j2d.filters
Class Histogram

java.lang.Object
  j2d.filters.Histogram

public class Histogram
extends java.lang.Object

An image histogram.

Field Summary

static int	BLUE
static int	GRAY
static int	GREEN
static int	RED

Constructor Summary

Histogram()

Histogram(int[] pixels, int w, int h, int offset, int stride)

Method Summary

int	getFrequency(int value)
int	getFrequency(int channel, int value)
int	getMaxFrequency()
int	getMaxFrequency(int channel)
int	getMaxValue()
int	getMaxValue(int channel)
float	getMeanValue()
float	getMeanValue(int channel)
int	getMinFrequency()
int	getMinFrequency(int channel)
int	getMinValue()
int	getMinValue(int channel)
int	getNumSamples()
boolean	isGray()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RED

public static final int RED

See Also:

Constant Field Values

GREEN

public static final int GREEN

See Also:

Constant Field Values

BLUE

public static final int BLUE

See Also:

Constant Field Values

GRAY

public static final int GRAY

See Also:

Constant Field Values

Constructor Detail

Histogram

public Histogram()

Histogram

public Histogram(int[] pixels,
                 int w,
                 int h,
                 int offset,
                 int stride)

Method Detail

isGray

public boolean isGray()

getNumSamples

public int getNumSamples()

getFrequency

public int getFrequency(int value)

getFrequency

public int getFrequency(int channel,
                        int value)

getMinFrequency

public int getMinFrequency()

getMinFrequency

public int getMinFrequency(int channel)

getMaxFrequency

public int getMaxFrequency()

getMaxFrequency

public int getMaxFrequency(int channel)

getMinValue

public int getMinValue()

getMinValue

public int getMinValue(int channel)

getMaxValue

public int getMaxValue()

getMaxValue

public int getMaxValue(int channel)

getMeanValue

public float getMeanValue()

getMeanValue

public float getMeanValue(int channel)