Error with Font and imagettfbbox

Posted on 16th Feb 2014 07:03 pm by admin

I keep getting an error that says "Warning: imagettfbbox() [function.imagettfbbox]: Could not find/open font in /home/a6079442/public_html/rebuild/includes/csi.php on line 48
Error in imagettfbbox function"

I am trying to include a captcha image in this form, and it just doesn't seem to be working. I've got csi.php included on FormToEmail.php

url: http://inferium.site11.com/rebuild/contactform.php

Here is my code for the form page:

Code: <?php

print_r($_POST);
session_start(); //check the captcha

if(!empty($_SESSION['sc'])&&$_SESSION['sc']==$_POST['sc']){unset($_SESSION['sc']); print 'captcha is right';} else {$valCheck=false;$appMessage='Sorry, you have provided an invalid security code';}
?>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html class="embed firefox" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>
want to advertise? contact us!
</title>


<meta name="robots" content="noindex, nofollow, noarchive">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">


<link rel="stylesheet" href="contactform/dynamic.css" type="text/css">
<link rel="stylesheet" href="contactform/theme.css" type="text/css">
<link rel="stylesheet" href="contactform/wufoo.css" type="text/css">


<script type="text/javascript" src="contactform/dynamic.js"></script>
</head><body id="public">

<div id="container">

<form class="wufoo topLabel page1" autocomplete="off" enctype="multipart/form-data" method="post" action="FormToEmail.php">

<div class="info">
<h2>want to advertise? contact us!</h2>
<div></div>
</div>

<ul>

<li id="fo1li108" class=" ">
<label class="desc" id="title108" for="Field108">
your name:
</label>
<div>
<input id="name" name="name" class="field text medium" maxlength="255" tabindex="1" type="text">
</div>
</li>

<li id="fo1li6" class=" ">
<label class="desc" id="title6" for="Field6">
your email:
</label>
<div>
<input id="email" name="email" class="field text large" maxlength="255" tabindex="2" type="text">
</div>
<p class="instruct" id="instruct6"><small>We won't share this with strangers.</small></p>
</li>

<li id="fo1li112" class=" ">
<label class="desc" id="title112" for="Field112">
your phone:
</label>
<div>
<input id="phone" name="phone" class="field text medium" maxlength="255" tabindex="3" type="text">
</div>
</li>

<li id="fo1li109" class=" ">
<label class="desc" id="title109" for="Field109">
name of your mgmt:
</label>
<div>
<input id="management" name="management" class="field text medium" maxlength="255" tabindex="4" type="text">
</div>
</li>

<li id="fo1li110" class=" ">
<label class="desc" id="title110" for="Field110">
cities your properties are located in:
</label>
<div>
<input id="property_locations" name="property_locations" class="field text medium" maxlength="255" tabindex="5" type="text">
</div>
</li>

<li id="fo1li1" class=" ">

<label class="desc" id="title1" for="Field1">
specific questions or needs:
<span id="req_1" class="req">*</span>
</label>

<div>
<textarea id="questions" name="questions" style="border:0px;background-color:#FFFFFF;" rows="2" cols="50" tabindex="6"></textarea>

</div>

<p class="instruct" id="instruct1"><small>This field is required.</small></p>

</li>

<li class=" ">
<img src="includes/csi.php?w=100&h=40&chr=5" alt="" />
<label class="desc">
please enter the code from above:
</label>
<input type="text" name="sc" id="sc" style="border:0px;background-color:#FFFFFF;" maxlength="255" />

</li>
<li class="buttons">
<input name="currentPage" id="currentPage" value="GI0jR8qooTIIfP2hij1KYssRL4qyfwuBe5cnwuBewqGlzjUSE=" type="hidden">
<input id="saveForm" name="saveForm" class="btTxt submit" value="submit your inquiry" type="submit">

</li>

<li style="display: none;">
<label for="comment">Do Not Fill This Out</label>
<textarea name="comment" id="comment" rows="1" cols="1"></textarea>
<input id="idstamp" name="idstamp" value="VuXFID/UrijtCYffVp7xRB3O98Q+v/DvyIxYt88ZyXM=" type="hidden">
</li>
</ul>
</form>

</div>
<img id="bottom" src="contactform/bottom.png" alt="">
<script type="text/javascript">
__EMBEDKEY = "false"
</script></body></html>
Also, here is the code to csi.php:

Code:<?php

session_start();

class csi
{
public $font = 'mf.ttf';

public function generateCode($characters)
{
/* list all possible characters, similar looking characters and vowels have been removed */
$possible = '23456789bcdfghjkmnpqrstvwxyz';
$code = '';
$i = 0;
while ($i < $characters)
{
$code .= substr($possible, mt_rand(0, strlen($possible)-1), 1);
$i++;
}
return $code;
}

public function csi($width='120',$height='40',$characters='6')
{
$code = $this->generateCode($characters);

/* font size will be 75% of the image height */
$font_size = $height * 0.75;
$image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream');

/* set the colours */
$background_color = imagecolorallocate($image, 255, 255, 255);
$text_color = imagecolorallocate($image, 20, 40, 100);
$noise_color = imagecolorallocate($image, 100, 120, 180);

/* generate random dots in background */
for( $i=0; $i<($width*$height)/3; $i++ )
{
imagefilledellipse($image, mt_rand(0,$width), mt_rand(0,$height), 1, 1, $noise_color);
}
/* generate random lines in background */
for( $i=0; $i<($width*$height)/150; $i++ )
{
imageline($image, mt_rand(0,$width), mt_rand(0,$height), mt_rand(0,$width), mt_rand(0,$height), $noise_color);
}

/* create textbox and add text */
$textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function');
$x = ($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');

/* output captcha image to browser */
header('Content-Type: image/jpeg');
imagejpeg($image);
imagedestroy($image);
$_SESSION['sc'] = $code;
}

}

$width = isset($_GET['w']) ? $_GET['w'] : '120';
$height = isset($_GET['h']) ? $_GET['h'] : '40';
$characters = isset($_GET['chr']) && $_GET['chr'] > 1 ? $_GET['chr'] : '6';
$captcha = new csi($width,$height,$characters);

?>

Any help with this would be much appreciated

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