class HexaPDF:: Font:: TrueType:: Table:: Hhea
Parent | HexaPDF::Font::TrueType::Table |
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The ‘hhea’ (horizontal header) table contains information for layouting fonts whose characters are written horizontally.
See: developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6hhea.html
Attributes
The maxium advance width (computed value).
The distance from the baseline of the highest ascender (as intended by the font designer).
The amount by which a slanted highlight on a glyph needs (0 for non-slanted fonts).
Defines together with caret_slope_run
the mathematical slope of the angle for the caret.
The slope is actually the ratio caret_slope_rise/caret_slope_run
See caret_slope_rise
.
The distance from the baseline of the lowest descender (as intended by the font designer).
The typographic line gap (as intended by the font designer).
The minimum left side bearing (computed value).
The minimum right side bearing (computed value).
The number of horizontal metrics defined in the ‘hmtx’ table.
The version of the table (a Rational).
The maximum horizontal glyph extent.