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/* Copyright (C) 1992, 2000, 2001 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: zcolor2.c,v 1.10 2002/08/22 07:12:29 henrys Exp $ */
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/* Level 2 color operators */
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#include "ghost.h"
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#include "string_.h"
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#include "oper.h"
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#include "gsmatrix.h"
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#include "gsstruct.h"
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#include "gxcspace.h"
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#include "gscolor2.h"
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#include "igstate.h"
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#include "store.h"
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/*
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* - .useralternate <bool>
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*
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* Push true if the current color space contains a base or alternate
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* color space and makes use of that color space (e.g.: a Separation
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* color space for a component not supported by the process color model.
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*/
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private int
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zusealternate(i_ctx_t * i_ctx_p)
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{
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os_ptr op = osp;
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const gs_color_space * pcs = gs_currentcolorspace(igs);
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push(1);
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make_bool(op, cs_base_space(pcs) != 0);
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return 0;
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}
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/* ------ Initialization procedure ------ */
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const op_def zcolor2_l2_op_defs[] = {
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op_def_begin_level2(),
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{ "0.usealternate", zusealternate },
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op_def_end(0)
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};
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