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/* Copyright (C) 1996, 1997, 1998, 1999, 2000 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: zfcid.c,v 1.14 2003/06/09 13:58:21 alexcher Exp $ */
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/* CID-keyed font utilities */
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#include "ghost.h"
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#include "oper.h"
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#include "gsmatrix.h"
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#include "gxfcid.h"
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#include "bfont.h"
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#include "icid.h"
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#include "idict.h"
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#include "idparam.h"
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#include "ifcid.h"
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#include "store.h"
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/* Get the CIDSystemInfo of a CIDFont. */
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int
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cid_font_system_info_param(gs_cid_system_info_t *pcidsi, const ref *prfont)
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{
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ref *prcidsi;
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if (dict_find_string(prfont, "CIDSystemInfo", &prcidsi) <= 0)
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return_error(e_rangecheck);
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return cid_system_info_param(pcidsi, prcidsi);
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}
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/* Get the additional information for a CIDFontType 0 or 2 CIDFont. */
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int
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cid_font_data_param(os_ptr op, gs_font_cid_data *pdata, ref *pGlyphDirectory)
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{
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int code;
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ref *pgdir;
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check_type(*op, t_dictionary);
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if ((code = cid_font_system_info_param(&pdata->CIDSystemInfo, op)) < 0 ||
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(code = dict_int_param(op, "CIDCount", 0, max_int, -1,
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&pdata->CIDCount)) < 0
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)
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return code;
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/*
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* If the font doesn't have a GlyphDirectory, GDBytes is required.
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* If it does have a GlyphDirectory, GDBytes may still be needed for
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* CIDMap: it's up to the client to check this.
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*/
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if (dict_find_string(op, "GlyphDirectory", &pgdir) <= 0) {
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/* Standard CIDFont, require GDBytes. */
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make_null(pGlyphDirectory);
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return dict_int_param(op, "GDBytes", 1, MAX_GDBytes, 0,
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&pdata->GDBytes);
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}
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if (r_has_type(pgdir, t_dictionary) || r_is_array(pgdir)) {
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/* GlyphDirectory, GDBytes is optional. */
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*pGlyphDirectory = *pgdir;
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code = dict_int_param(op, "GDBytes", 0, MAX_GDBytes, 0,
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&pdata->GDBytes);
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return code;
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} else {
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return_error(e_typecheck);
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}
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}
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