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.