<?php
include "image-functions.php";

header("Content-type: image/png");

$width      = isset($_GET['width'])     ? $_GET['width']     : 100;
$height     = isset($_GET['height'])    ? $_GET['height']    : 7;
$direction  = isset($_GET['direction']) ? $_GET['direction'] : 1;


if($direction == 1) {
   $colorLeft = Color::$BLACK;
   $colorRight= Color::$TRANS;	
} else {
   $colorLeft = Color::$TRANS;
   $colorRight= Color::$BLACK;
}
$color = new Color(107, 146, 168);
$fill  = ImageGenerator::createRectangle($width, $height, $color);
$line  = ImageGenerator::createLine(0,0, $width, 0, Color::$WHITE);
$fill->merge($line, 0, 0);
$fill->merge($line, 0, $height-1);

$image = ImageGenerator::createGradientImage($width,     $height,
                                             $colorLeft, $colorRight,
                                             $colorLeft, $colorRight);
						 
$image->fill($fill);

imagePNG($image->imageData);

?>