GDCM  2.2.3
gdcmImageRegionReader.h
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00001 /*=========================================================================
00002 
00003   Program: GDCM (Grassroots DICOM). A DICOM library
00004 
00005   Copyright (c) 2006-2011 Mathieu Malaterre
00006   All rights reserved.
00007   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
00008 
00009      This software is distributed WITHOUT ANY WARRANTY; without even
00010      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00011      PURPOSE.  See the above copyright notice for more information.
00012 
00013 =========================================================================*/
00014 #ifndef GDCMIMAGEEXTENTREADER_H
00015 #define GDCMIMAGEEXTENTREADER_H
00016 
00017 #include "gdcmImageReader.h"
00018 #include "gdcmImage.h"
00019 #include "gdcmRegion.h"
00020 
00021 namespace gdcm
00022 {
00023 
00024 class ImageRegionReaderInternals;
00029 class GDCM_EXPORT ImageRegionReader : public ImageReader
00030 {
00031 public:
00032   ImageRegionReader();
00033   ~ImageRegionReader();
00034 
00036   void SetRegion(Region const & region);
00037   Region const &GetRegion() const;
00038 
00042   size_t ComputeBufferLength() const;
00043 
00046   bool ReadInformation();
00047 
00050   bool ReadIntoBuffer(char *inreadbuffer, size_t buflen);
00051 
00052 protected:
00054   bool Read();
00055 
00056 private:
00057   bool ReadRAWIntoBuffer(char *buffer, size_t buflen);
00058   bool ReadRLEIntoBuffer(char *buffer, size_t buflen);
00059   bool ReadJPEG2000IntoBuffer(char *buffer, size_t buflen);
00060   bool ReadJPEGIntoBuffer(char *buffer, size_t buflen);
00061   bool ReadJPEGLSIntoBuffer(char *buffer, size_t buflen);
00062   ImageRegionReaderInternals *Internals;
00063 };
00064 
00065 } // end namespace gdcm
00066 
00067 #endif //GDCMIMAGEEXTENTREADER_H

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