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This is a new stroke-based TrueType font recently developed
by Arphic. Its major difference from CCT font is the use
of a TrueType composite glyph format, which avoids the
use of the Apple patented TrueType instruction. This makes
it particularly suitable for use with FreeType Engine
products. Because this does not need to enable the FreeType
bytecode hinting function, exempt from infringing upon
Apple’s patent. As such, STT is a new choice for Linux
and embedded web browsers that use FreeType as the TrueType
engine.
The STT font provided by Arphic is a TrueType font
mainly directed at Chinese and Japanese, including Traditional
Chinese Big-5, Simplified Chinese GB and Japanese (JIS)
languages. These come in a variety of stylistic font
choices including Kai, Round-Gothic, Gothic, Sung and
Ming. Because ideographic characters are made up of
strokes, this method can make font capacity smaller;
for example, if we look at a GB18030 Sung (containing
over 27,000 Chinese characters) with STT, then the file
is around 5.5MB in size that is approximately from one
third to one half the size of a normal TrueType front
file, making it especially suitable for embedded systems
usage.
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