vmtx
: Vertical Metrics table
The vmtx
table is an OpenType table.
- class fontTools.ttLib.tables._v_m_t_x.table__v_m_t_x(tag=None)[source]
Bases:
table__h_m_t_x
Vertical Metrics table
The
vmtx
table contains per-glyph metrics for the glyphs in aglyf
,CFF ``, or ``CFF2
table, as needed for vertical text layout.See also https://learn.microsoft.com/en-us/typography/opentype/spec/vmtx
- headerTag = 'vhea'
- advanceName = 'height'
- sideBearingName = 'tsb'
- numberOfMetricsName = 'numberOfVMetrics'
- mergeMap = {'metrics': <function sumDicts>, 'tableTag': <function equal>}
- subset_glyphs(s)