blob: f109cec5949ecb611aa9ba539513c32082e17511 [file] [log] [blame]
<?php
$id = isset($_GET['id']) ? $_GET['id'] : 9;
// 2^0 (not hidden) and 2^9 (fully hidden)
$hidden = (int)rand(1,512);
$bits = decbin($hidden);
while (strlen($bits) < 9) $bits = '0' . $bits;
$i = 0;
?>
<style>
img.black {
filter: brightness(0%);
}
</style>
<form action="collage.php" method="GET">
<input type="text" name="id" placeholder="Poseu un nĂºmero de l'1 al 113..." />
<input type="submit" value="Actualitza foto" />
</form>
<table cellspacing="0" cellpadding="0">
<tr>
<td><img src="./imgs/<?=$id?>/slice_01_01.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
<td><img src="./imgs/<?=$id?>/slice_01_02.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
<td><img src="./imgs/<?=$id?>/slice_01_03.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
</tr>
<tr>
<td><img src="./imgs/<?=$id?>/slice_02_01.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
<td><img src="./imgs/<?=$id?>/slice_02_02.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
<td><img src="./imgs/<?=$id?>/slice_02_03.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
</tr>
<tr>
<td><img src="./imgs/<?=$id?>/slice_03_01.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
<td><img src="./imgs/<?=$id?>/slice_03_02.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
<td><img src="./imgs/<?=$id?>/slice_03_03.png" width="33" class="<?=(int)$bits[$i++] ? 'black' : ''?>" /></td>
</tr>
</table>