font::ttf::vmtx(3)
NAME
Font::TTF::Vmtx - Vertical Metrics
DESCRIPTION
Contains the advance height and top side bearing for each
glyph. Given the compressability of the data onto disk,
this table uses information from other tables, and thus
must do part of its output during the output of other
tables
INSTANCE VARIABLES
The vertical metrics are kept in two arrays by glyph id.
The variable names do not start with a space
- advance
- An array containing the advance height for each glyph
- top An array containing the top side bearing for each
- glyph
METHODS
$t->read
Reads the vertical metrics from the TTF file into memory
$t->out($fh)
Writes the metrics to a TTF file. Assumes that the "vhea"
has updated the numVMetrics from here
BUGS
None known
AUTHOR
- Martin Hosken Martin_Hosken@sil.org. See Font::TTF::Font
for copyright and licensing.