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/* Copyright (C) 2002 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: gsfont0c.c,v 1.4 2002/09/08 20:29:07 igor Exp $ */
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/* Create a FontType 0 wrapper for a CIDFont. */
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#include "memory_.h"
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#include "gx.h"
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#include "gserrors.h"
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#include "gxfont.h"
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#include "gxfcid.h"
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#include "gxfcmap.h"
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#include "gxfont0.h"
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#include "gxfont0c.h"
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/* ---------------- Private ---------------- */
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/* Create a Type 0 wrapper for a CIDFont/CMap pair. */
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private int
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type0_from_cidfont_cmap(gs_font_type0 **ppfont0, gs_font *font,
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gs_cmap_t *pcmap, int wmode, const gs_matrix *psmat,
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gs_memory_t *mem)
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{
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gs_font_type0 *font0 = (gs_font_type0 *)
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gs_font_alloc(mem, &st_gs_font_type0, &gs_font_procs_default, NULL,
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"gs_type0_from_cidfont(font)");
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/* We allocate Encoding dynamically only for the sake of the GC. */
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uint *encoding = (uint *)
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gs_alloc_bytes(mem, sizeof(uint), "gs_type0_from_cidfont(Encoding)");
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gs_font **fdep =
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gs_alloc_struct_array(mem, 1, gs_font *, &st_gs_font_ptr_element,
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"gs_type0_from_cidfont(FDepVector)");
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int code;
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if (font0 == 0 || encoding == 0 || fdep == 0) {
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gs_free_object(mem, fdep, "gs_type0_from_cidfont(FDepVector)");
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gs_free_object(mem, encoding, "gs_type0_from_cidfont(Encoding)");
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gs_free_object(mem, font0, "gs_type0_from_cidfont(font)");
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return_error(gs_error_VMerror);
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}
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if (psmat)
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font0->FontMatrix = *psmat;
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else
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gs_make_identity(&font0->FontMatrix);
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font0->FontType = ft_composite;
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font0->procs.init_fstack = gs_type0_init_fstack;
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font0->procs.define_font = gs_no_define_font;
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font0->procs.make_font = 0; /* not called */
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font0->procs.next_char_glyph = gs_type0_next_char_glyph;
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font0->key_name = font->key_name;
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font0->font_name = font->font_name;
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font0->data.FMapType = fmap_CMap;
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encoding[0] = 0;
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font0->data.Encoding = encoding;
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font0->data.encoding_size = 1;
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fdep[0] = font;
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font0->data.FDepVector = fdep;
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font0->data.fdep_size = 1;
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font0->data.CMap = pcmap;
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font0->data.SubsVector.data = 0;
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font0->data.SubsVector.size = 0;
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code = gs_definefont(font->dir, (gs_font *)font0);
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if (code < 0)
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return code;
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*ppfont0 = font0;
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return 0;
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}
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/* ---------------- Public entries ---------------- */
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/* Create a Type 0 wrapper for a CIDFont. */
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int
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gs_font_type0_from_cidfont(gs_font_type0 **ppfont0, gs_font *font, int wmode,
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const gs_matrix *psmat, gs_memory_t *mem)
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{
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gs_cmap_t *pcmap;
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int code = gs_cmap_create_identity(&pcmap, 2, wmode, mem);
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if (code < 0)
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return code;
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code = type0_from_cidfont_cmap(ppfont0, font, pcmap, wmode, psmat, mem);
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if (code < 0) {
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gs_free_object(mem, pcmap, "gs_font_type0_from_cidfont(CMap)");
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/****** FREE SUBSTRUCTURES -- HOW? ******/
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}
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return code;
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}
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/*
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* Create a Type 0 font wrapper for a Type 42 font (converted to a Type 2
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* CIDFont), optionally using the TrueType cmap as the CMap.
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* See gs_cmap_from_type42_cmap for details.
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*/
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int
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gs_font_type0_from_type42(gs_font_type0 **ppfont0, gs_font_type42 *pfont42,
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int wmode, bool use_cmap, gs_memory_t *mem)
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{
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gs_font_cid2 *pfcid;
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gs_font_type0 *pfont0;
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int code = gs_font_cid2_from_type42(&pfcid, pfont42, wmode, mem);
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if (code < 0)
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return code;
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if (use_cmap) {
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gs_cmap_t *pcmap;
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code = gs_cmap_from_type42_cmap(&pcmap, pfont42, wmode, mem);
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if (code < 0)
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return code;
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code = type0_from_cidfont_cmap(&pfont0, (gs_font *)pfcid, pcmap,
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wmode, NULL, mem);
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} else {
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code = gs_font_type0_from_cidfont(&pfont0, (gs_font *)pfcid, wmode,
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NULL, mem);
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}
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if (code < 0) {
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gs_free_object(mem, pfcid, "gs_type0_from_type42(CIDFont)");
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/****** FREE SUBSTRUCTURES -- HOW? ******/
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return code;
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}
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*ppfont0 = pfont0;
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return 0;
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}
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