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/* Copyright (C) 1996, 1997, 1998, 1999, 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: icharout.h,v 1.10 2004/09/22 13:52:33 igor Exp $ */
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/* Interface to zcharout.c */
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#ifndef icharout_INCLUDED
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# define icharout_INCLUDED
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/* Execute an outline defined by a PostScript procedure. */
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int zchar_exec_char_proc(i_ctx_t *);
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/*
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* Get the metrics for a character from the Metrics dictionary of a base
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* font. If present, store the l.s.b. in psbw[0,1] and the width in
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* psbw[2,3].
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*/
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typedef enum {
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metricsNone = 0,
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metricsWidthOnly = 1,
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metricsSideBearingAndWidth = 2
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} metrics_present;
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int /*metrics_present*/
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zchar_get_metrics(const gs_font_base * pbfont, const ref * pcnref,
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double psbw[4]);
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/* Get the vertical metrics for a character from Metrics2, if present. */
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int /*metrics_present*/
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zchar_get_metrics2(const gs_font_base * pbfont, const ref * pcnref,
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double pwv[4]);
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/* Get CDevProc. */
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bool zchar_get_CDevProc(const gs_font_base * pbfont, ref **ppcdevproc);
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/*
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* Consult Metrics2 and CDevProc, and call setcachedevice[2]. Return
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* o_push_estack if we had to call a CDevProc, or if we are skipping the
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* rendering process (only getting the metrics).
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*/
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int zchar_set_cache(i_ctx_t *i_ctx_p, const gs_font_base * pbfont,
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const ref * pcnref, const double psb[2],
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const double pwidth[2], const gs_rect * pbbox,
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op_proc_t cont, op_proc_t *exec_cont,
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const double Metrics2_sbw_default[4]);
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/*
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* Get the CharString data corresponding to a glyph. Return typecheck
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* if it isn't a string.
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*/
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int zchar_charstring_data(gs_font *font, const ref *pgref,
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gs_glyph_data_t *pgd);
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/*
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* Enumerate the next glyph from a directory. This is essentially a
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* wrapper around dict_first/dict_next to implement the enumerate_glyph
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* font procedure.
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*/
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int zchar_enumerate_glyph(const gs_memory_t *mem, const ref *prdict, int *pindex, gs_glyph *pglyph);
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#endif /* icharout_INCLUDED */
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