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if (file_exists($file)) {
	$this->file = $file;

	$info = getimagesize($file);

	$this->info = array(
		'width'  => $info[0],
		'height' => $info[1],
		'bits'   => $info['bits'],
		'mime'   => $info['mime']
	);

	$this->image = $this->create($file);
} else {
	exit('Error: Could not load image ' . $file . '!');
}

$mime = $this->info['mime'];

if ($mime == 'image/gif') {
	return imagecreatefromgif($image);
} elseif ($mime == 'image/png') {
	return imagecreatefrompng($image);
} elseif ($mime == 'image/jpeg') {
	return imagecreatefromjpeg($image);
}

$info = pathinfo($file);

$extension = strtolower($info['extension']);

if (is_resource($this->image)) {
	if ($extension == 'jpeg' || $extension == 'jpg') {
		imagejpeg($this->image, $file, $quality);
	} elseif($extension == 'png') {
		imagepng($this->image, $file);
	} elseif($extension == 'gif') {
		imagegif($this->image, $file);
	}

	imagedestroy($this->image);
}

if (!$this->info['width'] || !$this->info['height']) {
	return;
}

$xpos = 0;
$ypos = 0;
$scale = 1;

$scale_w = $width / $this->info['width'];
$scale_h = $height / $this->info['height'];

if ($default == 'w') {
	$scale = $scale_w;
} elseif ($default == 'h'){
	$scale = $scale_h;
} else {
	$scale = min($scale_w, $scale_h);
}

if ($scale == 1 && $scale_h == $scale_w && $this->info['mime'] != 'image/png') {
	return;
}

$new_width = (int)($this->info['width'] * $scale);
$new_height = (int)($this->info['height'] * $scale);			
$xpos = (int)(($width - $new_width) / 2);
$ypos = (int)(($height - $new_height) / 2);

$image_old = $this->image;
$this->image = imagecreatetruecolor($width, $height);

if (isset($this->info['mime']) && $this->info['mime'] == 'image/png') {		
	imagealphablending($this->image, false);
	imagesavealpha($this->image, true);
	$background = imagecolorallocatealpha($this->image, 255, 255, 255, 127);
	imagecolortransparent($this->image, $background);
} else {
	$background = imagecolorallocate($this->image, 255, 255, 255);
}

imagefilledrectangle($this->image, 0, 0, $width, $height, $background);

imagecopyresampled($this->image, $image_old, $xpos, $ypos, 0, 0, $new_width, $new_height, $this->info['width'], $this->info['height']);
imagedestroy($image_old);

$this->info['width']  = $width;
$this->info['height'] = $height;

$watermark = $this->create($file);

$watermark_width = imagesx($watermark);
$watermark_height = imagesy($watermark);

switch($position) {
	case 'topleft':
		$watermark_pos_x = 0;
		$watermark_pos_y = 0;
		break;
	case 'topright':
		$watermark_pos_x = $this->info['width'] - $watermark_width;
		$watermark_pos_y = 0;
		break;
	case 'bottomleft':
		$watermark_pos_x = 0;
		$watermark_pos_y = $this->info['height'] - $watermark_height;
		break;
	case 'bottomright':
		$watermark_pos_x = $this->info['width'] - $watermark_width;
		$watermark_pos_y = $this->info['height'] - $watermark_height;
		break;
}

imagecopy($this->image, $watermark, $watermark_pos_x, $watermark_pos_y, 0, 0, 120, 40);

imagedestroy($watermark);

$image_old = $this->image;
$this->image = imagecreatetruecolor($bottom_x - $top_x, $bottom_y - $top_y);

imagecopy($this->image, $image_old, 0, 0, $top_x, $top_y, $this->info['width'], $this->info['height']);
imagedestroy($image_old);

$this->info['width'] = $bottom_x - $top_x;
$this->info['height'] = $bottom_y - $top_y;

$rgb = $this->html2rgb($color);

$this->image = imagerotate($this->image, $degree, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));

$this->info['width'] = imagesx($this->image);
$this->info['height'] = imagesy($this->image);

imagefilter($this->image, $filter);

$rgb = $this->html2rgb($color);

imagestring($this->image, $size, $x, $y, $text, imagecolorallocate($this->image, $rgb[0], $rgb[1], $rgb[2]));

$merge = $this->create($file);

$merge_width = imagesx($image);
$merge_height = imagesy($image);

imagecopymerge($this->image, $merge, $x, $y, 0, 0, $merge_width, $merge_height, $opacity);

if ($color[0] == '#') {
	$color = substr($color, 1);
}

if (strlen($color) == 6) {
	list($r, $g, $b) = array($color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5]);   
} elseif (strlen($color) == 3) {
	list($r, $g, $b) = array($color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2]);    
} else {
	return false;
}

$r = hexdec($r); 
$g = hexdec($g); 
$b = hexdec($b);    

return array($r, $g, $b);