August 2001
Intermediate to advanced
648 pages
11h 18m
English
Content preview from Common UNIX Printing System
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Chapter 16Writing File Filters for CUPS
This chapter describes how to write a file filter for CUPS, which forms the backbone of the CUPS printing process. An example TeX DVI filter is provided, and the HP-GL/2 filter is explained.
What Are File Filters?
File filters are programs that convert files from one or more MIME types to other types. Filters use a common command-line and environment interface that enables them to be joined as needed to print files of any type and to any printer. Printer drivers, which are covered in the next chapter, are special types of filters. Figure 16.1 shows the relationship between print files, filters, printer drivers, and backends.
Figure 16.1 File filters in a print job.
CUPS provides many filters for converting ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.