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/* Copyright (C) 1990, 1992, 1993 Aladdin Enterprises. All rights reserved.
This file is part of GNU Ghostscript.
GNU Ghostscript is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY. No author or distributor accepts responsibility to
anyone for the consequences of using it or for whether it serves any
particular purpose or works at all, unless he says so in writing. Refer
to the GNU Ghostscript General Public License for full details.
*/
/*
* gdev8510.c
*
* C.Itoh M8510 printer driver for ghostscript.
* by Bob Smith <bob@snuffy.penfield.ny.us>
*/
#include "gdevprn.h"
/* The device descriptor */
private dev_proc_print_page(m8510_print_page);
gx_device_printer far_data gs_m8510_device =
prn_device(prn_std_procs, "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 ------ */
private void m8510_output_run(P4(gx_device_printer *pdev,
byte *out, int pass, FILE *prn_stream));
/* ------ internal routines ------ */
/* Send the page to the printer. */
private int
m8510_print_page(gx_device_printer *pdev, FILE *prn_stream)
{
int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
byte *in1 = (byte *) gs_malloc(8, line_size, "m8510_print_page(in1)");
byte *in2 = (byte *) gs_malloc(8, line_size, "m8510_print_page(in2)");
byte *out = (byte *) gs_malloc(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_error_VMerror;
gs_note_error(code);
goto out;
}
/*
* Initialize the printer.
* NLQ mode, proportional print (160x144 dpi).
* and 16/144" linefeeds.
*/
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--) {
gdev_prn_copy_scan_lines(pdev, lnum, &in1[i*line_size], line_size);
lnum++;
gdev_prn_copy_scan_lines(pdev, lnum, &in2[i*line_size], line_size);
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. */
fwrite("\033c1", 1, 3, prn_stream);
fflush(prn_stream);
out:;
if (out) gs_free((char *) out, 8, line_size, "m8510_print_page(out)");
if (in2) gs_free((char *) in2, 8, line_size, "m8510_print_page(in2)");
if (in1) gs_free((char *) in1, 8, line_size, "m8510_print_page(in1)");
return code;
}
private void
m8510_output_run(gx_device_printer *pdev,
byte *out, int pass, FILE *prn_stream)
{
byte *out_end = out + pdev->width;
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) {
sprintf(tmp, "\033g%03d", count/8);
fwrite(tmp, 1, 5, prn_stream);
fwrite(out, 1, count, prn_stream);
fwrite("\r", 1, 1, prn_stream);
}
if (pass) fwrite("\n", 1, 1, prn_stream);
}
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