t1lib-1.3: description + notes
T1Lib
Type 1 font rasterizer.
t1lib is a library distributed under the GNU General Public Library License for generating character-
and string- glyphs from Adobe Type 1 fonts under UNIX. t1lib uses most of the code of the X11 rasterizer donated by IBM to the X11- project. But some disadvantages of the rasterizer being included in X11 have been eliminated. Here are some of the features:
- t1lib is completely independent of X11 (although the program provided for testing the library needs X11)
- fonts are made known to library by means of a font database file at runtime
- searchpaths for all types of input files are configured by means of a configuration file at runtime
- characters are rastered as they are needed
- characters and complete strings may be rastered by a simple function call
- when rastering strings, pairwise kerning information from .afm-files may optionally be taken into account
- an interface to ligature-information of afm-files is provided
- a program to generate afm-files from Type 1 font files is included
- rotation and arbitrary transformations are supported
- there's support for extending and slanting fonts
- underlining, overlining and overstriking is supported
- new encoding vectors may be loaded at runtime and fonts may be reencoded using these encoding vectors
- antialiasing is implemented
- Right-To-Left typesetting is supported
- Font subsetting is easily possible
- support of composite character information
- An interactive test program called "xglyph" is included in the distribution. This program allows to test all of the features of the library. It requires X11.
Vince Levey configured and built this package.
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