Package org.jivesoftware.smackx.jingleold.mediaimpl.sshare.api

Class PixelUtils

java.lang.Object

org.jivesoftware.smackx.jingleold.mediaimpl.sshare.api.PixelUtils

public class PixelUtils
extends java.lang.Object

Some more useful math functions for image processing. These are becoming obsolete as we move to Java2D. Use MiscComposite instead.

Field Summary

Fields

Modifier and Type	Field	Description
static int	ADD
static int	ALPHA
static int	ALPHA_TO_GRAY
static int	AVERAGE
static int	CLEAR
static int	COLOR
static int	DIFFERENCE
static int	DISSOLVE
static int	DST_IN
static int	EXCHANGE
static int	HUE
static int	MAX
static int	MIN
static int	MULTIPLY
static int	NORMAL
static int	OVERLAY
static int	REPLACE
static int	SATURATION
static int	SCREEN
static int	SUBTRACT
static int	VALUE

Constructor Summary

Constructors

Constructor	Description
PixelUtils()

Method Summary

Modifier and Type	Method	Description
static int	brightness(int rgb)
static int	clamp(int c)	Clamp a value to the range 0..255.
static int	combinePixels(int rgb1, int rgb2, int op)
static int	combinePixels(int rgb1, int rgb2, int op, int extraAlpha)
static int	combinePixels(int rgb1, int rgb2, int op, int extraAlpha, int channelMask)
static int	interpolate(int v1, int v2, float f)
static boolean	nearColors(int rgb1, int rgb2, int tolerance)

Methods inherited from class java.lang.Object

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

Field Detail

REPLACE

public static final int REPLACE

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Constant Field Values

NORMAL

public static final int NORMAL

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Constant Field Values

MIN

public static final int MIN

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Constant Field Values

MAX

public static final int MAX

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Constant Field Values

ADD

public static final int ADD

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Constant Field Values

SUBTRACT

public static final int SUBTRACT

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Constant Field Values

DIFFERENCE

public static final int DIFFERENCE

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Constant Field Values

MULTIPLY

public static final int MULTIPLY

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Constant Field Values

HUE

public static final int HUE

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Constant Field Values

SATURATION

public static final int SATURATION

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Constant Field Values

VALUE

public static final int VALUE

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Constant Field Values

COLOR

public static final int COLOR

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Constant Field Values

SCREEN

public static final int SCREEN

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Constant Field Values

AVERAGE

public static final int AVERAGE

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Constant Field Values

OVERLAY

public static final int OVERLAY

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Constant Field Values

CLEAR

public static final int CLEAR

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Constant Field Values

EXCHANGE

public static final int EXCHANGE

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Constant Field Values

DISSOLVE

public static final int DISSOLVE

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Constant Field Values

DST_IN

public static final int DST_IN

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Constant Field Values

ALPHA

public static final int ALPHA

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Constant Field Values

ALPHA_TO_GRAY

public static final int ALPHA_TO_GRAY

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Constant Field Values

Constructor Detail

PixelUtils

public PixelUtils()

Method Detail

clamp

public static int clamp(int c)

Clamp a value to the range 0..255.

Parameters:

c - the input integer.

Returns:

the output integer.

interpolate

public static int interpolate(int v1,
                              int v2,
                              float f)

brightness

public static int brightness(int rgb)

nearColors

public static boolean nearColors(int rgb1,
                                 int rgb2,
                                 int tolerance)

combinePixels

public static int combinePixels(int rgb1,
                                int rgb2,
                                int op)

combinePixels

public static int combinePixels(int rgb1,
                                int rgb2,
                                int op,
                                int extraAlpha,
                                int channelMask)

combinePixels

public static int combinePixels(int rgb1,
                                int rgb2,
                                int op,
                                int extraAlpha)