X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmBinEntry.cxx;h=33a302b73ea33184f8fcd3ef28d1131349b9452f;hb=97945d8b11b86924800fe1d78dcbf8a54be75927;hp=e4460c60b12c365f6e3b306dee341bc7f762e131;hpb=3e82e8b67eddf5d4b95b6aa2a2e2615aced4c452;p=gdcm.git diff --git a/src/gdcmBinEntry.cxx b/src/gdcmBinEntry.cxx index e4460c60..33a302b7 100644 --- a/src/gdcmBinEntry.cxx +++ b/src/gdcmBinEntry.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmBinEntry.cxx,v $ Language: C++ - Date: $Date: 2005/02/02 10:02:16 $ - Version: $Revision: 1.61 $ + Date: $Date: 2005/10/11 14:48:19 $ + Version: $Revision: 1.80 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -18,8 +18,7 @@ #include "gdcmBinEntry.h" #include "gdcmContentEntry.h" - -#include "gdcmDebug.h" +#include "gdcmUtil.h" #include #include @@ -48,7 +47,7 @@ BinEntry::BinEntry(DocEntry *e) { Copy(e); - BinArea = 0; // let's be carefull ! + BinArea = 0; SelfArea = true; } @@ -73,66 +72,77 @@ BinEntry::~BinEntry() */ void BinEntry::WriteContent(std::ofstream *fp, FileType filetype) { -#define BUFFER_SIZE 4096 DocEntry::WriteContent(fp, filetype); - void* binArea = GetBinArea(); - int lgr = GetLength(); - if (binArea) // the binArea was *actually* loaded + uint8_t *binArea8 = BinArea; //safe notation + size_t lgr = GetLength(); + if (BinArea) // the binArea was *actually* loaded { - // TODO FIME - // Probabely, the same operation will have to be done when we want - // to write image with Big Endian Transfert Syntax, - // and we are working on Little Endian Processor + // The same operation should be done if we wanted + // to write image with Big Endian Transfer Syntax, + // while working on Little Endian Processor + // --> forget Big Endian Transfer Syntax writting! + // Next DICOM version will give it up ... + + // --> + // --> FIXME + // --> + // The stuff looks nice, but it's probably bugged, + // since troubles occur on big endian processors (SunSparc, Motorola) + // while reading the pixels of a + // gdcm-written Little-Endian 16 bits per pixel image -#ifdef GDCM_WORDS_BIGENDIAN - // Be carefull with *any* 16 bits words 'binEntries !' - // if ( GetVR() == "OW") // to be used later +#if defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION) - // TODO FIXME Right now, we only care of Pixels element + /// \todo FIXME : Right now, we only care of Pixels element + /// we should deal with *all* the BinEntries + /// Well, not really since we are not interpreting values read... // 8 Bits Pixels *are* OB, 16 Bits Pixels *are* OW // -value forced while Reading process- + + //--> + // --> + // --> WARNING + // --> the following lines *looked* very clever, + // --> but they don't work on big endian processors. + // --> since I've no access for the moment to a big endian proc :-( + // --> I comment them out, to see the result on the dash board + // --> + + // --> Revert to initial code : TestWriteSimple hangs on Darwin :-( if (GetGroup() == 0x7fe0 && GetVR() == "OW") - { - uint16_t *currPosition = (uint16_t *)binArea; - - // TODO FIXME : Maybe we should allocate somewhere a static buffer, - // in order not to have to alloc/delete for almost every BinEntry ... - uint16_t *buffer = new uint16_t[BUFFER_SIZE]; - - // how many BUFFER_SIZE long pieces in binArea ? - int nbPieces = lgr/BUFFER_SIZE/2; //(16 bits = 2 Bytes) - uint16_t *binArea16 = (uint16_t*)binArea; - for (int j=0;j> 8) | (binArea16[i] << 8); - } - fp->write ( (char*)currPosition, BUFFER_SIZE ); - currPosition += BUFFER_SIZE/2; - } - int remainingSize = lgr%BUFFER_SIZE; - if ( remainingSize != 0) - { - fp->write ( (char*)currPosition, remainingSize ); - } - delete[] buffer; + { + uint16_t *binArea16 = (uint16_t*)binArea8; + binary_write (*fp, binArea16, lgr ); } else { // For any other VR, BinEntry is re-written as-is - fp->write ( (char*)binArea, lgr ); + binary_write (*fp, binArea8, lgr ); } + + //--> + // --> + // --> WARNING + // --> remove the following line, an uncomment the previous ones, + // --> if it doesn't work better + // --> + /*binary_write ( *fp, binArea8, lgr ); // Elem value*/ + #else - fp->write ( (char*)binArea, lgr ); // Elem value + binary_write ( *fp, binArea8, lgr ); // Elem value #endif //GDCM_WORDS_BIGENDIAN } else { // nothing was loaded, but we need to skip space on disc + + // --> WARNING : nothing is written; + // --> the initial data (on the the source image) is lost + // --> user is *not* informed ! + fp->seekp(lgr, std::ios::cur); } } @@ -170,8 +180,47 @@ void BinEntry::Print(std::ostream &os, std::string const & ) void* binArea = GetBinArea(); if (binArea) { - s << " [" << GetValue() - << "; length = " << GetLength() << "]"; + if ( GetVR() == "FL" ) + { + int l = GetReadLength()/4 - 1; + float *beg = (float *)GetBinArea(); + s << " [" << *beg; + if ( l!= 0) + for (int i=0;i