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-rw-r--r--Build/source/texk/dvipdfm-x/pdffont.c1091
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diff --git a/Build/source/texk/dvipdfm-x/pdffont.c b/Build/source/texk/dvipdfm-x/pdffont.c
deleted file mode 100644
index b95d150ba21..00000000000
--- a/Build/source/texk/dvipdfm-x/pdffont.c
+++ /dev/null
@@ -1,1091 +0,0 @@
-/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
-
- Copyright (C) 2002-2021 by Jin-Hwan Cho, Matthias Franz, and Shunsaku Hirata,
- the dvipdfmx project team.
-
- Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-
-#include "system.h"
-#include "error.h"
-#include "mem.h"
-
-#include "dpxconf.h"
-#include "dpxfile.h"
-#include "dpxutil.h"
-
-#include "pdfobj.h"
-
-#include "agl.h"
-#include "pdfencoding.h"
-#include "cmap.h"
-#include "unicode.h"
-
-#include "type1.h"
-#include "type1c.h"
-#include "truetype.h"
-
-#include "pkfont.h"
-
-#include "cidtype0.h"
-#include "type0.h"
-#include "tt_cmap.h"
-
-#include "pdffont.h"
-
-#define MREC_HAS_TOUNICODE(m) ((m) && (m)->opt.tounicode)
-
-void
-pdf_font_set_dpi (int font_dpi)
-{
- PKFont_set_dpi(font_dpi);
-}
-
-void
-pdf_font_make_uniqueTag (char *tag)
-{
- int i;
- char ch;
-
- for (i = 0; i < 6; i++) {
- ch = rand() % 26;
- tag[i] = ch + 'A';
- }
- tag[6] = '\0';
-}
-
-static void
-init_CIDSysInfo (CIDSysInfo *csi) {
- csi->registry = NULL;
- csi->ordering = NULL;
- csi->supplement = 0;
-}
-
-static void
-pdf_init_font_struct (pdf_font *font)
-{
- ASSERT(font);
-
- font->ident = NULL;
- font->filename = NULL;
- font->subtype = -1;
- font->font_id = -1;
- font->fontname = NULL;
- memset(font->uniqueID, 0, 7);
- font->index = 0;
-
- font->encoding_id = -1;
-
- font->reference = NULL;
- font->resource = NULL;
- font->descriptor = NULL;
-
- font->point_size = 0;
- font->design_size = 0;
-
- font->usedchars = NULL;
- font->flags = 0;
-
- font->type0.descendant = -1;
- font->type0.wmode = 0;
-
- init_CIDSysInfo(&font->cid.csi);
- font->cid.need_vmetrics = 0;
- font->cid.usedchars_v = NULL;
- font->cid.options.embed = 0;
- font->cid.options.style = FONT_STYLE_NONE;
- font->cid.options.stemv = 0;
- init_CIDSysInfo(&font->cid.options.csi);
-
- return;
-}
-
-static void
-pdf_flush_font (pdf_font *font)
-{
- char *fontname, *uniqueTag;
-
- if (!font)
- return;
- if ((font->flags & PDF_FONT_FLAG_IS_ALIAS) || (font->flags & PDF_FONT_FLAG_IS_REENCODE)) {
- return;
- }
-
- if (font->resource && font->reference) {
- switch (font->subtype) {
- case PDF_FONT_FONTTYPE_TYPE3:
- case PDF_FONT_FONTTYPE_TYPE0:
- break;
- case PDF_FONT_FONTTYPE_CIDTYPE0:
- case PDF_FONT_FONTTYPE_CIDTYPE2:
- break;
- default:
- if (font->flags & PDF_FONT_FLAG_NOEMBED) {
- pdf_add_dict(font->resource, pdf_new_name("BaseFont"), pdf_new_name(font->fontname));
- if (font->descriptor) {
- pdf_add_dict(font->descriptor, pdf_new_name("FontName"), pdf_new_name(font->fontname));
- }
- } else {
- ASSERT(font->fontname);
- fontname = NEW(7+strlen(font->fontname)+1, char);
- uniqueTag = pdf_font_get_uniqueTag(font);
- sprintf(fontname, "%6s+%s", uniqueTag, font->fontname);
- pdf_add_dict(font->resource, pdf_new_name("BaseFont"), pdf_new_name(fontname));
- if (font->descriptor) {
- pdf_add_dict(font->descriptor, pdf_new_name("FontName"), pdf_new_name(fontname));
- }
- RELEASE(fontname);
- }
- if (font->descriptor) {
- pdf_add_dict(font->resource, pdf_new_name("FontDescriptor"), pdf_ref_obj(font->descriptor));
- }
- }
- }
-
- if (font->resource)
- pdf_release_obj(font->resource);
- if (font->descriptor)
- pdf_release_obj(font->descriptor);
- if (font->reference)
- pdf_release_obj(font->reference);
-
- font->reference = NULL;
- font->resource = NULL;
- font->descriptor = NULL;
-
- return;
-}
-
-static void
-pdf_clean_font_struct (pdf_font *font)
-{
- if (!font)
- return;
-
- if (font->resource)
- WARN("font \"%s\" not properly released?", font->ident);
-
- if (font->ident)
- RELEASE(font->ident);
- if (font->filename)
- RELEASE(font->filename);
- if (font->fontname)
- RELEASE(font->fontname);
- if (font->usedchars) {
- if (!(font->flags & PDF_FONT_FLAG_USEDCHAR_SHARED))
- RELEASE(font->usedchars);
- }
- if (font->cid.csi.registry)
- RELEASE(font->cid.csi.registry);
- if (font->cid.csi.ordering)
- RELEASE(font->cid.csi.ordering);
- if (font->cid.options.csi.registry)
- RELEASE(font->cid.options.csi.registry);
- if (font->cid.options.csi.ordering)
- RELEASE(font->cid.options.csi.ordering);
- if (font->cid.usedchars_v)
- RELEASE(font->cid.usedchars_v);
-
- font->ident = NULL;
- font->filename = NULL;
- font->fontname = NULL;
- font->usedchars = NULL;
- font->cid.csi.registry = NULL;
- font->cid.csi.ordering = NULL;
- font->cid.options.csi.registry = NULL;
- font->cid.options.csi.ordering = NULL;
- font->cid.usedchars_v = NULL;
-
- return;
-}
-
-#define CACHE_ALLOC_SIZE 16u
-
-static struct {
- int count;
- int capacity;
- pdf_font *fonts;
-} font_cache = {
- 0, 0, NULL
-};
-
-void
-pdf_init_fonts (void)
-{
- ASSERT(font_cache.fonts == NULL);
-
- agl_init_map();
-
- CMap_cache_init();
- pdf_init_encodings();
-
- font_cache.count = 0;
- font_cache.capacity = CACHE_ALLOC_SIZE;
- font_cache.fonts = NEW(font_cache.capacity, pdf_font);
-
- {
- time_t current_time;
-
- current_time = dpx_util_get_unique_time_if_given();
- if (current_time == INVALID_EPOCH_VALUE)
- current_time = time(NULL);
- srand(current_time);
- }
-}
-
-#define CHECK_ID(n) do {\
- if ((n) < 0 || (n) >= font_cache.count) {\
- ERROR("Invalid font ID: %d", (n));\
- }\
-} while (0)
-
-static pdf_font *
-GET_FONT (int font_id)
-{
- pdf_font *font = NULL;
-
- if (font_id >= 0 && font_id < font_cache.count) {
- font = &font_cache.fonts[font_id];
- if (font->flags & PDF_FONT_FLAG_IS_ALIAS) {
- font = &font_cache.fonts[font->font_id];
- }
- }
-
- return font;
-}
-
-pdf_font *
-pdf_get_font_data (int font_id)
-{
- CHECK_ID(font_id);
-
- return &font_cache.fonts[font_id];
-}
-
-char *
-pdf_get_font_ident (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = &font_cache.fonts[font_id];
-
- return font->ident;
-}
-
-pdf_obj *
-pdf_get_font_reference (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = GET_FONT(font_id);
- if (font->flags & PDF_FONT_FLAG_IS_REENCODE) {
- font = GET_FONT(font->font_id);
- }
- if (!font->reference) {
- font->reference = pdf_ref_obj(pdf_font_get_resource(font));
- }
- if (font->subtype == PDF_FONT_FONTTYPE_TYPE0) {
- if (!pdf_lookup_dict(font->resource, "DescendantFonts")) {
- pdf_obj *array;
-
- array = pdf_new_array();
- pdf_add_array(array, pdf_get_font_reference(font->type0.descendant));
- pdf_add_dict(font->resource, pdf_new_name("DescendantFonts"), array);
- }
- }
-
- return pdf_link_obj(font->reference);
-}
-
-pdf_obj *
-pdf_get_font_resource (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = GET_FONT(font_id);
- if (font->flags & PDF_FONT_FLAG_IS_REENCODE) {
- font = GET_FONT(font->font_id);
- }
- if (!font->resource)
- font->resource = pdf_new_dict();
-
- return font->resource; /* FIXME */
-}
-
-char *
-pdf_get_font_usedchars (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = GET_FONT(font_id);
- if (font->flags & PDF_FONT_FLAG_IS_REENCODE) {
- font = GET_FONT(font->font_id);
- }
- if (font->subtype != PDF_FONT_FONTTYPE_TYPE0) {
- if (!font->usedchars) {
- font->usedchars = NEW(256, char);
- memset(font->usedchars, 0, 256 * sizeof(char));
- }
- }
-
- return font->usedchars;
-}
-
-int
-pdf_get_font_wmode (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = GET_FONT(font_id);
- if (font->flags & PDF_FONT_FLAG_IS_REENCODE) {
- font = GET_FONT(font->font_id);
- }
- if (font->subtype == PDF_FONT_FONTTYPE_TYPE0) {
- return font->type0.wmode;
- } else {
- return 0;
- }
-}
-
-int
-pdf_get_font_subtype (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = GET_FONT(font_id);
- if (font->flags & PDF_FONT_FLAG_IS_REENCODE) {
- font = GET_FONT(font->font_id);
- }
-
- return font->subtype;
-}
-
-int
-pdf_get_font_encoding (int font_id)
-{
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = GET_FONT(font_id);
-
- return font->encoding_id;
-}
-
-int
-pdf_font_resource_name (int font_id, char *buff)
-{
- int len;
- pdf_font *font;
-
- CHECK_ID(font_id);
-
- font = &font_cache.fonts[font_id];
- if (font->flags & PDF_FONT_FLAG_IS_ALIAS) {
- font_id = font->font_id;
- }
- font = GET_FONT(font_id);
- if (font->flags & PDF_FONT_FLAG_IS_REENCODE) {
- font_id = font->font_id;
- }
- len = sprintf(buff, "F%d", font_id);
-
- return len;
-}
-
-/* The rule for ToUnicode creation is:
- *
- * If "tounicode" option is specified in fontmap, use that.
- * If there is ToUnicode CMap with same name as TFM, use that.
- * If no "tounicode" option is used and no ToUnicode CMap with
- * same name as TFM is found, create ToUnicode CMap from glyph
- * names and AGL file.
- */
-static int
-try_load_ToUnicode_CMap (pdf_font *font)
-{
- pdf_obj *tounicode;
- const char *cmap_name = NULL;
- fontmap_rec *mrec = NULL; /* Be sure fontmap is still alive here */
-
- ASSERT(font);
-
- /* We are using different encoding for Type0 font.
- * This feature is unavailable for them.
- */
- if (font->subtype == PDF_FONT_FONTTYPE_TYPE0)
- return 0;
-
- ASSERT(font->ident);
-
- mrec = pdf_lookup_fontmap_record(font->ident);
- if (MREC_HAS_TOUNICODE(mrec)) {
- cmap_name = mrec->opt.tounicode;
- } else {
- cmap_name = font->ident;
- }
- tounicode = pdf_load_ToUnicode_stream(cmap_name);
-
- if (!tounicode) {
- if (MREC_HAS_TOUNICODE(mrec)) {
- WARN("Failed to read ToUnicode mapping \"%s\"...", mrec->opt.tounicode);
- }
- } else {
- if (pdf_obj_typeof(tounicode) != PDF_STREAM) {
- ERROR("Object returned by pdf_load_ToUnicode_stream() not stream object! (This must be bug)");
- } else if (pdf_stream_length(tounicode) > 0) {
- pdf_obj *fontdict = pdf_font_get_resource(font);
-
- pdf_add_dict(fontdict,
- pdf_new_name("ToUnicode"),
- pdf_ref_obj (tounicode)); /* _FIXME_ */
- if (dpx_conf.verbose_level > 0)
- MESG("pdf_font>> ToUnicode CMap \"%s\" attached to font id=\"%s\".\n",
- cmap_name, font->ident);
- }
- pdf_release_obj(tounicode);
- }
-
- return 0;
-}
-
-void
-pdf_close_fonts (void)
-{
- int font_id;
-
- for (font_id = 0; font_id < font_cache.count; font_id++) {
- pdf_font *font;
-
- font = &font_cache.fonts[font_id];
- if ((font->flags & PDF_FONT_FLAG_IS_ALIAS) ||
- (font->flags & PDF_FONT_FLAG_IS_REENCODE) ||
- !font->reference) {
- continue;
- }
- if (font->subtype == PDF_FONT_FONTTYPE_CIDTYPE0 ||
- font->subtype == PDF_FONT_FONTTYPE_CIDTYPE2) {
- continue;
- }
-
- if (dpx_conf.verbose_level > 0) {
- if (font->subtype != PDF_FONT_FONTTYPE_TYPE0) {
- MESG("(%s", font->filename);
- if (dpx_conf.verbose_level > 2 &&
- !(font->flags & PDF_FONT_FLAG_NOEMBED)) {
- MESG("[%s+%s]", pdf_font_get_uniqueTag(font), font->fontname);
- } else if (dpx_conf.verbose_level > 1) {
- MESG("[%s]", font->fontname);
- }
- if (dpx_conf.verbose_level > 1) {
- if (font->encoding_id >= 0) {
- MESG("[%s]", pdf_encoding_get_name(font->encoding_id));
- } else {
- MESG("[built-in]");
- }
- }
- }
- }
-
- /* Must come before load_xxx */
- try_load_ToUnicode_CMap(font);
-
- switch (font->subtype) {
- case PDF_FONT_FONTTYPE_TYPE1:
- if (dpx_conf.verbose_level > 0)
- MESG("[Type1]");
- if (!(font->flags & PDF_FONT_FLAG_BASEFONT))
- pdf_font_load_type1(font);
- break;
- case PDF_FONT_FONTTYPE_TYPE1C:
- if (dpx_conf.verbose_level > 0)
- MESG("[Type1C]");
- pdf_font_load_type1c(font);
- break;
- case PDF_FONT_FONTTYPE_TRUETYPE:
- if (dpx_conf.verbose_level > 0)
- MESG("[TrueType]");
- pdf_font_load_truetype(font);
- break;
- case PDF_FONT_FONTTYPE_TYPE3:
- if (dpx_conf.verbose_level > 0)
- MESG("[Type3/PK]");
- pdf_font_load_pkfont (font);
- break;
- case PDF_FONT_FONTTYPE_TYPE0:
- if (dpx_conf.verbose_level > 0)
- MESG("[Type0]");
- pdf_font_load_type0(font);
- break;
- }
-
- if (font->encoding_id >= 0) {
- if (font->subtype != PDF_FONT_FONTTYPE_TYPE0) {
- pdf_encoding_add_usedchars(font->encoding_id, font->usedchars);
- }
- }
-
- if (dpx_conf.verbose_level > 0) {
- if (font->subtype != PDF_FONT_FONTTYPE_TYPE0) {
- MESG(")");
- }
- }
- }
-
- pdf_encoding_complete();
- /* Order is important... */
- for (font_id = 0; font_id < font_cache.count; font_id++) {
- pdf_font *font = &font_cache.fonts[font_id];
-
- if ((font->flags & PDF_FONT_FLAG_IS_ALIAS) ||
- (font->flags & PDF_FONT_FLAG_IS_REENCODE) ||
- !font->reference) {
- continue;
- }
-
- switch (font->subtype) {
- case PDF_FONT_FONTTYPE_CIDTYPE0:
- case PDF_FONT_FONTTYPE_CIDTYPE2:
- pdf_font_load_cidfont(font);
- break;
- }
- }
-
- for (font_id = 0; font_id < font_cache.count; font_id++) {
- pdf_font *font;
-
- font = &font_cache.fonts[font_id];
-
- if ((font->flags & PDF_FONT_FLAG_IS_ALIAS) ||
- (font->flags & PDF_FONT_FLAG_IS_REENCODE) ||
- !font->reference) {
- pdf_clean_font_struct(font);
- continue;
- }
-
- if (font->encoding_id >= 0 &&
- font->subtype != PDF_FONT_FONTTYPE_TYPE0 &&
- font->subtype != PDF_FONT_FONTTYPE_CIDTYPE0 &&
- font->subtype != PDF_FONT_FONTTYPE_CIDTYPE2) {
- pdf_obj *enc_obj = pdf_get_encoding_obj(font->encoding_id);
- pdf_obj *tounicode;
-
- /* Predefined encodings (and those simplified to them) are embedded
- * as direct objects, but this is purely a matter of taste.
- */
- if (enc_obj) {
- if (font->subtype == PDF_FONT_FONTTYPE_TRUETYPE) {
- if (pdf_encoding_is_predefined(font->encoding_id) && PDF_OBJ_NAMETYPE(enc_obj)) {
- pdf_add_dict(font->resource,
- pdf_new_name("Encoding"), pdf_link_obj(enc_obj));
- }
- } else {
- pdf_add_dict(font->resource,
- pdf_new_name("Encoding"),
- PDF_OBJ_NAMETYPE(enc_obj) ? pdf_link_obj(enc_obj) : pdf_ref_obj(enc_obj));
- }
- }
- /* For built-in encoding, each font loader create ToUnicode CMap. */
- if (!pdf_lookup_dict(font->resource, "ToUnicode")) {
- tounicode = pdf_encoding_get_tounicode(font->encoding_id);
- if (tounicode) {
- pdf_add_dict(font->resource,
- pdf_new_name("ToUnicode"), pdf_ref_obj(tounicode));
- }
- }
- } else if (font->subtype == PDF_FONT_FONTTYPE_TRUETYPE) {
- /* encoding_id < 0 means MacRoman here (but not really)
- * We use MacRoman as "default" encoding. */
- pdf_add_dict(font->resource,
- pdf_new_name("Encoding"),
- pdf_new_name("MacRomanEncoding"));
- }
- pdf_flush_font(font);
- pdf_clean_font_struct(font);
- }
-
- RELEASE(font_cache.fonts);
- font_cache.fonts = NULL;
- font_cache.count = 0;
- font_cache.capacity = 0;
-
- CMap_cache_close();
- pdf_close_encodings();
-
- agl_close_map (); /* After encoding */
-
- return;
-}
-
-int
-pdf_font_findresource (const char *ident, double scale)
-{
- int font_id, found = 0;
-
- for (font_id = 0; font_id < font_cache.count; font_id++) {
- pdf_font *font;
-
- font = &font_cache.fonts[font_id];
- switch (font->subtype) {
- case PDF_FONT_FONTTYPE_TYPE1:
- case PDF_FONT_FONTTYPE_TYPE1C:
- case PDF_FONT_FONTTYPE_TRUETYPE:
- case PDF_FONT_FONTTYPE_TYPE0:
- if (!strcmp(ident, font->ident)) {
- found = 1;
- }
- break;
- case PDF_FONT_FONTTYPE_TYPE3:
- /* There shouldn't be any encoding specified for PK font.
- * It must be always font's build-in encoding.
- *
- * TODO: a PK font with two encodings makes no sense. Change?
- */
- if (!strcmp(ident, font->ident) && scale == font->point_size) {
- found = 1;
- }
- break;
- }
-
- if (found) {
- if (dpx_conf.verbose_level > 0) {
- MESG("\npdf_font>> Font \"%s\" (enc_id=%d) found at id=%d.\n", font->ident, font->encoding_id, font_id);
- }
- break;
- }
- }
-
- return found ? font_id : -1;
-}
-
-static int
-create_font_alias (const char *ident, int font_id)
-{
- int this_id;
- pdf_font *font, *src;
-
- if (font_id < 0 || font_id >= font_cache.count)
- return -1;
-
- src = &font_cache.fonts[font_id];
-
- this_id = font_cache.count;
- if (font_cache.count >= font_cache.capacity) {
- font_cache.capacity += CACHE_ALLOC_SIZE;
- font_cache.fonts = RENEW(font_cache.fonts, font_cache.capacity, pdf_font);
- }
- font = &font_cache.fonts[this_id];
- pdf_init_font_struct(font);
-
- font->ident = NEW(strlen(ident) + 1, char);
- strcpy(font->ident, ident);
- font->font_id = font_id;
- font->subtype = src->subtype;
- font->encoding_id = src->encoding_id;
-
- font->flags |= PDF_FONT_FLAG_IS_ALIAS;
-
- font_cache.count++;
-
- return this_id;
-}
-
-static int
-create_font_reencoded (const char *ident, int font_id, int cmap_id)
-{
- int this_id;
- pdf_font *font;
-
- if (font_cache.count + 1 >= font_cache.capacity) {
- font_cache.capacity += CACHE_ALLOC_SIZE;
- font_cache.fonts = RENEW(font_cache.fonts, font_cache.capacity, pdf_font);
- }
-
- this_id = font_cache.count;
- font = &font_cache.fonts[this_id];
- pdf_init_font_struct(font);
- font->ident = NEW(strlen(ident) + 1, char);
- strcpy(font->ident, ident);
- font->font_id = font_id;
- font->subtype = PDF_FONT_FONTTYPE_TYPE0;
- font->encoding_id = cmap_id;
- font->flags |= PDF_FONT_FLAG_IS_REENCODE;
- font->flags |= PDF_FONT_FLAG_USEDCHAR_SHARED;
- font_cache.count++;
-
- return this_id;
-}
-
-int
-pdf_font_load_font (const char *ident, double font_scale, const fontmap_rec *mrec)
-{
- int font_id = -1;
- pdf_font *font;
- int encoding_id = -1, cmap_id = -1;
- const char *fontname;
-
- /*
- * Get appropriate info from map file. (PK fonts at two different
- * point sizes would be looked up twice unecessarily.)
- */
- fontname = mrec ? mrec->font_name : ident;
- /* XeTeX specific...
- * First try loading GID-to-CID mapping from CFF CID-keyed OpenType font.
- * There was a serious bug in xdv support... It was implemented with the wrong
- * assumption that CID always equals to GID.
- * TODO: There is a possibility that GID-to-CID mapping is not one-to-one.
- * Use internal glyph ordering rather than map GID to CIDs.
- */
- if (mrec && mrec->opt.use_glyph_encoding) {
- int wmode = 0;
- /* Should be always Identity-H or Identity-V for XeTeX output. */
- if (mrec->enc_name) {
- if (!strcmp(mrec->enc_name, "Identity-V"))
- wmode = 1;
- else if (!strcmp(mrec->enc_name, "Identity-H"))
- wmode = 0;
- else {
- WARN("Unexpected encoding specified for xdv: %s", mrec->enc_name);
- }
- /* cmap_id < 0 is returned if ...
- * Font is not a CFF font
- * GID to CID mapping is identity mapping
- *
- * TODO: fontmap record still has Identity CMap assigned but actually different CMap
- * can be attached to the font here. Should we fix mrec->enc_name here?
- */
- cmap_id = otf_try_load_GID_to_CID_map(mrec->font_name, mrec->opt.index, wmode);
- }
- }
-
- if (cmap_id < 0 && mrec && mrec->enc_name) {
- if (!strcmp(mrec->enc_name, "unicode")) {
- cmap_id = otf_load_Unicode_CMap(mrec->font_name,
- mrec->opt.index, mrec->opt.otl_tags,
- ((mrec->opt.flags & FONTMAP_OPT_VERT) ? 1 : 0));
- if (cmap_id < 0) {
- cmap_id = t1_load_UnicodeCMap(mrec->font_name, mrec->opt.otl_tags,
- ((mrec->opt.flags & FONTMAP_OPT_VERT) ? 1 : 0));
- }
- } else if (!strstr(mrec->enc_name, ".enc") || strstr(mrec->enc_name, ".cmap")) {
- cmap_id = CMap_cache_find(mrec->enc_name);
- }
- if (cmap_id < 0) {
- encoding_id = pdf_encoding_findresource(mrec->enc_name);
- }
- }
-
- if (mrec && mrec->enc_name) {
- if (cmap_id < 0 && encoding_id < 0) {
- WARN("Could not read encoding file: %s", mrec->enc_name);
- return -1;
- }
- }
-
- if (mrec && cmap_id >= 0) {
- /* Composite font */
- CMap *cmap;
- CIDSysInfo *csi;
- int wmode, cid_id;
-
- cmap = CMap_cache_get(cmap_id);
- csi = CMap_is_Identity(cmap) ? NULL : CMap_get_CIDSysInfo(cmap);
- wmode = CMap_get_wmode(cmap);
-
- cid_id = pdf_font_cidfont_lookup_cache(font_cache.fonts, font_cache.count, mrec->font_name, csi, &mrec->opt);
- if (cid_id >= 0) {
- for (font_id = 0; font_id < font_cache.count; font_id++) {
- font = &font_cache.fonts[font_id];
- if (font->subtype != PDF_FONT_FONTTYPE_TYPE0)
- continue;
- if (font->type0.wmode == wmode && font->type0.descendant == cid_id) {
- break;
- }
- }
- if (font_id >= 0 && font_id < font_cache.count) {
- font = &font_cache.fonts[font_id];
- if (font->encoding_id == cmap_id) {
- if (dpx_conf.verbose_level > 0) {
- MESG("\npdf_font>> Type0 font \"%s\" cmap_id=<%s,%d> found at font_id=<%s,%d>.\n",
- mrec->font_name, mrec->enc_name, cmap_id, pdf_get_font_ident(font_id), font_id);
- }
- if (!strcmp(ident, font->ident)) {
- return font_id;
- } else {
- return create_font_alias(ident, font_id);
- }
- } else {
- if (dpx_conf.verbose_level > 0) {
- MESG("\npdf_font>> Type0 font \"%s\" cmap_id=<%s,%d> found at font_id=<%s,%d>. (re-encoded)\n",
- mrec->font_name, mrec->enc_name, cmap_id, pdf_get_font_ident(font_id), font_id);
- }
- return create_font_reencoded(ident, font_id, cmap_id);
- }
- }
- }
-
- /* plus one for CIDFont */
- if (font_cache.count + 1 >= font_cache.capacity) {
- font_cache.capacity += CACHE_ALLOC_SIZE;
- font_cache.fonts = RENEW(font_cache.fonts, font_cache.capacity, pdf_font);
- }
-
- if (cid_id < 0) {
- pdf_font *cidfont;
-
- cid_id = font_cache.count;
- cidfont = &font_cache.fonts[cid_id];
- pdf_init_font_struct(cidfont);
- if (pdf_font_open_cidfont(cidfont, fontname, csi, &mrec->opt) < 0) {
- pdf_clean_font_struct(cidfont);
- return -1;
- }
- font_cache.count++;
- }
- font_id = font_cache.count;
- font = &font_cache.fonts[font_id];
- pdf_init_font_struct(font);
- if (pdf_font_open_type0(font, cid_id, wmode) < 0) {
- pdf_clean_font_struct(font);
- return -1;
- }
- font->ident = NEW(strlen(ident) + 1, char);
- strcpy(font->ident, ident);
- font->subtype = PDF_FONT_FONTTYPE_TYPE0;
- font->encoding_id = cmap_id;
-
- font_cache.count++;
-
- if (dpx_conf.verbose_level > 0) {
- MESG("\n");
- MESG("pdf_font>> Type0 font \"%s\" ", fontname);
- MESG("cmap_id=<%s,%d> ", mrec->enc_name, font->encoding_id);
- MESG("font_id=<%s,%d>.", ident, font_id);
- MESG("\n");
- }
- } else {
- /* Simple Font - always embed. */
- for (font_id = 0; font_id < font_cache.count; font_id++) {
- font = &font_cache.fonts[font_id];
- if (font->flags & PDF_FONT_FLAG_IS_ALIAS)
- continue;
- switch (font->subtype) {
- case PDF_FONT_FONTTYPE_TYPE1:
- case PDF_FONT_FONTTYPE_TYPE1C:
- case PDF_FONT_FONTTYPE_TRUETYPE:
- /* fontname here is font file name.
- * We must compare both font file name and encoding
- *
- * TODO: Embed a font only once if it is used
- * with two different encodings
- */
- if (!strcmp(fontname, font->filename) && encoding_id == font->encoding_id &&
- (!mrec || mrec->opt.index == font->index)) {
- if (dpx_conf.verbose_level > 0) {
- MESG("\npdf_font>> Simple font \"%s\" (enc_id=%d) found at id=%d.\n", fontname, encoding_id, font_id);
- }
- if (!strcmp(ident, font->ident)) {
- return font_id;
- } else {
- return create_font_alias(ident, font_id);
- }
- }
- break;
- case PDF_FONT_FONTTYPE_TYPE3:
- /* There shouldn't be any encoding specified for PK font.
- * It must be always font's build-in encoding.
- *
- * TODO: a PK font with two encodings makes no sense. Change?
- */
- if (!strcmp(fontname, font->filename) && font_scale == font->point_size) {
- if (dpx_conf.verbose_level > 0) {
- MESG("\npdf_font>> Simple font \"%s\" (enc_id=%d) found at id=%d.\n", fontname, encoding_id, font_id);
- }
- if (!strcmp(ident, font->ident)) {
- return font_id;
- } else {
- return create_font_alias(ident, font_id);
- }
- }
- break;
- }
- }
-
- font_id = font_cache.count;
- if (font_cache.count >= font_cache.capacity) {
- font_cache.capacity += CACHE_ALLOC_SIZE;
- font_cache.fonts = RENEW(font_cache.fonts, font_cache.capacity, pdf_font);
- }
-
- font = &font_cache.fonts[font_id];
- pdf_init_font_struct(font);
-
- font->ident = NEW(strlen(ident) + 1, char);
- strcpy(font->ident, ident);
- font->encoding_id = encoding_id;
- font->filename = NEW(strlen(fontname) + 1, char);
- font->point_size = font_scale;
- strcpy(font->filename, fontname);
- font->index = (mrec && mrec->opt.index) ? mrec->opt.index : 0;
- font->flags |= (mrec && (mrec->opt.flags & FONTMAP_OPT_NOEMBED)) ? PDF_FONT_FLAG_NOEMBED : 0;
- if (pdf_font_open_type1(font, font->filename, font->index, font->encoding_id, (font->flags & PDF_FONT_FLAG_NOEMBED) ? 0 : 1) >= 0) {
- font->subtype = PDF_FONT_FONTTYPE_TYPE1;
- } else if (pdf_font_open_type1c(font, font->filename, font->index, font->encoding_id, (font->flags & PDF_FONT_FLAG_NOEMBED) ? 0 : 1) >= 0) {
- font->subtype = PDF_FONT_FONTTYPE_TYPE1C;
- } else if (pdf_font_open_truetype(font, font->filename, font->index, font->encoding_id, (font->flags & PDF_FONT_FLAG_NOEMBED) ? 0 : 1) >= 0) {
- font->subtype = PDF_FONT_FONTTYPE_TRUETYPE;
- } else if (pdf_font_open_pkfont(font, font->filename, font->index, font->encoding_id, (font->flags & PDF_FONT_FLAG_NOEMBED) ? 0 : 1, font->point_size) >= 0) {
- font->subtype = PDF_FONT_FONTTYPE_TYPE3;
- } else {
- pdf_clean_font_struct(font);
- return -1;
- }
-
- font_cache.count++;
-
- if (dpx_conf.verbose_level > 0) {
- MESG("\n");
- MESG("pdf_font>> Simple font \"%s\" ", fontname);
- MESG("enc_id=<%s,%d> ", (mrec && mrec->enc_name) ? mrec->enc_name : "builtin", font->encoding_id);
- MESG("font_id=<%s,%d>.", ident, font_id);
- MESG("\n");
- }
- }
-
- return font_id;
-}
-
-pdf_obj *
-pdf_font_get_resource (pdf_font *font)
-{
- ASSERT(font);
-
- if (!font->resource) {
- font->resource = pdf_new_dict();
- pdf_add_dict(font->resource, pdf_new_name("Type"), pdf_new_name("Font"));
- switch (font->subtype) {
- case PDF_FONT_FONTTYPE_TYPE1:
- case PDF_FONT_FONTTYPE_TYPE1C:
- pdf_add_dict(font->resource, pdf_new_name("Subtype"), pdf_new_name("Type1"));
- break;
- case PDF_FONT_FONTTYPE_TYPE3:
- pdf_add_dict(font->resource, pdf_new_name("Subtype"), pdf_new_name("Type3"));
- break;
- case PDF_FONT_FONTTYPE_TRUETYPE:
- pdf_add_dict(font->resource, pdf_new_name("Subtype"), pdf_new_name("TrueType"));
- break;
- default:
- break;
- }
- }
-
- return font->resource;
-}
-
-pdf_obj *
-pdf_font_get_descriptor (pdf_font *font)
-{
- ASSERT(font);
-
- if (font->subtype == PDF_FONT_FONTTYPE_TYPE0) {
- return NULL;
- } else if (!font->descriptor) {
- font->descriptor = pdf_new_dict();
- pdf_add_dict(font->descriptor, pdf_new_name("Type"), pdf_new_name("FontDescriptor"));
- }
-
- return font->descriptor;
-}
-
-char *
-pdf_font_get_uniqueTag (pdf_font *font)
-{
- ASSERT(font);
-
- if (font->uniqueID[0] == '\0') {
- pdf_font_make_uniqueTag(font->uniqueID);
- }
-
- return font->uniqueID;
-}
-
-/*
- * Please don’t use TFM widths for the /Widths
- * entry of the font dictionary.
- *
- * PDF 32000-1:2008 (p.255)
- *
- * These widths shall be consistent with the
- * actual widths given in the font program.
- */
-
-#include "tfm.h"
-
-int
-pdf_check_tfm_widths (const char *ident, double *widths, int firstchar, int lastchar, const char *usedchars)
-{
- int error = 0;
- int tfm_id, code, count = 0;
- double sum = 0.0;
- double tolerance = 1.0;
- int override = 0; /* Don't set to 1! */
-
- tfm_id = tfm_open(ident, 0);
- if (tfm_id < 0)
- return 0;
- for (code = firstchar; code <= lastchar; code++) {
- if (usedchars[code]) {
- double width, diff;
-
- width = 1000. * tfm_get_width(tfm_id, code);
- diff = widths[code] - width;
- diff = diff < 0 ? -diff : diff;
- if (override) {
- widths[code] = width;
- } else if (diff > tolerance) {
- if (dpx_conf.verbose_level > 0) {
- WARN("Intolerable difference in glyph width: font=%s, char=%d", ident, code);
- WARN("font: %g vs. tfm: %g", widths[code], width);
- }
- sum += diff;
- }
- count++;
- }
- }
-
- error = sum > 0.5 * count * tolerance ? -1 : 0;
-
- return override ? 0 : error;
-}