/**
* Writes QR code and returns it as string.
*
* Content is a string which *should* be encoded in UTF-8, in case there are
* non ASCII-characters present.
*
* @param string $content
* @param string $encoding
* @param integer $ecLevel
* @return string
* @throws Exception\InvalidArgumentException
*/
public function writeString($content, $encoding = Encoder::DEFAULT_BYTE_MODE_ECODING, $ecLevel = ErrorCorrectionLevel::L)
{
if (strlen($content) === 0) {
throw new Exception\InvalidArgumentException('Found empty contents');
}
$qrCode = Encoder::encode($content, new ErrorCorrectionLevel($ecLevel), $encoding);
return $this->getRenderer()->render($qrCode);
}
public function testSetClass()
{
$content = 'foobar';
$qrCode = Encoder::encode($content, new ErrorCorrectionLevel(ErrorCorrectionLevel::L), Encoder::DEFAULT_BYTE_MODE_ECODING);
$this->renderer->setClass('bar');
$this->assertEquals('bar', $this->renderer->getClass());
$this->assertStringMatchesFormat('%aclass="bar"%a', $this->renderer->render($qrCode));
}
public function testBasicRenderCustomChar()
{
$content = 'foobar';
$expected = "-----------------------\n" . "-#######-#####-#######-\n" . "-#-----#--#-#--#-----#-\n" . "-#-###-#--##---#-###-#-\n" . "-#-###-#--###--#-###-#-\n" . "-#-###-#---#-#-#-###-#-\n" . "-#-----#----##-#-----#-\n" . "-#######-#-#-#-#######-\n" . "---------#####---------\n" . "-##-##-#--##-#-#-----#-\n" . "----##----##-#-#-##----\n" . "--########-#--##-#--##-\n" . "-----------##------#-#-\n" . "--##--###--#---#--#--#-\n" . "---------#-###----#-#--\n" . "-#######--##-######----\n" . "-#-----#---####---##---\n" . "-#-###-#-##-##-##-#-##-\n" . "-#-###-#-##-##--#-##---\n" . "-#-###-#---#---#-##-##-\n" . "-#-----#-###--###-####-\n" . "-#######-####---##-----\n" . "-----------------------\n";
$qrCode = Encoder::encode($content, new ErrorCorrectionLevel(ErrorCorrectionLevel::L), Encoder::DEFAULT_BYTE_MODE_ECODING);
$this->renderer->setFullBlock('#');
$this->renderer->setEmptyBlock('-');
$this->assertEquals('#', $this->renderer->getFullBlock());
$this->assertEquals('-', $this->renderer->getEmptyBlock());
$this->assertEquals($expected, $this->renderer->render($qrCode));
}