PDF file can be created in different methods. PDF libraries
can be used to create PDF from an application. This method is
usually employed by application developers. PDF can also be
created using PDF creation software. Most people use this
method for creating PDF files.
PostScript printer plays a vital role in PDF creation.
PostScript is is a page description programming language
like C and C++. But unlike C and C++, PostScript describes
very accurately what a page looks like. PostScript printer
is a software to read and interpret PostScript programs,
and produce graphical information that can be printed on
paper, film, plate, or saved to disk as a file.
EPS (Encapsulated PostScript) file is a PostScript program
that encapsulates a low-resolution image preview inside.
Thus, it allows programs to display preview on the screen.
PDF is originally created on the basis of PostScript language.
PostScript is designed to describe a page. PDF also describe a
page. PDF contains not only page description information, but
also how it behaves with that information. PDF is smarter than
PostScript or EPS. PDF file contains fonts, images, viewing
and printing instructions, keywords for searching and indexing,
document security, interactive hyperlinks, movies, and so on.
PDF files has many advantages:
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PDF files are portable. They can be used on different
platforms such as Windows, Mac, Unix, Linux, OS/2 etc.
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PDF files can be optimized. Their file size can be set
depending on the purpose, using low, medium or high
resolution.
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PDF files are secure. They can be protected using
passwords and encryption. Their use can be restricted
to intended purposes.
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PDF readers are free. Most PDF readers including
Adobe Reader is free.
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PDF files can be viewed in any web browser. All major
web browsers such as Internet Explorer, FireFox, Chrome,
Safari and Opera allow viewing PDF files.
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PDF files can have watermarks. They can have watermarks
either behind the page pr on the page for document viewing
enhancement.
GIRDAC
PDF Creator Pro creates PDF files by taking all these
advantages of PDF files.