/* 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 8022 2007-06-05 22:23:38Z 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 - */
private 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> */
private 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 - */
private 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> */
private int
zcurrentsourcetransparent(i_ctx_t *i_ctx_p)
{
    os_ptr op = osp;

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

/* <bool> .settexturetransparent - */
private 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> */
private 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)
};