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.\" $Header: XpexSetLightState.man,v 2.5 91/09/11 16:03:30 sinyaw Exp $
.\"
.\"
.\" Copyright 1991 by Sony Microsystems Company, San Jose, California
.\" 
.\"                   All Rights Reserved
.\"
.\" Permission to use, modify, and distribute this software and its
.\" documentation for any purpose and without fee is hereby granted,
.\" provided that the above copyright notice appear in all copies and
.\" that both that copyright notice and this permission notice appear
.\" in supporting documentation, and that the name of Sony not be used
.\" in advertising or publicity pertaining to distribution of the
.\" software without specific, written prior permission.
.\"
.\" SONY DISCLAIMS ANY AND ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
.\" INCLUDING ALL EXPRESS WARRANTIES AND ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS, FOR A PARTICULAR PURPOSE. IN NO EVENT
.\" SHALL SONY BE LIABLE FOR ANY DAMAGES OF ANY KIND, INCLUDING BUT NOT
.\" LIMITED TO SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES RESULTING FROM
.\" LOSS OF USE, DATA OR LOSS OF ANY PAST, PRESENT, OR PROSPECTIVE PROFITS,
.\" WHETHER IN AN ACTION OF CONTRACT, NEGLIENCE OR OTHER TORTIOUS ACTION, 
.\" ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 
.\" SOFTWARE.
.\"
.\" 
.\"
.\"
.\"
.TH XpexSetLightState 3PEX "$Revision: 2.5 $" "Sony Microsystems"
.AT
.SH "Name"
XpexSetLightState \-
.sp
XpexSetDepthCueIndex \-
.sp
XpexSetColorApproxIndex \-
.sp
XpexSetRenderingColorModel \-
.sp
XpexSetParaSurfChar \- Set Parametric Surface Characteristics
.SH "Synopsis"
.nf
void XpexSetLightState(dpy, enable, num_enable, disable, num_disable)
.br
	Display *dpy;
.br
	XpexTableIndex *enable;
.br
	int num_enable;
.br
	XpexTableIndex *disable;
.br
	int num_disable;
.sp
void XpexSetDepthCueIndex(dpy, index)
.br
	Display  *dpy;
.br
	XpexTableIndex index;
.sp
void XpexSetColorApproxIndex(dpy, index)
.br
	Display *dpy;
.br
	XpexTableIndex index;
.sp
void XpexSetRenderingColorModel(dpy, model)
.br
	Display *dpy;
.br
	XpexEnumTypeIndex model;
.sp
void XpexSetParaSurfChar(dpy, psc)
.br
	Display *dpy;
.br
	XpexParaSurfChar *psc;
.fi
.SH "Arguments"
.IP \fIdpy\fP 1i
Specifies a pointer to the Display structure;
returned from XOpenDisplay.
.IP \fIenable\fP 1i
[ To be added ]
.IP \fInum_enable\fP 1i
[ To be added ]
.IP \fIdisable\fP 1i
[ To be added ]
.IP \fInum_disable\fP 1i
[ To be added ]
.IP \fIindex\fP 1i
[ To be added ]
.IP \fIpsc\fP 1i
[ To be added ]
.SH "Description"
When processed by a renderer, \fIXpexSetLightState\fP will modify the 
renderer's light_state attribute.  The current light_state is modified 
by activating ("turning on") each light whose index is specified in the 
enable list, and deactivating ("turning off") each light source whose
index is specified in the disable list.
.SH "Structures"
typedef struct {
.br
	int psc_type;
.br
	XpexPscDataRecord rec;
.br
} XpexParaSurfChar;
.sp
typedef union {
.br
	XpexPscDataRec3 type3;
.br
	XpexPscDataRec4 type4;
.br
	XpexPscDataRec5 type5;
.br
} XpexPscDataRecord;
.sp
typedef struct {
.br
	int placement_type;
.br
	int num_curves_in_u_dir;
.br
	int num_curves_in_v_dir;
.br
} XpexPscDataRec3;
.sp
typedef struct {
.br
	XpexCoord3D mc_origin;
.br
	XpexVector3D mc_dir_vec;
.br
	XpexListOfCoord3D intersections;
.br
} XpexPscDataRec4;
.sp
typedef struct {
.br
	XpexCoord3D wc_origin;
.br
	XpexVector3D wc_dir_vec;
.br
	XpexListOfCoord3D intersections;
.br
} XpexPscDataRec5;
.sp
typedef struct {
.br
	XpexFloat x;
.br
	XpexFloat y;
.br
	XpexFloat z;
.br
} XpexCoord3D;
.sp			
typedef struct {
.br
	XpexFloat x;
.br
	XpexFloat y;
.br
	XpexFloat z;
.br
} XpexVector3D;
.SH "Errors"
Structure, Renderer, FloatingPointFormat, OutputCommand, Value
.SH "Related Commands"
To be added