/**
* Parses header table (head) and sticks it in the indicated font
*/
function get_head_table($font)
{
if ($this->head_table != '') {
return $this->head_table;
}
$head =& $font->tables['head'];
$fh = $font->open();
fseek($fh, $head->offset);
// see http://www.microsoft.com/typography/otspec/head.htm
$head = new OTTTFontHEAD();
$head->Table_version_number = FileRead::read_Fixed($fh);
$head->fontRevision = FileRead::read_Fixed($fh);
$head->checkSumAdjustment = FileRead::read_ULONG($fh);
$head->magicNumber = FileRead::read_ULONG($fh);
$head->flags = FileRead::read_USHORT($fh);
$head->unitsPerEm = FileRead::read_USHORT($fh);
$head->created = FileRead::read_LONGDATETIME($fh);
$head->modified = FileRead::read_LONGDATETIME($fh);
$head->xMin = FileRead::read_SHORT($fh);
$head->yMin = FileRead::read_SHORT($fh);
$head->xMax = FileRead::read_SHORT($fh);
$head->yMax = FileRead::read_SHORT($fh);
$head->macStyle = FileRead::read_USHORT($fh);
$head->lowestRecPPEM = FileRead::read_USHORT($fh);
$head->fontDirectionHint = FileRead::read_SHORT($fh);
$head->indexToLocFormat = FileRead::read_SHORT($fh);
$head->glyphDataFormat = FileRead::read_SHORT($fh);
$this->head_table = $head;
fclose($fh);
return $this->get_head_table($font);
}
