<?php
class fontGenerator
{
	private $face;
	private $size;
	private $width;
	private $height;
	private $text = array();

	function __construct( $face, $size, $lSpacer = 0 )
	{
		header( 'Content-Type: image/png' );

		$this->face = $face;
		$this->size = $size;
		$this->width = $lSpacer;

		return true;
	}

	public function addText( $str, $colour )
	{
		$this->text[] = array( $str, $colour, $this->width );
		$arr = imagettfbbox( $this->size, 0, $this->face, $str );
		$this->width = abs( $this->width + $arr[ 4 ] );
		$this->height = abs( $arr[ 5 ] - $arr[ 1 ] );

		return true;
	}

	public function generateText()
	{
		$holder = imagecreatetruecolor( $this->width, $this->height );
		imagesavealpha( $holder, true );
		imagefill( $holder, 0, 0, imagecolorallocatealpha( $holder, 0, 0, 0, 127 ) );

		foreach( $this->text as $text )
		{
			$e_colour = explode( ',', $text[ 1 ] );
			$colour = imagecolorallocate( $holder, $e_colour[ 0 ], $e_colour[ 1 ], $e_colour[ 2 ] );
			imagettftext( $holder, $this->size, 0, $text[ 2 ], $this->size - ( $this->size / 20 ), $colour, $this->face, $text[ 0 ] );
		}

		imagepng( $holder );
		imagedestroy( $holder );

	}
}

$fontGenerator = new fontGenerator( 'ARIALNBI.TTF', 150 , 50 );
$fontGenerator->addText( 'Hello ', '1,152,235' );
$fontGenerator->addText( 'james', '70,70,70' );
$fontGenerator->generateText();