DD::Image::RefCountedFloatBuffer Class Reference

List of all members.

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= (const RefCountedFloatBuffer &otherBuffer)
	assignment operator (will free existing buffer if any)
	operator const float * () const
	convert to const float*
	operator float * ()
	convert to float*
RefCountedFloatBuffer	operator+ (ptrdiff_t value) const
	add an offset
RefCountedFloatBuffer	operator- (ptrdiff_t value) const
	subtract an offset
void	operator+= (ptrdiff_t value)
	add an offset
void	operator-= (ptrdiff_t value)
	subtract an offset
RefCountedFloatBuffer	operator++ ()
	increment, return the old value
RefCountedFloatBuffer &	operator++ (int)
	increment, return the new value
RefCountedFloatBuffer	operator-- ()
	decrement, return the old value
RefCountedFloatBuffer &	operator-- (int)
	increment, return the new value
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
Static Public Member Functions
static RefCountedFloatBuffer	allocate (size_t size)
	allocate some new memory for a buffer

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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.