---
name: "Font::TTF::Vhea"
section: "3pm"
platform: "linux"
package: "perl-font-ttf"
version: "1.06-6"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/Font::TTF::Vhea"
---

# Font::TTF::Vhea(3pm)

Vertical Header table

## NAME

Font::TTF::Vhea - Vertical Header table

## DESCRIPTION

This is a simple table with just standards specified instance variables

## INSTANCE VARIABLES

```
    version
    Ascender
    Descender
    LineGap
    advanceHeightMax
    minTopSideBearing
    minBottomSideBearing
    yMaxExtent
    caretSlopeRise
    caretSlopeRun
    metricDataFormat
    numberOfVMetrics
```

## METHODS

### $t-\>read

Reads the table into memory as instance variables

### $t-\>out($fh)

Writes the table to a file either from memory or by copying.

### $t-\>minsize()

Returns the minimum size this table can be. If it is smaller than this, then the table must be bad and should be deleted or whatever.

### $t-\>update

Updates various parameters in the hhea table from the hmtx table, assuming the `"hmtx"` table is dirty.

## BUGS

None known

## AUTHOR

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

## 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.