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/* Copyright (C) 1992, 2000, 2001 Aladdin Enterprises. 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 the license contained in the file LICENSE in this distribution.
For more information about licensing, please refer to
http://www.ghostscript.com/licensing/. For information on
commercial licensing, go to http://www.artifex.com/licensing/ or
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
*/
/* $Id$ */
/* 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.
*/
private 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, cs_base_space(pcs) != 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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