text = $text : 0;
isset($style) ? $this->style = $style : 0;
isset($gzip) ? $this->gzip = $gzip : 0;
$stylesheet = FONT_DIR."/styles.ini";
if(file_exists($stylesheet)){
$styles = parse_ini_file($stylesheet, true);
if(isset($styles[$this->style])){
$this->fontsettings = $styles[$this->style];
if($this->style == "admin"){
$this->fontsettings['font-name'] = $this->text;
}
$hash = md5(basename($this->fontsettings['font-name']).$this->fontsettings['color'].$this->fontsettings['font-size'].$this->fontsettings['shadow-color'].$this->text);
$this->etag = $hash;
$this->cache_file = CACHE_DIR."/$hash.png";
if(file_exists($this->cache_file)){
if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && $_SERVER['HTTP_IF_MODIFIED_SINCE'] == gmdate('D, d M Y H:i:s', filemtime($this->file)).' GMT'){
header("HTTP/1.0 304 Not Modified");
} else{
$this->fetchImage();
}
} else {
$this->text2Image();
}
}else{
header("HTTP/1.0 404 Not Found");
echo "Error 404 - Not Found
";
}
} else {
header("HTTP/1.0 404 Not Found");
echo "Error 404 - Not Found
";
}
}
function text2Image(){
$style = $this->style;
$font = FONT_DIR."/".$this->fontsettings['font-name'].".ttf";
$text = get_magic_quotes_gpc() ?$this->clean_text() : $this->text;
$size = $this->fontsettings['font-size'];
$box = ImageTTFBBox($size, 0, $font, $text);
$width = abs($box[0]) + abs($box[2]);
$test_chars = 'abcdefghijklmnopqrstuvwxyz' .
'ABCDEFGHIJKLMNOPQRSTUVWXYZ' .
'1234567890' .
'!@#$%^&*()\'"\\/;.,`~<>[]{}-+_-=' ;
$box = @ImageTTFBBox($size, 0, $font, $test_chars);
$dip = abs($box[3]);
$box = ImageTTFBBox($size, 0, $font, $text);
$lowheight = abs($box[5]-$dip);
$height = abs($box[5]);
!$leading ? $leading = round($lowheight*.2) : 0;
$img = imagecreate($width, $lowheight + $leading);
$color = $this->hex_to_rgb($this->fontsettings['color']);
$background = $this->hex_to_rgb($this->fontsettings['shadow-color']);
$color1 = imagecolorallocate($img, $background[0], $background[1], $background[2]);
$color2 = imagecolorallocate($img, $color[0], $color[1], $color[2]);
imagecolortransparent($img, $color1);
imagettftext($img, $size, 0, 0, $height + $leading, $color2, $font, $text);
@imagepng($img, $this->cache_file);
imagedestroy($img);
$this->fetchImage();
}
function fetchImage(){
$image = !$this->gzip ? file_get_contents($this->cache_file) : gzencode(file_get_contents($this->cache_file));
header('X-Generated-By: AnyFont for WordPress');
$this->gzip ? header('Content-encoding: gzip') : 0;
header('Content-type: image/png');
header('Content-length: '.strlen($image));
header('Last-Modified: '.gmdate('D, d M Y H:i:s', filemtime($this->cache_file)).' GMT');
header('Etag: '.$this->etag);
print($image);
}
/** Description: Strips slashes and other "bad" characters from a text string for image creation
* @param string
* @return string of plain text
*/
function clean_text(){
$this->text = stripslashes($this->text);
$matches = null;
preg_match_all('/%u([0-9A-F]{4})/i',$this->text,$matches);
if(!empty($matches)) for($i=0;$itext = str_replace($matches[0][$i],'&#'.hexdec($matches[1][$i]).';',$this->text);
return $this->text;
}
/** Description: Method to convert colours from the hex format to RGB
* @param var hex colour definition
* @return var RBG Colour Definition
*/
function hex_to_rgb($hex){
substr($hex,0,1) == '#' ? $hex = substr($hex,1) : 0;
if(strlen($hex) == 3){
$hex = substr($hex,0,1) . substr($hex,0,1).
substr($hex,1,1) . substr($hex,1,1).
substr($hex,2,1) . substr($hex,2,1);
}
strlen($hex) != 6 ? $error = 'Error: Invalid color "'.$hex.'"' : 0 ;
$rgb[] = hexdec(substr($hex,0,2));
$rgb[] = hexdec(substr($hex,2,2));
$rgb[] = hexdec(substr($hex,4,2));
return $rgb;
}
}
?>