1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
// $Id: null.c 12008 2011-10-28 12:50:46Z andrewross $
//
// PLplot Null device driver.
//
#include "plDevs.h"
#ifdef PLD_null
#include "plplotP.h"
#include "drivers.h"
// Device info
PLDLLIMPEXP_DRIVER const char* plD_DEVICE_INFO_null = "null:Null device:-1:null:42:null\n";
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 *PL_UNUSED( 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;
// 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 * PL_UNUSED( pls ), short PL_UNUSED( x1a ), short PL_UNUSED( y1a ), short PL_UNUSED( x2a ), short PL_UNUSED( y2a ) )
{
}
void
plD_polyline_null( PLStream *PL_UNUSED( pls ), short *PL_UNUSED( xa ), short *PL_UNUSED( ya ), PLINT PL_UNUSED( npts ) )
{
}
void
plD_eop_null( PLStream *PL_UNUSED( pls ) )
{
}
void
plD_bop_null( PLStream *PL_UNUSED( pls ) )
{
}
void
plD_tidy_null( PLStream *PL_UNUSED( pls ) )
{
}
void
plD_state_null( PLStream *PL_UNUSED( pls ), PLINT PL_UNUSED( op ) )
{
}
void
plD_esc_null( PLStream *PL_UNUSED( pls ), PLINT PL_UNUSED( op ), void *PL_UNUSED( ptr ) )
{
}
#else
int
pldummy_null()
{
return 0;
}
#endif // PLD_nulldev
|
