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.TH "INQUIRE COLOUR MODEL" 3P "29 February 1991"
.SH NAME
INQUIRE COLOUR MODEL \- inquire a workstation's current colour model
.IX "Colour" "INQUIRE COLOUR MODEL"
.SH SYNOPSIS
.SS C Syntax
.ft B
.ta 1.25i 3i
.nf
void
pinq_colr_model ( ws, error_ind, model )
Pint	ws;	\fIworkstation identifier\fP
Pint	*error_ind;	\fI\s-2OUT\s+2 error indicator\fP
Pint	*model;	\fI\s-2OUT\s+2 current colour model\fP
.fi
.ft R
.SS Required PHIGS Operating States
(PHOP, WSOP, *, *)
.SH DESCRIPTION
.SS Purpose
Use \s-2INQUIRE COLOUR MODEL\s+2 to determine the current
colour model from a specified PHIGS workstation state list.
.LP
.SS C Input Parameters
.IP \fIws\fP
The workstation identifier of the workstation whose workstation state list is queried.
.SS C Output Parameters
.IP \fIerror_ind\fP
A pointer to the location to store the error number of any error
detected by this function.
.IP \fImodel\fP
A pointer to a location in which the system returns the current
colour model.
The possible colour models are as follows:
.nf
.ta .5i +.5i
	0	\s-2PINDIRECT\s+2
	1	\s-2PMODEL_RGB\s+2
	2	\s-2PMODEL_CIELUV\s+2
	3	\s-2PMODEL_HSV\s+2
	4	\s-2PMODEL_HLS\s+2
.fi
.SH ERRORS
.IP 003
Ignoring function, function requires state (\s-2PHOP, WSOP, *, *\s+2)
.IP 054
Ignoring function, the specified workstation is not open
.IP 059
Ignoring function, the specified workstation does not have output capability
(that is, the workstation category is neither \s-2OUTPUT\s+2, \s-2OUTIN\s+2, nor \s-2MO\s+2) 
.SH SEE ALSO
.nf
.IP
.ta 0.5i
.SM "INQUIRE COLOUR MODEL FACILITIES (3P)"
.SM "SET COLOUR MODEL (3P)"
.fi