public function testBuildMatrix()
{
$bytes = array(32, 65, 205, 69, 41, 220, 46, 128, 236, 42, 159, 74, 221, 244, 169, 239, 150, 138, 70, 237, 85, 224, 96, 74, 219, 61);
$bits = new BitArray();
foreach ($bytes as $byte) {
$bits->appendBits($byte, 8);
}
$matrix = new ByteMatrix(21, 21);
MatrixUtil::buildMatrix($bits, new ErrorCorrectionLevel(ErrorCorrectionLevel::H), Version::getVersionForNumber(1), 3, $matrix);
$expected = " 1 1 1 1 1 1 1 0 0 1 1 0 0 0 1 1 1 1 1 1 1\n" . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1\n" . " 1 0 1 1 1 0 1 0 0 0 0 1 0 0 1 0 1 1 1 0 1\n" . " 1 0 1 1 1 0 1 0 0 1 1 0 0 0 1 0 1 1 1 0 1\n" . " 1 0 1 1 1 0 1 0 1 1 0 0 1 0 1 0 1 1 1 0 1\n" . " 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 0 0 0 0 0 1\n" . " 1 1 1 1 1 1 1 0 1 0 1 0 1 0 1 1 1 1 1 1 1\n" . " 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 0 0 0 0 0 0\n" . " 0 0 1 1 0 0 1 1 1 0 0 1 1 1 1 0 1 0 0 0 0\n" . " 1 0 1 0 1 0 0 0 0 0 1 1 1 0 0 1 0 1 1 1 0\n" . " 1 1 1 1 0 1 1 0 1 0 1 1 1 0 0 1 1 1 0 1 0\n" . " 1 0 1 0 1 1 0 1 1 1 0 0 1 1 1 0 0 1 0 1 0\n" . " 0 0 1 0 0 1 1 1 0 0 0 0 0 0 1 0 1 1 1 1 1\n" . " 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 1 1\n" . " 1 1 1 1 1 1 1 0 1 1 1 1 0 0 0 0 1 0 1 1 0\n" . " 1 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0\n" . " 1 0 1 1 1 0 1 0 0 1 0 0 1 1 0 0 1 0 0 1 1\n" . " 1 0 1 1 1 0 1 0 1 1 0 1 0 0 0 0 0 1 1 1 0\n" . " 1 0 1 1 1 0 1 0 1 1 1 1 0 0 0 0 1 1 1 0 0\n" . " 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0\n" . " 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 0 1 0\n";
$this->assertEquals($expected, $matrix->__toString());
}
/**
* Chooses the best mask pattern for a matrix.
*
* @param BitArray $bits
* @param ErrorCorrectionLevel $ecLevel
* @param Version $version
* @param ByteMatrix $matrix
* @return integer
*/
protected static function chooseMaskPattern(BitArray $bits, ErrorCorrectionLevel $ecLevel, Version $version, ByteMatrix $matrix)
{
$minPenality = PHP_INT_MAX;
$bestMaskPattern = -1;
for ($maskPattern = 0; $maskPattern < QrCode::NUM_MASK_PATTERNS; $maskPattern++) {
MatrixUtil::buildMatrix($bits, $ecLevel, $version, $maskPattern, $matrix);
$penalty = self::calculateMaskPenalty($matrix);
if ($penalty < $minPenality) {
$minPenality = $penalty;
$bestMaskPattern = $maskPattern;
}
}
return $bestMaskPattern;
}