Coyote Graphics Routines

Date: Fri Mar 27 12:14:20 2015

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top cgGetColorState

Graphics, Utilities

result = cgGetColorState( [device] [, DEPTH=integer])

Provides a device-independent way to get the color decomposition state of the current graphics device.

Return value

Returns a 1 if color decomposition is turned on and a 0 if indexed color is used.


device in optional type=string

The IDL graphics device whose color decomposition state you wish to know the current value of. If undefined, the current graphics device is used.


DEPTH out optional type=integer

The depth of the color display. Typically 8 for indexed color devices and 24 for true-color devices.


IDL> currentState = cgGetColorState()

Author information



David W. Fanning 1645 Sheely Drive Fort Collins, CO 80526 USA Phone: 970-221-0438 E-mail: Coyote's Guide to IDL Programming:


Copyright (c) 2010-2013, Fanning Software Consulting, Inc.


Change History:

Written, 5 Nov 2013, as a combination of DecomposedColor and GetDecomposedState, which have both been retired from the Coyote Library.

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Modification date: Fri Mar 27 11:07:36 2015
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