1 /*=========================================================================
4 Module: $RCSfile: gdcmDataEntry.h,v $
6 Date: $Date: 2005/11/21 09:46:25 $
7 Version: $Revision: 1.10 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
19 #ifndef GDCMDATAENTRY_H
20 #define GDCMDATAENTRY_H
22 #include "gdcmDocEntry.h"
28 //-----------------------------------------------------------------------------
30 * \brief Any Dicom Document (File or DicomDir, or ...) contains
31 * a set of DocEntry - Dicom entries -
32 * (when successfuly parsed against a given Dicom dictionary)
33 * DataEntry is an elementary DocEntry (as opposed to SeqEntry).
34 * Depending on the type of its content,
36 class GDCM_EXPORT DataEntry : public DocEntry
38 gdcmTypeMacro(DataEntry);
41 /// \brief Contructs a DataEntry with a RefCounter from DictEntry
42 static DataEntry *New(DictEntry *e) {return new DataEntry(e);}
43 /// \brief Contructs a DataEntry with a RefCounter from DocEntry
44 static DataEntry *New(DocEntry *d) {return new DataEntry(d);}
47 void Print(std::ostream &os = std::cout, std::string const &indent = "");
50 virtual void WriteContent(std::ofstream *fp, FileType filetype);
51 uint32_t ComputeFullLength();
54 // Sets the value (string) of the current Dicom entry
55 //virtual void SetValue(std::string const &val);
56 /// \brief Returns the 'Value' (e.g. "Dupond^Marcel") converted
57 /// into a 'string', event if it's physically stored on disk as an integer
58 /// (e.g. : 0x000c returned as "12")
59 //virtual std::string const &GetValue() const { return Value; }
61 /// \brief Returns the area value of the current Dicom Entry
62 /// when it's not string-translatable (e.g : LUT table, overlay, icon)
63 uint8_t *GetBinArea() { return BinArea; }
64 void SetBinArea( uint8_t *area, bool self = true );
65 void CopyBinArea( uint8_t *area, uint32_t length );
67 void SetValue(const uint32_t &id,const double &val);
68 double GetValue(const uint32_t &id) const;
69 uint32_t GetValueCount(void) const;
70 bool IsValueCountValid() const;
72 void SetString(std::string const &value);
73 std::string const &GetString() const;
75 /// \brief Sets SelfArea
76 void SetSelfArea(bool area) { SelfArea = area; }
77 /// \brief True if Entry owns its BinArea
78 bool IsSelfArea() { return SelfArea; }
80 ///\brief values for current state of a DataEntry (internal use only)
84 STATE_NOTLOADED = 0x01,
89 ///\brief values for current pixel status of a DataEntry (internal use only)
97 /// \brief Sets the state (Loaded, NotLoaded, UnFound, ...) of the DataEntry
98 void SetState(const TValueState &state) { State = state; }
99 /// \brief Returns the state (Loaded, NotLoaded, ...) of the DataEntry
100 const TValueState &GetState() const { return State; }
101 /// \brief true when value Entry not loaded
102 bool IsNotLoaded() { return State == STATE_NOTLOADED; }
103 /// \brief true if Entry not found
104 bool IsUnfound() { return State == STATE_UNFOUND; }
105 /// \brief true if Entry not read
106 bool IsUnread() { return State == STATE_UNREAD; }
107 /// \brief true if Entry value properly loaded
108 bool IsGoodValue() { return State == STATE_LOADED; }
111 /// \brief sets the 'pixel data flag'
112 void SetFlag(const TValueFlag &flag) { Flag = flag; }
113 /// \brief returns the 'pixel data flag'
114 const TValueFlag &GetFlag() const { return Flag; }
115 /// \brief true id Entry is a Pixel Data entry
116 bool IsPixelData() { return (Flag &FLAG_PIXELDATA) != 0; }
118 void Copy(DocEntry *doc);
120 /// \brief returns the size threshold above which an element value
121 /// will NOT be *printed* in order no to polute the screen output
122 static const uint32_t &GetMaxSizePrintEntry() { return MaxSizePrintEntry; }
123 /// \brief Header Elements too long will not be printed
124 static void SetMaxSizePrintEntry(const uint32_t &size)
125 { MaxSizePrintEntry = size; }
128 DataEntry(DictEntry *e);
129 DataEntry(DocEntry *d);
133 void NewBinArea(void);
134 void DeleteBinArea(void);
137 /// \brief memory area to hold 'non std::string' representable values
138 /// (ie : Lookup Tables, overlays, icons)
140 /// \brief Whether DataEntry has its own BinArea or not
142 /// \brief std::string representable value of the Entry.
143 /// Parts of a multivaluated data are separated by back-slash
144 mutable std::string StrArea;
147 /// \brief 0 for straight entries, FLAG_PIXELDATA for Pixel Data entries
149 /// \brief Entry status:STATE_NOTLOADED,STATE_UNFOUND,STATE_UNREAD,STATE_LOADED
152 /// \brief Size threshold above which an element is printed
153 static uint32_t MaxSizePrintEntry;
156 } // end namespace gdcm
158 //-----------------------------------------------------------------------------