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/* Copyright (C) 2002 artofcode LLC. 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: gswts.h,v 1.2 2002/11/02 07:31:45 raph Exp $ */
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#ifndef gswts_INCLUDED
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# define gswts_INCLUDED
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#ifndef gs_wts_screen_enum_t_DEFINED
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# define gs_wts_screen_enum_t_DEFINED
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typedef struct gs_wts_screen_enum_s gs_wts_screen_enum_t;
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#endif
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typedef struct gx_wts_cell_params_s gx_wts_cell_params_t;
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/* Note: this corresponds roughly to the SP structure in the WTS code. */
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struct gx_wts_cell_params_s {
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wts_screen_type t;
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int width;
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int height;
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double ufast;
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double vfast;
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double uslow;
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double vslow;
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};
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gx_wts_cell_params_t *
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wts_pick_cell_size(gs_screen_halftone *ph, const gs_matrix *pmat);
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gs_wts_screen_enum_t *
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gs_wts_screen_enum_new(gx_wts_cell_params_t *wcp);
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int
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gs_wts_screen_enum_currentpoint(gs_wts_screen_enum_t *wse, gs_point *ppt);
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int
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gs_wts_screen_enum_next(gs_wts_screen_enum_t *wse, floatp value);
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int
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wts_sort_blue(gs_wts_screen_enum_t *wse);
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int
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wts_sort_cell(gs_wts_screen_enum_t *wse);
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wts_screen_t *
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wts_screen_from_enum(const gs_wts_screen_enum_t *wse);
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void
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gs_wts_free_enum(gs_wts_screen_enum_t *wse);
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void
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gs_wts_free_screen(wts_screen_t *wts);
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#endif
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