/* Copyright (C) 2001-2006 Artifex Software, Inc.
   All Rights Reserved.
  
   This software is provided AS-IS with no warranty, either express or
   implied.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/
   or contact Artifex Software, Inc.,  7 Mt. Lassen Drive - Suite A-134,
   San Rafael, CA  94903, U.S.A., +1(415)492-9861, for further information.
*/
/* $Id$ */
/*
 * 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.
 */
static 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 */
static 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, 256, 256,
		    cljc_print_page)
};