us unpack it and... Introduction Form XObjects (not be confused with forms which are buttons, checkboxes, buttons, etc) are an advanced feature of the PDF file format. They... Interactive Forms in PDF Files PDF files can include interactive forms – radio buttons, checkboxes, text boxes, lists, etc. There are interactive widgets –... 