XStoreColors(3X11)      COMMAND REFERENCE      XStoreColors(3X11)



NAME
     XStoreColors, XStoreColor, XStoreNamedColor - set colors

SYNOPSIS
     XStoreColors(display, colormap, color, ncolors)
           Display *display;
           Colormap colormap;
           XColor color[];
           int ncolors;

     XStoreColor(display, colormap, color)
           Display *display;
           Colormap colormap;
           XColor *color;

     XStoreNamedColor(display, colormap, color, pixel, flags)
           Display *display;
           Colormap colormap;
           char *color;
           unsigned long pixel;
           int flags;

ARGUMENTS
     color     Specifies the pixel and RGB values or the color
               name string (for example, red).

     color     Specifies an array of color definition structures
               to be stored.

     colormap  Specifies the colormap.

     display   Specifies the connection to the X server.

     flags     Specifies which red, green, and blue components
               are set.

     ncolors   Specifies the number of XColor structures in the
               color definition array.

     pixel     Specifies the entry in the colormap.

DESCRIPTION
     The XStoreColors function changes the colormap entries of
     the pixel values specified in the pixel members of the
     XColor structures.  You specify which color components are
     to be changed by setting DoRed, DoGreen, and/or DoBlue in
     the flags member of the XColor structures.  If the colormap
     is an installed map for its screen, the changes are visible
     immediately.  XStoreColors changes the specified pixels if
     they are allocated writable in the colormap by any client,
     even if one or more pixels generates an error.  If a
     specified pixel is not a valid index into the colormap, a



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XStoreColors(3X11)      COMMAND REFERENCE      XStoreColors(3X11)



     BadValue error results.  If a specified pixel either is
     unallocated or is allocated read-only, a BadAccess error
     results.  If more than one pixel is in error, the one that
     gets reported is arbitrary.

     XStoreColors can generate BadAccess, BadColor, and BadValue
     errors.

     The XStoreColor function changes the colormap entry of the
     pixel value specified in the pixel member of the XColor
     structure.  You specified this value in the pixel member of
     the XColor structure.  This pixel value must be a read/write
     cell and a valid index into the colormap.  If a specified
     pixel is not a valid index into the colormap, a BadValue
     error results.  XStoreColor also changes the red, green,
     and/or blue color components.  You specify which color
     components are to be changed by setting DoRed, DoGreen,
     and/or DoBlue in the flags member of the XColor structure.
     If the colormap is an installed map for its screen, the
     changes are visible immediately.

     XStoreColor can generate BadAccess, BadColor, and BadValue
     errors.

     The XStoreNamedColor function looks up the named color with
     respect to the screen associated with the colormap and
     stores the result in the specified colormap.  The pixel
     argument determines the entry in the colormap.  The flags
     argument determines which of the red, green, and blue
     components are set. You can set this member to the bitwise
     inclusive OR of the bits DoRed, DoGreen, and DoBlue.  If the
     specified pixel is not a valid index into the colormap, a
     BadValue error results.  If the specified pixel either is
     unallocated or is allocated read-only, a BadAccess error
     results.  You should use the ISO Latin-1 encoding; uppercase
     and lowercase do not matter.

     XStoreNamedColor can generate BadAccess, BadColor, BadName,
     and BadValue errors.

DIAGNOSTICS
     BadAccess A client attempted to free a color map entry that
               it did not already allocate.

     BadAccess A client attempted to store into a read-only color
               map entry.

     BadColor  A value for a Colormap argument does not name a
               defined Colormap.

     BadName   A font or color of the specified name does not
               exist.



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XStoreColors(3X11)      COMMAND REFERENCE      XStoreColors(3X11)



     BadValue  Some numeric value falls outside the range of
               values accepted by the request.  Unless a specific
               range is specified for an argument, the full range
               defined by the argument's type is accepted.  Any
               argument defined as a set of alternatives can
               generate this error.

SEE ALSO
     XAllocColor(3x11), XCreateColormap(3x11), XQueryColor(3x11)
     Xlib - C Language X Interface













































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