Fontlab TransType Pro 3.0.2 Manuel d'utilisateur télécharger pdf (Page 105)

Technical Details

105

TrueType Fonts

When TransType opens PC TrueType fonts it looks for a (3.1) CMap table.

If this table is found then the font is marked as a normal Unicode font. If

not, TransType tries to open the (3.0) table – if this table is present, it

means that the source font is a symbol font.

The last table that is checked is the (1.0) table usually used to encode fonts

on the Macintosh. This table is also used as a symbol-mapping table. If the

font contains more glyphs than are covered by the (1.0) CMap table,

TransType tries to open the post table, extract the glyph names and find

Unicode indexes using the same method which is used when PostScript

names of the Type 1 characters are mapped to Unicode.

Note that the same search sequence is used when a font is converted from

Macintosh to PC.

The MacStyle field of the head table is used to detect the style of a

Windows TrueType font.

AAT (Apple Advanced Typography) features are not created when

converting to Macintosh TrueType.

Ascender and descender values are extracted from the head table. The

OS/2 table is not used for these purposes.

1 2 ... 100 101 102 103 104 105 106 107 108 109 110 ... 116 117

Pas de commentaire

Fontlab TransType Pro 3.0.2 Manuel d'utilisateur Page 105