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.TH "INQUIRE GENERALIZED DRAWING PRIMITIVE 3" 3P "29 February 1991"
.SH NAME
INQUIRE GENERALIZED DRAWING PRIMITIVE 3 \- inquire generalized drawing primitive\s-23\s+2 attributes
.IX "Generalized Drawing Primitives 3" "INQUIRE GENERALIZED DRAWING PRIMITIVE 3"
.SH SYNOPSIS
.SS C Syntax
.ft B
.ta 1.25i 3i
.nf
void
pinq_gdp3 ( ws_type, gdp, error_ind, num_attrs, attrs )
Pint	ws_type;	\fIworkstation type\fP
Pint	gdp;	\fI\s-23D GDP\s+2 function number\fP
Pint	*error_ind;	\fI\s-2OUT\s+2 error indicator\fP
Pint	*num_attrs;	\fI\s-2OUT\s+2 number of attributes\fP
Pattrs	attrs[5];	\fI\s-2OUT\s+2 list of attributes\fP
.fi
.ft R
.SS Required PHIGS Operating States
(PHOP, *, *, *)
.SH DESCRIPTION
.SS Purpose
Use \s-2INQUIRE GENERALIZED DRAWING PRIMITIVE 3\s+2 to determine the
sets of attributes used by the specified \s-2\&3D\s+2 generalized drawing primitive.
The representation of the generalized drawing primitive at a given
workstation will be controlled by zero or more sets of polyline, polymarker,
text, interior, and edge attributes, as indicated by this inquiry function.
Whether bundle indices or the corresponding individual attributes are
used will depend on the values of the appropriate aspect source flags
at traversal time.
.SS C Input Parameters
.IP \fIws_type\fP
Type of workstation for which to inquire the generalized drawing primitive 3
attributes.
.IP \fIgdp\fP
The identifier of the generalized drawing primitive 3 for which to
inquire attributes.
.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 \fInum_attrs\fR
A pointer to an integer which returns the number of attributes
listed in \fIattrs\fR.
.IP \fIattrs\fP
A Pattrs structure in which \fInum_attrs\fP values are 
returned indicating which set of attributes are used by the specified
generalized drawing primitive on workstations of type \fIws_type\fP.
Pattrs is an enumerated type defined in phigs.h as follows:
.nf 
.ta .5i +1.5i
.sp .4
typedef enum{
.sp .2
	PATTR_LINE,	/* polyline attributes */
	PATTR_MARKER,	/* polymarker attributes */
	PATTR_TEXT,	/* text attributes */
	PATTR_INT,	/* interior attributes */
	PATTR_EDGE	/* edge attributes */
.sp .2
}Pattrs;
.sp .4
.fi
.SS Execution
.LP
If the inquired information is available, the error indicator is returned
as zero and values are returned in the output parameters.
.LP
If the inquired information is not available, the values returned in the
output parameters are undefined and the error indicator is
set to one of the below error numbers to indicate the reason for
nonavailability.
.LP
Since this is an inquiry function, \s-2ERROR HANDLING\s+2 is not invoked
when an error is detected by this function.
.SH ERRORS
.IP 002
Ignoring function, function requires state (\s-2PHOP, *, *, *\s+2)
.IP 052
Ignoring function, workstation type not recognized by the implementation
.IP 051
Ignoring function, this information is not yet available
for this workstation type; open a workstation of this type
and use the specific workstation type
.IP 059
Ignoring function, the specified workstation does not have output capability
(i.e. the workstation category is neither \s-2OUTPUT\s+2, \s-2OUTIN\s+2, nor \s-2MO\s+2)
.IP 062
Ignoring function, this information is not available for this
\s-2MO\s+2 workstation type
.IP 064
Ignoring function, the specified workstation type is not able to generate
the specified generalized drawing primitive
.SH SEE ALSO
.nf
.IP
.ta 0.5i
.SM "INQUIRE LIST OF AVAILABLE GENERALIZED DRAWING PRIMITIVES 3 (3P)"
.SM "PHIGS WORKSTATION DESCRIPTION TABLE (7P)"
.SM "INQUIRE GENERALIZED DRAWING PRIMITIVE (3P)"
.fi
