function captcha()
{
require_once 'captchaConfig.php';
$cap = count($captcha);
$max = strlen($captchaChars) - 1;
$password = null;
$password2 = '';
for ($i = 0; $i < $passwordSize; $i++) {
$password .= $captchaChars[mt_rand(0, $max)];
}
for ($i = 0; $i < $fileNameSize; $i++) {
$password2 .= $fileNameChars[mt_rand(0, $max)];
}
$im = imagecreatefromjpeg($imagesFolder . $captcha[cap($captcha)]);
/* Attempt to open */
$black = imagecolorallocate($im, lineColor(), lineColor(), lineColor());
//echo $black;
$dir = $fontFolder;
$dh = opendir($dir);
while (false !== ($filename = readdir($dh))) {
if ($filename != '.' && $filename != '..') {
$fonts[] = $filename;
}
}
$font = array_rand($fonts);
$font = $fontFolder . $fonts[$font];
//echo "<h1>$font</h1>";
$angle = rand(0, 40);
imagettftext($im, $size, mrn($angle), $lefts, $tops, $black, $font, $password);
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line(), line2(), line2(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line(), line2(), line2(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line2(), line2(), line2(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line2(), line(), line(), line2(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line(), line2(), line2(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line(), line2(), line2(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imageline($im, line(), line2(), line2(), line(), imagecolorallocate($im, lineColor(), lineColor(), lineColor()));
imagejpeg($im, $captchasFolder . $password2 . '.jpg', $quality) or die('Is captchasFolder writable?');
$max = strlen($tmpFileChars) - 1;
$tmpFile = null;
for ($i = 0; $i < 16; $i++) {
$tmpFile .= $tmpFileChars[mt_rand(0, $max)];
}
umask(00);
$tmpFile = $tmpFileLocation . $tmpFile . ".tmp";
if (!is_file($tmpFile)) {
touch($tmpFile) or die('Could not create file');
}
if (is_writable($tmpFile)) {
if (!($handle = fopen($tmpFile, 'a'))) {
echo "Cannot open file ({$tmpFile})";
exit;
}
if (fwrite($handle, $password) === FALSE) {
echo "Cannot write to file ({$tmpFile})";
exit;
}
fclose($handle);
} else {
echo "The file {$tmpFile} is not writable";
}
$html = '
<div style="display:inline-block;width:140px;padding:10px;vertical-align:top;">
<img src="' . $captchasFolderWeb . $password2 . '.jpg" height="100" width="120" border="1"/>
</div>
<div style="display:inline-block;width:140px;padding:10px;">
<h2>Enter the Captcha Text here:</h2>
<input type="text" name="' . $passwordName . '" size="6" title="' . CAPTCHA . '" />
</div>
<div>
(Note: all letters are lowercase and there should be ' . $passwordSize . ' characters)
<br />If the text is illegible, <a href="">click here</a> to reload the captcha.
<input type="hidden" name="' . $tmpFileName . '" value="' . $tmpFile . '" />
<input type="hidden" name="capPass" value="' . $password2 . '" />
</div>';
return $html;
}
function cutoutButton($x,$y,$r)
{
$z1 = 0.25;
$z2 = $z1 + 0.125;
$z3 = $z2 + 0.125;
$a1 = 40;
$a2 = 180 - $a1;
circlePocket($x,$y,$r+R,depth(0.75,$z3,DM));
cap($x,$y,$r+R,$z3,$z2,10);
circle($x,$y,$r+R,depth($z2,$z1,DM));
arc($x,$y,
polarX($x,$r+R,$a2), polarY($y,$r+R,$a2),
polarX($x,$r+R,$a1), polarY($y,$r+R,$a1),
depth($z1,0,DM));
arc($x,$y,
polarX($x,$r+R,-$a1), polarY($y,$r+R,-$a1),
polarX($x,$r+R,-$a2), polarY($y,$r+R,-$a2),
depth($z1,0,DM));
$y1 = $y-R-0.0625;
$y2 = $y+R+0.0625;
$x1 = $x+$r+R-0.0425; $x2 = $x+$r+R+0.125;
line($x1,$y1, $x2,$y1, depth($z1,0,DM));
line($x2,$y2, $x1,$y2, depth($z1,0,DM));
$x1 = $x-$r-R+0.0425; $x2 = $x-$r-R-0.125;
line($x1,$y1, $x2,$y1, depth($z1,0,DM));
line($x2,$y2, $x1,$y2, depth($z1,0,DM));
$x2 = $x+$r+R+0.125;
line($x2,$y1, $x2,$y2, depth($z1,0,DM));
$x2 = $x-$r-R-0.125;
line($x2,$y1, $x2,$y2, depth($z1,0,DM));
}
