[SOLVED] Error with Font and imagettfbbox

inferium · November 10, 2009

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:

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

<!-- CSS -->
<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">

<!-- JavaScript -->
<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><!--container-->
<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:

<?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

inferium · November 11, 2009

I am still having trouble with this. Could somebody help me please?

Daniel0 · November 11, 2009

Well, did you check that it exists? Where have you put the font file?

inferium · November 11, 2009

Ah, I found the problem. The syntax just wasn't set up right. I ended up making the action of the form "contactform.php", and then the top of the page looks like this:

<?php 
session_start();

if( isset($_POST['submit'])) {	
//check the captcha 
if(($_SESSION['sc'] == $_POST['sc']) && (!empty($_SESSION['sc'])) )  
{ 
unset($_SESSION['sc']); 
include 'FormToEmail.php';
}  
else  
{ 
echo 'Sorry, you have provided an invalid security code. <a href="contactform.php">click here to try again</a>'; 
} 
} else {
?>

Guess I'll know better than to trust someone else's coding next time.

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[SOLVED] Error with Font and imagettfbbox

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