ifont42.h 2.19 KB
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/* Copyright (C) 2001-2019 Artifex Software, Inc.
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   All Rights Reserved.
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   This software is provided AS-IS with no warranty, either express or
   implied.

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   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.

   Refer to licensing information at http://www.artifex.com or contact
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   Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
   CA 94945, U.S.A., +1(415)492-9861, for further information.
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*/

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/* Procedure for building a Type 42 or CIDFontType 2 font */

#ifndef ifont42_INCLUDED
#  define ifont42_INCLUDED

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#include "iostack.h"
#include "gxfont42.h"
#include "gxftype.h"
#include "gsmemory.h"
#include "bfont.h"

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/* Build a type 11 (TrueType CID-keyed) or 42 (TrueType) font. */
int build_gs_TrueType_font(i_ctx_t *, os_ptr, gs_font_type42 **, font_type,
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                           gs_memory_type_ptr_t, const char *, const char *,
                           build_font_options_t);
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/*
 * Check a parameter for being an array of strings.  Return the parameter
 * value even if it is of the wrong type.
 */
int font_string_array_param(const gs_memory_t *mem, os_ptr, const char *, ref *);

/*
 * Get a GlyphDirectory if present.  Return 0 if present, 1 if absent,
 * or an error code.
 */
int font_GlyphDirectory_param(os_ptr, ref *);

/*
 * Get a glyph outline from GlyphDirectory.  Return an empty string if
 * the glyph is missing or out of range.
 */
int font_gdir_get_outline(const gs_memory_t *mem, const ref *, long, gs_glyph_data_t *);

/*
 * Access a given byte offset and length in an array of strings.
 * This is used for sfnts and for CIDMap.  The int argument is 2 for sfnts
 * (because of the strange behavior of odd-length strings), 1 for CIDMap.
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 * Return code : 0 - success, <0 - error,
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 *               >0 - number of accessible bytes (client must cycle).
 * - mru_index/pos are used as a hint where to start searching; NULLs for no hint.
 */
int string_array_access_proc(const gs_memory_t *mem, const ref *, int, ulong, uint,
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                             uint *mru_index, ulong *mru_pos, const byte **);
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#endif /* ifont42_INCLUDED */