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'].$this->fontsettings['shadow'].$this->fontsettings['shadow-color'].$this->text);
$this->file = CACHE_DIR."/$hash.png";
if(file_exists($this->file)){
if(isset($_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{
self::fetchImage();
}
} else {
self::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
";
}
}
/** Description
* Creates a png image from a text string using truetype fonts and writes the file to cache
*/
private function text2Image(){
$image = new Imagick();
$draw = new ImagickDraw();
$draw->setGravity(Imagick::GRAVITY_WEST);
$draw->setFillColor(new ImagickPixel("#".$this->fontsettings['color']));
$draw->setFontSize($this->fontsettings['font-size']);
$draw->setFont(FONT_DIR."/".$this->fontsettings['font-name'].".ttf");
if($this->fontsettings['shadow']){
$shadow = new ImagickDraw();
$shadow->setGravity(Imagick::GRAVITY_WEST);
$shadow->setFillColor(new ImagickPixel("#".$this->fontsettings['shadow-color']));
$shadow->setFontSize($this->fontsettings['font-size']);
$shadow->setFont(FONT_DIR."/".$this->fontsettings['font-name'].".ttf");
$fm = $image->queryFontMetrics($shadow, $this->text, false);
$width = $fm["textWidth"]+2;
$height = $fm["textHeight"]+2;
} else {
$fm = $image->queryFontMetrics($draw, $this->text, false);
$width = $fm["textWidth"];
$height = $fm["textHeight"];
}
$image->newImage($width, $height, "transparent", "png");
$this->fontsettings['shadow'] ? $image->annotateImage($shadow, 1, 1, 0, $this->text) : 0;
$image->annotateImage($draw, 0, 0, 0, $this->text);
$image->writeImage($this->file);
if(file_exists($this->file)){
self::fetchImage();
}
}
/** Description
* Fetches the image from cache and delivers it to the browser along with the required headers.
* @return PNG image
*/
private function fetchImage(){
$image = !$this->gzip ? file_get_contents($this->file) : gzencode(file_get_contents($this->file));
$this->gzip ? header('Content-encoding: gzip') : 0;
header('Content-type: image/png');
header('Content-length: '.strlen($image));
header('Last-Modified: '.gmdate('D, d M Y H:i:s', filemtime($this->file)).' GMT');
print($image);
}
}
?>