# NAME

TTF:Hhea - Horizontal Header table

# DESCRIPTION

This is a simplte table with just standards specified instance variables

# INSTANCE VARIABLES

        version
        Ascender
        Descender
        LineGap
        advanceWidthMax
        minLeftSideBearing
        minRightSideBearing
        xMaxExtent
        caretSlopeRise
        caretSlopeRun
        metricDataFormat
        numberOfHMetrics

# 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->update

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

# BUGS

None known

# AUTHOR

Martin Hosken Martin_Hosken@sil.org. See PDF::API2::TTF::Font for copyright and licensing.