#include <ossimNitfImageDataMaskV2_1.h>

Public Member Functions
	ossimNitfImageDataMaskV2_1 ()

void	setBlockCount (ossim_uint32 blockCount)

void	setBlockLengthInBytes (ossim_uint32 blockLength)

void	setIncludeBlock (ossim_uint32 blockNumber, bool included)

void	writeStream (std::ostream &out)

Private Attributes
std::vector< bool >	theIncludedBlocks

ossim_uint32	theBlockLength

Detailed Description

Definition at line 20 of file ossimNitfImageDataMaskV2_1.h.

Constructor & Destructor Documentation

◆ ossimNitfImageDataMaskV2_1()

ossimNitfImageDataMaskV2_1::ossimNitfImageDataMaskV2_1 ( )

Definition at line 16 of file ossimNitfImageDataMaskV2_1.cpp.

                                                        : theBlockLength(0)
 {
 }

Member Function Documentation

◆ setBlockCount()

void ossimNitfImageDataMaskV2_1::setBlockCount ( ossim_uint32 blockCount )

Definition at line 20 of file ossimNitfImageDataMaskV2_1.cpp.

References theIncludedBlocks.

Referenced by ossimNitfWriter::writeBlockBandSeparate().

 {
    theIncludedBlocks.resize(blockCount, true);
 }

◆ setBlockLengthInBytes()

void ossimNitfImageDataMaskV2_1::setBlockLengthInBytes ( ossim_uint32 blockLength )

Definition at line 25 of file ossimNitfImageDataMaskV2_1.cpp.

References theBlockLength.

Referenced by ossimNitfWriter::writeBlockBandSeparate().

 {
    theBlockLength = blockLength;
 }

◆ setIncludeBlock()

void ossimNitfImageDataMaskV2_1::setIncludeBlock	(	ossim_uint32	blockNumber,
		bool	included
	)

Definition at line 30 of file ossimNitfImageDataMaskV2_1.cpp.

References theIncludedBlocks.

Referenced by ossimNitfWriter::writeBlockBandSeparate().

 {
    if (blockNumber < theIncludedBlocks.size())
    {
       theIncludedBlocks[blockNumber] = included;
    }
 }

◆ writeStream()

void ossimNitfImageDataMaskV2_1::writeStream ( std::ostream & out )

Definition at line 38 of file ossimNitfImageDataMaskV2_1.cpp.

References ossimEndian::getSystemEndianType(), OSSIM_LITTLE_ENDIAN, ossimEndian::swap(), theBlockLength, and theIncludedBlocks.

Referenced by ossimNitfWriter::writeBlockBandSeparate().

 {
    ossimEndian endian;
 
    ossim_uint32 imdatoff = 4 + 2 + 2 + 2 + 4 * theIncludedBlocks.size();
    ossim_uint16 bmrlnth = 4; // only support band mask
    ossim_uint16 tmrlnth = 0;
    ossim_uint16 tpxcdlnth = 0;
 
    if(endian.getSystemEndianType() == OSSIM_LITTLE_ENDIAN)
    {
       endian.swap(imdatoff);
       endian.swap(bmrlnth);
       endian.swap(tmrlnth);
       endian.swap(tpxcdlnth);
    }
 
    out.write(reinterpret_cast<char*>(&imdatoff), sizeof(imdatoff));
    out.write(reinterpret_cast<char*>(&bmrlnth), sizeof(bmrlnth));
    out.write(reinterpret_cast<char*>(&tmrlnth), sizeof(tmrlnth));
    out.write(reinterpret_cast<char*>(&tpxcdlnth), sizeof(tpxcdlnth));
 
    ossim_uint32 position = 0;
    // Band Masks
    for (std::vector<bool>::const_iterator iter = theIncludedBlocks.begin();
       iter != theIncludedBlocks.end(); ++iter)
    {
       ossim_uint32 offset = 0xFFFFFFFF;
       if (*iter)
       {
          offset = position;
          position += theBlockLength;
       }
       if (endian.getSystemEndianType() == OSSIM_LITTLE_ENDIAN)
       {
          endian.swap(offset);
       }
       out.write(reinterpret_cast<char*>(&offset), sizeof(offset));
    }
 
    // Pad pixels not supported, always set to length 0, so don't need to write anything
 }