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Man Pages


Manual Reference Pages  -  XCOLORS (1)

NAME

xcolors - display all X11 color names and colors

CONTENTS

Synopsis
Description
Options
Actions
Resources
Files
Bugs
Author

SYNOPSIS

xcolors [ -start color ] [ -near color ] [ -distance howfar ]

DESCRIPTION

xcolors reads the rgb.txt file that defines the color names the X server knows and displays the colors found.

At the top of the window is a sample region containing text. By clicking on the color names, the color of the sample text can be changed. Mouse button 1 changes the foreground; button 2 changes the background. The text can also be edited.

Typing ‘‘q’’ exits the program.

OPTIONS

In addition the the usual X Toolkit options, xcolors understands these command line options:
-start name
  specify a color name to start with; colors before this one in the rgb.txt file are skipped. This option is useful if there are more colors than will fit on your screen or in your colormap.
-rgbfile filename
  specify an alternate color database file to read.
-near nearcolor
  only show colors near this one in the RGB space. All colors within a sphere in the RGB-space centered on nearcolor are displayed.
-distance howfar
  defines how close colors have to be to nearcolor to be displayed. This option sets the radius of the sphere used by the -near option. The scale is such that the RGB cube is 256 units on a side. The default is 64.

ACTIONS

set-foreground([color])
  Set the foreground color of the sample region. If no color is provided, the color is taken from the border color of the widget where the action occurred.
set-background([color])
  Same as set-foreground() but sets the background color.
quit() Exit xcolors.

RESOURCES

Xcolors has a few top-level application resources that allow customizations that are specific to xcolors.
startColor (classStartColor)
  See the -start option.
rgbFile (classRgbFile)
  See the -rgbfile option.
nearColor (classNearColor)
  See the -near option.
nearDistance (classNearDistance)
  See the -distance option.

WIDGET HIERARCHY

Knowing the name and position in the hierarchy of each widget is useful when specifying resources for them. In the chart below, the class and name of each widget is given.

Xcolors xcolors
        Paned panes
                AsciiText sample
                Viewport viewport
                        Box colors
                                Label colorname
                                Label colorname
                                .
                                .
                                .

FILES

/usr/X11/lib/X11/rgb.txt
  X color names and values.

BUGS

Assumes that all names for the same color are consecutive in the rgb.txt file.

Because xcolors cannot read the server’s color name database, the color names it uses may not match those in the server. This is most likely to happen if xcolors is run from a remote host.

The program would be faster if it used gadgets instead of widgets for the color spots.

AUTHOR

Stephen Gildea, X Consortium
Search for    or go to Top of page |  Section 1 |  Main Index


X Version 11 XCOLORS (1) 6 June 1994

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