home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1991, 1994 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- or distributor accepts any responsibility for the consequences of using it,
- or for whether it serves any particular purpose or works at all, unless he
- or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin Ghostscript must include a copy of the License,
- normally in a plain ASCII text file named PUBLIC. The License grants you
- the right to copy, modify and redistribute Aladdin Ghostscript, but only
- under certain conditions described in the License. Among other things, the
- License requires that the copyright notice and this notice be preserved on
- all copies.
- */
-
- /* gdevlbp8.c */
- /* Canon LBP-8II and LIPS III driver for Ghostscript */
- #include "gdevprn.h"
-
- #define X_DPI 300
- #define Y_DPI 300
- #define LINE_SIZE ((X_DPI * 85 / 10 + 7) / 8) /* bytes per line */
-
- /* The device descriptors */
- private dev_proc_print_page(lbp8_print_page);
- private dev_proc_print_page(lips3_print_page);
-
- gx_device_printer far_data gs_lbp8_device =
- prn_device(prn_std_procs, "lbp8",
- DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS,
- X_DPI, Y_DPI,
- 0.16, 0.20, 0.32, 0.20, /* margins */
- 1, lbp8_print_page);
-
- gx_device_printer far_data gs_lips3_device =
- prn_device(prn_std_procs, "lips3",
- 82, /* width_10ths, 8.3" */
- 117, /* height_10ths, 11.7" */
- X_DPI, Y_DPI,
- 0.16, 0.27, 0.23, 0.27, /* margins */
- 1, lips3_print_page);
-
- /* ------ Internal routines ------ */
-
- #define ESC 0x1b
- #define CSI 0233
- #define DCS 0220
- #define ST 0234
-
- static const char lbp8_init[] = {
- ESC, ';', ESC, 'c', ESC, ';', /* reset, ISO */
- CSI, '2', '&', 'z', /* fullpaint mode */
- CSI, '1', '4', 'p', /* select page type (A4) */
- CSI, '1', '1', 'h', /* set mode */
- CSI, '7', ' ', 'I', /* select unit size (300dpi)*/
- };
-
- static const char lbp8_end[] = {
- };
-
- static const char lips3_init[] = {
- ESC, '<', /* soft reset */
- DCS, '0', 'J', ST, /* JOB END */
- DCS, '3', '1', ';', '3', '0', '0', ';', '2', 'J', ST, /* 300dpi, LIPS3 JOB START */
- ESC, '<', /* soft reset */
- DCS, '2', 'y', 'P', 'r', 'i', 'n', 't', 'i', 'n', 'g', '(', 'g', 's', ')', ST, /* Printing (gs) display */
- CSI, '?', '1', 'l', /* auto cr-lf disable */
- CSI, '?', '2', 'h', /* auto ff disable */
- CSI, '1', '1', 'h', /* set mode */
- CSI, '7', ' ', 'I', /* select unit size (300dpi)*/
- CSI, 'f' /* move to home position */
- };
-
- static const char lips3_end[] = {
- DCS, '0', 'J', ST /* JOB END */
- };
-
- /* Send the page to the printer. */
- private int
- can_print_page(gx_device_printer *pdev, FILE *prn_stream,
- const char *init, int init_size, const char *end, int end_size)
- { char data[LINE_SIZE*2];
- char *out_data;
- int out_count;
-
- #define CSI_print(str) fprintf(prn_stream, str, CSI)
- #define CSI_print_1(str,arg) fprintf(prn_stream, str, CSI, arg)
-
- fwrite(init, init_size, 1, prn_stream); /* initialize */
-
- /* Send each scan line in turn */
- { int lnum;
- int line_size = gdev_mem_bytes_per_scan_line((gx_device *)pdev);
- byte rmask = (byte)(0xff << (-pdev->width & 7));
-
- for ( lnum = 0; lnum < pdev->height; lnum++ )
- { char *end_data = data + LINE_SIZE;
- gdev_prn_copy_scan_lines(pdev, lnum,
- (byte *)data, line_size);
- /* Mask off 1-bits beyond the line width. */
- end_data[-1] &= rmask;
- /* Remove trailing 0s. */
- while ( end_data > data && end_data[-1] == 0 )
- end_data--;
- if ( end_data != data )
- {
- int num_cols = 0;
-
- out_data = data;
- while(out_data < end_data && *out_data == 0)
- {
- num_cols += 8;
- out_data++;
- }
- out_count = end_data - out_data;
-
- /* move down */
- CSI_print_1("%c%dd", lnum);
- /* move across */
- CSI_print_1("%c%d`", num_cols);
-
- /* transfer raster graphics */
- fprintf(prn_stream, "%c%d;%d;300;.r",
- CSI, out_count, out_count);
-
- /* send the row */
- fwrite(out_data, sizeof(char),
- out_count, prn_stream);
- }
- }
- }
-
- /* eject page */
- fprintf(prn_stream, "%c=", ESC);
-
- /* terminate */
- fwrite(end, end_size, 1, prn_stream);
-
- return 0;
- }
-
- /* Print an LBP-8 page. */
- private int
- lbp8_print_page(gx_device_printer *pdev, FILE *prn_stream)
- { return can_print_page(pdev, prn_stream, lbp8_init, sizeof(lbp8_init),
- lbp8_end, sizeof(lbp8_end));
- }
-
- /* Print a LIPS III page. */
- private int
- lips3_print_page(gx_device_printer *pdev, FILE *prn_stream)
- { return can_print_page(pdev, prn_stream, lips3_init, sizeof(lips3_init),
- lips3_end, sizeof(lips3_end));
- }
-