1Font::TTF::Vmtx(3) User Contributed Perl Documentation Font::TTF::Vmtx(3)
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6 Font::TTF::Vmtx - Vertical Metrics
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9 Contains the advance height and top side bearing for each glyph. Given
10 the compressability of the data onto disk, this table uses information
11 from other tables, and thus must do part of its output during the
12 output of other tables
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15 The vertical metrics are kept in two arrays by glyph id. The variable
16 names do not start with a space
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18 advance
19 An array containing the advance height for each glyph
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21 top An array containing the top side bearing for each glyph
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24 $t->read
25 Reads the vertical metrics from the TTF file into memory
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27 $t->out($fh)
28 Writes the metrics to a TTF file. Assumes that the "vhea" has updated
29 the numVMetrics from here
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32 None known
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35 Martin Hosken <http://scripts.sil.org/FontUtils>.
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38 Copyright (c) 1998-2016, SIL International (http://www.sil.org)
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40 This module is released under the terms of the Artistic License 2.0.
41 For details, see the full text of the license in the file LICENSE.
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45perl v5.28.1 2016-08-03 Font::TTF::Vmtx(3)