org.hkijena.jipipe.utils

Class ColorUtils

java.lang.Object

org.hkijena.jipipe.utils.ColorUtils

public class ColorUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ColorUtils.GradientStop

Field Summary

Fields

Modifier and Type	Field and Description
static Color	BLACK_TRANSPARENT
static Map<String,Color>	COLOR_MAP
static String	PARSE_COLOR_DESCRIPTION
static Color	WHITE_TRANSPARENT

Constructor Summary

Constructors

Constructor and Description
ColorUtils()

Method Summary

Modifier and Type	Method and Description
static String	colorToHexString(Color color) Converts a color to a Hex string
static Color	hexStringToColor(String s) Converts a hex color string #RRGGBB or #RRGGBBAA to a color
static Color	parseColor(String colorString) Parses a color
static Color[]	renderGradient(List<ColorUtils.GradientStop> stops, int numColors)
static Color	scaleHSV(Color color, float hFactor, float sFactor, float vFactor) Applies scaling in HSV space
static Color	setAlpha(Color color, int alpha)

Methods inherited from class java.lang.Object

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

Field Detail

COLOR_MAP

public static final Map<String,Color> COLOR_MAP

PARSE_COLOR_DESCRIPTION

public static final String PARSE_COLOR_DESCRIPTION

See Also:

Constant Field Values

WHITE_TRANSPARENT

public static Color WHITE_TRANSPARENT

BLACK_TRANSPARENT

public static Color BLACK_TRANSPARENT

Constructor Detail

ColorUtils

public ColorUtils()

Method Detail

scaleHSV

public static Color scaleHSV(Color color,
                             float hFactor,
                             float sFactor,
                             float vFactor)

Applies scaling in HSV space

Parameters:

color - the color

hFactor - factor for H

sFactor - factor for S

vFactor - factor for V

Returns:

scaled color

parseColor

public static Color parseColor(String colorString)

Parses a color

Parameters:

colorString - the color string

Returns:

the color or null if none was found

colorToHexString

public static String colorToHexString(Color color)

Converts a color to a Hex string

Parameters:

color - the color

Returns:

A hex string #RRGGBB or #RRGGBBAA (only if alpha is not 255)

hexStringToColor

public static Color hexStringToColor(String s)

Converts a hex color string #RRGGBB or #RRGGBBAA to a color

Parameters:

s - the string

Returns:

the color

setAlpha

public static Color setAlpha(Color color,
                             int alpha)

renderGradient

public static Color[] renderGradient(List<ColorUtils.GradientStop> stops,
                                     int numColors)