X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmPixelWriteConvert.cxx;h=fe6b870ea76280df7eaceb95f141668d0c5c2bd3;hb=04530e8606acf3f15a9d1f85e3c804941b6554a6;hp=899f816f84e8047ed78399f4cfa27119930b3356;hpb=0ad9dae4659b21bfd5c834c1af724eab4dcdf4f6;p=gdcm.git diff --git a/src/gdcmPixelWriteConvert.cxx b/src/gdcmPixelWriteConvert.cxx index 899f816f..fe6b870e 100644 --- a/src/gdcmPixelWriteConvert.cxx +++ b/src/gdcmPixelWriteConvert.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmPixelWriteConvert.cxx,v $ Language: C++ - Date: $Date: 2005/01/23 10:12:34 $ - Version: $Revision: 1.5 $ + Date: $Date: 2007/08/21 12:51:10 $ + Version: $Revision: 1.15 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -18,59 +18,87 @@ #include "gdcmDebug.h" #include "gdcmPixelWriteConvert.h" +#include "gdcmFile.h" +#include "gdcmUtil.h" -namespace gdcm +#include + +#define WITHOFFSETTABLE 1 + +namespace GDCM_NAME_SPACE { //----------------------------------------------------------------------------- -// Constructor / Destructor +// Public -/// \brief Construcror +//----------------------------------------------------------------------------- +// Protected + +//----------------------------------------------------------------------------- +// Private + +// Constructor / Destructor +/** + * \brief Constructor + */ PixelWriteConvert::PixelWriteConvert() { - ReadData = 0; + ReadData = 0; ReadDataSize = 0; - UserData = 0; + UserData = 0; UserDataSize = 0; + Compressed = false; } -/// \brief Destructor +/** + * \brief Destructor + */ PixelWriteConvert::~PixelWriteConvert() { + if( Compressed ) + { + delete[] UserData; + } } -//----------------------------------------------------------------------------- -// Public - /** - * \brief SetReadData - * @param data data - * @param size size + * \brief sets Read Data (and size) + * @param data data (uint8_t is for prototyping. if your data is not uint8_t + * just cast the pointer for calling the method) + * @param size data size, in bytes */ -void PixelWriteConvert::SetReadData(uint8_t *data,size_t size) +void PixelWriteConvert::SetReadData(uint8_t *data, size_t size) { ReadData = data; ReadDataSize = size; } /** - * \brief SetUserData - * @param data data - * @param size size + * \brief Sets the internal pointer to the caller's inData + * image representation, WITHOUT COPYING THE DATA. + * - 'image' Pixels are presented as C-like 2D arrays : line per line. + * - 'volume'Pixels are presented as C-like 3D arrays : plane per plane + * \warning Since the pixels are not copied, it is the caller's responsability + * not to deallocate its data before gdcm uses them (e.g. with + * the Write() method ) + * @param data data (uint8_t is for prototyping. if your data is not uint8_t + * just cast the pointer for calling the method) + * @param size size, in bytes. */ -void PixelWriteConvert::SetUserData(uint8_t *data,size_t size) +void PixelWriteConvert::SetUserData(uint8_t *data, size_t size) { UserData = data; UserDataSize = size; } /** - * \brief GetData - * @return data + * \brief Get Data (UserData or ReadData) + * @return data (uint8_t is for prototyping. if your data is *not* uint8_t + * just cast the returned pointer) */ uint8_t *PixelWriteConvert::GetData() { - if(UserData) + if ( UserData ) { return UserData; } @@ -81,12 +109,12 @@ uint8_t *PixelWriteConvert::GetData() } /** - * \brief GetDataSize - * @return size + * \brief Get Data Size (UserData or ReadData) + * @return size, in bytes. */ size_t PixelWriteConvert::GetDataSize() { - if(UserData) + if ( UserData ) { return UserDataSize; } @@ -96,5 +124,296 @@ size_t PixelWriteConvert::GetDataSize() } } + +typedef std::pair JpegPair; //offset, jpeg size +typedef std::vector JpegVector; + +bool gdcm_write_JPEG2000_file (std::ostream *of, char *inputdata, size_t inputlength, + int image_width, int image_height, int numZ, int sample_pixel, int bitsallocated, + int sign, int quality); + + +void WriteDICOMItems(std::ostream *fp, JpegVector &v) +{ + // Item tag: + uint16_t group = 0xfffe; + uint16_t elem = 0xe000; + GDCM_NAME_SPACE::binary_write(*fp, group); + GDCM_NAME_SPACE::binary_write(*fp, elem); + // Item Length + uint32_t dummy = 0x12345678; + size_t offset = fp->tellp(); + JpegPair jp; + jp.first = offset; + v.push_back(jp); + GDCM_NAME_SPACE::binary_write(*fp, dummy); +} + +// PS 3.5, page 66 +void EncodeWithoutBasicOffsetTable(std::ostream *fp, int numFrag)// JpegVector& v) //, uint32_t length) +{ + assert( numFrag == 1); + + // Item tag: + uint16_t group = 0xfffe; + uint16_t elem = 0xe000; + GDCM_NAME_SPACE::binary_write(*fp, group); + GDCM_NAME_SPACE::binary_write(*fp, elem); + // Item Length + uint32_t item_length = 0x0000; + GDCM_NAME_SPACE::binary_write(*fp, item_length); + +} + +// PS 3.5, page 67 +void EncodeWithBasicOffsetTable(std::ostream *fp, int numFrag, size_t &start) +{ + // Item tag: + uint16_t group = 0xfffe; + uint16_t elem = 0xe000; + GDCM_NAME_SPACE::binary_write(*fp, group); + GDCM_NAME_SPACE::binary_write(*fp, elem); + // Item Length + uint32_t item_length = numFrag*4; // sizeof(uint32_t) + GDCM_NAME_SPACE::binary_write(*fp, item_length); + + // Just prepare the space + start = fp->tellp(); //to be able to rewind + for(int i=0; iseekp( pos ); + const JpegPair &first = v[0]; + for(i=v.begin(); i!=v.end(); ++i) + { + const JpegPair &jp = *i; + if(i == v.begin() ){ assert( jp.first - first.first == 0); } + uint32_t offset = (uint32_t)(jp.first - first.first); + gdcm::binary_write(*fp, offset); + //std::cerr << "Updating Table:" << jp.first - first.first << std::endl; + } +} + +void UpdateJpegFragmentSize(std::ostream *fp, JpegVector const &v) +{ + JpegVector::const_iterator i; + for(i= v.begin(); i!=v.end(); ++i) + { + const JpegPair &jp = *i; + fp->seekp( jp.first ); + uint32_t length = jp.second; + GDCM_NAME_SPACE::binary_write(*fp, length); + //std::cerr << "Updating:" << jp.first << "," << jp.second << std::endl; + } +} + +void CloseJpeg(std::ostream *fp, JpegVector &v) +{ + // sequence terminator + uint16_t group = 0xfffe; + uint16_t elem = 0xe0dd; + GDCM_NAME_SPACE::binary_write(*fp, group); + GDCM_NAME_SPACE::binary_write(*fp, elem); + + uint32_t length = 0x0; + GDCM_NAME_SPACE::binary_write(*fp, length); + + // Jpeg is done, now update the frag length + UpdateJpegFragmentSize(fp, v); +} + +// I need to pass the File*. I do not understand how PixelWriteConvert is supposed +// to access this information otherwise +// size can now be computer from File attributes (what an API...) +void PixelWriteConvert::SetCompressJPEG2000UserData(uint8_t *data, size_t size, File *image) +{ + Compressed = true; + //char * userData = reinterpret_cast(UserData); + + std::ostringstream *of = new std::ostringstream(); + int xsize = image->GetXSize(); + int ysize = image->GetYSize(); + int zsize = image->GetZSize(); + int samplesPerPixel = image->GetSamplesPerPixel(); + //std::cout << "X: " << xsize << std::endl; + //std::cout << "Y: " << ysize << std::endl; + //std::cout << "Sample: " << samplesPerPixel << std::endl; + int bitsallocated = image->GetBitsAllocated(); + int sign = image->IsSignedPixelData(); + unsigned int fragment_size = xsize*ysize*samplesPerPixel * (bitsallocated / 8); + assert( fragment_size*zsize == size ); + + JpegVector JpegFragmentSize; +#if WITHOFFSETTABLE + size_t bots; //basic offset table start + EncodeWithBasicOffsetTable(of, zsize, bots); +#else + EncodeWithoutBasicOffsetTable(of, 1); +#endif + uint8_t *pImageData = data; + for(int i=0; itellp(); + gdcm_write_JPEG2000_file(of, (char*)pImageData,size, + image->GetXSize(), image->GetYSize(), image->GetZSize(), image->GetSamplesPerPixel(), + image->GetBitsAllocated(), sign, 100); + //userData, UserDataSize); + // CreateOneFrame(of, pImageData, fragment_size, xsize, ysize, zsize, + // samplesPerPixel, quality, JpegFragmentSize); + //assert( !(fragment_size % 2) ); + // Update the JpegVector with offset + size_t end = of->tellp(); + //static int i = 0; + JpegPair &jp = JpegFragmentSize[i]; + jp.second = (uint32_t)(end-beg); + if( ((end-beg) % 2) ) + { + of->put( '\0' ); + jp.second += 1; + } + assert( !(jp.second % 2) ); + //std::cerr << "DIFF: " << i <<" -> " << jp.second << std::endl; + //++i; + pImageData += fragment_size; + } + CloseJpeg(of, JpegFragmentSize); +#if WITHOFFSETTABLE + UpdateBasicOffsetTable(of, JpegFragmentSize, bots); +#endif + + + size_t of_size = of->str().size(); + UserData = new uint8_t[of_size]; + memcpy(UserData, of->str().c_str(), of_size); + UserDataSize = of_size; + delete of; +} + +bool gdcm_write_JPEG_file8 (std::ostream *fp, char *inputdata, size_t inputlength, + int image_width, int image_height, int numZ, + int sample_pixel, int bitsallocated, int quality); +bool gdcm_write_JPEG_file12 (std::ostream *fp, char *inputdata, size_t inputlength, + int image_width, int image_height, int numZ, + int sample_pixel, int bitsallocated, int quality); +bool gdcm_write_JPEG_file16 (std::ostream *fp, char *inputdata, size_t inputlength, + int image_width, int image_height, int numZ, + int sample_pixel, int bitsallocated, int quality); + +void PixelWriteConvert::SetCompressJPEGUserData(uint8_t *data, size_t size, File *image) +{ + + std::cerr << "entree ds PixelWriteConvert::SetCompressJPEGUserData" << std::endl; + + (void)data; + (void)size; + (void)image; + Compressed = true; + //char * userData = reinterpret_cast(UserData); + + std::ostringstream *of = new std::ostringstream(); + int xsize = image->GetXSize(); + int ysize = image->GetYSize(); + int zsize = image->GetZSize(); + int samplesPerPixel = image->GetSamplesPerPixel(); + //std::cout << "X: " << xsize << std::endl; + //std::cout << "Y: " << ysize << std::endl; + //std::cout << "Sample: " << samplesPerPixel << std::endl; + int bitsallocated = image->GetBitsAllocated(); + unsigned int fragment_size = xsize*ysize*samplesPerPixel * (bitsallocated / 8); + assert( fragment_size*zsize == size ); + + JpegVector JpegFragmentSize; +#if WITHOFFSETTABLE + size_t bots; //basic offset table start + EncodeWithBasicOffsetTable(of, zsize, bots); +#else + EncodeWithoutBasicOffsetTable(of, 1); +#endif + uint8_t *pImageData = data; + for(int i=0; itellp(); + if( bitsallocated == 8 ) + { + gdcm_write_JPEG_file8(of, (char*)pImageData,size, + image->GetXSize(), image->GetYSize(), image->GetZSize(), image->GetSamplesPerPixel(), + image->GetBitsAllocated(), 100 ); + } + else if (bitsallocated <= 12) + { + assert( bitsallocated >= 8 ); + gdcm_write_JPEG_file12(of, (char*)pImageData,size, + image->GetXSize(), image->GetYSize(), image->GetZSize(), image->GetSamplesPerPixel(), + image->GetBitsAllocated(), 100); + } + else if (bitsallocated <= 16) + { + assert( bitsallocated >= 12 ); + gdcm_write_JPEG_file16(of, (char*)pImageData,size, + image->GetXSize(), image->GetYSize(), image->GetZSize(), image->GetSamplesPerPixel(), + image->GetBitsAllocated(), 100); + } + else + { + abort(); + } + size_t end = of->tellp(); + //static int i = 0; + JpegPair &jp = JpegFragmentSize[i]; + jp.second = (uint32_t)(end-beg); + if( ((end-beg) % 2) ) + { + of->put( '\0' ); + jp.second += 1; + } + assert( !(jp.second % 2) ); + //std::cerr << "DIFF: " << i <<" -> " << jp.second << std::endl; + //++i; + + //JpegPair &jp = v[0]; + //jp.second = 15328; + + + //userData, UserDataSize); + // CreateOneFrame(of, pImageData, fragment_size, xsize, ysize, zsize, + // samplesPerPixel, quality, JpegFragmentSize); + //assert( !(fragment_size % 2) ); + pImageData += fragment_size; + } + CloseJpeg(of, JpegFragmentSize); +#if WITHOFFSETTABLE + UpdateBasicOffsetTable(of, JpegFragmentSize, bots); +#endif + + + size_t of_size = of->str().size(); + UserData = new uint8_t[of_size]; + memcpy(UserData, of->str().c_str(), of_size); + UserDataSize = of_size; + delete of; +} + + +//----------------------------------------------------------------------------- +// Protected +//bool PixelWriteConvert::CompressJPEG2000(uint8_t *data, size_t size) +//{ +//} + +//----------------------------------------------------------------------------- +// Private + +//----------------------------------------------------------------------------- +// Print + //----------------------------------------------------------------------------- } // end namespace gdcm