1 /*=========================================================================
4 Module: $RCSfile: gdcmFileHelper.h,v $
6 Date: $Date: 2005/09/02 07:10:03 $
7 Version: $Revision: 1.22 $
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"
34 class PixelReadConvert;
35 class PixelWriteConvert;
36 class DocEntryArchive;
38 typedef void (*VOID_FUNCTION_PUINT8_PFILE_POINTER)(uint8_t *, File *);
40 //-----------------------------------------------------------------------------
42 * \brief In addition to Dicom header exploration, this class is designed
43 * for accessing the image/volume content. One can also use it to
44 * write Dicom/ACR-NEMA/RAW files.
46 class GDCM_EXPORT FileHelper : public Base
57 FileHelper( File *header );
58 GDCM_LEGACY(FileHelper( std::string const &filename ));
60 virtual ~FileHelper();
62 void Print(std::ostream &os = std::cout, std::string const &indent = "");
64 /// Accessor to \ref File
65 File *GetFile() { return FileInternal; }
68 void SetLoadMode(int loadMode);
69 void SetFileName(std::string const &fileName);
71 /// to allow user to modify pixel order (e.g. Mirror, TopDown,...)
72 void SetUserFunction( VOID_FUNCTION_PUINT8_PFILE_POINTER userFunc )
73 { UserFunction = userFunc; }
75 bool SetValEntry(std::string const &content,
76 uint16_t group, uint16_t elem);
77 bool SetBinEntry(uint8_t *content, int lgth,
78 uint16_t group, uint16_t elem);
80 ValEntry *InsertValEntry(std::string const &content,
81 uint16_t group, uint16_t elem);
82 BinEntry *InsertBinEntry(uint8_t *binArea, int lgth,
83 uint16_t group, uint16_t elem);
84 SeqEntry *InsertSeqEntry(uint16_t group, uint16_t elem);
87 size_t GetImageDataSize();
88 size_t GetImageDataRawSize();
90 uint8_t *GetImageData();
91 uint8_t *GetImageDataRaw();
93 GDCM_LEGACY(size_t GetImageDataIntoVector(void *destination,size_t maxSize));
95 void SetImageData(uint8_t *data, size_t expectedSize);
98 void SetUserData(uint8_t *data, size_t expectedSize);
99 uint8_t *GetUserData();
100 size_t GetUserDataSize();
101 // RBG data (from file)
102 uint8_t *GetRGBData();
103 size_t GetRGBDataSize();
104 // RAW data (from file)
105 uint8_t *GetRawData();
106 size_t GetRawDataSize();
109 uint8_t* GetLutRGBA();
110 int GetLutItemNumber();
111 int GetLutItemSize();
115 /// \brief Tells the writer we want to keep 'Grey pixels + Palettes color'
116 /// when possible (as opposed to convert 'Palettes color' to RGB)
117 void SetWriteModeToRaw() { SetWriteMode(WMODE_RAW); }
118 /// \brief Tells the writer we want to write RGB image when possible
119 /// (as opposed to 'Grey pixels + Palettes color')
120 void SetWriteModeToRGB() { SetWriteMode(WMODE_RGB); }
121 /// \brief Sets the Write Mode ( )
122 void SetWriteMode(FileMode mode) { WriteMode = mode; }
123 /// \brief Gets the Write Mode ( )
124 FileMode GetWriteMode() { return WriteMode; }
128 /// \brief Tells the writer we want to write as Implicit VR
129 void SetWriteTypeToDcmImplVR() { SetWriteType(ImplicitVR); }
130 /// \brief Tells the writer we want to write as Explicit VR
131 void SetWriteTypeToDcmExplVR() { SetWriteType(ExplicitVR); }
132 /// \brief Tells the writer we want to write as ACR-NEMA
133 void SetWriteTypeToAcr() { SetWriteType(ACR); }
134 /// \brief Tells the writer we want to write as LibIDO
135 void SetWriteTypeToAcrLibido() { SetWriteType(ACR_LIBIDO); }
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);
153 bool CheckWriteIntegrity();
155 void SetWriteToRaw();
156 void SetWriteToRGB();
159 void SetWriteFileTypeToACR();
160 void SetWriteFileTypeToExplicitVR();
161 void SetWriteFileTypeToImplicitVR();
162 void RestoreWriteFileType();
164 void SetWriteToLibido();
165 void SetWriteToNoLibido();
166 void RestoreWriteOfLibido();
168 ValEntry *CopyValEntry(uint16_t group, uint16_t elem);
169 BinEntry *CopyBinEntry(uint16_t group, uint16_t elem,
170 const std::string &vr);
171 void CheckMandatoryElements();
172 void RestoreWriteMandatory();
179 // members variables:
180 /// gdcm::File to use to load the file
183 /// \brief Whether the underlying \ref gdcm::File was loaded by
184 /// the constructor or passed to the constructor.
185 /// When false the destructor is in charge of deletion.
188 /// Whether already parsed or not
191 // Utility pixel converter
192 /// \brief Pointer to the PixelReadConverter
193 PixelReadConvert *PixelReadConverter;
194 /// \brief Pointer to the PixelWriteConverter
195 PixelWriteConvert *PixelWriteConverter;
197 // Utility header archive
198 /// \brief Pointer to the DocEntryArchive (used while writting process)
199 DocEntryArchive *Archive;
202 /// \brief (WMODE_RAW, WMODE_RGB)
204 /// \brief (ImplicitVR, ExplicitVR, ACR, ACR_LIBIDO)
206 /// Pointer to a user supplied function to allow modification of pixel order
207 /// (i.e. : Mirror, TopDown, 90°Rotation, ...)
208 /// use as : void userSuppliedFunction(uint8_t *im, gdcm::File *f)
209 /// NB : the "uint8_t *" type of first param is just for prototyping.
210 /// User will Cast it according what he founds with f->GetPixelType()
211 /// See vtkgdcmSerieViewer for an example
212 VOID_FUNCTION_PUINT8_PFILE_POINTER UserFunction;
214 } // end namespace gdcm
216 //-----------------------------------------------------------------------------