slice-image

<?php
// voorbeeld slice('test.jpg',9,60);
// maakt van test.jpg 9 images,met als quality=60, in een blok van 3x3 images
slice('test.jpg',9,60);
 
?>
<table width="480" border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td><img src="sliced/00.jpg" width="160" height="120" /></td>
    <td><img src="sliced/10.jpg" width="160" height="120" /></td>
    <td><img src="sliced/20.jpg" width="160" height="120" /></td>
  </tr>
  <tr>
    <td><img src="sliced/01.jpg" width="160" height="120" /></td>
    <td><img src="sliced/11.jpg" width="160" height="120" /></td>
    <td><img src="sliced/21.jpg" width="160" height="120" /></td>
  </tr>
  <tr>
    <td><img src="sliced/02.jpg" width="160" height="120" /></td>
    <td><img src="sliced/12.jpg" width="160" height="120" /></td>
    <td><img src="sliced/22.jpg" width="160" height="120" /></td>
  </tr>
</table>
<?php

function cropimage($source,$x,$y,$w,$h,$piece,$quality){
    list($width, $height) = getimagesize($source);
    $image_p = imagecreatetruecolor($w, $h);
    $image = imagecreatefromjpeg($source);
    imagecopyresampled($image_p, $image, 0, 0, $x, $y, $w, $h, $w, $h);
    return imagejpeg($image_p, $piece, $quality);
}

function slice($source,$parts,$quality){
    if(!is_dir('sliced')) $dir = mkdir('sliced',0777);
    list($imw,$imh) = getimagesize($source);
    $newwidth = round($imw/sqrt($parts));
    $newheight = round($imh/sqrt($parts));
    for ($i=0;$i<sqrt($parts);$i++){
        for ($j=0;$j<sqrt($parts);$j++){
            $piece = 'sliced/'. $i.$j.'.jpg';
            cropimage($source,$i*$newwidth,$j*$newheight,$newwidth,$newheight,$piece,$quality);
            }
        }    
}
?>