org.oscim.backend.canvas

Class Color

java.lang.Object

org.oscim.backend.canvas.Color

public final class Color
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	BLACK
static int	BLUE
static int	CYAN
static int	DKGRAY
static int	GRAY
static int	GREEN
static int	LTGRAY
static int	MAGENTA
static int	RED
static int	TRANSPARENT
static int	WHITE
static int	YELLOW

Method Summary

Modifier and Type	Method and Description
static int	a(int color)
static float	aToFloat(int color)
static int	b(int color)
static float	bToFloat(int color)
static int	fade(int color, double alpha)
static int	fadePremul(int color, double alpha)
static int	g(int color)
static int	get(double r, double g, double b)
static int	get(float a, int r, int g, int b) Pack r, g, b bytes into one int with premultiplied alpha a.
static int	get(int r, int g, int b) Pack r, g, b bytes into one int.
static int	get(int a, int r, int g, int b) Pack premultiplied a, r, g, b bytes into one int.
static float	gToFloat(int color)
static boolean	isOpaque(int color)
static int	parseColor(java.lang.String colorString) Parse the color string, and return the corresponding color-int.
static int	parseColor(java.lang.String colorString, int fallBackColor)
static int	parseColorComponents(java.lang.String str)
static int	r(int color)
static int	rainbow(float pos)
static float	rToFloat(int color)

Methods inherited from class java.lang.Object

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

Field Detail

BLACK

public static final int BLACK

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Constant Field Values

DKGRAY

public static final int DKGRAY

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Constant Field Values

GRAY

public static final int GRAY

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Constant Field Values

LTGRAY

public static final int LTGRAY

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Constant Field Values

WHITE

public static final int WHITE

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Constant Field Values

RED

public static final int RED

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Constant Field Values

GREEN

public static final int GREEN

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Constant Field Values

BLUE

public static final int BLUE

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Constant Field Values

YELLOW

public static final int YELLOW

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Constant Field Values

CYAN

public static final int CYAN

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Constant Field Values

MAGENTA

public static final int MAGENTA

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Constant Field Values

TRANSPARENT

public static final int TRANSPARENT

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Constant Field Values

Method Detail

fadePremul

public static int fadePremul(int color,
                             double alpha)

fade

public static int fade(int color,
                       double alpha)

rainbow

public static int rainbow(float pos)

get

public static int get(int r,
                      int g,
                      int b)

Pack r, g, b bytes into one int.

get

public static int get(double r,
                      double g,
                      double b)

get

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

Pack premultiplied a, r, g, b bytes into one int.

get

public static int get(float a,
                      int r,
                      int g,
                      int b)

Pack r, g, b bytes into one int with premultiplied alpha a.

rToFloat

public static float rToFloat(int color)

gToFloat

public static float gToFloat(int color)

bToFloat

public static float bToFloat(int color)

aToFloat

public static float aToFloat(int color)

a

public static int a(int color)

r

public static int r(int color)

g

public static int g(int color)

b

public static int b(int color)

parseColorComponents

public static int parseColorComponents(java.lang.String str)

parseColor

public static int parseColor(java.lang.String colorString)

Parse the color string, and return the corresponding color-int. If the string cannot be parsed, throws an IllegalArgumentException exception. Supported formats are: #RRGGBB #AARRGGBB 'red', 'blue', 'green', 'black', 'white', 'gray', 'cyan', 'magenta', 'yellow', 'lightgray', 'darkgray'

Parameters:

colorString - the color string

Returns:

the int

parseColor

public static int parseColor(java.lang.String colorString,
                             int fallBackColor)

isOpaque

public static boolean isOpaque(int color)