So far this article has covered some pretty hairy looking object structures. But the simplest PDF Document is really very simple. The figure below shows the complete COS level view of a PDF with a single blank page. That's all there is to it. When Acrobat saves this file it will however add a Metadata Stream to the Document Catalog. It can't help itself. Acrobat really wants that Metadata to be there, but it will still read and display the file with out it.
Figure 6. Minimum PDF
One Last Big Hairy Object:
Sometimes you may have to really look hard for the data you want. This last figure shows the depths to which some data is buried. This screen shot is of a Multimedia Object that is played by QuickTime. The Multimedia Object lives inside of an annotation. With the PDF Spec alone it would be very difficult to understand the structure of this object and locate the actual QuickTime movie data. But with a nice view of the object structure it's easy to get to the bottom of the document, literally.
Figure 7. The inspiration for this image was provide by Leonard Rosenthol: PDF Guru Extraordinaire.
PDF publishing is mainstream these days, and it's certainly more efficient and eco-friendly than conventional distribution channels. Sometimes, though, it's a pleasure to sit down with a printed magazine, and many readers will never enjoy reading long items digitally. Magcloud is a self-publishing service which combines e-publishing with print-on-demand.
Despite the numerous benefits, there can be potential issues with the conversion of paper documents into electronic archives. When scanning paper pages into PDF, it's possible to end up with the odd- and even-numbered pages in separate PDF files. It can be very time-consuming to collate them manually, but there is an easier way. Sean Stewart explains.
BCL easyPDF SDK is a set of PDF Programming Libraries designed specifically to help Software Developers / Programmers build and deploy enterprise class PDF applications for corporate wide PDF...