Font Configuration in Amaya

How Amaya selects fonts

In order to let you choose your fonts, Amaya works with a Font Configuration file. By default that Font configuration file is located in the directory Amaya/config/:

• The file "fonts.gl.mac" is used by Mac OSX versions of Amaya
• The file "fonts.gl" is used by Windows and Linux OpenGL versions of Amaya
• The file "fonts.gl.win" is used by Windows versions of Amaya

Format of Font Configuration files

Criteria used to select a font are:

• the script: 0 for unicode ( for japanese), 1-17 for ISO-8859-1 to ISO-8859-17, 20 for Symbol , 21 for Stix fonts.
• the font family: 1 for serif, 2 for sans-serif, 3 for monspace, 4 for cursive, 5 for fantasy
• the font face: 1 for normal, 2 for bold, 3 for italic

The principle is to attach the path of of the font file (for example : "/share/fonts/type1/gsfonts/a010013l.pfb") to each set of criteria in Font Configuration files.

The syntax of these files is:

• One line that declares the script + a comment

  <script>,#<a comment>

• Followed by several lines that declare the connexion between a font family and a font face with a font selector. For optimisation purpose, it's possible to declare several font faces in the same line. In this case only the first font face identifier (1 for example) is declare. The second font selector is connected to the first font face identifier incremented to 1, etc.

  <font-family>;<font-face>=<font descriptor>;<font descriptor>;....

For any undefined entry, Amaya applies its standard strategy to select a font (as if no Font Configuration file exists).

#example ( the tree line above are mandatory)

9;#Latin5 (Turkish)

1;1=-*-*-medium-*-*-*-12-*-75-75-*-*-iso8859-9;2=-*-*-bold-*-*-*-12-*-75-75-*-*-iso8859-9;3=-*-*-medium-i-*-*-12-*-75-75-*-*-iso8859-9; 2;1=-*-*-medium-*-*-*-12-*-75-75-*-*-iso8859-9;2=-*-*-bold-*-*-*-12-*-75-75-*-*-iso8859-9;3=-*-*-medium-i-*-*-12-*-75-75-*-*-iso8859-9; 3;1=-*-*-medium-*-*-*-12-*-75-75-*-*-iso8859-9;2=-*-*-bold-*-*-*-12-*-75-75-*-*-iso8859-9;3=-*-*-medium-i-*-*-12-*-75-75-*-*-iso8859-9;

Open issues

• The field pixel_size in a font selector is not taken into account, as it is overwritten by Amaya when loading a font.
• The selected font resolution 75-75 may have an impact on font sizes on screen.
• Some fonts have limited set of sizes. By example the font "mutt clearly ui" exists only in sizes 24 and 75.
• The "monotype-symbol" doesn't work with Amaya (at least for drawing integrals).