<?php
/**
 * Example Helper class with text rendering functions specific to MySite
 */
class MySiteHelper extends Helper
{	
	
	var $helpers = array('TextImage');

	/**
	* Render text as an image in the headline typeface
	* And return the image as an HTML tag.
	*/
	function renderHeadline($text)
	{
		return $this->__renderText($text, 48, "headlines", 3, array(1,0,-4,0));
	}	
	
	function renderSub($text, $maxWidth = 270)
	{
		return $this->__renderText($text, 24, "subheadlines", 5, array(0,0,-4,0), $maxWidth);
	}	
	
	function renderSmall($text, $maxWidth = 270)
	{
		$this->TextImage->linespacing = 1;
		return $this->__renderText($text, 14, "small_text", 5, array(0,0,0,0), $maxWidth);
	}
	
	function __renderText($text, $ps, $dir, $softenFactor, $margins, $maxWidth = FULL_WIDTH)
	{
		$this->TextImage->setImageDirectory("dynimg/$dir/");
		$this->TextImage->fontFile = 'myFont.ttf';
		$this->TextImage->softenFactor = $softenFactor;
		$this->TextImage->setPointSize($ps);
		$this->TextImage->setColor(333333);
		$this->TextImage->setPadding($margins[0], $margins[1],$margins[2],$margins[3]);
		return $this->TextImage->image($text, $maxWidth);
	}	

}