DD::Image::RefCountedFloatBuffer Class Reference

Public Member Functions
	RefCountedFloatBuffer ()
	construct a NULL buffer
	RefCountedFloatBuffer (const RefCountedFloatBuffer &otherBuffer)
	copy construct the pointer to the buffer
	~RefCountedFloatBuffer ()
	destructor (will free the buffer if the reference count becomes zero)
RefCountedFloatBuffer	operator+ (ptrdiff_t offset) const
RefCountedFloatBuffer &	operator= (const RefCountedFloatBuffer &otherBuffer)
	assignment operator (will free existing buffer if any)
	operator const float * () const
	convert to const float*
	operator float * ()
	convert to float*
void	print () const
	dump out debug information
void	reset ()
	reset to the NULL pointer
size_t	usage () const
	get the memory used for this buffer
int	refCount () const
	get the reference count for this buffer

Static Public Member Functions
static RefCountedFloatBuffer	allocate (const DD::Image::Box &bounds, int nComps, int pixelStep, int rowStep, int componentStep, size_t alignment=0)
	allocate some new memory for a buffer, optionally align memory (also rounds up allocated amount to multiple of alignment)

Detailed Description

Provides a reference counted float buffer. Has a pointer to the actual underlying buffer for the purpose of reference counting and also an offset which can be manipulated by pointer arithmetic.