function &GetThumbnailDim($alias, $ptr)
{
$rc = dmGetCollectionParameters($alias, $name, $path);
if ($rc < 0) {
return -1;
/* no collection permission */
}
$rc = ReadItemDesc($path, $ptr, $data);
if ($rc == -1) {
return -1;
}
$findval = str_replace("&", "&", GetXMLField("find", $data));
$f = explode(".", $findval);
$thumbfile = $path . "/image/" . "icon" . $f[0] . ".jpg";
if (file_exists($thumbfile)) {
$dim = GetImageDimensions($thumbfile);
} else {
$dim = array();
$dim["width"] = 0;
$dim["height"] = 0;
}
return $dim;
}
function dmGetImageInfo($alias, $ptr, &$filename, &$type, &$width, &$height)
{
$rc = dmGetCollectionParameters($alias, $name, $path);
if ($rc < 0) {
return -1;
/* no collection permission */
}
$rc = ReadItemDesc($path, $ptr, $data);
if ($rc == -1) {
return -1;
}
/* FIX to decode ampersands in filenames */
$findval = str_replace("&", "&", GetXMLField("find", $data));
$filename = trim($path . "/image/" . $findval);
$ext = GetFileExt($filename);
if ($ext == "jpg" || $ext == "gif" || $ext == "png" || $ext == "jp2" || $ext == "tif" || $ext == "tiff") {
$type = $ext;
$size = GetImageDimensions($filename);
$width = $size["width"];
$height = $size["height"];
} elseif ($ext == "url") {
$type = "";
$width = 0;
$height = 0;
if (file_exists($filename)) {
$urlFile = fopen($filename, "r");
$n = filesize($filename);
$urlbuffer = fread($urlFile, $n);
fclose($urlFile);
if (strstr($urlbuffer, "about:blank")) {
$type = "null";
}
}
} else {
$type = "";
$width = 0;
$height = 0;
}
}