public function render($params = array())
{
$roit1 = rand(1, 6);
$font = dirname(__FILE__) . DS . 'catcha_fonts' . DS . 'font' . $roit1 . '.ttf';
$font = normalize_path($font, 0);
if (function_exists('imagettftext')) {
$text1 = mt_rand(100, 4500);
} else {
$text1 = mt_rand(100, 999);
}
$text2 = mt_rand(2, 9);
$roit = mt_rand(1, 5);
$text = "{$text1}";
$answ = $text1;
$x = 100;
$y = 20;
$image = @imagecreate($x, 20) or die('Unable to render a CAPTCHA picture!');
$tcol1z = rand(1, 150);
$ttcol1z1 = rand(0, 150);
$tcol1z11 = rand(0, 150);
$bgcolor = imagecolorallocate($image, 255, 255, 255);
$gray = imagecolorallocate($image, 240, 240, 240);
// $black = imagecolorallocate($image, $tcol1z, $ttcol1z1, $tcol1z11);
$black = imagecolorallocate($image, 0, 0, 0);
$captcha_sid = 'captcha';
if (isset($params['id'])) {
$captcha_sid = 'captcha_' . $params['id'];
} elseif (isset($_GET['id'])) {
$captcha_sid = 'captcha_' . $_GET['id'];
}
$old = mw()->user_manager->session_get('captcha');
if ($old != false) {
$old_array = mw()->user_manager->session_get('captcha_recent');
if (!is_array($old_array)) {
$old_array = array();
}
array_unshift($old_array, $old);
array_slice($old_array, 20);
mw()->user_manager->session_set('captcha_recent', $old_array);
}
$sess = mw()->user_manager->session_set($captcha_sid, $answ);
$col1z = rand(200, 242);
$col1z1 = rand(150, 242);
$col1z11 = rand(150, 242);
$color1 = imagecolorallocate($image, $col1z, $col1z1, $tcol1z11);
$color2 = imagecolorallocate($image, $tcol1z - 1, $ttcol1z1 - 1, $tcol1z11 - 2);
// imagefill($image, 0, 0, $color1);
for ($i = 0; $i < $x; ++$i) {
for ($j = 0; $j < $y; ++$j) {
if (mt_rand(0, 20) < 10) {
//$coords = array(mt_rand(0, 10), mt_rand(0, 10), mt_rand(0, 10), mt_rand(0, 10), 5, 6);
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x - mt_rand(0, 10), mt_rand(0, 10), mt_rand(0, 180), 200, $bgcolor);
// imagesetpixel($image, $i, $j, $color2);
}
}
}
$x1 = mt_rand(0, 5);
$y1 = mt_rand(20, 22);
$tsize = rand(13, 15);
$pad = 2;
// extra char spacing for text
if (function_exists('imagettftext')) {
imagettftext($image, $tsize, $roit, $x1, $y1, $black, $font, $text);
} else {
if (function_exists('imagestring')) {
$font = mw_includes_path() . DS . 'admin' . DS . 'catcha_fonts' . DS . 'font' . $roit1 . '.gdf';
$font = normalize_path($font, 0);
$font = imageloadfont($font);
imagestring($image, $font, 0, 0, $text, $black);
} else {
}
}
$s = 180;
$e = 360;
if (function_exists('imagefilter')) {
$filter_img = rand(1, 6);
switch ($filter_img) {
case 1:
$gaussian = array(array(1.0, 2.0, 1.0), array(2.0, 4.0, 2.0), array(1.0, 2.0, 1.0));
imageconvolution($image, $gaussian, 16, 0);
break;
// break;
// break;
case 3:
imagefilter($image, IMG_FILTER_PIXELATE, 1);
break;
default:
break;
}
}
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x, $y21 / 2, 180, 200, $bgcolor);
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x, $y21 / 2, $col1z11, 200, $bgcolor);
$y21 = mt_rand(5, 20);
$this->captcha_vector($image, $x / 3, $y21 / 3, $col1z11, 200, $bgcolor);
if (function_exists('imagestring')) {
$this->captcha_vector($image, $x / 3, $y21 / 3, $col1z11, 200, $gray);
imagestring($image, 0, $y21, 2, $text, $gray);
}
// $emboss = array(array(2, 0, 0), array(0, -1, 0), array(0, 0, -1));
// $embize = mt_rand(1, 4);
header('Content-type: image/png');
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
imagepng($image);
imagecolordeallocate($image, $bgcolor);
imagecolordeallocate($image, $black);
imagedestroy($image);
}
