Package com.intellij.ui

Class ColorUtil

java.lang.Object

com.intellij.ui.ColorUtil

public class ColorUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static boolean	areContrasting(java.awt.Color c1, java.awt.Color c2)
static java.awt.Color	brighter(java.awt.Color color, int tones)
static java.awt.Color	darker(java.awt.Color color, int tones)
static java.awt.Color	desaturate(java.awt.Color color, int tones)
static java.awt.Color	dimmer(java.awt.Color color)
static java.awt.Color	fromHex(java.lang.String str) Return Color object from string.
static java.awt.Color	fromHex(java.lang.String str, java.awt.Color defaultValue)
static double	getContrast(java.awt.Color c1, java.awt.Color c2) Contrast ratios can range from 1 to 21 (commonly written 1:1 to 21:1).
static double	getLuminance(java.awt.Color color)
static java.awt.Color	hackBrightness(java.awt.Color color, int howMuch, float hackValue)
static java.awt.Color	hackBrightness(int r, int g, int b, int howMuch, float hackValue)
static boolean	isDark(java.awt.Color c)
static java.awt.Color	marker(java.lang.String name)
static java.awt.Color	mix(java.awt.Color c1, java.awt.Color c2, double balance)
static java.awt.Color	saturate(java.awt.Color color, int tones)
static java.awt.Color	shift(java.awt.Color c, double d)
static java.awt.Color	softer(java.awt.Color color)
static java.awt.Color	toAlpha(java.awt.Color color, int a)
static java.lang.String	toHex(java.awt.Color c)
static java.lang.String	toHex(java.awt.Color c, boolean withAlpha)
static java.lang.String	toHtmlColor(java.awt.Color c)
static java.awt.Color	withAlpha(java.awt.Color c, double a)
static java.awt.Color	withPreAlpha(java.awt.Color c, double a)

Methods inherited from class java.lang.Object

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

Method Detail

marker

public static java.awt.Color marker(java.lang.String name)

softer

public static java.awt.Color softer(java.awt.Color color)

darker

public static java.awt.Color darker(java.awt.Color color,
                                    int tones)

brighter

public static java.awt.Color brighter(java.awt.Color color,
                                      int tones)

hackBrightness

public static java.awt.Color hackBrightness(java.awt.Color color,
                                            int howMuch,
                                            float hackValue)

hackBrightness

public static java.awt.Color hackBrightness(int r,
                                            int g,
                                            int b,
                                            int howMuch,
                                            float hackValue)

saturate

public static java.awt.Color saturate(java.awt.Color color,
                                      int tones)

desaturate

public static java.awt.Color desaturate(java.awt.Color color,
                                        int tones)

dimmer

public static java.awt.Color dimmer(java.awt.Color color)

shift

public static java.awt.Color shift(java.awt.Color c,
                                   double d)

withAlpha

public static java.awt.Color withAlpha(java.awt.Color c,
                                       double a)

withPreAlpha

public static java.awt.Color withPreAlpha(java.awt.Color c,
                                          double a)

toAlpha

public static java.awt.Color toAlpha(java.awt.Color color,
                                     int a)

toHex

public static java.lang.String toHex(java.awt.Color c)

toHex

public static java.lang.String toHex(java.awt.Color c,
                                     boolean withAlpha)

toHtmlColor

public static java.lang.String toHtmlColor(java.awt.Color c)

fromHex

public static java.awt.Color fromHex(java.lang.String str)

Return Color object from string. The following formats are allowed: 0xA1B2C3, #abc123, ABC123, ab5, #FFF.

Parameters:

str - hex string

Returns:

Color object

fromHex

public static java.awt.Color fromHex(java.lang.String str,
                                     java.awt.Color defaultValue)

isDark

public static boolean isDark(java.awt.Color c)

Parameters:

c - color to check

Returns:

dark or not

areContrasting

public static boolean areContrasting(java.awt.Color c1,
                                     java.awt.Color c2)

getContrast

public static double getContrast(java.awt.Color c1,
                                 java.awt.Color c2)

Contrast ratios can range from 1 to 21 (commonly written 1:1 to 21:1). Text foreground and background colors shall have contrast ration of at least 4.5:1, large-scale text - of at least 3:1.

See Also:

W3C contrast ratio definition

getLuminance

public static double getLuminance(java.awt.Color color)

See Also:

W3C relative luminance definition

mix

public static java.awt.Color mix(java.awt.Color c1,
                                 java.awt.Color c2,
                                 double balance)