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/* $Id: null.c,v 1.3 2007/05/08 09:09:37 rice Exp $
PLplot Null device driver.
*/
#include "plDevs.h"
#ifdef PLD_null
#include "plplotP.h"
#include "drivers.h"
/* Device info */
const char* plD_DEVICE_INFO_null = "null:Null device:-1:null:42:null";
/* pmr: defined in drivers.h */
/*void plD_dispatch_init_null ( PLDispatchTable *pdt );*/
void plD_init_null (PLStream *);
void plD_line_null (PLStream *, short, short, short, short);
void plD_polyline_null (PLStream *, short *, short *, PLINT);
void plD_eop_null (PLStream *);
void plD_bop_null (PLStream *);
void plD_tidy_null (PLStream *);
void plD_state_null (PLStream *, PLINT);
void plD_esc_null (PLStream *, PLINT, void *);
void plD_dispatch_init_null( PLDispatchTable *pdt )
{
#ifndef ENABLE_DYNDRIVERS
pdt->pl_MenuStr = "Null device";
pdt->pl_DevName = "null";
#endif
pdt->pl_type = plDevType_Null;
pdt->pl_seq = 42;
pdt->pl_init = (plD_init_fp) plD_init_null;
pdt->pl_line = (plD_line_fp) plD_line_null;
pdt->pl_polyline = (plD_polyline_fp) plD_polyline_null;
pdt->pl_eop = (plD_eop_fp) plD_eop_null;
pdt->pl_bop = (plD_bop_fp) plD_bop_null;
pdt->pl_tidy = (plD_tidy_fp) plD_tidy_null;
pdt->pl_state = (plD_state_fp) plD_state_null;
pdt->pl_esc = (plD_esc_fp) plD_esc_null;
}
/*--------------------------------------------------------------------------*\
* plD_init_null()
*
* Initialize device (terminal).
\*--------------------------------------------------------------------------*/
void
plD_init_null(PLStream *pls)
{
int xmin = 0;
int xmax = PIXELS_X - 1;
int ymin = 0;
int ymax = PIXELS_Y - 1;
PLFLT pxlx = (double) PIXELS_X / (double) LPAGE_X;
PLFLT pxly = (double) PIXELS_Y / (double) LPAGE_Y;
(void) pls; /* pmr: make it used */
/* Set up device parameters */
plP_setpxl(pxlx, pxly);
plP_setphy(xmin, xmax, ymin, ymax);
}
/*--------------------------------------------------------------------------*\
* The remaining driver functions are all null.
\*--------------------------------------------------------------------------*/
void
plD_line_null(PLStream *pls, short x1a, short y1a, short x2a, short y2a)
{
(void) pls; /* pmr: make it used */
(void) x1a;
(void) y1a;
(void) x2a;
(void) y2a;
}
void
plD_polyline_null(PLStream *pls, short *xa, short *ya, PLINT npts)
{
(void) pls; /* pmr: make it used */
(void) xa;
(void) ya;
(void) npts;
}
void
plD_eop_null(PLStream *pls)
{
(void) pls; /* pmr: make it used */
}
void
plD_bop_null(PLStream *pls)
{
(void) pls; /* pmr: make it used */
}
void
plD_tidy_null(PLStream *pls)
{
(void) pls; /* pmr: make it used */
}
void
plD_state_null(PLStream *pls, PLINT op)
{
(void) pls; /* pmr: make it used */
(void) op;
}
void
plD_esc_null(PLStream *pls, PLINT op, void *ptr)
{
(void) pls; /* pmr: make it used */
(void) op;
(void) ptr;
}
#else
int
pldummy_null(void)
{
return 0;
}
#endif /* PLD_nulldev */
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