ossimEndian Class Reference

#include <ossimEndian.h>

Public Member Functions
	ossimEndian ()
void	swap (ossim_sint8 &)
void	swap (ossim_uint8 &)
void	swap (ossim_int16 &data) const
void	swap (ossim_uint16 &data) const
void	swap (ossim_int32 &data) const
void	swap (ossim_uint32 &data) const
void	swap (ossim_uint64 &data) const
void	swap (ossim_sint64 &data) const
void	swap (ossim_float32 &data) const
void	swap (ossim_float64 &data) const
void	swap (ossimScalarType scalar, void *data, ossim_uint32 size) const
void	swap (ossim_sint8 *data, ossim_uint32 size) const
void	swap (ossim_uint8 *data, ossim_uint32 size) const
void	swap (ossim_int16 *data, ossim_uint32 size) const
void	swap (ossim_uint16 *data, ossim_uint32 size) const
void	swap (ossim_int32 *data, ossim_uint32 size) const
void	swap (ossim_uint32 *data, ossim_uint32 size) const
void	swap (ossim_int64 *data, ossim_uint32 size) const
void	swap (ossim_uint64 *data, ossim_uint32 size) const
void	swap (ossim_float32 *data, ossim_uint32 size) const
void	swap (ossim_float64 *data, ossim_uint32 size) const
void	swapTwoBytes (void *data, ossim_uint32 size) const
void	swapFourBytes (void *data, ossim_uint32 size) const
void	swapEightBytes (void *data, ossim_uint32 size) const
ossimByteOrder	getSystemEndianType () const

Private Member Functions
void	swapTwoBytes (void *data) const
void	swapFourBytes (void *data) const
void	swapEightBytes (void *data) const
void	swapPrivate (ossim_uint8 *c1, ossim_uint8 *c2) const

Private Attributes
ossimByteOrder	theSystemEndianType

Detailed Description

Definition at line 18 of file ossimEndian.h.

Constructor & Destructor Documentation

ossimEndian()

ossimEndian::ossimEndian

(

)

Definition at line 15 of file ossimEndian.cpp.

References OSSIM_BIG_ENDIAN, OSSIM_LITTLE_ENDIAN, and theSystemEndianType.

{
   ossim_uint16  test;
   ossim_uint8  *testPtr=0;
   test = 0x0001;
   
   testPtr       = reinterpret_cast<unsigned char*>(&test);
   theSystemEndianType = testPtr[0] ? OSSIM_LITTLE_ENDIAN : OSSIM_BIG_ENDIAN;
}

Member Function Documentation

getSystemEndianType()

ossimByteOrder ossimEndian::getSystemEndianType ( ) const

inline

Definition at line 78 of file ossimEndian.h.

References theSystemEndianType.

Referenced by ossimGeneralRasterElevHandler::getHeightAboveMSLFileTemplate(), ossimGeneralRasterElevHandler::getHeightAboveMSLMemoryTemplate(), ossimGeoidNgsHeader::getHeightDelta(), ossimImageMpiMWriterSequenceConnection::getNextTile(), ossimNadconGridFile::getShiftAtLatLon(), ossimGeoidNgsHeader::initialize(), ossimGeneralRasterWriter::loadState(), ossimplugins::operator>>(), ossimGeneralRasterWriter::ossimGeneralRasterWriter(), ossimRpfCompressionLookupOffsetRecord::parseStream(), ossimRpfCompressionSectionSubheader::parseStream(), ossimRpfColorConverterOffsetRecord::parseStream(), ossimRpfColorGrayscaleOffsetRecord::parseStream(), ossimRpfAttributeOffsetRecord::parseStream(), ossimRpfColorConverterTable::parseStream(), ossimRpfMaskSubheader::parseStream(), ossimRpfColorConverterSubsection::parseStream(), ossimRpfImageDisplayParameterSubheader::parseStream(), ossimRpfAttributeSectionSubheader::parseStream(), ossimNitfVqCompressionOffsetTableData::parseStream(), ossimNitfImageHeaderV2_0::parseStream(), ossimRpfImageDescriptionSubheader::parseStream(), ossimRpfCompressionSection::parseStream(), ossimRpfFrameFileIndexRecord::parseStream(), ossimRpfPathnameRecord::parseStream(), ossimNitfVqCompressionHeader::parseStream(), ossimRpfFrame::populateMasks(), ossimNadconGridHeader::readHeader(), ossimNitf20Writer::writeBlockBandSeparate(), ossimNitfWriter::writeBlockBandSeparate(), ossimNitf20Writer::writeBlockBandSequential(), ossimNitfWriter::writeBlockBandSequential(), ossimAigStatistics::writeStream(), ossimAigBounds::writeStream(), ossimNitfImageDataMaskV2_1::writeStream(), ossimRpfFrameFileIndexRecord::writeStream(), ossimAigDataFileHeader::writeStream(), ossimRpfCoverageSection::writeStream(), ossimRpfPathnameRecord::writeStream(), ossimRpfBoundaryRectRecord::writeStream(), ossimRpfBoundaryRectSectionSubheader::writeStream(), ossimAigIndexFileHeader::writeStream(), and ossimAigHeader::writeStream().

{
   return theSystemEndianType;
}

swap() [1/21]

void ossimEndian::swap ( ossim_sint8 &  )

inline

Swap bytes methods that work on a single pixel.

Definition at line 26 of file ossimEndian.h.

Referenced by ossimSrtmSupportData::computeMinMaxTemplate(), ossimPngReader::copyLines(), ossimPngReader::copyLinesWithAlpha(), ossim_hdf5::crossesDateline(), ossimHdf5Info::dumpNumerical(), ossimHdf5::floatTypeToString(), ossim_hdf5::getBilinearProjection(), ossimSrtmHandler::getHeightAboveMSLFileTemplate(), ossimGeneralRasterElevHandler::getHeightAboveMSLFileTemplate(), ossimSrtmHandler::getHeightAboveMSLMemoryTemplate(), ossimGeneralRasterElevHandler::getHeightAboveMSLMemoryTemplate(), ossimGeoidNgsHeader::getHeightDelta(), ossimImageMpiMWriterSequenceConnection::getNextTile(), ossimMpiMasterOverviewSequencer::getNextTile(), ossimNadconGridFile::getShiftAtLatLon(), ossimH5ImageDataset::getTileBuf(), ossimHdf5ImageDataset::getTileBuf(), ossim_hdf5::getValidBoundingRect(), ossimXmpInfo::getXmpApp1XmlBlock(), ossimGeoidNgsHeader::initialize(), ossimHdf5::intTypeToString(), ossimplugins::operator>>(), ossimRpfCompressionLookupOffsetRecord::parseStream(), ossimRpfColorConverterOffsetRecord::parseStream(), ossimRpfColorGrayscaleOffsetRecord::parseStream(), ossimRpfCompressionSectionSubheader::parseStream(), ossimRpfColorConverterTable::parseStream(), ossimRpfAttributeOffsetRecord::parseStream(), ossimRpfMaskSubheader::parseStream(), ossimRpfColorConverterSubsection::parseStream(), ossimRpfImageDisplayParameterSubheader::parseStream(), ossimRpfAttributeSectionSubheader::parseStream(), ossimNitfVqCompressionOffsetTableData::parseStream(), ossimNitfImageHeaderV2_0::parseStream(), ossimRpfImageDescriptionSubheader::parseStream(), ossimJ2kSizRecord::parseStream(), ossimJ2kSotRecord::parseStream(), ossimRpfCompressionSection::parseStream(), ossimRpfCoverageSection::parseStream(), ossimRpfFrameFileIndexRecord::parseStream(), ossimRpfPathnameRecord::parseStream(), ossimRpfBoundaryRectSectionSubheader::parseStream(), ossimJ2kTlmRecord::parseStream(), ossimRpfFrameFileIndexSectionSubheader::parseStream(), ossimRpfBoundaryRectRecord::parseStream(), ossimJ2kCodRecord::parseStream(), ossimNitfVqCompressionHeader::parseStream(), ossimRpfComponentLocationRecord::parseStream(), ossimRpfReplaceUpdateSectionSubheader::parseStream(), ossimRpfHeader::parseStream(), ossimRpfLocationSection::parseStream(), ossimRpfFrame::populateMasks(), ossimHdf5Info::print(), ossim_hdf5::printArrayType(), ossim_hdf5::printAttribute(), ossim_hdf5::printFloatType(), ossim_hdf5::printIntType(), ossimNadconGridHeader::readHeader(), ossimTiffInfo::readLong(), ossimTiffInfo::readLongLong(), ossimTiffInfo::readShort(), ossimJ2kInfo::readUInt16(), ossimJp2Info::readUInt32(), ossimJp2Info::readUInt64(), ossimNitfTileSource::scanForJpegBlockOffsets(), ossimHdf5ImageDataset::scanForValidImageRect(), ossimH5GridModel::setGridNodes(), ossimMpiSlaveOverviewSequencer::slaveProcessTiles(), ossimLasPointRecord3::swap(), ossimLasPointRecord0::swap(), ossimLasPointRecord1::swap(), ossimLasPointRecord4::swap(), ossimLasPointRecord2::swap(), ossimLasHdr::swap(), ossimNitf20Writer::writeBlockBandSeparate(), ossimNitfWriter::writeBlockBandSeparate(), ossimNitf20Writer::writeBlockBandSequential(), ossimNitfWriter::writeBlockBandSequential(), ossimOpjCompressor::writeGeotiffBox(), ossimOpjCompressor::writeGmlBox(), ossimKakaduCompressor::writeGmlBox(), ossimAigStatistics::writeStream(), ossimAigBounds::writeStream(), ossimNitfImageDataMaskV2_1::writeStream(), ossimJ2kSizRecord::writeStream(), ossimRpfFrameFileIndexRecord::writeStream(), ossimRpfCoverageSection::writeStream(), ossimAigDataFileHeader::writeStream(), ossimJ2kSotRecord::writeStream(), ossimRpfPathnameRecord::writeStream(), ossimRpfBoundaryRectSectionSubheader::writeStream(), ossimRpfBoundaryRectRecord::writeStream(), ossimRpfFrameFileIndexSectionSubheader::writeStream(), ossimJ2kTlmRecord::writeStream(), ossimAigIndexFileHeader::writeStream(), ossimAigHeader::writeStream(), ossimRpfComponentLocationRecord::writeStream(), ossimRpfReplaceUpdateSectionSubheader::writeStream(), ossimRpfHeader::writeStream(), and ossimRpfLocationSection::writeStream().

{}

swap() [2/21]

void ossimEndian::swap ( ossim_uint8 &  )

inline

Definition at line 27 of file ossimEndian.h.

{}

swap() [3/21]

void ossimEndian::swap ( ossim_int16 &  data ) const

inline

Definition at line 95 of file ossimEndian.h.

References swapTwoBytes().

{
   swapTwoBytes(reinterpret_cast<void*>(&data));   
} 

swap() [4/21]

void ossimEndian::swap ( ossim_uint16 &  data ) const

inline

Definition at line 100 of file ossimEndian.h.

References swapTwoBytes().

{
   swapTwoBytes(reinterpret_cast<void*>(&data));
}

swap() [5/21]

void ossimEndian::swap ( ossim_int32 &  data ) const

inline

Definition at line 105 of file ossimEndian.h.

References swapFourBytes().

{
   swapFourBytes(reinterpret_cast<void*>(&data));
}

swap() [6/21]

void ossimEndian::swap ( ossim_uint32 &  data ) const

inline

Definition at line 110 of file ossimEndian.h.

References swapFourBytes().

{
   swapFourBytes(reinterpret_cast<void*>(&data));
}

swap() [7/21]

void ossimEndian::swap ( ossim_uint64 &  data ) const

inline

Definition at line 115 of file ossimEndian.h.

References swapEightBytes().

{
   swapEightBytes(reinterpret_cast<void*>(&data));
}

swap() [8/21]

void ossimEndian::swap ( ossim_sint64 &  data ) const

inline

Definition at line 120 of file ossimEndian.h.

References swapEightBytes().

{
   swapEightBytes(reinterpret_cast<void*>(&data));
}

swap() [9/21]

void ossimEndian::swap ( ossim_float32 &  data ) const

inline

Definition at line 125 of file ossimEndian.h.

References swapFourBytes().

{
   swapFourBytes(reinterpret_cast<void*>(&data));
}

swap() [10/21]

void ossimEndian::swap ( ossim_float64 &  data ) const

inline

Definition at line 130 of file ossimEndian.h.

References swapEightBytes().

{
   swapEightBytes(reinterpret_cast<void*>(&data));
}

swap() [11/21]

void ossimEndian::swap ( ossimScalarType  scalar, void *  data, ossim_uint32  size  ) const

inline

Swap bytes methods that work on arrays of pixels.

Note

size is number of pixels, not number of bytes.

Definition at line 168 of file ossimEndian.h.

References OSSIM_DOUBLE, OSSIM_FLOAT, OSSIM_NORMALIZED_DOUBLE, OSSIM_NORMALIZED_FLOAT, OSSIM_SSHORT16, OSSIM_USHORT11, OSSIM_USHORT12, OSSIM_USHORT13, OSSIM_USHORT14, OSSIM_USHORT15, OSSIM_USHORT16, size, swapEightBytes(), swapFourBytes(), and swapTwoBytes().

{
   switch (scalar)
   {
      case OSSIM_USHORT16:
      case OSSIM_SSHORT16:
      case  OSSIM_USHORT11:
      case  OSSIM_USHORT12:
      case  OSSIM_USHORT13:
      case  OSSIM_USHORT14:
      case  OSSIM_USHORT15:
         swapTwoBytes(data, size);
         return;
         
      case OSSIM_FLOAT:
      case OSSIM_NORMALIZED_FLOAT:
         swapFourBytes(data, size);
         return;
         
      case OSSIM_DOUBLE:
      case OSSIM_NORMALIZED_DOUBLE:
         swapEightBytes(data, size);
         break;
         
      default:
         return;
   }
}

swap() [12/21]

void ossimEndian::swap ( ossim_sint8 *  data, ossim_uint32  size  ) const

inline

Definition at line 83 of file ossimEndian.h.

{
   //intentionally left blank
}

swap() [13/21]

void ossimEndian::swap ( ossim_uint8 *  data, ossim_uint32  size  ) const

inline

Definition at line 89 of file ossimEndian.h.

{
   //intentionally left blank
}

swap() [14/21]

void ossimEndian::swap ( ossim_int16 *  data, ossim_uint32  size  ) const

inline

Definition at line 198 of file ossimEndian.h.

References size, and swapTwoBytes().

{
   swapTwoBytes(data, size);
}

swap() [15/21]

void ossimEndian::swap ( ossim_uint16 *  data, ossim_uint32  size  ) const

inline

Definition at line 203 of file ossimEndian.h.

References size, and swapTwoBytes().

{
   swapTwoBytes(data, size);
}

swap() [16/21]

void ossimEndian::swap ( ossim_int32 *  data, ossim_uint32  size  ) const

inline

Definition at line 208 of file ossimEndian.h.

References size, and swapFourBytes().

{
   swapFourBytes(data, size);
}

swap() [17/21]

void ossimEndian::swap ( ossim_uint32 *  data, ossim_uint32  size  ) const

inline

Definition at line 213 of file ossimEndian.h.

References size, and swapFourBytes().

{
   swapFourBytes(data, size);
}

swap() [18/21]

void ossimEndian::swap ( ossim_int64 *  data, ossim_uint32  size  ) const

inline

Definition at line 218 of file ossimEndian.h.

References size, and swapEightBytes().

{
   swapEightBytes(data, size);
}

swap() [19/21]

void ossimEndian::swap ( ossim_uint64 *  data, ossim_uint32  size  ) const

inline

Definition at line 223 of file ossimEndian.h.

References size, and swapEightBytes().

{
   swapEightBytes(data, size);
}

swap() [20/21]

void ossimEndian::swap ( ossim_float32 *  data, ossim_uint32  size  ) const

inline

Definition at line 228 of file ossimEndian.h.

References size, and swapFourBytes().

{
   swapFourBytes(data, size);
}

swap() [21/21]

void ossimEndian::swap ( ossim_float64 *  data, ossim_uint32  size  ) const

inline

Definition at line 233 of file ossimEndian.h.

References size, and swapEightBytes().

{
   swapEightBytes(data, size);
}

swapEightBytes() [1/2]

void ossimEndian::swapEightBytes ( void *  data, ossim_uint32  size  ) const

inline

Definition at line 260 of file ossimEndian.h.

References size.

Referenced by swap(), and ossimTiffInfo::swapBytes().

{
   ossim_uint64* buf = reinterpret_cast<ossim_uint64*>(data);
   for (ossim_uint32 i=0; i<size; ++i)
   {
      buf[i]
         = (  ((buf[i] & 0xff00000000000000ull) >> 56)
            | ((buf[i] & 0x00ff000000000000ull) >> 40)
            | ((buf[i] & 0x0000ff0000000000ull) >> 24)
            | ((buf[i] & 0x000000ff00000000ull) >> 8)
            | ((buf[i] & 0x00000000ff000000ull) << 8)
            | ((buf[i] & 0x0000000000ff0000ull) << 24)
            | ((buf[i] & 0x000000000000ff00ull) << 40)
            | ((buf[i] & 0x00000000000000ffull) << 56));
   }
}

swapEightBytes() [2/2]

void ossimEndian::swapEightBytes ( void *  data ) const

inlineprivate

Definition at line 150 of file ossimEndian.h.

References swapPrivate().

{
   unsigned char *c = reinterpret_cast<unsigned char*>(data);

   swapPrivate(&c[0], &c[7]);
   swapPrivate(&c[1], &c[6]);
   swapPrivate(&c[2], &c[5]);
   swapPrivate(&c[3], &c[4]);
}

swapFourBytes() [1/2]

void ossimEndian::swapFourBytes ( void *  data, ossim_uint32  size  ) const

inline

Definition at line 247 of file ossimEndian.h.

References size.

Referenced by swap(), and ossimTiffInfo::swapBytes().

{
   ossim_uint32* buf = reinterpret_cast<ossim_uint32*>(data);
   for (ossim_uint32 i=0; i<size; ++i)
   {
      buf[i]
         = (  ((buf[i] & 0xff000000) >> 24)
            | ((buf[i] & 0x00ff0000) >> 8)
            | ((buf[i] & 0x0000ff00) << 8)
            | ((buf[i] & 0x000000ff) << 24));
   }
}

swapFourBytes() [2/2]

void ossimEndian::swapFourBytes ( void *  data ) const

inlineprivate

Definition at line 142 of file ossimEndian.h.

References swapPrivate().

{
   unsigned char *c = reinterpret_cast<unsigned char*>(data);

   swapPrivate(&c[0], &c[3]);
   swapPrivate(&c[1], &c[2]);
}

swapPrivate()

void ossimEndian::swapPrivate ( ossim_uint8 *  c1, ossim_uint8 *  c2  ) const

inlineprivate

Definition at line 160 of file ossimEndian.h.

Referenced by swapEightBytes(), swapFourBytes(), and swapTwoBytes().

{
   ossim_uint8 temp_c = *c1;
   *c1 = *c2;
   *c2 = temp_c;
}

swapTwoBytes() [1/2]

void ossimEndian::swapTwoBytes ( void *  data, ossim_uint32  size  ) const

inline

Definition at line 238 of file ossimEndian.h.

References size.

Referenced by swap(), and ossimTiffInfo::swapBytes().

{
   ossim_uint16* buf = reinterpret_cast<ossim_uint16*>(data);
   for (ossim_uint32 i=0; i<size; ++i)
   {
      buf[i] = ((buf[i] & 0x00ff) << 8) | ((buf[i] & 0xff00) >> 8);
   }
}

swapTwoBytes() [2/2]

void ossimEndian::swapTwoBytes ( void *  data ) const

inlineprivate

Definition at line 135 of file ossimEndian.h.

References swapPrivate().

{
   unsigned char *c = reinterpret_cast<unsigned char*>(data);

   swapPrivate(&c[0], &c[1]);
}

Member Data Documentation

theSystemEndianType

ossimByteOrder ossimEndian::theSystemEndianType

private

Definition at line 68 of file ossimEndian.h.

Referenced by getSystemEndianType(), and ossimEndian().

---

The documentation for this class was generated from the following files:

• ossimEndian.h
• ossimEndian.cpp