public function testClear()
{
$matrix = new BitMatrix(5, 10);
$matrix->set(3, 4);
$matrix->clear();
$this->assertEquals(0, $matrix->get(3, 4));
}
private static function drawModeMessage(BitMatrix $matrix, $compact, $matrixSize, BitArray $modeMessage)
{
$center = intval($matrixSize / 2);
if ($compact) {
for ($i = 0; $i < 7; $i++) {
if ($modeMessage->get($i)) {
$matrix->set($center - 3 + $i, $center - 5);
}
if ($modeMessage->get($i + 7)) {
$matrix->set($center + 5, $center - 3 + $i);
}
if ($modeMessage->get(20 - $i)) {
$matrix->set($center - 3 + $i, $center + 5);
}
if ($modeMessage->get(27 - $i)) {
$matrix->set($center - 5, $center - 3 + $i);
}
}
} else {
for ($i = 0; $i < 10; $i++) {
if ($modeMessage->get($i)) {
$matrix->set($center - 5 + $i + intval($i / 5), $center - 7);
}
if ($modeMessage->get($i + 10)) {
$matrix->set($center + 7, $center - 5 + $i + intval($i / 5));
}
if ($modeMessage->get(29 - $i)) {
$matrix->set($center - 5 + $i + intval($i / 5), $center + 7);
}
if ($modeMessage->get(39 - $i)) {
$matrix->set($center - 7, $center - 5 + $i + intval($i / 5));
}
}
}
return $matrix;
}
