Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class SystemColor - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.awt
Class SystemColor

java.lang.Object
  |
  +--java.awt.Color
        |
        +--java.awt.SystemColor

public final class SystemColor
extends Color
implements Serializable

A class to encapsulate symbolic colors representing the color of GUI objects on a system. For systems which support the dynamic update of the system colors (when the user changes the colors) the actual RGB values of these symbolic colors will also change dynamically. In order to compare the "current" RGB value of a SystemColor object with a non-symbolic Color object, getRGB() should be used rather than equals().

See Also:: Serialized Form

Field Summary

static int ACTIVE_CAPTION
          The array index for the active caption background color.

static int ACTIVE_CAPTION_BORDER
          The array index for the active caption border color.

static int ACTIVE_CAPTION_TEXT
          The array index for the action caption text color.

static SystemColor activeCaption
          The background color for captions in window borders.

static SystemColor activeCaptionBorder
          The border color for captions in window borders.

static SystemColor activeCaptionText
          The text color for captions in window borders.

static SystemColor control
          The background color for control objects.

static int CONTROL
          The array index for the control background color.

static int CONTROL_DK_SHADOW
          The array index for the control dark shadow color.

static int CONTROL_HIGHLIGHT
          The array index for the control highlight color.

static int CONTROL_LT_HIGHLIGHT
          The array index for the control light highlight color.

static int CONTROL_SHADOW
          The array index for the control shadow color.

static int CONTROL_TEXT
          The array index for the control text color.

static SystemColor controlDkShadow
          The dark shadow color for control objects.

static SystemColor controlHighlight
          The regular highlight color for control objects.

static SystemColor controlLtHighlight
          The light highlight color for control objects.

static SystemColor controlShadow
          The regular shadow color for control objects.

static SystemColor controlText
          The text color for control objects.

static SystemColor desktop
          The color of the desktop background.

static int DESKTOP
          The array index for the desktop background color.

static int INACTIVE_CAPTION
          The array index for the inactive caption background color.

static int INACTIVE_CAPTION_BORDER
          The array index for the inactive caption border color.

static int INACTIVE_CAPTION_TEXT
          The array index for the inactive caption text color.

static SystemColor inactiveCaption
          The background color for inactive captions in window borders.

static SystemColor inactiveCaptionBorder
          The border color for inactive captios in window borders.

static SystemColor inactiveCaptionText
          The text color for inactive captions in window borders.

static SystemColor info
          The background color for info(help) text.

static int INFO
          The array index for the info background color.

static int INFO_TEXT
          The array index for the info text color.

static SystemColor infoText
          The text color for info(help) text.

static SystemColor menu
          The background color for menus.

static int MENU
          The array index for the menu background color.

static int MENU_TEXT
          The array index for the menu text color.

static SystemColor menuText
          The text color for menus.

static int NUM_COLORS
          The number of system colors in the array.

static SystemColor scrollbar
          The background color for scrollbars.

static int SCROLLBAR
          The array index for the scrollbar background color.

static SystemColor text
          The background color for text components.

static int TEXT
          The array index for the text background color.

static int TEXT_HIGHLIGHT
          The array index for the text highlight color.

static int TEXT_HIGHLIGHT_TEXT
          The array index for the text highlight text color.

static int TEXT_INACTIVE_TEXT
          The array index for the text inactive text color.

static int TEXT_TEXT
          The array index for the text text color.

static SystemColor textHighlight
          The background color for highlighted text.

static SystemColor textHighlightText
          The text color for highlighted text.

static SystemColor textInactiveText
          The text color for inactive text.

static SystemColor textText
          The text color for text components.

static SystemColor window
          The background color for windows.

static int WINDOW
          The array index for the window background color.

static int WINDOW_BORDER
          The array index for the window border color.

static int WINDOW_TEXT
          The array index for the window text color.

static SystemColor windowBorder
          The border color for windows.

static SystemColor windowText
          The text color for windows.

Fields inherited from class java.awt.Color

black, blue, cyan, darkGray, gray, green, lightGray, magenta, orange, pink, red, white, yellow

Method Summary

PaintContext createContext(ColorModel cm, Rectangle r, Rectangle2D r2d, AffineTransform xform, RenderingHints hints)
          Create and return a PaintContext used to generate a solid color pattern.

int getRGB()
          Gets the "current" RGB value representing the symbolic color.

String toString()
          Returns the String representation of this Color's values.

Methods inherited from class java.awt.Color

brighter, darker, decode, equals, getAlpha, getBlue, getColor, getColor, getColor, getColorComponents, getColorComponents, getColorSpace, getComponents, getComponents, getGreen, getHSBColor, getRed, getRGBColorComponents, getRGBComponents, getTransparency, hashCode, HSBtoRGB, RGBtoHSB

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DESKTOP

public static final int DESKTOP

The array index for the desktop background color.

ACTIVE_CAPTION

public static final int ACTIVE_CAPTION

The array index for the active caption background color.

ACTIVE_CAPTION_TEXT

public static final int ACTIVE_CAPTION_TEXT

The array index for the action caption text color.

ACTIVE_CAPTION_BORDER

public static final int ACTIVE_CAPTION_BORDER

The array index for the active caption border color.

INACTIVE_CAPTION

public static final int INACTIVE_CAPTION

The array index for the inactive caption background color.

INACTIVE_CAPTION_TEXT

public static final int INACTIVE_CAPTION_TEXT

The array index for the inactive caption text color.

INACTIVE_CAPTION_BORDER

public static final int INACTIVE_CAPTION_BORDER

The array index for the inactive caption border color.

WINDOW

public static final int WINDOW

The array index for the window background color.

WINDOW_BORDER

public static final int WINDOW_BORDER

The array index for the window border color.

WINDOW_TEXT

public static final int WINDOW_TEXT

The array index for the window text color.

MENU_TEXT

public static final int MENU_TEXT

The array index for the menu text color.

TEXT

public static final int TEXT

The array index for the text background color.

TEXT_TEXT

public static final int TEXT_TEXT

The array index for the text text color.

TEXT_HIGHLIGHT

public static final int TEXT_HIGHLIGHT

The array index for the text highlight color.

TEXT_HIGHLIGHT_TEXT

public static final int TEXT_HIGHLIGHT_TEXT

The array index for the text highlight text color.

TEXT_INACTIVE_TEXT

public static final int TEXT_INACTIVE_TEXT

The array index for the text inactive text color.

CONTROL

public static final int CONTROL

The array index for the control background color.

CONTROL_TEXT

public static final int CONTROL_TEXT

The array index for the control text color.

CONTROL_HIGHLIGHT

public static final int CONTROL_HIGHLIGHT

The array index for the control highlight color.

CONTROL_LT_HIGHLIGHT

public static final int CONTROL_LT_HIGHLIGHT

The array index for the control light highlight color.

CONTROL_SHADOW

public static final int CONTROL_SHADOW

The array index for the control shadow color.

CONTROL_DK_SHADOW

public static final int CONTROL_DK_SHADOW

The array index for the control dark shadow color.

SCROLLBAR

public static final int SCROLLBAR

The array index for the scrollbar background color.

INFO

public static final int INFO

The array index for the info background color.

INFO_TEXT

public static final int INFO_TEXT

The array index for the info text color.

NUM_COLORS

public static final int NUM_COLORS

The number of system colors in the array.

desktop

public static final SystemColor desktop

The color of the desktop background.

activeCaption

public static final SystemColor activeCaption

The background color for captions in window borders.

activeCaptionText

public static final SystemColor activeCaptionText

The text color for captions in window borders.

activeCaptionBorder

public static final SystemColor activeCaptionBorder

The border color for captions in window borders.

inactiveCaption

public static final SystemColor inactiveCaption

The background color for inactive captions in window borders.

inactiveCaptionText

public static final SystemColor inactiveCaptionText

The text color for inactive captions in window borders.

inactiveCaptionBorder

public static final SystemColor inactiveCaptionBorder

The border color for inactive captios in window borders.

window

public static final SystemColor window

The background color for windows.

windowBorder

public static final SystemColor windowBorder

The border color for windows.

windowText

public static final SystemColor windowText

The text color for windows.

menuText

public static final SystemColor menuText

The text color for menus.

text

public static final SystemColor text

The background color for text components.

textText

public static final SystemColor textText

The text color for text components.

textHighlight

public static final SystemColor textHighlight

The background color for highlighted text.

textHighlightText

public static final SystemColor textHighlightText

The text color for highlighted text.

textInactiveText

public static final SystemColor textInactiveText

The text color for inactive text.

control

public static final SystemColor control

The background color for control objects.

controlText

public static final SystemColor controlText

The text color for control objects.

controlHighlight

public static final SystemColor controlHighlight

The regular highlight color for control objects.

controlLtHighlight

public static final SystemColor controlLtHighlight

The light highlight color for control objects.

controlShadow

public static final SystemColor controlShadow

The regular shadow color for control objects.

controlDkShadow

public static final SystemColor controlDkShadow

The dark shadow color for control objects.

scrollbar

public static final SystemColor scrollbar

The background color for scrollbars.

info

public static final SystemColor info

The background color for info(help) text.

infoText

public static final SystemColor infoText

The text color for info(help) text.

Method Detail

getRGB

public int getRGB()

Gets the "current" RGB value representing the symbolic color. (Bits 24-31 are 0xff, 16-23 are red, 8-15 are green, 0-7 are blue).

Overrides:: getRGB in class Color

See Also:: ColorModel.getRGBdefault(), java.awt.Color#getBlue(int), java.awt.Color#getGreen(int), java.awt.Color#getRed(int)

createContext

public PaintContext createContext(ColorModel cm,
                                  Rectangle r,
                                  Rectangle2D r2d,
                                  AffineTransform xform,
                                  RenderingHints hints)

Create and return a PaintContext used to generate a solid color pattern. This enables a Color object to be used as an argument to any method requiring an object implementing the Paint interface.

Overrides:: createContext in class Color

See Also:: Paint, PaintContext, Graphics2D.setPaint(java.awt.Paint)

toString

public String toString()

Returns the String representation of this Color's values.

Overrides:: toString in class Color

Tags copied from class: Color

Returns:: a string representation of this color.