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());
}
/**
* Sets a row of data from a BitArray.
*
* @param integer $y
* @param BitArray $row
* @return void
*/
public function setRow($y, BitArray $row)
{
$bits = $row->getBitArray();
for ($i = 0; $i < $this->rowSize; $i++) {
$this->bits[$y * $this->rowSize + $i] = $bits[$i];
}
}
/**
* Appends ECI information to a bit array.
*
* @param CharacterSetEci $eci
* @param BitArray $bits
* @return void
*/
protected static function appendEci(CharacterSetEci $eci, BitArray $bits)
{
$mode = new Mode(Mode::ECI);
$bits->appendBits($mode->get(), 4);
$bits->appendBits($eci->get(), 8);
}
public function testIsRange()
{
$array = new BitArray(64);
$this->assertTrue($array->isRange(0, 64, false));
$this->assertFalse($array->isRange(0, 64, true));
$array->set(32);
$this->assertTrue($array->isRange(32, 33, true));
$array->set(31);
$this->assertTrue($array->isRange(31, 33, true));
$array->set(34);
$this->assertFalse($array->isRange(31, 35, true));
for ($i = 0; $i < 31; $i++) {
$array->set($i);
}
$this->assertTrue($array->isRange(0, 33, true));
for ($i = 33; $i < 64; $i++) {
$array->set($i);
}
$this->assertTrue($array->isRange(0, 64, true));
$this->assertFalse($array->isRange(0, 64, false));
}
/**
* Makes an exclusive-or comparision on the current bit array.
*
* @param BitArray $other
* @return void
* @throws Exception\InvalidArgumentException
*/
public function xorBits(self $other)
{
$bitsLength = count($this->bits);
$otherBits = $other->getBitArray();
if ($bitsLength !== count($otherBits)) {
throw new Exception\InvalidArgumentException('Sizes don\'t match');
}
for ($i = 0; $i < $bitsLength; $i++) {
$this->bits[$i] = $this->bits[$i] ^ $otherBits[$i];
}
}
/**
* Embeds "dataBits" using "getMaskPattern".
*
* For debugging purposes, it skips masking process if "getMaskPattern" is
* -1. See 8.7 of JISX0510:2004 (p.38) for how to embed data bits.
*
* @param BitArray $dataBits
* @param integer $maskPattern
* @param ByteMatrix $matrix
* @return void
* @throws Exception\WriterException
*/
protected static function embedDataBits(BitArray $dataBits, $maskPattern, ByteMatrix $matrix)
{
$bitIndex = 0;
$direction = -1;
// Start from the right bottom cell.
$x = $matrix->getWidth() - 1;
$y = $matrix->getHeight() - 1;
while ($x > 0) {
// Skip vertical timing pattern.
if ($x === 6) {
$x--;
}
while ($y >= 0 && $y < $matrix->getHeight()) {
for ($i = 0; $i < 2; $i++) {
$xx = $x - $i;
// Skip the cell if it's not empty.
if ($matrix->get($xx, $y) !== -1) {
continue;
}
if ($bitIndex < $dataBits->getSize()) {
$bit = $dataBits->get($bitIndex);
$bitIndex++;
} else {
// Padding bit. If there is no bit left, we'll fill the
// left cells with 0, as described in 8.4.9 of
// JISX0510:2004 (p. 24).
$bit = false;
}
// Skip masking if maskPattern is -1.
if ($maskPattern !== -1 && MaskUtil::getDataMaskBit($maskPattern, $xx, $y)) {
$bit = !$bit;
}
$matrix->set($xx, $y, $bit);
}
$y += $direction;
}
$direction = -$direction;
$y += $direction;
$x -= 2;
}
// All bits should be consumed
if ($bitIndex !== $dataBits->getSize()) {
throw new Exception\WriterException('Not all bits consumed (' . $bitIndex . ' out of ' . $dataBits->getSize() . ')');
}
}