Package cn.mapway.ui.client.util

Class Colors

java.lang.Object

cn.mapway.ui.client.util.Colors

public class Colors
extends Object

Colors 颜色处理

Author:

zhangjianshe@gmail.com

Field Summary

Fields

Modifier and Type	Field	Description
static final String	COLOR_BLACK
static final String	COLOR_BLUE
static final String	COLOR_GREEN
static final String	COLOR_RED
static final String	COLOR_YELLOW

Constructor Summary

Constructors

Constructor	Description
Colors()

Method Summary

Modifier and Type	Method	Description
static int	a(int color)
static int	b(int color)
static String	bytesToRGB(byte[] rgb)
static String	color(int index)
static int	colorFromBytes(byte[] rgba)
static byte[]	fromColor(String fillColor)	from #AABBCC to bytes
static int	fromColorByte(byte r, byte g, byte b, byte a)
static int	fromColorInt(int r, int g, int b, int a)
static int	fromHex(String colorHex)	将 #RRGGBBAA -> int color value
static byte[]	fromRgba(String color)
static int	fromRGBA(String rgbaColor)
static int	g(int color)
static int[]	hsv2rgb(double hue, double saturation, double value)
static String	index(int i)
static int	invertColor(int color, boolean bw)	不处理透明度信息
static String	invertColor(String color, boolean bw)
static void	main(String[] args)
static Integer	parseAlpha(String value)	// 用户输入了 78% -> 0.78*255 // 用户输入了 78 -> 78 // .......
static int	r(int color)
static String	randomBasicColor()
static String	randomColor()
static double[]	rgb2hsv(int r, int g, int b)
static int	setA(int color, int red)
static int	setB(int color, int red)
static int	setG(int color, int red)
static int	setR(int color, int red)
static byte[]	toBytes(int color)
static String	toColor(byte[] singleColor)
static String	toHex(String bgColor)	颜色转换 rgb(12,12,12) -> #112233
static String	toHexRGBA(int color, boolean withAlpha)	int to #RRGGBB(AA)
static String	toRGB(int[] rgb)
static String	toRGBA(byte[] singleColor)
static String	toRGBA(int color)	int color 0xRRGGBBAA => rgba(RR,GG,BB,AA/255)

Methods inherited from class java.lang.Object

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

Field Details

COLOR_BLACK

public static final String COLOR_BLACK

See Also:

• Constant Field Values

COLOR_RED

public static final String COLOR_RED

See Also:

• Constant Field Values

COLOR_YELLOW

public static final String COLOR_YELLOW

See Also:

• Constant Field Values

COLOR_BLUE

public static final String COLOR_BLUE

See Also:

• Constant Field Values

COLOR_GREEN

public static final String COLOR_GREEN

See Also:

• Constant Field Values

Constructor Details

Colors

public Colors()

Method Details

randomBasicColor

public static String randomBasicColor()

randomColor

public static String randomColor()

color

public static String color(int index)

toHex

public static String toHex(String bgColor)

颜色转换 rgb(12,12,12) -> #112233

Parameters:

bgColor -

Returns:

toHexRGBA

public static String toHexRGBA(int color,
 boolean withAlpha)

int to #RRGGBB(AA)

Parameters:

color -

withAlpha -

Returns:

fromHex

public static int fromHex(String colorHex)

将 #RRGGBBAA -> int color value

Parameters:

colorHex -

Returns:

hsv2rgb

public static int[] hsv2rgb(double hue,
 double saturation,
 double value)

rgb2hsv

public static double[] rgb2hsv(int r,
 int g,
 int b)

toRGB

public static String toRGB(int[] rgb)

bytesToRGB

public static String bytesToRGB(byte[] rgb)

index

public static String index(int i)

invertColor

public static String invertColor(String color,
 boolean bw)

Parameters:

color - #FF00EE

Returns:

invertColor

public static int invertColor(int color,
 boolean bw)

不处理透明度信息

Parameters:

color -

bw -

Returns:

fromRgba

public static byte[] fromRgba(String color)

toColor

public static String toColor(byte[] singleColor)

toRGBA

public static String toRGBA(byte[] singleColor)

fromRGBA

public static int fromRGBA(String rgbaColor)

toRGBA

public static String toRGBA(int color)

int color 0xRRGGBBAA => rgba(RR,GG,BB,AA/255)

Parameters:

color -

Returns:

toBytes

public static byte[] toBytes(int color)

main

public static void main(String[] args)

fromColor

public static byte[] fromColor(String fillColor)

from #AABBCC to bytes

Parameters:

fillColor -

Returns:

r

public static int r(int color)

g

public static int g(int color)

b

public static int b(int color)

a

public static int a(int color)

colorFromBytes

public static int colorFromBytes(byte[] rgba)

fromColorInt

public static int fromColorInt(int r,
 int g,
 int b,
 int a)

fromColorByte

public static int fromColorByte(byte r,
 byte g,
 byte b,
 byte a)

setR

public static int setR(int color,
 int red)

setG

public static int setG(int color,
 int red)

setB

public static int setB(int color,
 int red)

setA

public static int setA(int color,
 int red)

parseAlpha

public static Integer parseAlpha(String value)

// 用户输入了 78% -> 0.78*255 // 用户输入了 78 -> 78 // ....... >255 -> 255 // ....... <0 -> 0

Parameters:

value - 可以使 AA% 也可以是 [0-255]之间的值

Returns:

[0-255]之间的值