1 /*=========================================================================
4 Module: $RCSfile: gdcmFileHelper.h,v $
6 Date: $Date: 2005/10/25 14:52:34 $
7 Version: $Revision: 1.29 $
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 GDCMFILEHELPER_H
20 #define GDCMFILEHELPER_H
22 #include "gdcmDebug.h"
23 #include "gdcmRefCounter.h"
31 class PixelReadConvert;
32 class PixelWriteConvert;
33 class DocEntryArchive;
35 typedef void (*VOID_FUNCTION_PUINT8_PFILE_POINTER)(uint8_t *, File *);
37 //-----------------------------------------------------------------------------
39 * \brief In addition to Dicom header exploration, this class is designed
40 * for accessing the image/volume content. One can also use it to
41 * write Dicom/ACR-NEMA/RAW files.
43 class GDCM_EXPORT FileHelper : public RefCounter
45 gdcmTypeMacro(FileHelper);
55 static FileHelper *New() {return new FileHelper();}
56 static FileHelper *New(File *header) {return new FileHelper(header);}
58 virtual ~FileHelper();
60 void Print(std::ostream &os = std::cout, std::string const &indent = "");
62 /// Accessor to \ref File
63 File *GetFile() { return FileInternal; }
66 void SetLoadMode(int loadMode);
67 void SetFileName(std::string const &fileName);
69 /// to allow user to modify pixel order (e.g. Mirror, TopDown,...)
70 void SetUserFunction( VOID_FUNCTION_PUINT8_PFILE_POINTER userFunc )
71 { UserFunction = userFunc; }
73 bool SetEntryString(std::string const &content,
74 uint16_t group, uint16_t elem);
75 bool SetEntryBinArea(uint8_t *content, int lgth,
76 uint16_t group, uint16_t elem);
78 DataEntry *InsertEntryString(std::string const &content,
79 uint16_t group, uint16_t elem);
80 DataEntry *InsertEntryBinArea(uint8_t *binArea, int lgth,
81 uint16_t group, uint16_t elem);
82 SeqEntry *InsertSeqEntry(uint16_t group, uint16_t elem);
85 size_t GetImageDataSize();
86 size_t GetImageDataRawSize();
88 uint8_t *GetImageData();
89 uint8_t *GetImageDataRaw();
91 GDCM_LEGACY(size_t GetImageDataIntoVector(void *destination,size_t maxSize));
93 void SetImageData(uint8_t *data, size_t expectedSize);
96 void SetUserData(uint8_t *data, size_t expectedSize);
97 uint8_t *GetUserData();
98 size_t GetUserDataSize();
99 // RBG data (from file)
100 uint8_t *GetRGBData();
101 size_t GetRGBDataSize();
102 // RAW data (from file)
103 uint8_t *GetRawData();
104 size_t GetRawDataSize();
107 uint8_t* GetLutRGBA();
108 int GetLutItemNumber();
109 int GetLutItemSize();
113 /// \brief Tells the writer we want to keep 'Grey pixels + Palettes color'
114 /// when possible (as opposed to convert 'Palettes color' to RGB)
115 void SetWriteModeToRaw() { SetWriteMode(WMODE_RAW); }
116 /// \brief Tells the writer we want to write RGB image when possible
117 /// (as opposed to 'Grey pixels + Palettes color')
118 void SetWriteModeToRGB() { SetWriteMode(WMODE_RGB); }
119 /// \brief Sets the Write Mode ( )
120 void SetWriteMode(FileMode mode) { WriteMode = mode; }
121 /// \brief Gets the Write Mode ( )
122 FileMode GetWriteMode() { return WriteMode; }
126 /// \brief Tells the writer we want to write as Implicit VR
127 void SetWriteTypeToDcmImplVR() { SetWriteType(ImplicitVR); }
128 /// \brief Tells the writer we want to write as Explicit VR
129 void SetWriteTypeToDcmExplVR() { SetWriteType(ExplicitVR); }
130 /// \brief Tells the writer we want to write as ACR-NEMA
131 void SetWriteTypeToAcr() { SetWriteType(ACR); }
132 /// \brief Tells the writer we want to write as LibIDO
133 void SetWriteTypeToAcrLibido() { SetWriteType(ACR_LIBIDO); }
134 /// \brief Tells the writer we want to write as JPEG
135 void SetWriteTypeToJPEG() { SetWriteType(JPEG); }
136 /// \brief Tells the writer which format we want to write
137 /// (ImplicitVR, ExplicitVR, ACR, ACR_LIBIDO)
138 void SetWriteType(FileType format) { WriteType = format; }
139 /// \brief Gets the format we talled the write we wanted to write
140 /// (ImplicitVR, ExplicitVR, ACR, ACR_LIBIDO)
141 FileType GetWriteType() { return WriteType; }
143 // Write pixels of ONE image on hard drive
144 // No test is made on processor "endianness"
145 // The user must call his reader correctly
146 bool WriteRawData (std::string const &fileName);
147 bool WriteDcmImplVR(std::string const &fileName);
148 bool WriteDcmExplVR(std::string const &fileName);
149 bool WriteAcr (std::string const &fileName);
150 bool Write (std::string const &fileName);
154 FileHelper( File *header );
156 bool CheckWriteIntegrity();
158 void SetWriteToRaw();
159 void SetWriteToRGB();
162 void SetWriteFileTypeToACR();
163 void SetWriteFileTypeToJPEG();
164 void SetWriteFileTypeToExplicitVR();
165 void SetWriteFileTypeToImplicitVR();
166 void RestoreWriteFileType();
168 void SetWriteToLibido();
169 void SetWriteToNoLibido();
170 void RestoreWriteOfLibido();
172 DataEntry *CopyDataEntry(uint16_t group, uint16_t elem,
173 const TagName &vr = GDCM_VRUNKNOWN);
174 void CheckMandatoryElements();
175 void CheckMandatoryEntry(uint16_t group, uint16_t elem, std::string value);
176 void SetMandatoryEntry(uint16_t group, uint16_t elem, std::string value);
177 void CopyMandatoryEntry(uint16_t group, uint16_t elem, std::string value);
178 void RestoreWriteMandatory();
185 // members variables:
186 /// gdcm::File to use to load the file
189 /// Whether already parsed or not
192 // Utility pixel converter
193 /// \brief Pointer to the PixelReadConverter
194 PixelReadConvert *PixelReadConverter;
195 /// \brief Pointer to the PixelWriteConverter
196 PixelWriteConvert *PixelWriteConverter;
198 // Utility header archive
199 /// \brief Pointer to the DocEntryArchive (used while writting process)
200 DocEntryArchive *Archive;
203 /// \brief (WMODE_RAW, WMODE_RGB)
206 /// \brief (ImplicitVR, ExplicitVR, ACR, ACR_LIBIDO)
209 /// \brief Pointer to a user supplied function to allow modification
210 /// of pixel order (e.g. : Mirror, UpsideDown, 90°Rotation, ...)
211 /// use as : void userSuppliedFunction(uint8_t *im, gdcm::File *f)
212 /// NB : the "uint8_t *" type of first param is just for prototyping.
213 /// User will Cast it according what he founds with f->GetPixelType()
214 /// See vtkgdcmSerieViewer for an example
215 VOID_FUNCTION_PUINT8_PFILE_POINTER UserFunction;
217 } // end namespace gdcm
219 //-----------------------------------------------------------------------------