For tolerance the euclidian distance between the colors of the reference pixel
and the surrounding pixels is used. If the distance is within the
tolerance they'll get trimmed. For a RGB image the tolerance would
be within the range 0-442
| public trim ( $colourSource = null, $tolerance = null ) |
public function testTrim()
{
$commandSet = new CommandSet();
$commandSet->trim();
$this->assertEquals(array('trim'), $commandSet->toArray());
$commandSet->trim('bottom-right');
$this->assertEquals(array('trim:bottom-right'), $commandSet->toArray());
}
