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/* Copyright (C) 1994, 1995 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.
*/
/* gdevdfax.c */
/* DigiBoard fax device. */
/***
*** Note: this driver is maintained by a user: please contact
*** Rick Richardson (rick@digibd.com) if you have questions.
***/
#include "gdevprn.h"
#include "strimpl.h"
#include "scfx.h"
/* Import the key routines from gdevtfax.c. */
int gdev_fax_open(P1(gx_device *));
void gdev_fax_init_state(P2(stream_CFE_state *, const gx_device_printer *));
int gdev_fax_print_page(P3(gx_device_printer *, FILE *, stream_CFE_state *));
/* Define the device parameters. */
#define X_DPI 204
#define Y_DPI 196
/* The device descriptors */
private dev_proc_open_device(dfax_prn_open);
private dev_proc_print_page(dfax_print_page);
struct gx_device_dfax_s {
gx_device_common;
gx_prn_device_common;
long pageno;
uint iwidth; /* width of image data in pixels */
};
typedef struct gx_device_dfax_s gx_device_dfax;
private gx_device_procs dfax_procs =
prn_procs(dfax_prn_open, gdev_prn_output_page, gdev_prn_close);
gx_device_dfax far_data gs_dfaxlow_device =
{ prn_device_std_body(gx_device_dfax, dfax_procs, "dfaxlow",
DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS,
X_DPI, Y_DPI/2,
0,0,0,0, /* margins */
1, dfax_print_page)
};
gx_device_dfax far_data gs_dfaxhigh_device =
{ prn_device_std_body(gx_device_dfax, dfax_procs, "dfaxhigh",
DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS,
X_DPI, Y_DPI,
0,0,0,0, /* margins */
1, dfax_print_page)
};
#define dfdev ((gx_device_dfax *)dev)
/* Open the device, adjusting the paper size. */
private int
dfax_prn_open(gx_device *dev)
{ dfdev->pageno = 0;
return gdev_fax_open(dev);
}
/* Print a DigiFAX page. */
private int
dfax_print_page(gx_device_printer *dev, FILE *prn_stream)
{ stream_CFE_state state;
static char hdr[64] = "\000PC Research, Inc\000\000\000\000\000\000";
int code;
gdev_fax_init_state(&state, dev);
state.EndOfLine = true;
state.EncodedByteAlign = true;
/* Start a page: write the header */
hdr[24] = 0; hdr[28] = 1;
hdr[26] = ++dfdev->pageno; hdr[27] = dfdev->pageno >> 8;
if (dev->y_pixels_per_inch == Y_DPI)
{ hdr[45] = 0x40; hdr[29] = 1; } /* high res */
else
{ hdr[45] = hdr[29] = 0; } /* low res */
fseek(prn_stream, 0, SEEK_END);
fwrite(hdr, sizeof(hdr), 1, prn_stream);
/* Write the page */
code = gdev_fax_print_page(dev, prn_stream, &state);
/* Fixup page count */
fseek(prn_stream, 24L, SEEK_SET);
hdr[24] = dfdev->pageno; hdr[25] = dfdev->pageno >> 8;
fwrite(hdr+24, 2, 1, prn_stream);
return code;
}
#undef dfdev
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