diff options
Diffstat (limited to 'tiff/contrib/stream/tiffstream.cpp')
| -rw-r--r-- | tiff/contrib/stream/tiffstream.cpp | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/tiff/contrib/stream/tiffstream.cpp b/tiff/contrib/stream/tiffstream.cpp deleted file mode 100644 index ffff687..0000000 --- a/tiff/contrib/stream/tiffstream.cpp +++ /dev/null @@ -1,238 +0,0 @@ -// tiff stream interface class implementation - -#include "tiffstream.h" - -const char* TiffStream::m_name = "TiffStream"; - -TiffStream::TiffStream() -{ - m_tif = NULL; - - - m_inStream = NULL; - m_outStream = NULL; - m_ioStream = NULL; - - m_streamLength = 0; - - m_this = reinterpret_cast<thandle_t>(this); -}; - -TiffStream::~TiffStream() -{ - if(m_tif != NULL) TIFFClose(m_tif); -} - -TIFF* -TiffStream::makeFileStream(istream* str) -{ - m_inStream = str; - m_outStream = NULL; - m_ioStream = NULL; - m_streamLength = getSize(m_this); - - m_tif = TIFFClientOpen(m_name, - "r", - m_this, - read, - write, - seek, - close, - size, - map, - unmap); - return m_tif; -} - -TIFF* -TiffStream::makeFileStream(ostream* str) -{ - m_inStream = NULL; - m_outStream = str; - m_ioStream = NULL; - m_streamLength = getSize(m_this); - - m_tif = TIFFClientOpen(m_name, - "w", - m_this, - read, - write, - seek, - close, - size, - map, - unmap); - return m_tif; -} - -TIFF* -TiffStream::makeFileStream(iostream* str) -{ - m_inStream = NULL; - m_outStream = NULL; - m_ioStream = str; - m_streamLength = getSize(m_this); - - m_tif = TIFFClientOpen(m_name, - "r+w", - m_this, - read, - write, - seek, - close, - size, - map, - unmap); - return m_tif; -} - -tsize_t -TiffStream::read(thandle_t fd, tdata_t buf, tsize_t size) -{ - istream* istr; - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - if(ts->m_inStream != NULL) { - istr = ts->m_inStream; - } else if(ts->m_ioStream != NULL) { - istr = ts->m_ioStream; - } - - int remain = ts->m_streamLength - ts->tell(fd); - int actual = remain < size ? remain : size; - istr->read(reinterpret_cast<char*>(buf), actual); - return istr->gcount(); -} - -tsize_t -TiffStream::write(thandle_t fd, tdata_t buf, tsize_t size) -{ - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - ostream* ostr; - if(ts->m_outStream != NULL) { - ostr = ts->m_outStream; - } else if(ts->m_ioStream != NULL) { - ostr = ts->m_ioStream; - } - - streampos start = ostr->tellp(); - ostr->write(reinterpret_cast<const char*>(buf), size); - return ostr->tellp() - start; -} - -toff_t -TiffStream::seek(thandle_t fd, toff_t offset, int origin) -{ - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - if(ts->seekInt(fd, offset, origin) == true) return offset; - else return -1; -} - -int -TiffStream::close(thandle_t fd) -{ - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - if(ts->m_inStream != NULL) { - ts->m_inStream = NULL; - return 0; - } else if(ts->m_outStream != NULL) { - ts->m_outStream = NULL; - return 0; - } else if(ts->m_ioStream != NULL) { - ts->m_ioStream = NULL; - return 0; - } - return -1; -} - -toff_t -TiffStream::size(thandle_t fd) -{ - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - return ts->getSize(fd); -} - -int -TiffStream::map(thandle_t fd, tdata_t* phase, toff_t* psize) -{ - return 0; -} - -void -TiffStream::unmap(thandle_t fd, tdata_t base, tsize_t size) -{ -} - -unsigned int -TiffStream::getSize(thandle_t fd) -{ - if(!isOpen(fd)) return 0; - - unsigned int pos = tell(fd); - seekInt(fd, 0, end); - unsigned int size = tell(fd); - seekInt(fd, pos, beg); - - return size; -} - -unsigned int -TiffStream::tell(thandle_t fd) -{ - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - if(ts->m_inStream != NULL) { - return ts->m_inStream->tellg(); - } else if(ts->m_outStream != NULL) { - return ts->m_outStream->tellp(); - } else if(ts->m_ioStream != NULL) { - return ts->m_ioStream->tellg(); - } - return 0; -} - -bool -TiffStream::seekInt(thandle_t fd, unsigned int offset, int origin) -{ - if(!isOpen(fd)) return false; - - ios::seek_dir org; - switch(origin) { - case beg: - org = ios::beg; - break; - case cur: - org = ios::cur; - break; - case end: - org = ios::end; - break; - } - - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - if(ts->m_inStream != NULL) { - ts->m_inStream->seekg(offset, org); - return true; - } else if(ts->m_outStream != NULL) { - ts->m_outStream->seekp(offset, org); - return true; - } else if(ts->m_ioStream != NULL) { - ts->m_ioStream->seekg(offset, org); - ts->m_ioStream->seekp(offset, org); - return true; - } - return false; -} - -bool -TiffStream::isOpen(thandle_t fd) -{ - TiffStream* ts = reinterpret_cast<TiffStream*>(fd); - return (ts->m_inStream != NULL || - ts->m_outStream != NULL || - ts->m_ioStream != NULL); -}/* - * Local Variables: - * mode: c++ - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ |