/**
* Decode the User Information
*
* @param CDicomStreamReader $stream_reader The stream reader
*
* @return null
*/
function decodeItem(CDicomStreamReader $stream_reader)
{
$this->sub_items = CDicomPDUItemFactory::decodeConsecutiveItemsByLength($stream_reader, $this->length);
}
/**
* Decode the Presentation Syntax
*
* @param CDicomStreamReader $stream_reader The stream reader
*
* @return void
*/
function decodeItem(CDicomStreamReader $stream_reader)
{
$this->id = $stream_reader->readUInt8();
$stream_reader->skip(3);
$this->abstract_syntax = CDicomPDUItemFactory::decodeItem($stream_reader);
$this->transfer_syntaxes = CDicomPDUItemFactory::decodeConsecutiveItemsByType($stream_reader, 0x40);
}
/**
* Decode the Presentation Syntax
*
* @param CDicomStreamReader $stream_reader The stream reader
*
* @return null
*/
function decodeItem(CDicomStreamReader $stream_reader)
{
$this->id = $stream_reader->readUInt8();
$stream_reader->skip(1);
$this->reason = $stream_reader->readUInt8();
$stream_reader->skip(1);
$this->transfer_syntax = CDicomPDUItemFactory::decodeItem($stream_reader);
}
/**
* Read the type of an item. If a item type has been read but not decoded, it returns this type.
*
* @param CDicomStreamReader $stream_reader The stream reader
*
* @return string The name of the item class
*/
static function readItemType(CDicomStreamReader $stream_reader)
{
$item_type = null;
if (!self::$next_item) {
$tmp = $stream_reader->readUInt8();
$stream_reader->skip(1);
if (!$tmp) {
return false;
}
$item_type = self::getItemClass($tmp);
//$stream_reader->readHexByte()];
} else {
$item_type = self::$next_item;
self::$next_item = null;
}
return $item_type;
}
/**
* Decode the PDU
*
* @param CDicomStreamReader $stream_reader The stream reader
*
* @return void
*/
function decodePDU(CDicomStreamReader $stream_reader)
{
$this->protocol_version = $stream_reader->readUInt16();
$stream_reader->skip(2);
$this->called_AE_title = $stream_reader->readString(16);
// On test si called_AE_title = AE title du serveur
$this->calling_AE_title = $stream_reader->readString(16);
// On passe 32 octets, réservés par Dicom
$stream_reader->skip(32);
$this->application_context = CDicomPDUItemFactory::decodeItem($stream_reader);
$this->presentation_contexts = CDicomPDUItemFactory::decodeConsecutiveItemsByType($stream_reader, 0x20);
$this->user_info = CDicomPDUItemFactory::decodeItem($stream_reader);
}
/**
* Decode the PDU
*
* @param CDicomStreamReader $stream_reader The stream reader
*
* @return void
*/
function decodePDU(CDicomStreamReader $stream_reader)
{
$this->protocol_version = $stream_reader->readUInt16();
// On vérifie que la version du protocole est bien 0001
if ($this->protocol_version != 0x1) {
// Erreur
echo "Protocol version differente de 1";
}
$stream_reader->skip(2);
$this->called_AE_title = $stream_reader->readString(16);
// On test si called_AE_title = AE title du serveur
$this->calling_AE_title = $stream_reader->readString(16);
// On passe 32 octets, réservés par Dicom
$stream_reader->skip(32);
$this->application_context = CDicomPDUItemFactory::decodeItem($stream_reader);
$this->presentation_contexts = CDicomPDUItemFactory::decodeConsecutiveItemsByType($stream_reader, 0x21);
$this->user_info = CDicomPDUItemFactory::decodeItem($stream_reader);
}
