/* Copyright (C) 1998, 1999, 2000 artofcode LLC.  All rights reserved.
  
  This program is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  59 Temple Place, Suite 330, Boston, MA, 02111-1307.

*/

/*$Id: gdevcljc.c,v 1.4.2.1.2.1 2003/01/17 00:49:00 giles Exp $ */
/*
 * H-P Color LaserJet 5/5M contone device; based on the gdevclj.c.
 */
#include "math_.h"
#include "gdevprn.h"
#include "gdevpcl.h"

/* X_DPI and Y_DPI must be the same */
#define X_DPI 300
#define Y_DPI 300

/* Send the page to the printer.  Compress each scan line.  NB - the
 * render mode as well as color parameters - bpp etc. are all
 * hardwired.
 */
private int
cljc_print_page(gx_device_printer * pdev, FILE * prn_stream)
{
    gs_memory_t *mem = pdev->memory;
    uint raster = gx_device_raster((gx_device *)pdev, false);
    int i;
    int worst_case_comp_size = raster + (raster / 8) + 1;
    byte *data = 0;
    byte *cdata = 0;
    byte *prow = 0;
    int code = 0;

    /* allocate memory for the raw data and compressed data.  */
    if (((data = gs_alloc_bytes(mem, raster, "cljc_print_page(data)")) == 0) ||
	((cdata = gs_alloc_bytes(mem, worst_case_comp_size, "cljc_print_page(cdata)")) == 0) ||
	((prow = gs_alloc_bytes(mem, worst_case_comp_size, "cljc_print_page(prow)")) == 0)) {
	code = gs_note_error(gs_error_VMerror);
	goto out;
    }
    /* send a reset and the the paper definition */
    fprintf(prn_stream, "\033E\033&u300D\033&l%dA",
	    gdev_pcl_paper_size((gx_device *) pdev));
    /* turn off source and pattern transparency */
    fprintf(prn_stream, "\033*v1N\033*v1O");
    /* set color render mode and the requested resolution */
    fprintf(prn_stream, "\033*t4J\033*t%dR", (int)(pdev->HWResolution[0]));
    /* set up the color model - NB currently hardwired to direct by
       pixel which requires 8 bits per component.  See PCL color
       technical reference manual for other possible encodings. */
    fprintf(prn_stream, "\033*v6W%c%c%c%c%c%c", 0, 3, 0, 8, 8, 8);
    /* set up raster width and height, compression mode 3 */
    fprintf(prn_stream, "\033&l0e-180u36Z\033*p0x0Y\033*r1A\033*b3M");
    /* initialize the seed row */
    memset(prow, 0, worst_case_comp_size);
    /* process each scanline */
    for (i = 0; i < pdev->height; i++) {
	int compressed_size;

	code = gdev_prn_copy_scan_lines(pdev, i, (byte *) data, raster);
	if (code < 0)
	    break;
	compressed_size = gdev_pcl_mode3compress(raster, data, prow, cdata);
	fprintf(prn_stream, "\033*b%dW", compressed_size);
	fwrite(cdata, sizeof(byte), compressed_size, prn_stream);
    }
    /* PCL will take care of blank lines at the end */
    fputs("\033*rC\f", prn_stream);
out:
    gs_free_object(mem, prow, "cljc_print_page(prow)");
    gs_free_object(mem, cdata, "cljc_print_page(cdata)");
    gs_free_object(mem, data, "cljc_print_page(data)");
    return code;
}

/* CLJ device methods */
private gx_device_procs cljc_procs =
prn_color_procs(gdev_prn_open, gdev_prn_output_page, gdev_prn_close,
		gx_default_rgb_map_rgb_color, gx_default_rgb_map_color_rgb);

/* the CLJ device */
const gx_device_printer gs_cljet5c_device =
{
    prn_device_body(gx_device_printer, cljc_procs, "cljet5c",
		    85, 110, X_DPI, Y_DPI,
		    0.167, 0.167,
		    0.167, 0.167,
		    3, 24, 255, 255, 5, 5,
		    cljc_print_page)
};