/**
* Return image info hash. If image is not detected and abort=false, return
* width=height=0 and suffix=mime=file=''.
*
* @param string $file
* @param boolean $abort
* @return map (width, height, mime, suffix, file)
*/
public static function imageInfo($file, $abort = true)
{
FSEntry::isFile($file);
$info = getimagesize($file);
$res = array('width' => 0, 'height' => 0, 'mime' => '', 'suffix' => '', 'file' => '');
if ($info === false || empty($info[0]) || empty($info[1]) || empty($info[2]) || empty($info['mime'])) {
if ($abort) {
throw new Exception('invalid image', $file . ': ' . print_r($info, true));
} else {
return $res;
}
}
if ($info[0] < 1 || $info[0] > 40000) {
throw new Exception('invalid image width', $file . ': ' . $info[0]);
}
if ($info[1] < 1 || $info[1] > 40000) {
throw new Exception('invalid image heigth', $file . ': ' . $info[1]);
}
$res['file'] = $file;
$res['width'] = $info[0];
$res['height'] = $info[1];
$res['mime'] = $info['mime'];
$mime_suffix = array('image/png' => '.png', 'image/jpeg' => '.jpg', 'image/gif' => '.gif', 'image/tiff' => '.tif', 'image/jp2' => '.jp2', 'image/jpx' => '.jpx', 'image/x-ms-bmp' => '.bmp', 'image/x-photoshop' => '.psd', 'image/x-xbitmap' => '.xbm');
$suffix_map = array(1 => '.gif', 2 => '.jpg', 3 => '.png', 4 => '.swf', 5 => '.psd', 6 => '.bmp', 7 => '.tif', 8 => '.tif', 9 => '.jpc', 10 => '.jp2', 11 => '.jpx', 12 => '.jb2', 13 => '.swc', 14 => '.iff', 15 => '.bmp', 16 => '.xbm', 17 => '.ico');
if (isset($mime_suffix[$info['mime']])) {
$res['suffix'] = $mime_suffix[$info['mime']];
} else {
if (isset($suffix_map[$info[2]])) {
$res['suffix'] = $suffix_map[$info[2]];
} else {
$suffix = File::suffix($file, true);
if ($suffix == '.jpeg') {
$suffix = '.jpg';
} else {
if ($suffix == '.tiff') {
$suffix = '.tif';
}
}
$res['suffix'] = $suffix;
}
}
return $res;
}
/**
* Return files in directory with suffix in suffix_list.
*
* @collect: split basename at [_] and return hash { basename: [file, file2, ...], ... }
*
* @param string $path
* @param array $suffix_list e.g. (jpg,png) or (.jpg,.png) - default = []
* @param string $rel_dir (default = '') - if set remove rel_dir in every entry
* @return array
*/
public static function scanDir($path, $suffix_list = array(), $rel_dir = '')
{
self::_fix_suffix_list($suffix_list);
$entries = Dir::entries($path);
$found = array();
foreach ($entries as $entry) {
if (FSEntry::isFile($entry, false) && in_array(File::suffix($entry), $suffix_list)) {
if ($rel_dir) {
array_push($found, str_replace($rel_dir, '', $entry));
} else {
array_push($found, $entry);
}
}
}
return $found;
}
