From:
Operating system: linux
PHP version: 5.2.13
Package: *Graphics related
Bug Type: Feature/Change Request
Bug description:server in linux
Description:
------------
imagettfbbox() function not working in server
Test script:
---------------
class CaptchaSecurityImages {
public $font;
public $code;
//function
CaptchaSecurityImages($width='120',$height='40',$characters='6') {
function __construct() {
$code = $this->generateCode(6);
$font_size = 40 * 0.75;
$image = @imagecreate(120, 40) or die('Cannot initialize new GD
image
stream');
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 100, 120, 180);
for( $i=0; $i<(120*40)/3; $i++ ) {
imagefilledellipse($image, mt_rand(0,120),
mt_rand(0,40), 1, 1,
$noise_color);
}
for( $i=0; $i<(120*40)/150; $i++ ) {
imageline($image, mt_rand(0,120), mt_rand(0,40),
mt_rand(0,120),
mt_rand(0,40), $noise_color);
}
$font_family= "arial.ttf";
echo "Hai";
$textbox = @imagettfbbox($font_size, 0, $font_family, $code) or
die('Error in imagettfbbox function');
imagettftext($image, 20, 0, 11, 21, imagecolorallocate($image,
128, 128,
128), 20, "dggdfg");
$x = ($width - $textbox[4])/2;
$y = ($height - $textbox[5])/2;
imagettftext($image, $font_size, 0, $x, $y, $text_color,
$this->font ,
$code) or die('Error in imagettftext function');
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$_SESSION['security_code'] = $code;
}
function generateCode($characters) {
$possible = '23456789bcdfghjkmnpqrstvwxyz';
$code = '';
$i = 0;
while ($i < $characters) {
$code .= substr($possible, mt_rand(0,
strlen($possible)-1), 1);
$i++;
}
return $code;
}
}
$width = isset($_GET['width']) ? $_GET['width'] : '120';
$height = isset($_GET['height']) ? $_GET['height'] : '40';
$characters = isset($_GET['characters']) && $_GET['characters'] > 1 ?
$_GET['characters'] : '6';
$captcha = new CaptchaSecurityImages();
Expected result:
----------------
server version problem
Actual result:
--------------
I dont know
--
Edit bug report at http://bugs.php.net/bug.php?id=51337&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=51337&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=51337&r=trysnapshot53
Try a snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=51337&r=trysnapshot60
Fixed in SVN:
http://bugs.php.net/fix.php?id=51337&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=51337&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=51337&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=51337&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=51337&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=51337&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=51337&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=51337&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=51337&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=51337&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=51337&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=51337&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=51337&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=51337&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=51337&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=51337&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=51337&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=51337&r=mysqlcfg
