Create a method to get Patient json from current patient.

src/patientinformationform.h

@@ -16,9 +16,12 @@ public:
     ~PatientInformationForm();
     void setPatientInformation(PatientInformation* information);
     void setProtocol(int type);
+    const char * getCurrentPatientJsonString(bool emptyScan);
 private:
     Ui::PatientInformationForm *ui;
     PatientInformation* inf = nullptr;
+    int currentProtocol = 0;
+    char * jsonstr = nullptr;
 };
 
 #endif // PATIENTINFORMATIONFORM_H