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Archive: Forms & FDF

PDF Master: Max Wyss talks with Planet PDF

Karl De Abrew

Today Karl talks with Max Wyss of Prodok Engineering, based near Zurich, Switzerland. Highly regarded for his expertise in PDF-based forms -- and especially known for some of his legendary, interactive forms that integrate JavaScript for added functionality -- Wyss also is a consultant on the "Smart PDF Workflow" concept and a popular speaker at industry conferences and events.

Developer   March 03, 2003

John Warnock's 'Camelot' signalled birth of PDF

John Warnock

In the Spring of 1991 Dr. John Warnock wrote a paper he dubbed "Camelot" in which the Adobe Systems Co-founder and CEO laid out the foundation for what has become Acrobat/PDF. With the author's permission, Planet PDF is pleased to publish the full-text of that historic document.

Enterprise & Government   January 18, 2002

Time for an Acrobat JavaScript Test

Kas Thomas

Kas Thomas offers a chance to test your knowledge of Acrobat JavaScript with a new 20-question quiz; answers and explanations provided.

Developer   January 07, 2002

Make It Easy on Yourself

Kas Thomas

One of the things that makes JavaScript such a powerful, easy-to-use language is its relaxed data-typing. But sometimes, you NEED a number to be a number. New Planet PDF columinist Kas Thomas gives you the insight into a host of JavaScript tricks to perform variable type conversions.

Developer   September 20, 2001

Tips for Writing Reliable Code

Kas Thomas

Kas Thomas shares a few work habits and practices that will help you write better code--assuming, of course, that you already know at least the basics of programming!

Developer   August 23, 2001

Save Yourself Some Typing with 'With'

Kas Thomas

One trick I've learned (the hard way) for reducing the number of bugs in my JavaScript is to make use of any and all tools and techniques for cutting down on the amount of typing I have to do. Kas unveils new 'secret weapon' against typos.

Developer   August 05, 2001

Image Mapping in PDF - Create a JavaScript Color Picker

Kas Thomas

Kas presents an exercise on how to set up an image map in a PDF file and couple it to a Perl script running on a server, creating an RGB color picker as an example.

Developer   August 05, 2001

Using Colors in Acrobat JavaScript

Kas Thomas

Kas offers a crash course in manipulating color in PDF files.

Developer   August 05, 2001

The Trouble with 'this'

Kas Thomas

Kas is always looking for ways to improve his -- and your -- script-writing skills and practices. He's got another shortcut that will cut down on your keystroking, and thus lessen the chance for the dreaded Script Typo.

Developer   July 20, 2001

Fields That Trigger Fields - The watch() method

Kas Thomas

The watch() method, although present in Acrobat JavaScript, doesn't work correctly (at least under Acrobat 4.05 for Mac). It causes the property that's being "watched" to become undefined.

Developer   July 20, 2001

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Adding a PDF Stamp Comment

OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.