/**
* @param array $options
*
* @return string
*/
public function generate(array &$options)
{
$this->builder->setDistortion($options['distortion']);
$this->builder->setMaxFrontLines($options['max_front_lines']);
$this->builder->setMaxBehindLines($options['max_behind_lines']);
if (isset($options['text_color']) && $options['text_color']) {
if (count($options['text_color']) !== 3) {
throw new \RuntimeException('text_color should be an array of r, g and b');
}
$color = $options['text_color'];
$this->builder->setTextColor($color[0], $color[1], $color[2]);
}
if (isset($options['background_color']) && $options['background_color']) {
if (count($options['background_color']) !== 3) {
throw new \RuntimeException('background_color should be an array of r, g and b');
}
$color = $options['background_color'];
$this->builder->setBackgroundColor($color[0], $color[1], $color[2]);
}
$this->builder->setInterpolation($options['interpolation']);
$fingerprint = isset($options['fingerprint']) ? $options['fingerprint'] : null;
$content = $this->builder->build($options['width'], $options['height'], $options['font'], $fingerprint)->getGd();
if ($options['keep_value']) {
$options['fingerprint'] = $this->builder->getFingerprint();
}
if (!$options['as_file']) {
ob_start();
imagejpeg($content, null, $options['quality']);
return ob_get_clean();
}
return $this->imageFileHandler->saveAsFile($content);
}
/**
* Load connection parameters from config file.
*
* @access private
* @param string $connection Connection group name
*/
private function setBuilder($width = 150, $height = 40, $font = null)
{
if ($this->session->has($this->secret . '::phrase') && $this->isAlive()) {
// Get phrase saved in session
$sessionPhrase = $this->session->get($this->secret . '::phrase');
// Decrypt phrase
$phrase = $this->encrypter->decrypt($sessionPhrase);
// Captcha builder
$this->builder = new CaptchaBuilder($phrase);
$this->builder->setDistortion(false);
$this->builder->setMaxBehindLines(0);
$this->builder->setMaxFrontLines(0);
$this->builder->setIgnoreAllEffects(false);
$this->builder->setBackgroundColor(241, 241, 241);
$this->builder->build($width, $height, $font);
} else {
// Captcha builder
$this->builder = new CaptchaBuilder();
$this->builder->setDistortion(false);
$this->builder->setMaxBehindLines(0);
$this->builder->setMaxFrontLines(0);
$this->builder->setIgnoreAllEffects(false);
$this->builder->setBackgroundColor(241, 241, 241);
$this->builder->build($width, $height, $font);
// Set last generated phrase
$this->session->put($this->secret . '::phrase', $this->encrypter->encrypt($this->builder->getPhrase()));
// Set last modified time
$this->session->put($this->secret . '::lastModified', time());
}
}
<?php
include '../CaptchaBuilderInterface.php';
include '../PhraseBuilderInterface.php';
include '../CaptchaBuilder.php';
include '../PhraseBuilder.php';
use Gregwar\Captcha\CaptchaBuilder;
/**
* Generates 1000 captchas and try to read their code with the
* ocrad OCR
*/
$tests = 10000;
$passed = 0;
shell_exec('rm passed*.jpg');
for ($i = 0; $i < $tests; $i++) {
echo "Captcha {$i}/{$tests}... ";
$captcha = new CaptchaBuilder();
$captcha->setDistortion(false)->build();
if ($captcha->isOCRReadable()) {
$passed++;
$captcha->save("passed{$passed}.jpg");
echo "passed at ocr... ";
} else {
echo "failed... ";
}
echo "pass rate: " . round(100 * $passed / ($i + 1), 2) . "%\n";
}
echo "\n";
echo "Over, {$passed}/{$tests} readed with OCR\n";
