#!/usr/bin/php5
<?php

function unistr_to_ords($str, $encoding = 'UTF-8'){       
	$str = mb_convert_encoding($str, "UCS-4BE", $encoding);
	$result = array();

	for ($i = 0; $i < mb_strlen($str, "UCS-4BE"); $i++){       
		$c = mb_substr($str, $i, 1, "UCS-4BE");                   
		$val = unpack("N", $c);           
		$result[] = $val[1];               
	}       
	return $result;
}


if ($argc < 3) {
	die("Too few arguments.\nUsage: cmd <path of font> <utf8 string>\n");
}

$cv = caca_create_canvas(0, 0);

if (!caca_canvas_set_figfont($cv, $argv[1])) {
	die("Could not open font\n");
}

$chars = unistr_to_ords($argv[2]);
$color = 0;
foreach ($chars as $c) {
	caca_set_color_ansi($cv, 1 + (($color += 4) % 15), CACA_TRANSPARENT);
	caca_put_figchar($cv, $c);
}

echo caca_export_string($cv, "utf8");

?>