<?php

function hex2bin ($RawInput)
{
	$BinStr = '';
	for ($i = 0; $i < strlen ($RawInput); $i += 2)
		$BinStr .= '%'.substr ($RawInput, $i, 2);

	return rawurldecode ($BinStr);
}

function binhex($bin) {
   $hex = dechex(bindec($bin));
   return $hex;
} 

$size = 40;
$pixelSize=$size/8;
$hex = $_GET['decode'];
function color($mark) {
    if($mark == 0){$color = "#ffffff";}
    if($mark == 1){$color = "#000000";}
    if($mark == 2){$color = "#8c8a8d";}
    if($mark == 3){$color = "#ffffff";}
    if($mark == 4){$color = "#fe0000";}
    if($mark == 5){$color = "#ff8a00";}
    if($mark == 6){$color = "#ffff00";}
    if($mark == 7){$color = "#8cff01";}
    if($mark == 8){$color = "#00ff00";}
    if($mark == 9){$color = "#01ff8d";}
    if($mark == 'a'){$color = "#00ffff";}
    if($mark == 'b'){$color = "#008aff";}
    if($mark == 'c'){$color = "#0000fe";}
    if($mark == 'd'){$color = "#8c00ff";}
    if($mark == 'e'){$color = "#ff00fe";}
    if($mark == 'f'){$color = "#ff008c";}
    return $color;
}
for ($y=0;$y<8;$y++){
    for ($x=0;$x<8;$x++){
        $offset=($y*8)+$x;
        $Cuadrilla8x8[$y][$x]=substr($hex, $offset, 1);
    }
}
$SuperCuadrilla=array();
for ($y=1; $y<=8; $y++) {
    for ($x=1;$x<=8;$x++){
        $bit=$Cuadrilla8x8[$y-1][$x-1];
        for ($repiteY=0; $repiteY<$pixelSize; $repiteY++) {
            for ($repite=0; $repite<$pixelSize; $repite++) {
                $translatedY=((($y-1)*$pixelSize)+$repiteY);
                $translatedX=((($x-1)*$pixelSize)+$repite);
                $SuperCuadrilla[$translatedY][$translatedX]=$bit;
            }
        }
    }
}
$img=ImageCreate($size,$size);
for ($y=0;$y<$size;$y++) {
    for ($x=0;$x<$size;$x++) {
        $bit=$SuperCuadrilla[$y][$x];
        $color=substr(color($bit),1);
        $r=substr($color,0,2);
        $g=substr($color,2,2);
        $b=substr($color,4,2);
        $superPixel=ImageCreate(1,1);
        $cl=imageColorAllocateAlpha($superPixel,hexdec($r),hexdec($g),hexdec($b),0);
        ImageFilledRectangle($superPixel,0,0,1,1,$cl);
        ImageCopy($img,$superPixel,$x,$y,0,0,1,1);
        ImageDestroy($superPixel);
    }
}
header("Content-type: image/jpeg");
ImageRectangle($img,0,0,$size-1,$size-1,ImageColorAllocate($img,0,0,0));
imagecolortransparent($img, 'FFFFFF');
ImageGif($img);
?>