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- /* Copyright (C) 1989, 1990, 1991 Aladdin Enterprises. All rights reserved.
-
- 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. */
-
- /* gdevtrfx.c */
- /* TruFax driver for Ghostscript. */
- /******
- ****** Note: this file requires encode_l.o as supplied by TruFax.
- ******/
- #include "gdevprn.h"
-
- /* The device descriptor */
- #define X_DPI 204
- #define Y_DPI 196
- #define LINE_SIZE ((X_DPI * 85 / 10 + 7) / 8) /* bytes per line */
- private dev_proc_print_page(trufax_print_page);
- gx_device_printer gs_trufax_device =
- prn_device(prn_std_procs, "TruFax",
- 85, /* width_10ths, 8.5" */
- 110, /* height_10ths, 11" */
- X_DPI, Y_DPI,
- 0,0,0,0, /* margins */
- 1, trufax_print_page);
-
- /* ------ Internal routines ------ */
-
- private int
- trufax_print_page(gx_device_printer *pdev, FILE *prn_stream)
- { char data[LINE_SIZE + 4];
- int lnum;
- int line_size;
- char out_data[5 * 1734]; /* Sized according to TruFax */
- int out_count;
-
- /* write TruFax header */
- strcpy(out_data, "COSIf2");
- out_data[6]=1;
- out_data[7]=0;
- out_data[8]=1;
- out_data[9]=0;
- fwrite(out_data, sizeof(char), 10, prn_stream);
-
- line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
- for ( lnum = 0; lnum < pdev->height; lnum++ )
- {
- gdev_prn_copy_scan_lines(pdev, lnum, (byte *)data, line_size);
- /* 1728 = Sized according to TruFax */
- out_count = encode_line(1728, data, out_data);
- putc(out_count % 256, prn_stream);
- putc(out_count / 256, prn_stream);
- /* send the row */
- fwrite(out_data, sizeof(char), out_count, prn_stream);
- }
- return 0;
- }
-