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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/* Copyright (C) 2001-2023 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
CA 94129, USA, for further information.
*/
/*
* C.Itoh M8510 printer driver for ghostscript.
*
* By Bob Smith <bob@snuffy.penfield.ny.us>
*/
#include "gdevprn.h"
/* The device descriptor */
static dev_proc_print_page(m8510_print_page);
const gx_device_printer far_data gs_m8510_device =
/* The print_page proc is compatible with allowing bg printing */
prn_device(gdev_prn_initialize_device_procs_mono_bg, "m8510",
85, /* width_10ths, 8.5" */
110, /* height_10ths, 11" */
160, /* x_dpi */
144, /* y_dpi */
0,0,0.5,0, /* left, bottom, right, and top margins */
1, m8510_print_page);
/* ------ forward declarations ------ */
static void m8510_output_run(gx_device_printer *pdev,
byte *out, int pass, gp_file *prn_stream);
/* ------ internal routines ------ */
/* Send the page to the printer. */
static int
m8510_print_page(gx_device_printer *pdev, gp_file *prn_stream)
{
int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
byte *in1 = (byte *) gs_malloc(pdev->memory, 8, line_size, "m8510_print_page(in1)");
byte *in2 = (byte *) gs_malloc(pdev->memory, 8, line_size, "m8510_print_page(in2)");
byte *out = (byte *) gs_malloc(pdev->memory, 8, line_size, "m8510_print_page(out)");
int lnum = 0;
int code = 0;
byte *inp, *in_end, *outp;
int i;
if (in1 == 0 || in2 == 0 || out == 0) {
code = gs_note_error(gs_error_VMerror);
goto out;
}
/*
* Initialize the printer.
* NLQ mode, proportional print (160x144 dpi).
* and 16/144" linefeeds.
*/
gp_fwrite("\033m2\033P\033T16", 1, 9, prn_stream);
/* Transfer pixels to printer */
while ( lnum < pdev->height ) {
/* get a raster */
for (i = 7; i >= 0; i--) {
code = gdev_prn_copy_scan_lines(pdev, lnum, &in1[i*line_size], line_size);
if (code < 0)
goto out;
lnum++;
code = gdev_prn_copy_scan_lines(pdev, lnum, &in2[i*line_size], line_size);
if (code < 0)
goto out;
lnum++;
}
/* Transpose the 1st pass of data. */
in_end = in1 + line_size;
for (inp = in1, outp = out; inp < in_end; inp++, outp += 8)
gdev_prn_transpose_8x8(inp, line_size, outp, 1);
/* send the 1st line */
m8510_output_run(pdev, out, 0, prn_stream);
/* Transpose the 2nd pass of data. */
in_end = in2 + line_size;
for (inp = in2, outp = out; inp < in_end; inp++, outp += 8)
gdev_prn_transpose_8x8(inp, line_size, outp, 1);
/* send the 2nd line */
m8510_output_run(pdev, out, 1, prn_stream);
}
/* reset the printer. */
gp_fwrite("\033c1", 1, 3, prn_stream);
gp_fflush(prn_stream);
out:;
if (out) gs_free(pdev->memory, (char *) out, 8, line_size, "m8510_print_page(out)");
if (in2) gs_free(pdev->memory, (char *) in2, 8, line_size, "m8510_print_page(in2)");
if (in1) gs_free(pdev->memory, (char *) in1, 8, line_size, "m8510_print_page(in1)");
return code;
}
static void
m8510_output_run(gx_device_printer *pdev,
byte *out, int pass, gp_file *prn_stream)
{
byte *out_end = out + ((pdev->width + 7) & -8); /* round up to multiple of 8 */
char tmp[10];
int count;
/*
* Remove trailing 0s.
* out must be a multiple of 8 bytes.
*/
while (out_end > out
&& out_end[-1] == 0
&& out_end[-2] == 0
&& out_end[-3] == 0
&& out_end[-4] == 0
&& out_end[-5] == 0
&& out_end[-6] == 0
&& out_end[-7] == 0
&& out_end[-8] == 0)
out_end -= 8;
/* Transfer the line of data. */
count = out_end - out;
if (count > 0) {
gs_snprintf(tmp, sizeof(tmp), "\033g%03d", count/8);
gp_fwrite(tmp, 1, 5, prn_stream);
gp_fwrite(out, 1, count, prn_stream);
gp_fwrite("\r", 1, 1, prn_stream);
}
if (pass) gp_fwrite("\n", 1, 1, prn_stream);
}
|
