程序包 org.meteoinfo.image.filter

类 PixelUtils

java.lang.Object

org.meteoinfo.image.filter.PixelUtils

public class PixelUtils
extends Object

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

字段概要

字段

修饰符和类型	字段	说明
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

构造器概要

构造器

构造器	说明
PixelUtils()

方法概要

修饰符和类型	方法	说明
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)

从类继承的方法 java.lang.Object

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

字段详细资料

REPLACE

public static final int REPLACE

另请参阅:

常量字段值

NORMAL

public static final int NORMAL

另请参阅:

常量字段值

MIN

public static final int MIN

另请参阅:

常量字段值

MAX

public static final int MAX

另请参阅:

常量字段值

ADD

public static final int ADD

另请参阅:

常量字段值

SUBTRACT

public static final int SUBTRACT

另请参阅:

常量字段值

DIFFERENCE

public static final int DIFFERENCE

另请参阅:

常量字段值

MULTIPLY

public static final int MULTIPLY

另请参阅:

常量字段值

HUE

public static final int HUE

另请参阅:

常量字段值

SATURATION

public static final int SATURATION

另请参阅:

常量字段值

VALUE

public static final int VALUE

另请参阅:

常量字段值

COLOR

public static final int COLOR

另请参阅:

常量字段值

SCREEN

public static final int SCREEN

另请参阅:

常量字段值

AVERAGE

public static final int AVERAGE

另请参阅:

常量字段值

OVERLAY

public static final int OVERLAY

另请参阅:

常量字段值

CLEAR

public static final int CLEAR

另请参阅:

常量字段值

EXCHANGE

public static final int EXCHANGE

另请参阅:

常量字段值

DISSOLVE

public static final int DISSOLVE

另请参阅:

常量字段值

DST_IN

public static final int DST_IN

另请参阅:

常量字段值

ALPHA

public static final int ALPHA

另请参阅:

常量字段值

ALPHA_TO_GRAY

public static final int ALPHA_TO_GRAY

另请参阅:

常量字段值

构造器详细资料

PixelUtils

public PixelUtils()

方法详细资料

clamp

public static int clamp(int c)

Clamp a value to the range 0..255

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)