---
name: "Font::TTF::Features::Cvar"
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::Features::Cvar"
---

# Font::TTF::Features::Cvar(3pm)

Class for Character Variants Feature Parameters

## NAME

Font::TTF::Features::Size - Class for Character Variants Feature Parameters

## DESCRIPTION

Handles the Feature Parameters valus forCharacter Variants features

## INSTANCE VARIABLES

- INFILE

  The read file handle

- OFFSET

  Location of the file in the input file

- Format

  Table format - set to 0

- UINameID

  The 'name' table name ID that specifies a string (or strings, for multiple  languages) for a user-interface label for this feature

- TooltipNameID

  The 'name' table name ID for tooltip text for the feature

- SampleTextNameID

  The 'name' table name ID for sample text to illustrate the feature

- NumNamedParms

  The number of named parameters

- FirstNamedParmID

  The 'name' table name ID for the first named parameter

- Characters

  An array holding the unicode values of the characters for which the feature  provides glyph variants

## METHODS

### $t-\>read

Reads the Feature Params

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

Writes the FeatureParams table to the output

### Font::TTF::Features::Sset-\>new()

Creates a new FeatureParams object. Values for INFILE and OFFSET canbe passed as parameters

## AUTHOR

David Raymond \<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.