public function testApplyMaskPenaltyRule1()
{
$matrix = new ByteMatrix(4, 1);
$matrix->set(0, 0, 0);
$matrix->set(1, 0, 0);
$matrix->set(2, 0, 0);
$matrix->set(3, 0, 0);
$this->assertEquals(0, MaskUtil::applyMaskPenaltyRule1($matrix));
// Horizontal
$matrix = new ByteMatrix(6, 1);
$matrix->set(0, 0, 0);
$matrix->set(1, 0, 0);
$matrix->set(2, 0, 0);
$matrix->set(3, 0, 0);
$matrix->set(4, 0, 0);
$matrix->set(5, 0, 1);
$this->assertEquals(3, MaskUtil::applyMaskPenaltyRule1($matrix));
$matrix->set(5, 0, 0);
$this->assertEquals(4, MaskUtil::applyMaskPenaltyRule1($matrix));
// Vertical
$matrix = new ByteMatrix(1, 6);
$matrix->set(0, 0, 0);
$matrix->set(0, 1, 0);
$matrix->set(0, 2, 0);
$matrix->set(0, 3, 0);
$matrix->set(0, 4, 0);
$matrix->set(0, 5, 1);
$this->assertEquals(3, MaskUtil::applyMaskPenaltyRule1($matrix));
$matrix->set(0, 5, 0);
$this->assertEquals(4, MaskUtil::applyMaskPenaltyRule1($matrix));
}
/**
* 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);
}