/** * Decode the PDU * * @param CDicomStreamReader $stream_reader The stream reader * * @return null */ function decodePDU(CDicomStreamReader $stream_reader) { $this->pdvs = array(); $stream_reader->setStreamLength($this->getTotalLength()); while ($stream_reader->getPos() < $stream_reader->getStreamLength()) { $pdv_length = $stream_reader->readUInt32(); // + 4; //$stream_reader->seek(-4); $pdv_content = $stream_reader->read($pdv_length); $pdv_handle = fopen('php://temp', 'w+'); fwrite($pdv_handle, $pdv_content, $pdv_length); $pdv_stream = new CDicomStreamReader($pdv_handle); $pdv_stream->rewind(); $pdv = new CDicomPDV(array("presentation_contexts" => $this->presentation_contexts, "length" => $pdv_length)); $pdv->decode($pdv_stream); $this->pdvs[] = $pdv; } }
/** * Decode the SOP class common extended negociation item * * @param CDicomStreamReader $stream_reader The stream reader * * @return null */ function decodeItem(CDicomStreamReader $stream_reader) { $this->sop_uid_length = $stream_reader->readUInt16(); $this->sop_class_uid = $stream_reader->readUID($this->sop_uid_length); $this->service_uid_length = $stream_reader->readUInt16(); $this->service_class_uid = $stream_reader->readUID($this->service_uid_length); $this->related_sop_classes_id_length = $stream_reader->readUInt16(); if ($this->related_sop_classes_id_length > 0) { $related_sop_classes_content = $stream_reader->read($this->related_sop_classes_id_length); $handle = fopen("php://temp", "w+"); fwrite($handle, $related_sop_classes_content); $related_sop_classes_stream = new CDicomStreamReader($handle); $this->related_sop_classes_id = array(); while ($related_sop_classes_stream->tell() <= $this->related_sop_classes_id_length) { $related_sop_class_id = new CDicomSubFieldRelatedSopClassIdentification(); $related_sop_class_id->decodeField($related_sop_classes_stream); } } }
/** * Decode the PDV * * @param CDicomStreamReader $stream_reader The stream reader * * @return null */ function decode(CDicomStreamReader $stream_reader) { // On fait un stream temp pour le message //$this->length = $stream_reader->readUInt32(); $this->pres_context_id = $stream_reader->readUInt8(); $this->message_control_header = $stream_reader->readUInt8(); $message_length = $this->length - 2; $message_content = $stream_reader->read($message_length); $handle = fopen("php://temp", "w+"); fwrite($handle, $message_content); $message_stream = new CDicomStreamReader($handle); $message_stream->rewind(); $message_stream->setStreamLength($message_length); if (!($this->transfer_syntax = $this->getTransferSyntax())) { /** @todo throw exception **/ } $this->message = CDicomMessageFactory::decodeMessage($message_stream, $this->message_control_header, $this->transfer_syntax); $message_stream->close(); $content = substr($stream_reader->buf, 13) . $message_stream->buf; $this->setBinaryContent($content); }