vil_memory_chunk Class Reference

#include <vil_memory_chunk.h>

List of all members.

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Detailed Description

Ref. counted block of data on the heap.

Image data block used by vil_image_view<T>.

Definition at line 14 of file vil_memory_chunk.h.

Public Member Functions
	vil_memory_chunk ()
	Dflt ctor.
	vil_memory_chunk (unsigned long n, vil_pixel_format pixel_format)
	Allocate n bytes of memory.
	vil_memory_chunk (const vil_memory_chunk &)
	Copy ctor.
vil_memory_chunk &	operator= (const vil_memory_chunk &)
	Copy operator.
virtual	~vil_memory_chunk ()
	Destructor.
void	ref ()
	Increment reference count.
void	unref ()
	Decrement reference count.
int	ref_count () const
	Number of objects referring to this data.
void *	data ()
	Pointer to first element of data.
void *	const_data () const
	Pointer to first element of data.
vil_pixel_format	pixel_format () const
	Indicate what format data is to be saved as in binary IO.
unsigned long	size () const
	Number of bytes allocated.
void	set_size (unsigned long n, vil_pixel_format pixel_format)
	Create space for n bytes.
Private Attributes
void *	data_
	Data.
unsigned long	size_
	Number of elements (bytes).
vil_pixel_format	pixel_format_
	Indicate what format data is (used for binary IO).
int	ref_count_
	Reference count.

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Constructor & Destructor Documentation

vil_memory_chunk::vil_memory_chunk (   )

Dflt ctor. Definition at line 11 of file vil_memory_chunk.cxx.

vil_memory_chunk::vil_memory_chunk (  unsigned long  n, vil_pixel_format  pixel_format )

Allocate n bytes of memory. Parameters: pixel_format  indicates what format to be used for binary IO, and should always be a scalar type. Definition at line 17 of file vil_memory_chunk.cxx.

vil_memory_chunk::vil_memory_chunk (  const vil_memory_chunk &   )

Copy ctor. Definition at line 30 of file vil_memory_chunk.cxx.

vil_memory_chunk::~vil_memory_chunk (   )  [virtual]

Destructor. Definition at line 24 of file vil_memory_chunk.cxx.

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Member Function Documentation

void* vil_memory_chunk::const_data (   )  const [inline]

Pointer to first element of data. Definition at line 60 of file vil_memory_chunk.h.

void* vil_memory_chunk::data (   )  [inline]

Pointer to first element of data. Definition at line 57 of file vil_memory_chunk.h.

vil_memory_chunk & vil_memory_chunk::operator= (  const vil_memory_chunk &   )

Copy operator. Definition at line 37 of file vil_memory_chunk.cxx.

vil_pixel_format vil_memory_chunk::pixel_format (   )  const [inline]

Indicate what format data is to be saved as in binary IO. Definition at line 63 of file vil_memory_chunk.h.

void vil_memory_chunk::ref (   )  [inline]

Increment reference count. Definition at line 48 of file vil_memory_chunk.h.

int vil_memory_chunk::ref_count (   )  const [inline]

Number of objects referring to this data. Definition at line 54 of file vil_memory_chunk.h.

void vil_memory_chunk::set_size (  unsigned long  n, vil_pixel_format  pixel_format )

Create space for n bytes. pixel_format indicates what format to be used for binary IO Definition at line 60 of file vil_memory_chunk.cxx.

unsigned long vil_memory_chunk::size (   )  const [inline]

Number of bytes allocated. Definition at line 66 of file vil_memory_chunk.h.

void vil_memory_chunk::unref (   )

Decrement reference count. Definition at line 47 of file vil_memory_chunk.cxx.

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Member Data Documentation

void* vil_memory_chunk::data_ [private]

Data. Definition at line 17 of file vil_memory_chunk.h.

vil_pixel_format vil_memory_chunk::pixel_format_ [private]

Indicate what format data is (used for binary IO). Should always be a scalar type. Definition at line 24 of file vil_memory_chunk.h.

int vil_memory_chunk::ref_count_ [private]

Reference count. Definition at line 27 of file vil_memory_chunk.h.

unsigned long vil_memory_chunk::size_ [private]

Number of elements (bytes). Definition at line 20 of file vil_memory_chunk.h.

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

• core/vil/vil_memory_chunk.h
• core/vil/vil_memory_chunk.cxx

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