ossimRpfColorGrayscaleTable Class Reference

#include <ossimRpfColorGrayscaleTable.h>

Public Member Functions
	ossimRpfColorGrayscaleTable ()
	ossimRpfColorGrayscaleTable (const ossimRpfColorGrayscaleTable &rhs)
virtual	~ossimRpfColorGrayscaleTable ()
ossimErrorCode	parseStream (std::istream &in, ossimByteOrder byteOrder)
void	setTableData (unsigned short id, unsigned long numberOfElements)
const ossimRpfColorGrayscaleTable &	operator= (const ossimRpfColorGrayscaleTable &)
const unsigned char *	getData () const
const unsigned char *	getStartOfData (unsigned long entry) const
unsigned short	getTableId () const
unsigned long	getNumberOfElements () const

Private Attributes
unsigned long	theNumberOfElements
unsigned long	theTotalNumberOfBytes
unsigned short	theTableId
unsigned char *	theData

Friends
std::ostream &	operator<< (std::ostream &out, const ossimRpfColorGrayscaleTable &data)

Detailed Description

Definition at line 8 of file ossimRpfColorGrayscaleTable.h.

Constructor & Destructor Documentation

ossimRpfColorGrayscaleTable() [1/2]

ossimRpfColorGrayscaleTable::ossimRpfColorGrayscaleTable

(

)

Definition at line 16 of file ossimRpfColorGrayscaleTable.cpp.

   :theNumberOfElements(0),
    theTotalNumberOfBytes(0),
    theTableId(0),
    theData(NULL)
{
}

ossimRpfColorGrayscaleTable() [2/2]

ossimRpfColorGrayscaleTable::ossimRpfColorGrayscaleTable

(

const ossimRpfColorGrayscaleTable &

rhs

)

Definition at line 24 of file ossimRpfColorGrayscaleTable.cpp.

   :theNumberOfElements(0),
    theTotalNumberOfBytes(0),
    theTableId(0),
    theData(NULL)
{
   *this = rhs;
}

~ossimRpfColorGrayscaleTable()

ossimRpfColorGrayscaleTable::~ossimRpfColorGrayscaleTable ( )

virtual

Definition at line 34 of file ossimRpfColorGrayscaleTable.cpp.

References theData.

{
   if(theData)
   {
      delete [] theData;
      theData = NULL;
   }
}

Member Function Documentation

getData()

const unsigned char* ossimRpfColorGrayscaleTable::getData ( ) const

inline

Definition at line 25 of file ossimRpfColorGrayscaleTable.h.

References theData.

{return theData;}

getNumberOfElements()

unsigned long ossimRpfColorGrayscaleTable::getNumberOfElements ( ) const

inline

Definition at line 28 of file ossimRpfColorGrayscaleTable.h.

References theNumberOfElements.

{return theNumberOfElements;}

getStartOfData()

const unsigned char * ossimRpfColorGrayscaleTable::getStartOfData

(

unsigned long

entry

)

const

Definition at line 61 of file ossimRpfColorGrayscaleTable.cpp.

References theData, and theTableId.

{
   unsigned long offset = 0;

   switch(theTableId)
   {
   case 1: // this is in format RGB
   {
      offset = 3*entry;
      break;
   }
   case 2: // format RGBM
   case 4: // format CMYK
   {
      offset = 4*entry;
      break;
   }
   case 3: // format M
   {
      offset = entry;
      break;
   }
   }

   return (const unsigned char*)(theData + offset);
}

getTableId()

unsigned short ossimRpfColorGrayscaleTable::getTableId ( ) const

inline

Definition at line 27 of file ossimRpfColorGrayscaleTable.h.

References theTableId.

{return theTableId;}

operator=()

const ossimRpfColorGrayscaleTable & ossimRpfColorGrayscaleTable::operator=

(

const ossimRpfColorGrayscaleTable &

rhs

)

Definition at line 131 of file ossimRpfColorGrayscaleTable.cpp.

References theData, theNumberOfElements, theTableId, and theTotalNumberOfBytes.

{
   
   if(&rhs != this)
   {
      theNumberOfElements   = rhs.theNumberOfElements;
      theTotalNumberOfBytes = rhs.theTotalNumberOfBytes;
      theTableId            = rhs.theTableId;
      if(theData)
      {
         delete theData;
         theData = NULL;
      }
      if(theTotalNumberOfBytes&&rhs.theData)
      {
         theData = new unsigned char[theTotalNumberOfBytes];
         
         memcpy(theData, rhs.theData, theTotalNumberOfBytes);
      }
   }
   
   return *this;
}

parseStream()

ossimErrorCode ossimRpfColorGrayscaleTable::parseStream	(	std::istream &	in,
		ossimByteOrder	byteOrder
	)

Definition at line 43 of file ossimRpfColorGrayscaleTable.cpp.

References ossimErrorCodes::OSSIM_ERROR, ossimErrorCodes::OSSIM_OK, theData, and theTotalNumberOfBytes.

{
   if(in)
   {
      if((theTotalNumberOfBytes > 0)&&theData)
      {
         in.read((char*)theData, theTotalNumberOfBytes);
      }
   }
   else
   {
      return ossimErrorCodes::OSSIM_ERROR;
   }

   return ossimErrorCodes::OSSIM_OK;
}

setTableData()

void ossimRpfColorGrayscaleTable::setTableData	(	unsigned short	id,
		unsigned long	numberOfElements
	)

Definition at line 88 of file ossimRpfColorGrayscaleTable.cpp.

References theData, theNumberOfElements, theTableId, and theTotalNumberOfBytes.

{
   if(theData)
   {
      delete theData;
      theData = NULL;
   }

   unsigned long totalBytes = 0;
   
   switch(id)
   {
   case 1: // this is in format RGB
   {
      totalBytes = 3*numberOfElements;
      break;
   }
   case 2: // format RGBM
   case 4: // format CMYK
   {
      totalBytes = 4*numberOfElements;
      break;
   }
   case 3: // format M
   {
      totalBytes = numberOfElements;
      break;
   }
   }

   if(totalBytes > 0)
   {
      theTableId            = id;
      theNumberOfElements   = numberOfElements;
      theTotalNumberOfBytes = totalBytes;

      theData = new unsigned char[totalBytes];
   }
}

Friends And Related Function Documentation

operator<<

std::ostream& operator<< ( std::ostream &  out, const ossimRpfColorGrayscaleTable &  data  )

friend

Definition at line 6 of file ossimRpfColorGrayscaleTable.cpp.

{
   out << "theNumberOfElements:                   " << data.theNumberOfElements
       << "\ntheTotalNumberOfBytes:                 " << data.theTotalNumberOfBytes
       << "\ntheTableId:                            " << data.theTableId;

   return out;
}

Member Data Documentation

theData

unsigned char* ossimRpfColorGrayscaleTable::theData

private

Definition at line 46 of file ossimRpfColorGrayscaleTable.h.

Referenced by getData(), getStartOfData(), operator=(), parseStream(), setTableData(), and ~ossimRpfColorGrayscaleTable().

theNumberOfElements

unsigned long ossimRpfColorGrayscaleTable::theNumberOfElements

private

Definition at line 31 of file ossimRpfColorGrayscaleTable.h.

Referenced by getNumberOfElements(), operator<<(), operator=(), and setTableData().

theTableId

unsigned short ossimRpfColorGrayscaleTable::theTableId

private

This will not be parsed from the stream. This is set when reading the offset record for this table. The id defines the format of the data buffer. if the id is :

1 then the buffer is in the format of RGB 2 "" RGBM 3 "" M 4 "" CMYK

Definition at line 45 of file ossimRpfColorGrayscaleTable.h.

Referenced by getStartOfData(), getTableId(), operator<<(), operator=(), and setTableData().

theTotalNumberOfBytes

unsigned long ossimRpfColorGrayscaleTable::theTotalNumberOfBytes

private

Definition at line 33 of file ossimRpfColorGrayscaleTable.h.

Referenced by operator<<(), operator=(), parseStream(), and setTableData().

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

• ossimRpfColorGrayscaleTable.h
• ossimRpfColorGrayscaleTable.cpp