/**
* Calculates the mask penalty for a matrix.
*
* @param ByteMatrix $matrix
* @return integer
*/
protected static function calculateMaskPenalty(ByteMatrix $matrix)
{
return MaskUtil::applyMaskPenaltyRule1($matrix) + MaskUtil::applyMaskPenaltyRule2($matrix) + MaskUtil::applyMaskPenaltyRule3($matrix) + MaskUtil::applyMaskPenaltyRule4($matrix);
}
public function testApplyMaskPenaltyRule4()
{
// Dark cell ratio = 0%
$matrix = new ByteMatrix(1, 1);
$matrix->set(0, 0, 0);
$this->assertEquals(100, MaskUtil::applyMaskPenaltyRule4($matrix));
// Dark cell ratio = 5%
$matrix = new ByteMatrix(2, 1);
$matrix->set(0, 0, 0);
$matrix->set(0, 0, 1);
$this->assertEquals(0, MaskUtil::applyMaskPenaltyRule4($matrix));
// Dark cell ratio = 66.67%
$matrix = new ByteMatrix(6, 1);
$matrix->set(0, 0, 0);
$matrix->set(1, 0, 1);
$matrix->set(2, 0, 1);
$matrix->set(3, 0, 1);
$matrix->set(4, 0, 1);
$matrix->set(5, 0, 0);
$this->assertEquals(30, MaskUtil::applyMaskPenaltyRule4($matrix));
}
