Distributed by Free Software Foundation, Inc.
This file is part of Ghostscript.
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 Ghostscript General Public License for full details.
Everyone is granted permission to copy, modify and redistribute
Ghostscript, but only under the conditions described in the Ghostscript
General Public License. A copy of this license is supposed to have been
given to you along with Ghostscript so you can know your rights and
responsibilities. It should be in a file named COPYING. Among other
things, the copyright notice and this notice must be preserved on all
copies. */
#include "gdevprn.h"
MODEL DEVICE_NAME X_DPI,Y_DPI HEAD_PINS LF_PITCH
PC-PR201 "nec160" 160 24 18
PC-PR1000 "nec240" 240 40 20
PC-PR150 "nec320" 320 48 18
PC-PR1000/4 "nec400" 400 60 18
*/
#define WIDTH 80
#define HEIGHT 110
enum{PR201, PR1000, PR150, PR1K4};
static dev_proc_print_page(pr201_print_page);
gx_device_printer gs_pr201_device =
prn_device(gdev_prn_initialize_device_procs_mono, "pr201",
WIDTH,
HEIGHT,
160,
160,
0,0,0,0,
1, pr201_print_page);
gx_device_printer gs_pr1000_device =
prn_device(gdev_prn_initialize_device_procs_mono, "pr1000",
WIDTH,
HEIGHT,
240,
240,
0,0,0,0,
1, pr201_print_page);
gx_device_printer gs_pr150_device =
prn_device(gdev_prn_initialize_device_procs_mono, "pr150",
WIDTH,
HEIGHT,
320,
320,
0,0,0,0,
1, pr201_print_page);
gx_device_printer gs_pr1000_4_device =
prn_device(gdev_prn_initialize_device_procs, "pr1000_4",
WIDTH,
HEIGHT,
400,
400,
0,0,0,0,
1, pr201_print_page);
static int
pr201_transpose_8x8(byte *src, int src_step, byte *dst, int dst_step)
{
byte mask, s, d0, d1, d2, d3, d4, d5, d6, d7;
int i;
d0 = d1 = d2 = d3 = d4 = d5 = d6 = d7 = 0;
for(i=0, mask=0x01; i<8; i++, mask <<= 1) {
s = *src;
if(s & 0x80) d0 |= mask;
if(s & 0x40) d1 |= mask;
if(s & 0x20) d2 |= mask;
if(s & 0x10) d3 |= mask;
if(s & 0x08) d4 |= mask;
if(s & 0x04) d5 |= mask;
if(s & 0x02) d6 |= mask;
if(s & 0x01) d7 |= mask;
src += src_step;
}
*dst = d0;
*(dst += dst_step) = d1;
*(dst += dst_step) = d2;
*(dst += dst_step) = d3;
*(dst += dst_step) = d4;
*(dst += dst_step) = d5;
*(dst += dst_step) = d6;
*(dst += dst_step) = d7;
return 0;
}
static int
check_mode(const char* modename)
{
if (!strcmp(modename, "pr201"))
return PR201;
else if (!strcmp(modename, "pr1000"))
return PR1000;
else if (!strcmp(modename, "pr150"))
return PR150;
else
return PR1K4;
}
static int
pr201_print_page(gx_device_printer *pdev, gp_file *prn_stream)
{ int line_size;
int height;
int bits_per_column;
int bytes_per_column;
int bits_per_column_rounded_up;
int chunk_size;
byte *in, *out;
int lnum, skip;
int head_pins, lr_pitch, x_dpi;
int code = 0;
byte mask;
int endidx = pdev->width>>3;
switch (check_mode(pdev->dname)){
case PR201:
head_pins=24; lr_pitch=18; x_dpi=160; break;
case PR1000:
head_pins=40; lr_pitch=20; x_dpi=240; break;
case PR150:
head_pins=48; lr_pitch=18; x_dpi=320; break;
case PR1K4:
default:
head_pins=60; lr_pitch=18; x_dpi=400; break;
}
line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
height = pdev->height;
bits_per_column = head_pins;
bytes_per_column = bits_per_column / 8;
bits_per_column_rounded_up = (bits_per_column + 7 ) & ~7;
chunk_size = bits_per_column * line_size;
in = (byte *)
gs_malloc(pdev->memory->non_gc_memory,
bits_per_column_rounded_up,
line_size, "pr201_print_page(in)");
out = (byte *)
gs_malloc(pdev->memory->non_gc_memory,
bits_per_column_rounded_up,
line_size, "pr201_print_page(out)");
if(in == 0 || out == 0)
return -1;
if (pdev->width & 7)
mask = ~(255>>(pdev->width & 7));
else
mask = 255, endidx--;
gp_fputs("\033cl", pdev->file);
gp_fputs("\033P", pdev->file);
if (check_mode(pdev->dname)==PR150){
gp_fprintf(pdev->file, "\034d%d.", x_dpi);
}
gp_fprintf(pdev->file, "\033T%d" , lr_pitch);
if (bits_per_column_rounded_up != bits_per_column) {
memset(in + bits_per_column * line_size, 0,
(bits_per_column_rounded_up - bits_per_column) *
line_size);
memset(out, 0,
bits_per_column_rounded_up * line_size);
}
lnum = 0;
skip = 0;
while(lnum < height) {
byte *inp, *outp, *out_beg, *out_end, *p;
int x, y, num_lines, size, mod, i;
if((num_lines = height - lnum) > bits_per_column)
num_lines = bits_per_column;
for (i = 0, p = in; i < num_lines; i++, p += line_size) {
code = gdev_prn_get_bits(pdev, lnum + i, p, NULL);
if (code < 0)
goto error;
p[endidx] &= mask;
}
for (; i < bits_per_column; i++, p += line_size) {
memset(p, 0, line_size);
}
size = line_size * num_lines;
if(in[0] == 0 &&
!memcmp((char *)in, (char *)in + 1, size - 1)) {
lnum += bits_per_column;
skip ++;
continue;
}
if(num_lines < bits_per_column) {
size = line_size * (bits_per_column - num_lines);
memset(in + line_size * num_lines, 0, size);
}
lnum += bits_per_column;
while(skip > 72) {
gp_fprintf(pdev->file, "\037%c", 16 + 72);
skip -= 72;
}
if(skip > 0) {
gp_fprintf(pdev->file, "\037%c", 16 + skip);
}
for(y = 0; y < bytes_per_column; y ++) {
inp = in + line_size * 8 * y;
outp = out + y;
for(x = 0; x < line_size; x ++) {
pr201_transpose_8x8(inp, line_size,
outp, bytes_per_column);
inp ++;
outp += bits_per_column;
}
}
out_end = out + chunk_size - 1;
while(out_end >= out) {
if(*out_end)
break;
out_end --;
}
size = (out_end - out) + 1;
if((mod = size % bytes_per_column) != 0)
out_end += bytes_per_column - mod;
out_beg = out;
while(out_beg <= out_end) {
if(*out_beg)
break;
out_beg ++;
}
out_beg -= (out_beg - out) % bytes_per_column;
gp_fprintf(pdev->file, "\033F%04" PRIdSIZE,
(out_beg - out) / bytes_per_column);
size = out_end - out_beg + 1;
if (check_mode(pdev->dname)==PR201){
gp_fprintf(pdev->file,"\033J%04d", size / bytes_per_column);
}else{
gp_fprintf(pdev->file,"\034bP,48,%04d.",
size / bytes_per_column);
}
gp_fwrite(out_beg, size, 1, pdev->file);
gp_fputc('\r', pdev->file);
skip = 1;
}
gp_fputc('\f',pdev->file);
gp_fflush(pdev->file);
error:
gs_free(pdev->memory->non_gc_memory, (char *)out,
bits_per_column, line_size, "pr201_print_page(out)");
gs_free(pdev->memory->non_gc_memory, (char *)in,
bits_per_column, line_size, "pr201_print_page(in)");
return code;
}