/**
* Get the value of an entry as text.
*
* The value will be returned in a format suitable for presentation,
* e.g., rationals will be returned as 'x/y', ASCII strings will be
* returned as themselves etc.
*
* @param boolean some values can be returned in a long or more
* brief form, and this parameter controls that.
*
* @return string the value as text.
*/
function getText($brief = false)
{
if (isset($this->value[0])) {
$v = $this->value[0];
}
switch ($this->tag) {
case PelTag::SHUTTER_SPEED_VALUE:
//CC (e->components, 1, v);
//if (!v_srat.denominator) return (NULL);
return Pel::fmt('%.0f/%.0f sec. (APEX: %d)', $v[0], $v[1], pow(sqrt(2), $v[0] / $v[1]));
case PelTag::BRIGHTNESS_VALUE:
//CC (e->components, 1, v);
//
// TODO: figure out the APEX thing, or remove this so that it is
// handled by the default clause at the bottom.
return sprintf('%d/%d', $v[0], $v[1]);
//FIXME: How do I calculate the APEX value?
//FIXME: How do I calculate the APEX value?
case PelTag::EXPOSURE_BIAS_VALUE:
//CC (e->components, 1, v);
//if (!v_srat.denominator) return (NULL);
return sprintf('%s%.01f', $v[0] * $v[1] > 0 ? '+' : '', $v[0] / $v[1]);
default:
return parent::getText($brief);
}
}
