static function readfile($basefile = NULL, $h = NULL, $w = NULL, $attachment = FALSE)
{
$mime = obje::mime($basefile);
$file = obje::fsPath($basefile);
$attachmentName = basename($file);
if (!file_exists($file)) {
return controller('_404');
}
// print these two headers now since if we can't cache the image we'll return immediately
header("Content-Description: File Transfer");
header("Content-type: {$mime}");
if (!is_null($h) || !is_null($w)) {
switch ($mime) {
case 'image/jpeg':
$img = imagecreatefromjpeg($file);
$outfunc = 'imagejpeg';
break;
case 'image/png':
$img = imagecreatefrompng($file);
$outfunc = 'imagepng';
break;
case 'image/gif':
$img = imagecreatefromgif($file);
$outfunc = 'imagegif';
break;
default:
// some other image format, just print it full sized
return readfile($file);
}
$origwidth = imagesx($img);
$origheight = imagesy($img);
// preserve image aspect ratio while making the image fit within the h & w provided
// both h & w given
if (!is_null($h) && !is_null($w)) {
if ($origwidth > $origheight) {
$newwidth = $w;
$newheight = floor($origheight / ($origwidth / $w));
} else {
$newheight = $h;
$newwidth = floor($origwidth / ($origheight / $h));
}
} else {
if (!is_null($h)) {
$newheight = $h;
$newwidth = floor($origwidth / ($origheight / $h));
} else {
if (!is_null($w)) {
$newwidth = $w;
$newheight = floor($origheight / ($origwidth / $w));
}
}
}
$cachePath = __DIR__ . "/../cache/{$newheight}x{$newwidth}/" . obje::relPath($basefile);
if (file_exists($cachePath)) {
$file = $cachePath;
} else {
$tmpimg = imagecreatetruecolor($newwidth, $newheight);
imagecopyresampled($tmpimg, $img, 0, 0, 0, 0, $newwidth, $newheight, $origwidth, $origheight);
$dir = dirname($cachePath);
@umask(022);
if (!is_dir($dir)) {
@mkdir($dir, 0775, TRUE);
}
if (is_dir($dir)) {
@$outfunc($tmpimg, $cachePath);
}
if (file_exists($cachePath)) {
$file = $cachePath;
} else {
return $outfunc($tmpimg);
}
}
}
header("Content-Length: " . filesize($file));
if ($attachment) {
header("Content-disposition: attachment; filename={$attachmentName}");
}
return readfile($file);
}
function multimedia($id)
{
$_GET = array_merge(array('h' => NULL, 'w' => NULL, 'a' => NULL), $_GET);
$file = join('/', func_get_args());
return obje::readfile($file, $_GET['h'], $_GET['w'], $_GET['a']);
}
