PNMImageHeader.Histogram Class Reference

List of all members.

Public Member Functions
	Histogram ()
int	getCount (PixelSpec const pixel)
	Returns the number of occurrences in the image of the indicated pixel color.
int	getCount (int n)
	Returns the number of occurrences in the image of the nth unique pixel color in the histogram.
int	getNumPixels ()
	Returns the number of unique pixel colors in the histogram.
PixelSpec const	getPixel (int n)
	Returns the nth unique pixel color in the histogram.
list	getPixels ()
	write (ostream out)

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Constructor & Destructor Documentation

Histogram

(

)

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Member Function Documentation

int getCount

(

PixelSpec const

pixel

)

Returns the number of occurrences in the image of the indicated pixel color.

int getCount

(

int

n

)

Returns the number of occurrences in the image of the nth unique pixel color in the histogram.

int getNumPixels

(

)

Returns the number of unique pixel colors in the histogram.

PixelSpec const getPixel

(

int

n

)

Returns the nth unique pixel color in the histogram.

These are ordered by default from most common to least common.

list getPixels

(

)

write

(

ostream

out

)