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             ~4Dgifts/toolbox/src/apps/cmapDoctor/cmapview README

cmapview:

	simpler X based colormap/visual viewer.

	You can use this app to diagnose/debug/verify colormaps and 
	in applications that use multiple colormaps and visuals.

        The application starts by scanning the entire X window hierarchy 
	starting with the RootWindow.  Potentially, this tree can consist 
	of thousand's of windows so this operation can take some time 
	(usually on the order of seconds).  The list of colormaps generated 
	represents the list of unique colormaps each of which is currently 
	associated with a window.  X provides no way of determining all of 
	the colormaps registered with the server.  So instead, 
	windowAttributes is retrieved for each of the windows.  This 
	contains both the colormap and visual of the window.  Additionally, 
	special visual types, like underlay, overlay and popup visuals, are 
	also registered by using XLayerInfo routines (available on the 
	Developer Toolbox in src/exampleCode/X/Xserver).  At the end of the 
	scanning sequence, a list is produced.  

	You can click in the viewing window to cycle through the list of
	colormaps.   In the title bar of the window is displayed the 
	1) number of the list entry which corresponds to the list printed
	at the end of the scan, 2) the visual type: normal planes, overlay,
	underlay or popup, 3) the depth of the visual, and 4) the visual
	itself.

Source

• XLayerUtil.c
• XLayerUtil.h
• cmapview.c

Documentation

• COPYRIGHT
• README
• index.html

Reference

• Makefile