ghostscript-7.07/src/gdevtrac.c

/* Copyright (C) 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: gdevtrac.c,v 1.2.6.1.2.1 2003/01/17 00:49:01 giles Exp $ */
/* Tracing device (including sample high-level implementation) */
#include "gx.h"
#include "gserrors.h"
#include "gscspace.h"
#include "gxdevice.h"
#include "gxtmap.h"		/* for gxdht.h */
#include "gxdht.h"
#include "gxfont.h"
#include "gxiparam.h"
#include "gxistate.h"
#include "gxpaint.h"
#include "gzpath.h"
#include "gzcpath.h"

/* Define the default resolution. */
#ifndef X_DPI
#  define X_DPI 720
#endif
#ifndef Y_DPI
#  define Y_DPI 720
#endif

extern_st(st_gs_text_enum);
extern_st(st_gx_image_enum_common);

/* ---------------- Internal utilities ---------------- */

private void
trace_drawing_color(const char *prefix, const gx_drawing_color *pdcolor)
{
    dprintf1("%scolor=", prefix);
    if (pdcolor->type == gx_dc_type_none)
	dputs("none");
    else if (pdcolor->type == gx_dc_type_null)
	dputs("null");
    else if (pdcolor->type == gx_dc_type_pure)
	dprintf1("0x%lx", (ulong)pdcolor->colors.pure);
    else if (pdcolor->type == gx_dc_type_ht_binary) {
	int ci = pdcolor->colors.binary.b_index;

	dprintf5("binary(0x%lx, 0x%lx, %d/%d, index=%d)",
		 (ulong)pdcolor->colors.binary.color[0],
		 (ulong)pdcolor->colors.binary.color[1],
		 pdcolor->colors.binary.b_level,
		 (ci < 0 ? pdcolor->colors.binary.b_ht->order.num_bits :
		  pdcolor->colors.binary.b_ht->components[ci].corder.num_bits),
		 ci);
    } else if (pdcolor->type == gx_dc_type_ht_colored) {
	ulong plane_mask = pdcolor->colors.colored.plane_mask;
	int ci;

	dprintf1("colored(mask=%lu", plane_mask);
	for (ci = 0; plane_mask != 0; ++ci, plane_mask >>= 1)
	    if (plane_mask & 1) {
		dprintf2(", (base=%u, level=%u)",
			 pdcolor->colors.colored.c_base[ci],
			 pdcolor->colors.colored.c_level[ci]);
	    } else
		dputs(", -");
    } else {
	dputs("**unknown**");
    }
}

private void
trace_lop(gs_logical_operation_t lop)
{
    dprintf1(", lop=0x%x", (uint)lop);
}

private void
trace_path(const gx_path *path)
{
    gs_path_enum penum;

    gx_path_enum_init(&penum, path);
    for (;;) {
	gs_fixed_point pts[3];

	switch (gx_path_enum_next(&penum, pts)) {
	case gs_pe_moveto:
	    dprintf2("    %g %g moveto\n", fixed2float(pts[0].x),
		     fixed2float(pts[0].y));
	    continue;
	case gs_pe_lineto:
	    dprintf2("    %g %g lineto\n", fixed2float(pts[0].x),
		     fixed2float(pts[0].y));
	    continue;
	case gs_pe_curveto:
	    dprintf6("    %g %g %g %g %g %g curveto\n", fixed2float(pts[0].x),
		     fixed2float(pts[0].y), fixed2float(pts[1].x),
		     fixed2float(pts[1].y), fixed2float(pts[2].x),
		     fixed2float(pts[2].y));
	    continue;
	case gs_pe_closepath:
	    dputs("    closepath\n");
	    continue;
	default:
	    break;
	}
	break;
    }
}

private void
trace_clip(gx_device *dev, const gx_clip_path *pcpath)
{
    if (pcpath == 0)
	return;
    if (gx_cpath_includes_rectangle(pcpath, fixed_0, fixed_0,
				    int2fixed(dev->width),
				    int2fixed(dev->height))
	)
	return;
    dputs(", clip={");
    if (pcpath->path_valid)
	trace_path(&pcpath->path);
    else
	dputs("NO PATH");
    dputs("}");
}

/* ---------------- Low-level driver procedures ---------------- */

private int
trace_fill_rectangle(gx_device * dev, int x, int y, int w, int h,
		     gx_color_index color)
{
    dprintf5("fill_rectangle(%d, %d, %d, %d, 0x%lx)\n",
	     x, y, w, h, (ulong)color);
    return 0;
}

private int
trace_copy_mono(gx_device * dev, const byte * data,
		int dx, int raster, gx_bitmap_id id,
		int x, int y, int w, int h,
		gx_color_index zero, gx_color_index one)
{
    dprintf7("copy_mono(x=%d, y=%d, w=%d, h=%d, dx=%d, raster=%d, id=0x%lx,\n",
	     x, y, w, h, dx, raster, (ulong)id);
    dprintf2("    colors=(0x%lx,0x%lx))\n", (ulong)zero, (ulong)one);
    return 0;
}

private int
trace_copy_color(gx_device * dev, const byte * data,
		 int dx, int raster, gx_bitmap_id id,
		 int x, int y, int w, int h)
{
    dprintf7("copy_color(x=%d, y=%d, w=%d, h=%d, dx=%d, raster=%d, id=0x%lx)\n",
	     x, y, w, h, dx, raster, (ulong)id);
    return 0;
}

private int
trace_copy_alpha(gx_device * dev, const byte * data, int dx, int raster,
		 gx_bitmap_id id, int x, int y, int w, int h,
		 gx_color_index color, int depth)
{
    dprintf7("copy_alpha(x=%d, y=%d, w=%d, h=%d, dx=%d, raster=%d, id=0x%lx,\n",
	     x, y, w, h, dx, raster, (ulong)id);
    dprintf2("    color=0x%lx, depth=%d)\n", (ulong)color, depth);
    return 0;
}

private int
trace_fill_mask(gx_device * dev,
		const byte * data, int dx, int raster, gx_bitmap_id id,
		int x, int y, int w, int h,
		const gx_drawing_color * pdcolor, int depth,
		gs_logical_operation_t lop, const gx_clip_path * pcpath)
{
    dprintf7("fill_mask(x=%d, y=%d, w=%d, h=%d, dx=%d, raster=%d, id=0x%lx,\n",
	     x, y, w, h, dx, raster, (ulong)id);
    trace_drawing_color("    ", pdcolor);
    dprintf1(", depth=%d", depth);
    trace_lop(lop);
    trace_clip(dev, pcpath);
    dputs(")\n");
    return 0;
}

private int
trace_fill_trapezoid(gx_device * dev,
		     const gs_fixed_edge * left,
		     const gs_fixed_edge * right,
		     fixed ybot, fixed ytop, bool swap_axes,
		     const gx_drawing_color * pdcolor,
		     gs_logical_operation_t lop)
{
    dputs("**fill_trapezoid**\n");
    return 0;
}

private int
trace_fill_parallelogram(gx_device * dev,
			 fixed px, fixed py, fixed ax, fixed ay,
			 fixed bx, fixed by, const gx_drawing_color * pdcolor,
			 gs_logical_operation_t lop)
{
    dprintf6("fill_parallelogram((%g,%g), (%g,%g), (%g,%g)",
	     fixed2float(px), fixed2float(py), fixed2float(ax),
	     fixed2float(ay), fixed2float(bx), fixed2float(by));
    trace_drawing_color(", ", pdcolor);
    trace_lop(lop);
    dputs(")\n");
    return 0;
}

private int
trace_fill_triangle(gx_device * dev,
		    fixed px, fixed py, fixed ax, fixed ay, fixed bx, fixed by,
		    const gx_drawing_color * pdcolor,
		    gs_logical_operation_t lop)
{
    dprintf6("fill_triangle((%g,%g), (%g,%g), (%g,%g)",
	     fixed2float(px), fixed2float(py), fixed2float(ax),
	     fixed2float(ay), fixed2float(bx), fixed2float(by));
    trace_drawing_color(", ", pdcolor);
    trace_lop(lop);
    dputs(")\n");
    return 0;
}

private int
trace_draw_thin_line(gx_device * dev,
		     fixed fx0, fixed fy0, fixed fx1, fixed fy1,
		     const gx_drawing_color * pdcolor,
		     gs_logical_operation_t lop)
{
    dprintf4("draw_thin_line((%g,%g), (%g,%g)",
	     fixed2float(fx0), fixed2float(fy0), fixed2float(fx1),
	     fixed2float(fy1));
    trace_drawing_color(", ", pdcolor);
    trace_lop(lop);
    dputs(")\n");
    return 0;
}

private int
trace_strip_tile_rectangle(gx_device * dev, const gx_strip_bitmap * tiles,
			   int x, int y, int w, int h,
			   gx_color_index color0, gx_color_index color1,
			   int px, int py)
{
    dprintf6("strip_tile_rectangle(x=%d, y=%d, w=%d, h=%d, colors=(0x%lx,0x%lx),\n",
	     x, y, w, h, (ulong)color0, (ulong)color1);
    dprintf8("    size=(%d,%d) shift %u, rep=(%u,%u) shift %u, phase=(%d,%d))\n",
	     tiles->size.x, tiles->size.y, tiles->shift,
	     tiles->rep_width, tiles->rep_height, tiles->rep_shift, px, py);
    return 0;
}

private int
trace_strip_copy_rop(gx_device * dev, const byte * sdata, int sourcex,
		     uint sraster, gx_bitmap_id id,
		     const gx_color_index * scolors,
		     const gx_strip_bitmap * textures,
		     const gx_color_index * tcolors,
		     int x, int y, int width, int height,
		     int phase_x, int phase_y, gs_logical_operation_t lop)
{
    dputs("**strip_copy_rop**\n");
    return 0;
}

/* ---------------- High-level driver procedures ---------------- */

private int
trace_fill_path(gx_device * dev, const gs_imager_state * pis,
		gx_path * ppath, const gx_fill_params * params,
		const gx_drawing_color * pdcolor,
		const gx_clip_path * pcpath)
{
    dputs("fill_path({\n");
    trace_path(ppath);
    trace_drawing_color("}, ", pdcolor);
    dprintf5(", rule=%d, adjust=(%g,%g), flatness=%g, fill_zero_width=%s",
	     params->rule, fixed2float(params->adjust.x),
	     fixed2float(params->adjust.y), params->flatness,
	     (params->fill_zero_width ? "true" : "false"));
    trace_clip(dev, pcpath);
    /****** pis ******/
    dputs(")\n");
    return 0;
}

private int
trace_stroke_path(gx_device * dev, const gs_imager_state * pis,
		  gx_path * ppath, const gx_stroke_params * params,
		  const gx_drawing_color * pdcolor,
		  const gx_clip_path * pcpath)
{
    dputs("stroke_path({\n");
    trace_path(ppath);
    trace_drawing_color("}, ", pdcolor);
    dprintf1(", flatness=%g", params->flatness);
    trace_clip(dev, pcpath);
    /****** pis ******/
    dputs(")\n");
    return 0;
}

typedef struct trace_image_enum_s {
    gx_image_enum_common;
    gs_memory_t *memory;
    int rows_left;
} trace_image_enum_t;
gs_private_st_suffix_add0(st_trace_image_enum, trace_image_enum_t,
			  "trace_image_enum_t", trace_image_enum_enum_ptrs,
			  trace_image_enum_reloc_ptrs,
			  st_gx_image_enum_common);
private int
trace_plane_data(gx_image_enum_common_t * info,
		 const gx_image_plane_t * planes, int height,
		 int *rows_used)
{
    trace_image_enum_t *pie = (trace_image_enum_t *)info;
    int i;

    dprintf1("image_plane_data(height=%d", height);
    for (i = 0; i < pie->num_planes; ++i) {
	if (planes[i].data)
	    dprintf4(", {depth=%d, width=%d, dx=%d, raster=%u}",
		     pie->plane_depths[i], pie->plane_widths[i],
		     planes[i].data_x, planes[i].raster);
	else
	    dputs(", -");
    }
    dputs(")\n");
    *rows_used = height;
    return (pie->rows_left -= height) <= 0;
}
private int
trace_end_image(gx_image_enum_common_t * info, bool draw_last)
{
    trace_image_enum_t *pie = (trace_image_enum_t *)info;

    gs_free_object(pie->memory, pie, "trace_end_image");
    return 0;
}
private const gx_image_enum_procs_t trace_image_enum_procs = {
    trace_plane_data, trace_end_image
};
private int
trace_begin_typed_image(gx_device * dev, const gs_imager_state * pis,
			const gs_matrix * pmat,
			const gs_image_common_t * pim,
			const gs_int_rect * prect,
			const gx_drawing_color * pdcolor,
			const gx_clip_path * pcpath,
			gs_memory_t * memory,
			gx_image_enum_common_t ** pinfo)
{
    trace_image_enum_t *pie;
    const gs_pixel_image_t *ppi = (const gs_pixel_image_t *)pim;
    int ncomp;

    dprintf7("begin_typed_image(type=%d, ImageMatrix=[%g %g %g %g %g %g]",
	     pim->type->index, pim->ImageMatrix.xx, pim->ImageMatrix.xy,
	     pim->ImageMatrix.yx, pim->ImageMatrix.yy,
	     pim->ImageMatrix.tx, pim->ImageMatrix.ty);
    switch (pim->type->index) {
    case 1:
	if (((const gs_image1_t *)ppi)->ImageMask) {
	    ncomp = 1;
	    break;
	}
	/* falls through */
    case 4:
	ncomp = gs_color_space_num_components(ppi->ColorSpace);
	break;
    case 3:
	ncomp = gs_color_space_num_components(ppi->ColorSpace) + 1;
	break;
    case 2:			/* no data */
	dputs(")\n");
	return 1;
    default:
	goto dflt;
    }
    pie = gs_alloc_struct(memory, trace_image_enum_t, &st_trace_image_enum,
			  "trace_begin_typed_image");
    if (pie == 0)
	goto dflt;
    if (gx_image_enum_common_init((gx_image_enum_common_t *)pie,
				  (const gs_data_image_t *)pim,
				  &trace_image_enum_procs, dev, ncomp,
				  ppi->format) < 0
	)
	goto dflt;
    dprintf4("\n    Width=%d, Height=%d, BPC=%d, num_components=%d)\n",
	     ppi->Width, ppi->Height, ppi->BitsPerComponent, ncomp);
    pie->memory = memory;
    pie->rows_left = ppi->Height;
    *pinfo = (gx_image_enum_common_t *)pie;
    return 0;
 dflt:
    dputs(") DEFAULTED\n");
    return gx_default_begin_typed_image(dev, pis, pmat, pim, prect, pdcolor,
					pcpath, memory, pinfo);
}

private int
trace_text_process(gs_text_enum_t *pte)
{
    return 0;
}
private const gs_text_enum_procs_t trace_text_procs = {
    NULL, trace_text_process, NULL, NULL, NULL, NULL,
    gx_default_text_release
};
private int
trace_text_begin(gx_device * dev, gs_imager_state * pis,
		 const gs_text_params_t * text, gs_font * font,
		 gx_path * path, const gx_device_color * pdcolor,
		 const gx_clip_path * pcpath, gs_memory_t * memory,
		 gs_text_enum_t ** ppenum)
{
    static const char *const tags[sizeof(text->operation) * 8] = {
	"FROM_STRING", "FROM_BYTES", "FROM_CHARS", "FROM_GLYPHS",
	"FROM_SINGLE_CHAR", "FROM_SINGLE_GLYPH",
	"ADD_TO_ALL_WIDTHS", "ADD_TO_SPACE_WIDTH",
	"REPLACE_WIDTHS", "DO_NONE", "DO_DRAW", "DO_CHARWIDTH",
	"DO_FALSE_CHARPATH", "DO_TRUE_CHARPATH",
	"DO_FALSE_CHARBOXPATH", "DO_TRUE_CHARBOXPATH",
	"INTERVENE", "RETURN_WIDTH"
    };
    int i;
    gs_text_enum_t *pte;
    int code;

    dputs("text_begin(");
    for (i = 0; i < countof(tags); ++i)
	if (text->operation & (1 << i)) {
	    if (tags[i])
		dprintf1("%s ", tags[i]);
	    else
		dprintf1("%d? ", i);
	}
    dprintf1("font=%s\n           text=(", font->font_name.chars);
    if (text->operation & TEXT_FROM_SINGLE_CHAR)
	dprintf1("0x%lx", (ulong)text->data.d_char);
    else if (text->operation & TEXT_FROM_SINGLE_GLYPH)
	dprintf1("0x%lx", (ulong)text->data.d_glyph);
    else
	for (i = 0; i < text->size; ++i) {
	    if (text->operation & TEXT_FROM_STRING)
		dputc(text->data.bytes[i]);
	    else
		dprintf1("0x%lx ",
			 (text->operation & TEXT_FROM_GLYPHS ?
			  (ulong)text->data.glyphs[i] :
			  (ulong)text->data.chars[i]));
    }
    dprintf1(")\n           size=%u", text->size);
    if (text->operation & TEXT_ADD_TO_ALL_WIDTHS)
	dprintf2(", delta_all=(%g,%g)", text->delta_all.x, text->delta_all.y);
    if (text->operation & TEXT_ADD_TO_SPACE_WIDTH) {
	dprintf3(", space=0x%lx, delta_space=(%g,%g)",
		 (text->operation & TEXT_FROM_GLYPHS ?
		  (ulong)text->space.s_glyph : (ulong)text->space.s_char),
		 text->delta_space.x, text->delta_space.y);
    }
    if (text->operation & TEXT_REPLACE_WIDTHS) {
	dputs("\n           widths=");
	for (i = 0; i < text->widths_size; ++i) {
	    if (text->x_widths)
		dprintf1("(%g,", text->x_widths[i]);
	    else
		dputs("(,");
	    if (text->y_widths)
		dprintf1("%g)",
			 (text->y_widths == text->x_widths ?
			  text->y_widths[++i] : text->y_widths[i]));
	    else
		dputs(")");
	}
    }
    if (text->operation & TEXT_DO_DRAW)
	trace_drawing_color(", ", pdcolor);
    /*
     * We can't do it if CHAR*PATH or INTERVENE, or if (RETURN_WIDTH and not
     * REPLACE_WIDTHS and we can't get the widths from the font).
     */
    if (text->operation &
	(TEXT_DO_FALSE_CHARPATH | TEXT_DO_TRUE_CHARPATH |
	 TEXT_DO_FALSE_CHARBOXPATH | TEXT_DO_TRUE_CHARBOXPATH |
	 TEXT_INTERVENE)
	)
	goto dflt;
    rc_alloc_struct_1(pte, gs_text_enum_t, &st_gs_text_enum, memory,
		      goto dflt, "trace_text_begin");
    code = gs_text_enum_init(pte, &trace_text_procs, dev, pis, text, font,
			     path, pdcolor, pcpath, memory);
    if (code < 0)
	goto dfree;
    if ((text->operation & (TEXT_DO_CHARWIDTH | TEXT_RETURN_WIDTH)) &&
	!(text->operation & TEXT_REPLACE_WIDTHS)
	) {
	/*
	 * Get the widths from the font.  This code is mostly copied from
	 * the pdfwrite driver, and should probably be shared with it.
	 * ****** WRONG IF Type 0 FONT ******
	 */
	int i;
	gs_point w;
	double scale = (font->FontType == ft_TrueType ? 0.001 : 1.0);
	gs_fixed_point origin;
	gs_point dpt;
	int num_spaces = 0;

	if (!(text->operation & TEXT_FROM_STRING))
	    goto dfree;		/* can't handle yet */
	if (gx_path_current_point(path, &origin) < 0)
	    goto dfree;
	w.x = 0, w.y = 0;
	for (i = 0; i < text->size; ++i) {
	    gs_char ch = text->data.bytes[i];
	    int wmode = font->WMode;
	    gs_glyph glyph =
		((gs_font_base *)font)->procs.encode_char(font, ch,
							  GLYPH_SPACE_INDEX);
	    gs_glyph_info_t info;

	    if (glyph != gs_no_glyph &&
		(code = font->procs.glyph_info(font, glyph, NULL,
					       GLYPH_INFO_WIDTH0 << wmode,
					       &info)) >= 0
	    ) {
		w.x += info.width[wmode].x;
		w.y += info.width[wmode].y;
	    } else
		goto dfree;
	    if (ch == text->space.s_char)
		++num_spaces;
	}
	gs_distance_transform(w.x * scale, w.y * scale,
			      &font->FontMatrix, &dpt);
	if (text->operation & TEXT_ADD_TO_ALL_WIDTHS) {
	    int num_chars = text->size;

	    dpt.x += text->delta_all.x * num_chars;
	    dpt.y += text->delta_all.y * num_chars;
	}
	if (text->operation & TEXT_ADD_TO_SPACE_WIDTH) {
	    dpt.x += text->delta_space.x * num_spaces;
	    dpt.y += text->delta_space.y * num_spaces;
	}
	pte->returned.total_width = dpt;
	gs_distance_transform(dpt.x, dpt.y, &ctm_only(pis), &dpt);
	code = gx_path_add_point(path,
				 origin.x + float2fixed(dpt.x),
				 origin.y + float2fixed(dpt.y));
	if (code < 0)
	    goto dfree;
    }
    dputs(")\n");
    *ppenum = pte;
    return 0;
 dfree:
    gs_free_object(memory, pte, "trace_text_begin");
 dflt:
    dputs(") DEFAULTED\n");
    return gx_default_text_begin(dev, pis, text, font, path, pdcolor,
				 pcpath, memory, ppenum);
}

/* ---------------- The device definition ---------------- */

#define TRACE_DEVICE_BODY(dname, ncomp, depth, map_rgb_color, map_color_rgb, map_cmyk_color, map_rgb_alpha_color)\
    std_device_dci_body(gx_device, 0, dname,\
			DEFAULT_WIDTH_10THS * X_DPI / 10,\
			DEFAULT_HEIGHT_10THS * Y_DPI / 10,\
			X_DPI, Y_DPI, ncomp, depth,\
			(1 << (depth / ncomp)) - 1,\
			(ncomp > 1 ? (1 << (depth / ncomp)) - 1 : 0),\
			1 << (depth / ncomp),\
			(ncomp > 1 ? 1 << (depth / ncomp) : 1)),\
{\
     NULL,			/* open_device */\
     NULL,			/* get_initial_matrix */\
     NULL,			/* sync_output */\
     NULL,			/* output_page */\
     NULL,			/* close_device */\
     map_rgb_color,		/* differs */\
     map_color_rgb,		/* differs */\
     trace_fill_rectangle,\
     NULL,			/* tile_rectangle */\
     trace_copy_mono,\
     trace_copy_color,\
     NULL,			/* draw_line */\
     NULL,			/* get_bits */\
     NULL,			/* get_params */\
     NULL,			/* put_params */\
     map_cmyk_color,		/* differs */\
     NULL,			/* get_xfont_procs */\
     NULL,			/* get_xfont_device */\
     map_rgb_alpha_color,	/* differs */\
     gx_page_device_get_page_device,\
     NULL,			/* get_alpha_bits */\
     trace_copy_alpha,\
     NULL,			/* get_band */\
     NULL,			/* copy_rop */\
     trace_fill_path,\
     trace_stroke_path,\
     trace_fill_mask,\
     trace_fill_trapezoid,\
     trace_fill_parallelogram,\
     trace_fill_triangle,\
     trace_draw_thin_line,\
     NULL,			/* begin_image */\
     NULL,			/* image_data */\
     NULL,			/* end_image */\
     trace_strip_tile_rectangle,\
     trace_strip_copy_rop,\
     NULL,			/* get_clipping_box */\
     trace_begin_typed_image,\
     NULL,			/* get_bits_rectangle */\
     NULL,			/* map_color_rgb_alpha */\
     NULL,			/* create_compositor */\
     NULL,			/* get_hardware_params */\
     trace_text_begin,\
     NULL			/* finish_copydevice */\
}

const gx_device gs_tr_mono_device = {
    TRACE_DEVICE_BODY("tr_mono", 1, 1,
		      gx_default_b_w_map_rgb_color,
		      gx_default_b_w_map_color_rgb, NULL, NULL)
};

const gx_device gs_tr_rgb_device = {
    TRACE_DEVICE_BODY("tr_rgb", 3, 24,
		      gx_default_rgb_map_rgb_color,
		      gx_default_rgb_map_color_rgb, NULL, NULL)
};

const gx_device gs_tr_cmyk_device = {
    TRACE_DEVICE_BODY("tr_cmyk", 4, 4,
		      NULL, cmyk_1bit_map_color_rgb,
		      cmyk_1bit_map_cmyk_color, NULL)
};