public function testGetRow()
{
$matrix = new BitMatrix(102, 5);
for ($x = 0; $x < 102; $x++) {
if ($x & 3 === 0) {
$matrix->set($x, 2);
}
}
$array1 = $matrix->getRow(2, null);
$this->assertEquals(102, $array1->getSize());
$array2 = new BitArray(60);
$array2 = $matrix->getRow(2, $array2);
$this->assertEquals(102, $array2->getSize());
$array3 = new BitArray(200);
$array3 = $matrix->getRow(2, $array3);
$this->assertEquals(200, $array3->getSize());
for ($x = 0; $x < 102; $x++) {
$on = $x & 3 === 0;
$this->assertEquals($on, $array1->get($x));
$this->assertEquals($on, $array2->get($x));
$this->assertEquals($on, $array3->get($x));
}
}
/**
* Builds the function pattern for the current version.
*
* @return BitMatrix
*/
public function buildFunctionPattern()
{
$dimension = $this->getDimensionForVersion();
$bitMatrix = new BitMatrix($dimension);
// Top left finder pattern + separator + format
$bitMatrix->setRegion(0, 0, 9, 9);
// Top right finder pattern + separator + format
$bitMatrix->setRegion($dimension - 8, 0, 8, 9);
// Bottom left finder pattern + separator + format
$bitMatrix->setRegion(0, $dimension - 8, 9, 8);
// Alignment patterns
$max = count($this->alignmentPatternCenters);
for ($x = 0; $x < $max; $x++) {
$i = $this->alignmentPatternCenters[$x] - 2;
for ($y = 0; $y < $max; $y++) {
if ($x === 0 && ($y === 0 || $y === $max - 1) || $x === $max - 1 && $y === 0) {
// No alignment patterns near the three finder paterns
continue;
}
$bitMatrix->setRegion($this->alignmentPatternCenters[$y] - 2, $i, 5, 5);
}
}
// Vertical timing pattern
$bitMatrix->setRegion(6, 9, 1, $dimension - 17);
// Horizontal timing pattern
$bitMatrix->setRegion(9, 6, $dimension - 17, 1);
if ($this->versionNumber > 6) {
// Version info, top right
$bitMatrix->setRegion($dimension - 11, 0, 3, 6);
// Version info, bottom left
$bitMatrix->setRegion(0, $dimension - 11, 6, 3);
}
return $bitMatrix;
}