Font::TTF::Hmtx - Horizontal Metrics

Author

Martin Hosken <http://scripts.sil.org/FontUtils>.

Bugs

None known

Description

Contains the advance width and left 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 horizontal metrics are kept in two arrays by glyph id. The variable names do not start with a space advance An array containing the advance width for each glyph lsb An array containing the left side bearing for each glyph

Licensing

Copyright (c) 1998-2016, SIL International (http://www.sil.org) This module is released under the terms of the Artistic License 2.0. For details, see the full text of the license in the file LICENSE. perl v5.34.0 2022-06-14 Font::TTF::Hmtx(3pm)

Methods

$t->read Reads the horizontal metrics from the TTF file into memory $t->numMetrics Calculates again the number of long metrics required to store the information here. Returns undef if the table has not been read. $t->out($fh) Writes the metrics to a TTF file. Assumes that the "hhea" has updated the numHMetrics from here $t->update Updates the lsb values from the xMin from the each glyph $t->out_xml($context,$depth) Outputs the table in XML