GDCM 2.0.17

gdcmImageHelper.h

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00001 /*=========================================================================
00002 
00003   Program: GDCM (Grassroots DICOM). A DICOM library
00004   Module:  $URL$
00005 
00006   Copyright (c) 2006-2010 Mathieu Malaterre
00007   All rights reserved.
00008   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 #ifndef GDCMIMAGEHELPER_H
00016 #define GDCMIMAGEHELPER_H
00017 
00018 #include "gdcmTypes.h"
00019 #include "gdcmTag.h"
00020 #include <vector>
00021 #include "gdcmPixelFormat.h"
00022 #include "gdcmPhotometricInterpretation.h"
00023 #include "gdcmSmartPointer.h"
00024 #include "gdcmLookupTable.h"
00025 
00026 namespace gdcm
00027 {
00028 
00029 class MediaStorage;
00030 class DataSet;
00031 class File;
00032 class Image;
00033 class ByteValue;
00049 class GDCM_EXPORT ImageHelper
00050 {
00051 public:
00057   static void SetForceRescaleInterceptSlope(bool);
00058   static bool GetForceRescaleInterceptSlope();
00059 
00066   static void SetForcePixelSpacing(bool);
00067   static bool GetForcePixelSpacing();
00068 
00072   static std::vector<unsigned int> GetDimensionsValue(const File& f);
00073 
00076   static PixelFormat GetPixelFormatValue(const File& f);
00077 
00082   static std::vector<double> GetRescaleInterceptSlopeValue(File const & f);
00083   static void SetRescaleInterceptSlopeValue(File & f, const Image & img);
00084 
00086   static std::vector<double> GetOriginValue(File const & f);
00087   static void SetOriginValue(DataSet & ds, const Image & img);
00088 
00091   static std::vector<double> GetDirectionCosinesValue(File const & f);
00097   // FIXME: There is a major issue for image with multiple IOP (eg. Enhanced * Image Storage).
00098   static void SetDirectionCosinesValue(DataSet & ds, const std::vector<double> & dircos);
00099 
00101   static std::vector<double> GetSpacingValue(File const & f);
00102   static void SetSpacingValue(DataSet & ds, const std::vector<double> & spacing);
00103 
00105   static bool ComputeSpacingFromImagePositionPatient(const std::vector<double> &imageposition, std::vector<double> & spacing);
00106 
00107   static bool GetDirectionCosinesFromDataSet(DataSet const & ds, std::vector<double> & dircos);
00108 
00109   //functions to get more information from a file
00110   //useful for the stream image reader, which fills in necessary image information
00111   //distinctly from the reader-style data input
00112   static PhotometricInterpretation GetPhotometricInterpretationValue(File const& f);
00113   //returns the configuration of colors in a plane, either RGB RGB RGB or RRR GGG BBB
00114   static unsigned int GetPlanarConfigurationValue(const File& f);
00115 
00116   //returns the lookup table of an image file
00117   static SmartPointer<LookupTable> GetLUT(File const& f);
00118 
00120   static const ByteValue* GetPointerFromElement(Tag const &tag, File const& f);
00121 
00122 protected:
00123   static Tag GetSpacingTagFromMediaStorage(MediaStorage const &ms);
00124   static Tag GetZSpacingTagFromMediaStorage(MediaStorage const &ms);
00125 
00126 private:
00127   static bool ForceRescaleInterceptSlope;
00128   static bool ForcePixelSpacing;
00129 };
00130 
00131 } // end namespace gdcm
00132 
00133 #endif //__gdcmSpacing_h

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