File: zcssepr.c

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/* 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: zcssepr.c 9043 2008-08-28 22:48:19Z giles $ */
/* Separation color space support */
#include "memory_.h"
#include "ghost.h"
#include "oper.h"
#include "gsstruct.h"
#include "gscolor.h"
#include "gsmatrix.h"		/* for gxcolor2.h */
#include "gxcspace.h"
#include "gxfixed.h"		/* ditto */
#include "gxcolor2.h"
#include "estack.h"
#include "ialloc.h"
#include "icsmap.h"
#include "ifunc.h"
#include "igstate.h"
#include "iname.h"
#include "ivmspace.h"
#include "store.h"
#include "gscsepr.h"
#include "gscdevn.h"
#include "gxcdevn.h"
#include "zht2.h"

/* Imported from gscsepr.c */
extern const gs_color_space_type gs_color_space_type_Separation;
/* Imported from gscdevn.c */
extern const gs_color_space_type gs_color_space_type_DeviceN;

/*
 * Adobe first created the separation colorspace type and then later created
 * the DeviceN colorspace.  Logically the separation colorspace is the same
 * as a DeviceN colorspace with a single component, except for the /None and
 * /All parameter values.  We treat the separation colorspace as a DeviceN
 * colorspace except for the /All case.
 */

/* - currentoverprint <bool> */
static int
zcurrentoverprint(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

    push(1);
    make_bool(op, gs_currentoverprint(igs));
    return 0;
}

/* <bool> setoverprint - */
static int
zsetoverprint(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

    check_type(*op, t_boolean);
    gs_setoverprint(igs, op->value.boolval);
    pop(1);
    return 0;
}

/* - .currentoverprintmode <int> */
static int
zcurrentoverprintmode(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

    push(1);
    make_int(op, gs_currentoverprintmode(igs));
    return 0;
}

/* <int> .setoverprintmode - */
static int
zsetoverprintmode(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;
    int param;
    int code = int_param(op, max_int, &param);

    if (code < 0 || (code = gs_setoverprintmode(igs, param)) < 0)
	return code;
    pop(1);
    return 0;
}

/* ------ Initialization procedure ------ */

const op_def zcssepr_l2_op_defs[] =
{
    op_def_begin_level2(),
    {"0currentoverprint", zcurrentoverprint},
    {"0.currentoverprintmode", zcurrentoverprintmode},
    {"1setoverprint", zsetoverprint},
    {"1.setoverprintmode", zsetoverprintmode},
    op_def_end(0)
};