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.TH xcmap 1X .SH NAME xcmap \- displays the default colormap on X11 displays .SH SYNTAX \fBxcmap\fP [ [-d] \fIdisplay\fP] [ [-g] \fIgeometry\fP] .SH DESCRIPTION \fBxcmap\fP is an X11 program that displays the contents of the colormap on 4, 6, and 8-bit PseudoColor (or GreyScale) displays. It displays a grid of squares, (4x4, 8x8, or 16x16 grid, depending on the number of planes) that correspond to entries in the colormap. The squares are (of course) drawn in their corresponding color. .PP You may click (with the left button) on any of these squares. Doing so will display the pixel number corresponding to that square, and its red, green, and blue components (as 4-digit hex numbers). It will continue to do this as long as you hold the button down. .PP Note: This program points out a bug in the X11R2 server for the IBM RT Megapel display. Essentially, the problem is a discrepancy between what the server THINKS the colormap is, and what the colormap in the hardware ACTUALLY is. .PP .SH BUGS This program only works on colormapped displays (PseudoColor, GreyScale, StaticColor, and StaticGrey visuals). Running it on a display that has a default visual type of 'TrueColor' or 'DirectColor' will do nothing of value, and may or may not work at all. .PP Also, this program only works on 4, 6, and 8-bit displays. Period. .PP .SH AUTHOR John Bradley - bradley@cis.upenn.edu
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.