/* 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: zrop.c 8250 2007-09-25 13:31:24Z giles $ */
/* RasterOp control operators */
#include "memory_.h"
#include "ghost.h"
#include "oper.h"
#include "gsrop.h"
#include "gsutil.h"
#include "gxdevice.h"
#include "idict.h"
#include "idparam.h"
#include "igstate.h"
#include "store.h"

/* <int8> .setrasterop - */
static int
zsetrasterop(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;
    int param;
    int code = int_param(op, 0xff, &param);

    if (code < 0)
	return code;
    gs_setrasterop(igs, (gs_rop3_t)param);
    pop(1);
    return 0;
}

/* - .currentrasterop <int8> */
static int
zcurrentrasterop(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

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

/* <bool> .setsourcetransparent - */
static int
zsetsourcetransparent(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

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

/* - .currentsourcetransparent <bool> */
static int
zcurrentsourcetransparent(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

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

/* <bool> .settexturetransparent - */
static int
zsettexturetransparent(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

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

/* - .currenttexturetransparent <bool> */
static int
zcurrenttexturetransparent(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

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

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

const op_def zrop_op_defs[] =
{
    {"0.currentrasterop", zcurrentrasterop},
    {"0.currentsourcetransparent", zcurrentsourcetransparent},
    {"0.currenttexturetransparent", zcurrenttexturetransparent},
    {"1.setrasterop", zsetrasterop},
    {"1.setsourcetransparent", zsetsourcetransparent},
    {"1.settexturetransparent", zsettexturetransparent},
    op_def_end(0)
};
