Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems.
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... It never ceases to amaze us what creative ways people find to use our library. Unfortunately a lot of these are commercial ones we... This article is all about color in PDF images, and exactly what the depth of an image means in practice. All PDF images will... Indexed colorspaces are a very useful way of reducing the amount of memory and space needed when they only have a certain number of... Form XObjects (not be confused with forms which are buttons, checkboxes, buttons, etc) are an advanced feature of the PDF file format. They can... 
