May 2010
Intermediate to advanced
552 pages
13h 37m
English
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Name
area — A region defined for a callout in a graphic or code example
Synopsis
area (db.area) ::=
alt?
Attribute synopsis
Common attributes (ID required) and common linking attributes.
Additional attributes:
coords
labelExactly one of:
units(enumeration) = “calspair” | “linecolumn” | “linecolumnpair” | “linerange”Each of:
units(enumeration) = “other”otherunits (NMTOKEN)
Required attributes are shown in bold.
Description
An area is an empty element holding information
about a region in a graphic, program listing, or screen.
The region is generally decorated with a number, symbol, or other
distinctive mark. The mark is usually used as the label for the
callout in a calloutlist, which
allows the reader to identify which callouts are associated with which
regions. The marks may be generated by the processing application from
the areas, or it may be added by some other process.
(This is an interchange issue. See Appendix D.)
For a complete description of callouts, see
callout.
Processing expectations
Suppressed. This element provides data for processing but it is not expected to be rendered directly.
The processing expectations of callouts are
likely to deserve special consideration for interchange. See Appendix D.
The coords, which are
required, identify the location of the region. The coordinates are
CDATA; how they are interpreted depends on the
units specified:
calspairThe coordinates are expressed using the semantics of the CALS graphic attributes. The format of the coordinates is “x1,y1 x2,y2”. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.