SAP Inside Track Logo Generator

logo.php

<?php  
    /** 
     * @author Nigel James 
     * @email  nigel.james@sapinsidetrack.org 
     * @date   15 Apr 2013 
     *  
     * Create an image for SAP Inside Track events with Year and City 
     */  
      
    function LoadPNG($pngName)  
    {  
        /* Attempt to open */  
        $im = @imagecreatefrompng($pngName);  
      
        /* See if it failed */  
        if(!$im)  
        {  
            /* Create a blank image */  
            $im  = imagecreatetruecolor(150, 30);  
            $bgc = imagecolorallocate($im, 255, 255, 255);  
            $tc  = imagecolorallocate($im, 0, 0, 0);  
      
      
            imagefilledrectangle($im, 0, 0, 150, 30, $bgc);  
      
            /* Output an error message */  
            imagestring($im, 1, 5, 5, 'Error loading ' . $pngName, $tc);  
        }  
      
        return $im;  
    } // LoadPNG  
      
    // set headers  
    header('Content-Type: image/png');  
      
    $logo = LoadPNG('sapitlogobase.png');  
      
    // get year and city validate and  sanitise  
    $_year = $_GET['year'];  
    $_city = $_GET['city'];  
      
    // year   
    $yearText = (int) $_year;  
    if ($yearText == '0') {  
        $yearText = '';  
    }  
      
    // city - uppercase and sanitised  
    $cityText = htmlspecialchars(strtoupper($_city));      
      
      
    // get the text on the image  
    $yearColour = imagecolorallocate($logo, 0x6b, 0x6b, 0x6b); // web #6b6B6B  
    $cityColour = imagecolorallocate($logo, 0xF0, 0xAB, 0x00); // web #F0AB00  
      
    $font = 'ArialBold.ttf';  
      
    //imagettftext ( resource $image , float $size , float $angle , int $x , int $y , int $color , string $fontfile , string $text )  
    imagettftext($logo, 30, 0, 370, 35, $yearColour, $font, $yearText);  
    imagettftext($logo, 20, 0, 6, 60, $cityColour, $font, $cityText);  
      
    imagepng($logo);  
    imagedestroy($logo);  
      
    ?>