December 2008
Intermediate to advanced
912 pages
33h 22m
English
Content preview from CJKV Information Processing, 2nd Edition
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Chapter 8: Output Methods
The effect of ATM on a 216-point characterFigure 8-1.
SuperATM
SuperATM was an extension to ATM, and made use of the multiple master technology
described in Chapter 6. Well, to be a bit more clear, SuperATM oers font substitution
functionality, something that is part of Adobe Acrobat. So, you may ask, what problem
does SuperATM attempt to solve? Consider a case in which someone provides you with
a document, but you do not have the typefaces which were used to create it. What usu-
ally happens is that the computer substitutes Courier, a well-known monospaced font
(“
this is Courier”), which completely interrupts the layout and line-breaks of most
documents. SuperATM attempted to solve this problem through the use of multiple mas-
ter font technology. Glyphs with identical metrics were synthesized on an as-needed ba-
sis, and were otherwise very close in style and appearance to those used in the original
document.
SuperATM used two generic multiple master fonts to accomplish this feat, both of which
used unusually creative names. One is a serif font, called Adobe Serif MM, and the other
is sans serif, called Adobe Sans MM.
So how are SuperATM and multiple master dierent? When you select a dierent weight,
width, optical size, or even style for a multiple master font, the interpolation ratios are
applied equally to every glyph in the typeface. In ...
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