JPixel

jpixel.php

<?php

	ini_set ( "memory_limit", "1000M");
	set_time_limit ('1000');

	$tmp = $_FILES['file'];
	$type = strtolower(strstr ($tmp['name'], "."));
	
	if ($type == '.jpg' || $type == '.jpeg')
	{
		$image = imagecreatefromjpeg ($tmp['tmp_name']);
	}
	else
	{
		die("Use a jpg. None of this weird " . substr($type, 1) . " shite.");
	}
	
	$width = imagesx ($image);
	$height = imagesy ($image);
	
	if ($width > 500 || $height > 500)
	{
		die("The image is too big. Try keeping it under 500x500, dude.");
	}
	
	$size = 1;
	$im = imagecreatetruecolor ($width*8,$height*8);
	$bg = imagecolorallocate($im, 255, 255, 255);
	for ($y = 0; $y < floor ($height / $size); $y++) {
		for ($x = 0; $x < floor ($width / $size); $x++) {
			$color = imagecolorat ($image, $x * $size, $y * $size);
			$red = ($color >> 16) & 0xFF;
			$green = ($color >> 8) & 0xFF;
			$blue = $color & 0xFF;
			$gray = round (($red + $green + $blue) / 3);
			$rect_color = imagecolorallocate($im, $red, $green, $blue);
			imagefilledrectangle ($im, $x*8, $y*8, ($x+1)*8, ($y+1)*8, $rect_color);
						
			$im2 = imagecreatefromgif ("icons/" . (floor ($gray/4)) . ".gif");
			imagecopy ($im, $im2, $x*8, $y*8, 0, 0, 8, 8);
						
			$rect_color = imagecolorallocatealpha($im, $red, $green, $blue,75);
			imagefilledrectangle ($im, $x*8, $y*8, ($x+1)*8, ($y+1)*8, $rect_color);
		}
	}
	
	header ("Content-type: image/gif");
	imagegif ($im);
	imagedestroy ($im);
	
?>