function units2pt($value, $font_size = null)
{
$unit = Value::unit_from_string($value);
switch ($unit) {
case UNIT_PT:
return pt2pt((double) $value);
case UNIT_PX:
return px2pt((double) $value);
case UNIT_MM:
return pt2pt(mm2pt((double) $value));
case UNIT_CM:
return pt2pt(mm2pt((double) $value * 10));
case UNIT_EM:
return em2pt((double) $value, $font_size);
case UNIT_EX:
return ex2pt((double) $value, $font_size);
case UNIT_IN:
return pt2pt((double) $value * 72);
// points used by CSS 2.1 are equal to 1/72nd of an inch.
// points used by CSS 2.1 are equal to 1/72nd of an inch.
case UNIT_PC:
return pt2pt((double) $value * 12);
// 1 pica equals to 12 points.
// 1 pica equals to 12 points.
default:
global $g_config;
if ($g_config['mode'] === 'quirks') {
return px2pt((double) $value);
} else {
return 0;
}
}
}
function toPt($font_size)
{
switch ($this->_unit) {
case UNIT_PT:
return pt2pt($this->_number);
case UNIT_PX:
return px2pt($this->_number);
case UNIT_MM:
return pt2pt(mm2pt($this->_number));
case UNIT_CM:
return pt2pt(mm2pt($this->_number * 10));
case UNIT_EM:
return em2pt($this->_number, $font_size);
case UNIT_EX:
return ex2pt($this->_number, $font_size);
case UNIT_IN:
return pt2pt($this->_number * 72);
// points used by CSS 2.1 are equal to 1/72nd of an inch.
// points used by CSS 2.1 are equal to 1/72nd of an inch.
case UNIT_PC:
return pt2pt($this->_number * 12);
// 1 pica equals to 12 points.
// 1 pica equals to 12 points.
default:
global $g_config;
if ($g_config['mode'] === 'quirks') {
return px2pt($this->_number);
} else {
return 0;
}
}
}