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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: zcolor2.c 9043 2008-08-28 22:48:19Z giles $ */
/* Level 2 color operators */
#include "ghost.h"
#include "string_.h"
#include "oper.h"
#include "gsmatrix.h"
#include "gsstruct.h"
#include "gxcspace.h"
#include "gscolor2.h"
#include "igstate.h"
#include "store.h"
/*
* - .useralternate <bool>
*
* Push true if the current color space contains a base or alternate
* color space and makes use of that color space (e.g.: a Separation
* color space for a component not supported by the process color model.
*/
static int
zusealternate(i_ctx_t * i_ctx_p)
{
os_ptr op = osp;
const gs_color_space * pcs = gs_currentcolorspace(igs);
push(1);
make_bool(op, pcs->base_space != 0);
return 0;
}
/* ------ Initialization procedure ------ */
const op_def zcolor2_l2_op_defs[] = {
op_def_begin_level2(),
{ "0.usealternate", zusealternate },
op_def_end(0)
};
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