diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2013-06-24 09:51:24 +0000 |
---|---|---|
committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2013-06-24 09:51:24 +0000 |
commit | 4ce8c30e7e371dbecdfd21ac4f7fac2361aab384 (patch) | |
tree | f5c7f07d472660d1658ece66b418a8c6538c5537 /Build/source/texk/xdvipdfmx/src/tt_cmap.c | |
parent | e82a4ec6e8f06840867512112128041581c022e7 (diff) |
Merged dvipdfmx + xdvipdfmx => dvipdfm-x
git-svn-id: svn://tug.org/texlive/trunk@30894 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/xdvipdfmx/src/tt_cmap.c')
-rw-r--r-- | Build/source/texk/xdvipdfmx/src/tt_cmap.c | 1940 |
1 files changed, 0 insertions, 1940 deletions
diff --git a/Build/source/texk/xdvipdfmx/src/tt_cmap.c b/Build/source/texk/xdvipdfmx/src/tt_cmap.c deleted file mode 100644 index ac8610485fd..00000000000 --- a/Build/source/texk/xdvipdfmx/src/tt_cmap.c +++ /dev/null @@ -1,1940 +0,0 @@ -/* - - This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. - - Copyright (C) 2007-2012 by Jin-Hwan Cho and Shunsaku Hirata, - the dvipdfmx project team. - - 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. -*/ - -/* - * A large part of codes are brought from ttfdump-0.5.5. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "system.h" -#include "mem.h" -#include "error.h" - -#include "sfnt.h" - - -/* Sorry for placing this here. - * We need to rewrite TrueType font support code... - */ -#include "cmap.h" -#include "cmap_write.h" - -#include "tt_aux.h" -#include "tt_gsub.h" - -#include "unicode.h" -#include "agl.h" -#include "pdfparse.h" -#include "pdfresource.h" -#include "otl_conf.h" - -#include "dpxfile.h" - -/* Hash */ -#include "dpxutil.h" - -#include "tt_cmap.h" - -#define VERBOSE_LEVEL_MIN 0 -static int verbose = 0; -void -otf_cmap_set_verbose (void) -{ - otl_gsub_set_verbose(); - verbose++; -} - -/* format 0: byte encoding table */ -struct cmap0 -{ - BYTE glyphIndexArray[256]; -}; - -static struct cmap0 * -read_cmap0 (sfnt *sfont, ULONG len) -{ - struct cmap0 *map; - int i; - - if (len < 256) - ERROR("invalid cmap subtable"); - - map = NEW(1, struct cmap0); - - for (i = 0; i < 256; i++) - map->glyphIndexArray[i] = sfnt_get_byte(sfont); - - return map; -} - -static void -release_cmap0(struct cmap0 *map) -{ - if (map) - RELEASE(map); -} - -static USHORT -lookup_cmap0 (struct cmap0 *map, USHORT cc) -{ - return ((cc > 255) ? 0 : map->glyphIndexArray[cc]); -} - -/* format 2: high-byte mapping through table */ -struct SubHeader -{ - USHORT firstCode; - USHORT entryCount; - SHORT idDelta; - USHORT idRangeOffset; -}; - -struct cmap2 -{ - USHORT subHeaderKeys[256]; - struct SubHeader *subHeaders; - USHORT *glyphIndexArray; -}; - -static struct cmap2 * -read_cmap2 (sfnt *sfont, ULONG len) -{ - struct cmap2 *map; - USHORT i, n; - - if (len < 512) - ERROR("invalid cmap subtable"); - - map = NEW(1, struct cmap2); - - for (i = 0; i < 256; i++) - map->subHeaderKeys[i] = sfnt_get_ushort(sfont); - - for (n = 0, i = 0; i < 256; i++) { - map->subHeaderKeys[i] /= 8; - if (n < map->subHeaderKeys[i]) - n = map->subHeaderKeys[i]; - } - n += 1; /* the number of subHeaders is one plus the max of subHeaderKeys */ - - map->subHeaders = NEW(n, struct SubHeader); - for (i = 0; i < n; i++) { - map->subHeaders[i].firstCode = sfnt_get_ushort(sfont); - map->subHeaders[i].entryCount = sfnt_get_ushort(sfont); - map->subHeaders[i].idDelta = sfnt_get_short(sfont); - map->subHeaders[i].idRangeOffset = sfnt_get_ushort(sfont); - - /* It makes things easier to let the offset starts from - * the beginning of glyphIndexArray. - */ - if (map->subHeaders[i].idRangeOffset != 0) - map->subHeaders[i].idRangeOffset -= (2 + (n - i - 1) * 8); - } - - /* Caculate the length of glyphIndexArray, this is ugly, - * there should be a better way to get this information. - */ - n = (USHORT) (len - 518 - n * 8) / 2; - - map->glyphIndexArray = NEW(n, USHORT); - for (i = 0; i < n; i++) - map->glyphIndexArray[i] = sfnt_get_ushort(sfont); - - return map; -} - -static void -release_cmap2 (struct cmap2 *map) -{ - if (map) { - if (map->subHeaders) - RELEASE(map->subHeaders); - if (map->glyphIndexArray) - RELEASE(map->glyphIndexArray); - RELEASE(map); - } -} - -static USHORT -lookup_cmap2 (struct cmap2 *map, USHORT cc) -{ - USHORT idx = 0; - SHORT idDelta; - USHORT firstCode, entryCount, idRangeOffset; - int hi, lo; - USHORT i; - - hi = (cc >> 8) & 0xff; - lo = cc & 0xff; - - /* select which subHeader to use */ - i = map->subHeaderKeys[hi]; - - firstCode = map->subHeaders[i].firstCode; - entryCount = map->subHeaders[i].entryCount; - idDelta = map->subHeaders[i].idDelta; - idRangeOffset = map->subHeaders[i].idRangeOffset / 2; - - if (lo >= firstCode && - lo < firstCode + entryCount) { - idRangeOffset += lo - firstCode; - idx = map->glyphIndexArray[idRangeOffset]; - if (idx != 0) - idx = (idx + idDelta) & 0xffff; - } - - return idx; -} - -/* - * format 4: segment mapping to delta values - * - Microsoft standard character to glyph index mapping table - */ -struct cmap4 -{ - USHORT segCountX2; - USHORT searchRange; - USHORT entrySelector; - USHORT rangeShift; - USHORT *endCount; - USHORT reservedPad; - USHORT *startCount; - USHORT *idDelta; - USHORT *idRangeOffset; - USHORT *glyphIndexArray; -}; - -static struct cmap4 * -read_cmap4(sfnt *sfont, ULONG len) -{ - struct cmap4 *map; - USHORT i, n, segCount; - - if (len < 8) - ERROR("invalid cmap subtable"); - - map = NEW(1, struct cmap4); - - map->segCountX2 = segCount = sfnt_get_ushort(sfont); - map->searchRange = sfnt_get_ushort(sfont); - map->entrySelector = sfnt_get_ushort(sfont); - map->rangeShift = sfnt_get_ushort(sfont); - - segCount /= 2; - - map->endCount = NEW(segCount, USHORT); - for (i = 0; i < segCount; i++) - map->endCount[i] = sfnt_get_ushort(sfont); - - map->reservedPad = sfnt_get_ushort(sfont); - - map->startCount = NEW(segCount, USHORT); - for (i = 0; i < segCount; i++) - map->startCount[i] = sfnt_get_ushort(sfont); - - map->idDelta = NEW(segCount, USHORT); - for (i = 0; i < segCount; i++) - map->idDelta[i] = sfnt_get_ushort(sfont); - - map->idRangeOffset = NEW(segCount, USHORT); - for (i = 0; i < segCount; i++) - map->idRangeOffset[i] = sfnt_get_ushort(sfont); - - n = (len - 16 - 8 * segCount) / 2; - if (n == 0) - map->glyphIndexArray = NULL; - else { - map->glyphIndexArray = NEW(n, USHORT); - for (i = 0; i < n; i++) - map->glyphIndexArray[i] = sfnt_get_ushort(sfont); - } - - return map; -} - -static void -release_cmap4 (struct cmap4 *map) -{ - if (map) { - if (map->endCount) RELEASE(map->endCount); - if (map->startCount) RELEASE(map->startCount); - if (map->idDelta) RELEASE(map->idDelta); - if (map->idRangeOffset) RELEASE(map->idRangeOffset); - if (map->glyphIndexArray) RELEASE(map->glyphIndexArray); - RELEASE(map); - } -} - -static USHORT -lookup_cmap4 (struct cmap4 *map, USHORT cc) -{ - USHORT gid = 0; - USHORT i, j, segCount; - - /* - * Segments are sorted in order of increasing endCode values. - * Last segment maps 0xffff to gid 0 (?) - */ - i = segCount = map->segCountX2 / 2; - while (i-- > 0 && cc <= map->endCount[i]) { - if (cc >= map->startCount[i]) { - if (map->idRangeOffset[i] == 0) { - gid = (cc + map->idDelta[i]) & 0xffff; - } else if (cc == 0xffff && map->idRangeOffset[i] == 0xffff) { - /* this is for protection against some old broken fonts... */ - gid = 0; - } else { - j = map->idRangeOffset[i] - (segCount - i) * 2; - j = (cc - map->startCount[i]) + (j / 2); - gid = map->glyphIndexArray[j]; - if (gid != 0) - gid = (gid + map->idDelta[i]) & 0xffff; - } - break; - } - } - - return gid; -} - -/* format 6: trimmed table mapping */ -struct cmap6 -{ - USHORT firstCode; - USHORT entryCount; - USHORT *glyphIndexArray; -}; - -static struct cmap6 * -read_cmap6 (sfnt *sfont, ULONG len) -{ - struct cmap6 *map; - USHORT i; - - if (len < 4) - ERROR("invalid cmap subtable"); - - map = NEW(1, struct cmap6); - map->firstCode = sfnt_get_ushort(sfont); - map->entryCount = sfnt_get_ushort(sfont); - map->glyphIndexArray = NEW(map->entryCount, USHORT); - - for (i = 0; i < map->entryCount; i++) - map->glyphIndexArray[i] = sfnt_get_ushort(sfont); - - return map; -} - -static void -release_cmap6 (struct cmap6 *map) -{ - if (map) { - if (map->glyphIndexArray) - RELEASE(map->glyphIndexArray); - RELEASE(map); - } -} - -static USHORT -lookup_cmap6 (struct cmap6 *map, USHORT cc) -{ - USHORT idx; - - idx = cc - map->firstCode; - if (idx < map->entryCount) - return map->glyphIndexArray[idx]; - else - return 0; - - return 0; -} - -/* Format 8 and 10 not supported... - * - * format 8: mixed 16-bit and 32-bit coverage - * format 10: trimmed array - */ - -/* - * format 12: segmented coverage - * - * startGlyphID is 32-bit long, however, GlyphID is still 16-bit long ! - */ - -struct charGroup -{ - ULONG startCharCode; - ULONG endCharCode; - ULONG startGlyphID; -}; - -struct cmap12 -{ - ULONG nGroups; - struct charGroup *groups; -}; - -/* ULONG length */ -static struct cmap12 * -read_cmap12 (sfnt *sfont, ULONG len) -{ - struct cmap12 *map; - ULONG i; - - if (len < 4) - ERROR("invalid cmap subtable"); - - map = NEW(1, struct cmap12); - map->nGroups = sfnt_get_ulong(sfont); - map->groups = NEW(map->nGroups, struct charGroup); - - for (i = 0; i < map->nGroups; i++) { - map->groups[i].startCharCode = sfnt_get_ulong(sfont); - map->groups[i].endCharCode = sfnt_get_ulong(sfont); - map->groups[i].startGlyphID = sfnt_get_ulong(sfont); - } - - return map; -} - -static void -release_cmap12 (struct cmap12 *map) -{ - if (map) { - if (map->groups) - RELEASE(map->groups); - RELEASE(map); - } -} - -static USHORT -lookup_cmap12 (struct cmap12 *map, ULONG cccc) -{ - USHORT gid = 0; - ULONG i; - - i = map->nGroups; - while (i-- >= 0 && - cccc <= map->groups[i].endCharCode) { - if (cccc >= map->groups[i].startCharCode) { - gid = (USHORT) ((cccc - - map->groups[i].startCharCode + - map->groups[i].startGlyphID) & 0xffff); - break; - } - } - - return gid; -} - -/* read cmap */ -tt_cmap * -tt_cmap_read (sfnt *sfont, USHORT platform, USHORT encoding) -{ - tt_cmap *cmap = NULL; - ULONG offset, length = 0; - USHORT p_id, e_id; - USHORT i, n_subtabs; - - ASSERT(sfont); - - offset = sfnt_locate_table(sfont, "cmap"); - (void) sfnt_get_ushort(sfont); - n_subtabs = sfnt_get_ushort(sfont); - - for (i = 0; i < n_subtabs; i++) { - p_id = sfnt_get_ushort(sfont); - e_id = sfnt_get_ushort(sfont); - if (p_id != platform || e_id != encoding) - sfnt_get_ulong(sfont); - else { - offset += sfnt_get_ulong(sfont); - break; - } - } - - if (i == n_subtabs) - return NULL; - - cmap = NEW(1, tt_cmap); - cmap->map = NULL; - cmap->platform = platform; - cmap->encoding = encoding; - - sfnt_seek_set(sfont, offset); - cmap->format = sfnt_get_ushort(sfont); - /* Length and version (language) is ULONG for - * format 8, 10, 12 ! - */ - if (cmap->format <= 6) { - length = sfnt_get_ushort(sfont); - cmap->language = sfnt_get_ushort(sfont); /* language (Mac) */ - } else { - if (sfnt_get_ushort(sfont) != 0) { /* reverved - 0 */ - WARN("Unrecognized cmap subtable format."); - tt_cmap_release(cmap); - return NULL; - } else { - length = sfnt_get_ulong(sfont); - cmap->language = sfnt_get_ulong(sfont); - } - } - - switch(cmap->format) { - case 0: - cmap->map = read_cmap0(sfont, length); - break; - case 2: - cmap->map = read_cmap2(sfont, length); - break; - case 4: - cmap->map = read_cmap4(sfont, length); - break; - case 6: - cmap->map = read_cmap6(sfont, length); - break; - case 12: - /*WARN("UCS-4 TrueType cmap table...");*/ - cmap->map = read_cmap12(sfont, length); - break; - default: - WARN("Unrecognized OpenType/TrueType cmap format."); - tt_cmap_release(cmap); - return NULL; - } - - if (!cmap->map) { - tt_cmap_release(cmap); - cmap = NULL; - } - - return cmap; -} - -void -tt_cmap_release (tt_cmap *cmap) -{ - - if (cmap) { - if (cmap->map) { - switch(cmap->format) { - case 0: - release_cmap0(cmap->map); - break; - case 2: - release_cmap2(cmap->map); - break; - case 4: - release_cmap4(cmap->map); - break; - case 6: - release_cmap6(cmap->map); - break; - case 12: - release_cmap12(cmap->map); - break; - default: - ERROR("Unrecognized OpenType/TrueType cmap format."); - } - } - RELEASE(cmap); - } - - return; -} - - -USHORT -tt_cmap_lookup (tt_cmap *cmap, long cc) -{ - USHORT gid = 0; - - ASSERT(cmap); - - if (cc > 0xffffL && cmap->format < 12) { - WARN("Four bytes charcode not supported in OpenType/TrueType cmap format 0...6."); - return 0; - } - - switch (cmap->format) { - case 0: - gid = lookup_cmap0(cmap->map, (USHORT) cc); - break; - case 2: - gid = lookup_cmap2(cmap->map, (USHORT) cc); - break; - case 4: - gid = lookup_cmap4(cmap->map, (USHORT) cc); - break; - case 6: - gid = lookup_cmap6(cmap->map, (USHORT) cc); - break; - case 12: - gid = lookup_cmap12(cmap->map, (ULONG) cc); - break; - default: - ERROR("Unrecognized OpenType/TrueType cmap subtable format"); - break; - } - - return gid; -} - -/* Sorry for placing this here. - * We need to rewrite TrueType font support code... - */ - -#define WBUF_SIZE 1024 -static unsigned char wbuf[WBUF_SIZE]; - -static unsigned char srange_min[2] = {0x00, 0x00}; -static unsigned char srange_max[2] = {0xff, 0xff}; -static unsigned char lrange_min[4] = {0x00, 0x00, 0x00, 0x00}; -static unsigned char lrange_max[4] = {0x7f, 0xff, 0xff, 0xff}; - -static void -load_cmap4 (struct cmap4 *map, - unsigned char *GIDToCIDMap, CMap *cmap) -{ - USHORT c0, c1, gid, cid; - USHORT j, d, segCount; - USHORT ch; - long i; - - segCount = map->segCountX2 / 2; - for (i = segCount - 1; i >= 0 ; i--) { - c0 = map->startCount[i]; - c1 = map->endCount[i]; - d = map->idRangeOffset[i] / 2 - (segCount - i); - for (j = 0; j <= c1 - c0; j++) { - ch = c0 + j; - if (map->idRangeOffset[i] == 0) { - gid = (ch + map->idDelta[i]) & 0xffff; - } else if (c0 == 0xffff && c1 == 0xffff && map->idRangeOffset[i] == 0xffff) { - /* this is for protection against some old broken fonts... */ - gid = 0; - } else { - gid = (map->glyphIndexArray[j+d] + - map->idDelta[i]) & 0xffff; - } - if (gid != 0 && gid != 0xffff) { - if (GIDToCIDMap) { - cid = ((GIDToCIDMap[2*gid] << 8)|GIDToCIDMap[2*gid+1]); - if (cid == 0) - WARN("GID %u does not have corresponding CID %u.", - gid, cid); - } else { - cid = gid; - } - wbuf[0] = 0; - wbuf[1] = 0; - wbuf[2] = (ch >> 8) & 0xff; - wbuf[3] = ch & 0xff; - CMap_add_cidchar(cmap, wbuf, 4, cid); - } - } - } - - return; -} - -static void -load_cmap12 (struct cmap12 *map, - unsigned char *GIDToCIDMap, CMap *cmap) -{ - ULONG i, ch; /* LONG ? */ - USHORT gid, cid; - - for (i = 0; i < map->nGroups; i++) { - for (ch = map->groups[i].startCharCode; - ch <= map->groups[i].endCharCode; - ch++) { - long d = ch - map->groups[i].startCharCode; - gid = (USHORT) ((map->groups[i].startGlyphID + d) & 0xffff); - if (GIDToCIDMap) { - cid = ((GIDToCIDMap[2*gid] << 8)|GIDToCIDMap[2*gid+1]); - if (cid == 0) - WARN("GID %u does not have corresponding CID %u.", gid, cid); - } else { - cid = gid; - } - wbuf[0] = (ch >> 24) & 0xff; - wbuf[1] = (ch >> 16) & 0xff; - wbuf[2] = (ch >> 8) & 0xff; - wbuf[3] = ch & 0xff; - CMap_add_cidchar(cmap, wbuf, 4, cid); - } - } - - return; -} - -/* OpenType CIDFont: - * - * We don't use GID for them. OpenType cmap table is for - * charcode to GID mapping rather than to-CID mapping. - */ -#include "cid.h" - -#include "tt_table.h" -#include "cff_types.h" -#include "cff_dict.h" -#include "cff.h" - -static int -handle_CIDFont (sfnt *sfont, - unsigned char **GIDToCIDMap, CIDSysInfo *csi) -{ - cff_font *cffont; - long offset, i; - card16 num_glyphs, gid; - cff_charsets *charset; - unsigned char *map; - struct tt_maxp_table *maxp; - - ASSERT(csi); - - offset = sfnt_find_table_pos(sfont, "CFF "); - if (offset == 0) { - csi->registry = NULL; - csi->ordering = NULL; - *GIDToCIDMap = NULL; - return 0; - } - - maxp = tt_read_maxp_table(sfont); - num_glyphs = (card16) maxp->numGlyphs; - RELEASE(maxp); - if (num_glyphs < 1) - ERROR("No glyph contained in this font..."); - - cffont = cff_open(sfont, offset, 0); - if (!cffont) - ERROR("Could not open CFF font..."); - - - if (!(cffont->flag & FONTTYPE_CIDFONT)) { - cff_close(cffont); - csi->registry = NULL; - csi->ordering = NULL; - *GIDToCIDMap = NULL; - return 0; - } - - if (!cff_dict_known(cffont->topdict, "ROS")) { - ERROR("No CIDSystemInfo???"); - } else { - card16 reg, ord; - - reg = (card16) cff_dict_get(cffont->topdict, "ROS", 0); - ord = (card16) cff_dict_get(cffont->topdict, "ROS", 1); - - csi->registry = cff_get_string(cffont, reg); - csi->ordering = cff_get_string(cffont, ord); - csi->supplement = (int) cff_dict_get(cffont->topdict, "ROS", 2); - } - - cff_read_charsets(cffont); - charset = cffont->charsets; - if (!charset) { - ERROR("No CFF charset data???"); - } - - map = NEW(num_glyphs * 2, unsigned char); - memset(map, 0, num_glyphs * 2); - switch (charset->format) { - case 0: - { - s_SID *cids; /* CID... */ - - cids = charset->data.glyphs; - for (gid = 1, i = 0; - i < charset->num_entries; i++) { - map[2*gid ] = (cids[i] >> 8) & 0xff; - map[2*gid+1] = cids[i] & 0xff; - gid++; - } - } - break; - case 1: - { - cff_range1 *ranges; - card16 cid, count; - - ranges = charset->data.range1; - for (gid = 1, i = 0; - i < charset->num_entries; i++) { - cid = ranges[i].first; - count = ranges[i].n_left + 1; /* card8 */ - while (count-- > 0 && - gid <= num_glyphs) { - map[2*gid ] = (cid >> 8) & 0xff; - map[2*gid + 1] = cid & 0xff; - gid++; - } - } - } - break; - case 2: - { - cff_range2 *ranges; - card16 cid, count; - - ranges = charset->data.range2; - if (charset->num_entries == 1 && - ranges[0].first == 1) { - /* "Complete" CIDFont */ - RELEASE(map); map = NULL; - } else { - /* Not trivial mapping */ - for (gid = 1, i = 0; - i < charset->num_entries; i++) { - cid = ranges[i].first; - count = ranges[i].n_left + 1; - while (count-- > 0 && - gid <= num_glyphs) { - map[gid] = (cid >> 8) & 0xff; - map[gid] = cid & 0xff; - gid++; - } - } - - } - } - break; - default: - RELEASE(map); map = NULL; - ERROR("Unknown CFF charset format...: %d", charset->format); - break; - } - cff_close(cffont); - - *GIDToCIDMap = map; - return 1; -} - -/* - * Substituted glyphs: - * - * Mapping information stored in cmap_add. - */ -#ifndef is_used_char2 -#define is_used_char2(b,c) (((b)[(c)/8]) & (1 << (7-((c)%8)))) -#endif - -static USHORT -handle_subst_glyphs (CMap *cmap, - CMap *cmap_add, const char *used_glyphs, - sfnt *sfont) -{ - USHORT count; - USHORT i, gid; - - for (count = 0, i = 0; i < 8192; i++) { - int j; - long len, inbytesleft, outbytesleft; - const unsigned char *inbuf; - unsigned char *outbuf; - - if (used_glyphs[i] == 0) - continue; - - for (j = 0; j < 8; j++) { - gid = 8 * i + j; - - if (!is_used_char2(used_glyphs, gid)) - continue; - - if (!cmap_add) { -#if XETEX - if (FT_HAS_GLYPH_NAMES(sfont->ft_face)) { - /* JK: try to look up Unicode values from the glyph name... */ -#define MAX_UNICODES 16 -#define MAX_NAME 256 - static char name[MAX_NAME] = "(none)"; - long unicodes[MAX_UNICODES]; - int unicode_count = -1; - FT_Error err = FT_Get_Glyph_Name(sfont->ft_face, gid, name, MAX_NAME); - if (!err) { - unicode_count = agl_get_unicodes(name, unicodes, MAX_UNICODES); - } -#undef MAX_UNICODES -#undef MAX_NAME - if (unicode_count == -1) { - MESG("No Unicode mapping available: GID=%u, name=%s\n", gid, name); - } else { - /* the Unicode characters go into wbuf[2] and following, in UTF16BE */ - /* we rely on WBUF_SIZE being more than adequate for MAX_UNICODES */ - unsigned char* p = wbuf + 2; - int k; - len = 0; - for (k = 0; k < unicode_count; ++k) { - len += UC_sput_UTF16BE(unicodes[k], &p, wbuf+WBUF_SIZE); - } - wbuf[0] = (gid >> 8) & 0xff; - wbuf[1] = gid & 0xff; - CMap_add_bfchar(cmap, wbuf, 2, wbuf + 2, len); - } - } -#else - WARN("No Unicode mapping available: GID=%u", gid); -#endif - } else { - wbuf[0] = (gid >> 8) & 0xff; - wbuf[1] = gid & 0xff; - inbuf = wbuf; - inbytesleft = 2; - outbuf = wbuf + 2; - outbytesleft = WBUF_SIZE - 2; - CMap_decode(cmap_add, - &inbuf , &inbytesleft, - &outbuf, &outbytesleft); - if (inbytesleft != 0) { - WARN("CMap conversion failed..."); - } else { - len = WBUF_SIZE - 2 - outbytesleft; - CMap_add_bfchar(cmap, wbuf, 2, wbuf + 2, len); - count++; - - if (verbose > VERBOSE_LEVEL_MIN) { - long _i; - - MESG("otf_cmap>> Additional ToUnicode mapping: <%04X> <", gid); - for (_i = 0; _i < len; _i++) { - MESG("%02X", wbuf[2 + _i]); - } - MESG(">\n"); - } - - } - } - - } - } - - return count; -} - -static pdf_obj * -create_ToUnicode_cmap4 (struct cmap4 *map, - const char *cmap_name, CMap *cmap_add, - const char *used_glyphs, - sfnt *sfont) -{ - pdf_obj *stream = NULL; - CMap *cmap; - USHORT c0, c1, gid, count, ch; - USHORT i, j, d, segCount; - char used_glyphs_copy[8192]; - - cmap = CMap_new(); - CMap_set_name (cmap, cmap_name); - CMap_set_wmode(cmap, 0); - CMap_set_type (cmap, CMAP_TYPE_TO_UNICODE); - CMap_set_CIDSysInfo(cmap, &CSI_UNICODE); - CMap_add_codespacerange(cmap, srange_min, srange_max, 2); - - memcpy(used_glyphs_copy, used_glyphs, 8192); - - segCount = map->segCountX2 / 2; - for (count = 0, i = 0; i < segCount; i++) { - c0 = map->startCount[i]; - c1 = map->endCount[i]; - d = map->idRangeOffset[i] / 2 - (segCount - i); - for (j = 0; j <= c1 - c0; j++) { - ch = c0 + j; - if (map->idRangeOffset[i] == 0) { - gid = (ch + map->idDelta[i]) & 0xffff; - } else if (c0 == 0xffff && c1 == 0xffff && map->idRangeOffset[i] == 0xffff) { - /* this is for protection against some old broken fonts... */ - gid = 0; - } else { - gid = (map->glyphIndexArray[j+d] + - map->idDelta[i]) & 0xffff; - } - if (is_used_char2(used_glyphs_copy, gid)) { - count++; - - wbuf[0] = (gid >> 8) & 0xff; - wbuf[1] = (gid & 0xff); - - wbuf[2] = (ch >> 8) & 0xff; - wbuf[3] = ch & 0xff; - - CMap_add_bfchar(cmap, wbuf, 2, wbuf+2, 2); - - /* Avoid duplicate entry - * There are problem when two Unicode code is mapped to - * single glyph... - */ - used_glyphs_copy[gid/8] &= ~(1 << (7 - (gid % 8))); - count++; - } - } - } - - count += handle_subst_glyphs(cmap, cmap_add, used_glyphs_copy, sfont); - - if (count < 1) - stream = NULL; - else { - stream = CMap_create_stream(cmap, 0); - } - CMap_release(cmap); - - return stream; -} - - -static pdf_obj * -create_ToUnicode_cmap12 (struct cmap12 *map, - const char *cmap_name, CMap *cmap_add, - const char *used_glyphs, - sfnt *sfont) -{ - pdf_obj *stream = NULL; - CMap *cmap; - ULONG i, ch; - USHORT gid, count; - char used_glyphs_copy[8192]; - - cmap = CMap_new(); - CMap_set_name (cmap, cmap_name); - CMap_set_wmode(cmap, 0); - CMap_set_type (cmap, CMAP_TYPE_TO_UNICODE); - CMap_set_CIDSysInfo(cmap, &CSI_UNICODE); - CMap_add_codespacerange(cmap, srange_min, srange_max, 2); - - memcpy(used_glyphs_copy, used_glyphs, 8192); - for (count = 0, i = 0; i < map->nGroups; i++) { - for (ch = map->groups[i].startCharCode; - ch <= map->groups[i].endCharCode; ch++) { - unsigned char *p; - int len; - long d; - - p = wbuf + 2; - d = ch - map->groups[i].startCharCode; - gid = (USHORT) ((map->groups[i].startGlyphID + d) & 0xffff); - if (is_used_char2(used_glyphs_copy, gid)) { - count++; - wbuf[0] = (gid >> 8) & 0xff; - wbuf[1] = (gid & 0xff); - len = UC_sput_UTF16BE((long)ch, &p, wbuf+WBUF_SIZE); - - used_glyphs_copy[gid/8] &= ~(1 << (7 - (gid % 8))); - CMap_add_bfchar(cmap, wbuf, 2, wbuf+2, len); - } - } - } - - count += handle_subst_glyphs(cmap, cmap_add, used_glyphs_copy, sfont); - - if (count < 1) - stream = NULL; - else { - stream = CMap_create_stream(cmap, 0); - } - CMap_release(cmap); - - return stream; -} - -typedef struct { - short platform; - short encoding; -} cmap_plat_enc_rec; - -static cmap_plat_enc_rec cmap_plat_encs[] = { - { 3, 10 }, - { 0, 3 }, - { 0, 0 }, - { 3, 1 }, - { 0, 1 } -}; - -pdf_obj * -otf_create_ToUnicode_stream (const char *font_name, - int ttc_index, /* 0 for non-TTC */ - FT_Face face, - const char *used_glyphs) -{ - pdf_obj *cmap_ref = NULL; - long res_id; - pdf_obj *cmap_obj = NULL; - CMap *cmap_add; - int cmap_add_id; - tt_cmap *ttcmap; - char *normalized_font_name; - char *cmap_name; - FILE *fp = NULL; - sfnt *sfont; - long offset = 0; - int i; - - /* replace slash in map name with dash to make the output cmap name valid, - * happens when XeTeX embeds full font path - * https://sourceforge.net/p/xetex/bugs/52/ - */ - normalized_font_name = NEW(strlen(font_name)+1, char); - strcpy(normalized_font_name, font_name); - for (i = 0; i < strlen(font_name); ++i) { - if (normalized_font_name[i] == '/') - normalized_font_name[i] = '-'; - } - - cmap_name = NEW(strlen(font_name)+strlen("-UTF16")+5, char); - sprintf(cmap_name, "%s,%03d-UTF16", normalized_font_name, ttc_index); - - res_id = pdf_findresource("CMap", cmap_name); - if (res_id >= 0) { - RELEASE(cmap_name); - cmap_ref = pdf_get_resource_reference(res_id); - return cmap_ref; - } - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("\n"); - MESG("otf_cmap>> Creating ToUnicode CMap for \"%s\"...\n", font_name); - } - -#ifdef XETEX - sfont = sfnt_open(face, -1); -#else - fp = DPXFOPEN(font_name, DPX_RES_TYPE_TTFONT); - if (!fp) { - fp = DPXFOPEN(font_name, DPX_RES_TYPE_OTFONT); - } - - if (!fp) { - RELEASE(cmap_name); - return NULL; - } - - sfont = sfnt_open(fp); -#endif - - if (!sfont) { - ERROR("Could not open OpenType/TrueType font file \"%s\"", font_name); - } - - switch (sfont->type) { - case SFNT_TYPE_TTC: - offset = ttc_read_offset(sfont, ttc_index); - if (offset == 0) { - ERROR("Invalid TTC index"); - } - break; - default: - offset = 0; - break; - } - - if (sfnt_read_table_directory(sfont, offset) < 0) { - ERROR("Could not read OpenType/TrueType table directory."); - } - - cmap_add_id = CMap_cache_find(cmap_name); - if (cmap_add_id < 0) { - cmap_add = NULL; - } else { - cmap_add = CMap_cache_get(cmap_add_id); - } - - CMap_set_silent(1); /* many warnings without this... */ - for (i = 0; i < sizeof(cmap_plat_encs) / sizeof(cmap_plat_enc_rec); ++i) { - ttcmap = tt_cmap_read(sfont, cmap_plat_encs[i].platform, cmap_plat_encs[i].encoding); - if (!ttcmap) - continue; - if (ttcmap->format == 4) { - cmap_obj = create_ToUnicode_cmap4(ttcmap->map, - cmap_name, cmap_add, used_glyphs, sfont); - break; - } - if (ttcmap->format == 12) { - cmap_obj = create_ToUnicode_cmap12(ttcmap->map, - cmap_name, cmap_add, used_glyphs, sfont); - break; - } - } - if (cmap_obj == NULL) - WARN("Unable to read OpenType/TrueType Unicode cmap table."); - tt_cmap_release(ttcmap); - CMap_set_silent(0); - - if (cmap_obj) { - res_id = pdf_defineresource("CMap", cmap_name, - cmap_obj, PDF_RES_FLUSH_IMMEDIATE); - cmap_ref = pdf_get_resource_reference(res_id); - } else { - cmap_ref = NULL; - } - RELEASE(cmap_name); - - sfnt_close(sfont); - if (fp) - DPXFCLOSE(fp); - - return cmap_ref; -} - -/* Must be smaller than (WBUF_SIZE-2)/8 */ -#define MAX_UNICODES 16 - -struct gent -{ - USHORT gid; - long ucv; /* assigned PUA unicode */ - - int num_unicodes; - long unicodes[MAX_UNICODES]; -}; - -static void -create_cmaps (CMap *cmap, CMap *tounicode, - struct ht_table *unencoded, unsigned char *GIDToCIDMap) -{ - struct ht_iter iter; - - ASSERT(cmap && unencoded); - - if (ht_set_iter(unencoded, &iter) < 0) - return; - - CMap_set_silent(1); /* many warnings without this... */ - - do { - struct gent *glyph; - unsigned char *ucv; - int i, len; - unsigned char *p, *endptr; - CID cid; - - glyph = (struct gent *) ht_iter_getval(&iter); - ucv = (unsigned char *) ht_iter_getkey(&iter, &len); - - if (GIDToCIDMap) { - cid = ((GIDToCIDMap[2 * glyph->gid] << 8)|GIDToCIDMap[2 * glyph->gid + 1]); - if (cid == 0) - WARN("Glyph gid=%u does not have corresponding CID.", glyph->gid); - } else { - cid = glyph->gid; - } - - CMap_add_cidchar(cmap, ucv, 4, cid); - - if (tounicode) { - wbuf[0] = (cid >> 8) & 0xff; - wbuf[1] = cid & 0xff; - p = wbuf + 2; - endptr = wbuf + WBUF_SIZE; - len = 0; - for (i = 0; i < glyph->num_unicodes; i++) { - len += UC_sput_UTF16BE(glyph->unicodes[i], &p, endptr); - } - CMap_add_bfchar(tounicode, wbuf, 2, wbuf + 2, len); - } - } while (ht_iter_next(&iter) >= 0); - - CMap_set_silent(0); - - ht_clear_iter(&iter); -} - -static void -add_glyph (struct ht_table *unencoded, - USHORT gid, long ucv, int num_unicodes, long *unicodes) -{ - struct gent *glyph; - int i; - - ASSERT(unencoded); - - if (gid == 0 || num_unicodes < 1) { - return; - } - - wbuf[0] = (ucv >> 24) & 0xff; - wbuf[1] = (ucv >> 16) & 0xff; - wbuf[2] = (ucv >> 8) & 0xff; - wbuf[3] = ucv & 0xff; - - glyph = NEW(1, struct gent); - glyph->gid = gid; - glyph->num_unicodes = num_unicodes; - for (i = 0; - i < num_unicodes && i < MAX_UNICODES; i++) { - glyph->unicodes[i] = unicodes[i]; - } - - ht_append_table(unencoded, wbuf, 4, glyph); -} - -/* This seriously affects speed... */ -static struct gent * -find_glyph (struct ht_table *unencoded, long ucv) -{ - ASSERT(unencoded); - - wbuf[0] = (ucv >> 24) & 0xff; - wbuf[1] = (ucv >> 16) & 0xff; - wbuf[2] = (ucv >> 8) & 0xff; - wbuf[3] = ucv & 0xff; - - return (struct gent *) ht_lookup_table(unencoded, wbuf, 4); -} - -static void -handle_subst (pdf_obj *dst_obj, pdf_obj *src_obj, int flag, - otl_gsub *gsub_list, tt_cmap *ttcmap, - struct ht_table *unencoded) -{ - pdf_obj *tmp; - long i, j, src_size, dst_size; - long src, dst; - long src_start, src_end, dst_start, dst_end; - - src_size = pdf_array_length(src_obj); - dst_size = pdf_array_length(dst_obj); - - dst_start = dst_end = -1; dst = 0; - src_start = src_end = -1; src = 0; - for (i = 0, j = 0; - i < src_size && j < dst_size; i++) { - USHORT gid; - int rv; - struct gent *glyph; - - tmp = pdf_get_array(src_obj, i); - if (PDF_OBJ_ARRAYTYPE(tmp)) { - src_start = (long) pdf_number_value(pdf_get_array(tmp, 0)); - src_end = (long) pdf_number_value(pdf_get_array(tmp, 1)); - } else { - src_start = src_end = (long) pdf_number_value(tmp); - } - for (src = src_start; src <= src_end; src++) { - glyph = find_glyph(unencoded, src); - if (glyph) - gid = glyph->gid; - else { - gid = tt_cmap_lookup(ttcmap, src); - } - dst++; - if (dst > dst_end) { - tmp = pdf_get_array(dst_obj, j++); - if (PDF_OBJ_ARRAYTYPE(tmp)) { - dst_start = (long) pdf_number_value(pdf_get_array(tmp, 0)); - dst_end = (long) pdf_number_value(pdf_get_array(tmp, 1)); - } else { - dst_start = dst_end = (long) pdf_number_value(tmp); - } - dst = dst_start; - } - if (gid == 0) { - if (flag == 'r' || flag == 'p') { - if (src < 0x10000) { - WARN("Font does not have glyph for U+%04X.", src); - } else { - WARN("Font does not have glyph for U+%06X.", src); - } - } - if (flag == 'r') { - ERROR("Missing glyph found..."); - } - continue; - } - rv = otl_gsub_apply(gsub_list, &gid); - if (rv < 0) { - if (flag == 'p' || flag == 'r') { - if (src < 0x10000) { - WARN("No substituted glyph for U+%04X.", src); - } else { - WARN("No substituted glyph for U+%06X.", src); - } - } - if (flag == 'r') { - ERROR("Missing glyph found..."); - } - continue; - } - - if (glyph) { - glyph->gid = gid; - } else { - add_glyph(unencoded, gid, dst, 1, &src); - } - - if (verbose > VERBOSE_LEVEL_MIN) { - if (dst < 0x10000) { - MESG("otf_cmap>> Substituted glyph gid=%u assigned to U+%04X\n", - gid, dst); - } else { - MESG("otf_cmap>> Substituted glyph gid=%u assigned to U+%06X\n", - gid, dst); - } - } - - } - } - - if (dst < dst_end || src < src_end || - i < src_size || j < dst_size) { - WARN("Number of glyphs in left-side and right-side not equal..."); - WARN("Please check .otl file..."); - } -} - -static void -handle_assign (pdf_obj *dst, pdf_obj *src, int flag, - otl_gsub *gsub_list, tt_cmap *ttcmap, - struct ht_table *unencoded) -{ - long unicodes[MAX_UNICODES], ucv; - int i, n_unicodes, rv; - USHORT gid_in[MAX_UNICODES], lig; - - n_unicodes = pdf_array_length(src); /* FIXME */ - ucv = (long) pdf_number_value(pdf_get_array(dst, 0)); /* FIXME */ - if (!UC_is_valid(ucv)) { - if (flag == 'r' || flag == 'p') { - if (ucv < 0x10000) { - WARN("Invalid Unicode in: %04X", ucv); - } else { - WARN("Invalid Unicode in: %06X", ucv); - } - } - if (flag == 'r') { - ERROR("Invalid Unicode code specified.", ucv); - } - return; - } - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("otf_cmap>> Ligature component:"); - } - - for (i = 0; i < n_unicodes; i++) { - unicodes[i] = - (long) pdf_number_value(pdf_get_array(src, i)); - gid_in[i] = tt_cmap_lookup(ttcmap, unicodes[i]); - - if (verbose > VERBOSE_LEVEL_MIN) { - if (unicodes[i] < 0x10000) { - MESG(" U+%04X (gid=%u)", unicodes[i], gid_in[i]); - } else { - MESG(" U+%06X (gid=%u)", unicodes[i], gid_in[i]); - } - } - - if (gid_in[i] == 0) { - if (flag == 'r' || flag == 'p') { - if (unicodes[i] < 0x10000) { - WARN("Unicode char U+%04X not exist in font...", unicodes[i]); - } else { - WARN("Unicode char U+%06X not exist in font...", unicodes[i]); - } - } - if (flag == 'r') { - ERROR("Missing glyph found..."); - } - return; - } - - } - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("\n"); - } - - rv = otl_gsub_apply_lig(gsub_list, - gid_in, (USHORT)n_unicodes, &lig); - if (rv < 0) { - if (flag == 'p') - WARN("No ligature found..."); - else if (flag == 'r') - ERROR("No ligature found..."); - return; - } - - add_glyph(unencoded, lig, ucv, n_unicodes, unicodes); - - if (verbose > VERBOSE_LEVEL_MIN) { - if (ucv < 0x10000) { - MESG("otf_cmap>> Ligature glyph gid=%u assigned to U+%04X\n", lig, ucv); - } else { - MESG("otf_cmap>> Ligature glyph gid=%u assigned to U+%06X\n", lig, ucv); - } - } - - return; -} - -static int -load_base_CMap (const char *cmap_name, int wmode, - CIDSysInfo *csi, unsigned char *GIDToCIDMap, - tt_cmap *ttcmap) -{ - int cmap_id; - - cmap_id = CMap_cache_find(cmap_name); - if (cmap_id < 0) { - CMap *cmap; - - cmap = CMap_new(); - CMap_set_name (cmap, cmap_name); - CMap_set_type (cmap, CMAP_TYPE_CODE_TO_CID); - CMap_set_wmode(cmap, wmode); - CMap_add_codespacerange(cmap, lrange_min, lrange_max, 4); - - if (csi) { /* CID */ - CMap_set_CIDSysInfo(cmap, csi); - } else { - CMap_set_CIDSysInfo(cmap, &CSI_IDENTITY); - } - - if (ttcmap->format == 12) { - load_cmap12(ttcmap->map, GIDToCIDMap, cmap); - } else if (ttcmap->format == 4) { - load_cmap4(ttcmap->map, GIDToCIDMap, cmap); - } - - cmap_id = CMap_cache_add(cmap); - } - - return cmap_id; -} - -static void -load_gsub (pdf_obj *conf, otl_gsub *gsub_list, sfnt *sfont) -{ - pdf_obj *rule; - char *script, *language, *feature; - long i, size; - - rule = otl_conf_get_rule(conf); - if (!rule) - return; - - script = otl_conf_get_script (conf); - language = otl_conf_get_language(conf); - - size = pdf_array_length(rule); - for (i = 0; i < size; i += 2) { - pdf_obj *tmp, *commands; - int flag; - long j, num_comms; - - tmp = pdf_get_array(rule, i); - flag = (int) pdf_number_value(tmp); - - commands = pdf_get_array(rule, i+1); - num_comms = pdf_array_length(commands); - - /* (assign|substitute) tag dst src */ - for (j = 0 ; j < num_comms; j += 4) { - tmp = pdf_get_array(commands, 1); - if (PDF_OBJ_STRINGTYPE(tmp)) { - feature = pdf_string_value(tmp); - if (otl_gsub_add_feat(gsub_list, - script, language, feature, sfont) < 0) { - if (flag == 'p') - WARN("No OTL feature matches \"%s.%s.%s\" found.", - script, language, feature); - else if (flag == 'r') - ERROR("No OTL feature matches \"%s.%s.%s\" found.", - script, language, feature); - } - } - - } - } - -} - -static void -handle_gsub (pdf_obj *conf, - tt_cmap *ttcmap, otl_gsub *gsub_list, - struct ht_table *unencoded) -{ - pdf_obj *rule; - char *script, *language, *feature; - long i, size; - - if (!conf) - return; - - rule = otl_conf_get_rule(conf); - if (!rule) { - return; - } - - if (!PDF_OBJ_ARRAYTYPE(rule)) { - WARN("Not arraytype?"); - return; - } - script = otl_conf_get_script (conf); - language = otl_conf_get_language(conf); - - size = pdf_array_length(rule); - for (i = 0; i < size; i += 2) { - pdf_obj *tmp, *commands; - long j, num_comms; - int flag; - - tmp = pdf_get_array(rule, i); - flag = (int) pdf_number_value(tmp); - - commands = pdf_get_array (rule, i+1); - num_comms = pdf_array_length(commands); - - for (j = 0; j < num_comms; j += 4) { - pdf_obj *operator; - pdf_obj *src, *dst, *feat; - int rv; - - /* (assing|substitute) tag dst src */ - operator = pdf_get_array(commands, j); - - feat = pdf_get_array(commands, j+1); - if (PDF_OBJ_STRINGTYPE(feat)) - feature = pdf_string_value(feat); - else - feature = NULL; - - dst = pdf_get_array(commands, j+2); - src = pdf_get_array(commands, j+3); - - rv = otl_gsub_select(gsub_list, script, language, feature); - if (rv < 0) { - if (flag == 'p') { - WARN("No GSUB feature %s.%s.%s loaded...", - script, language, feature); - } else if (flag == 'r') { - ERROR("No GSUB feature %s.%s.%s loaded...", - script, language, feature); - } - } else { - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("otf_cmap>> %s:\n", pdf_name_value(operator)); - } - - if (!strcmp(pdf_name_value(operator), "assign")) { - handle_assign(dst, src, flag, - gsub_list, ttcmap, unencoded); - } else if (!strcmp(pdf_name_value(operator), "substitute")) { - handle_subst(dst, src, flag, - gsub_list, ttcmap, unencoded); - } - } - - } - - } - -} - -static void CDECL -hval_free (void *hval) -{ - RELEASE(hval); -} - -int -otf_load_Unicode_CMap (const char *map_name, int ttc_index, /* 0 for non-TTC font */ - const char *otl_tags, int wmode) -{ - int cmap_id = -1; - int tounicode_id = -1, is_cidfont = 0; - sfnt *sfont; - unsigned long offset = 0; - char *base_name = NULL, *cmap_name = NULL; - char *tounicode_name = NULL; - FILE *fp = NULL; - otl_gsub *gsub_list = NULL; - tt_cmap *ttcmap; - CMap *cmap, *base, *tounicode = NULL; - CIDSysInfo csi = {NULL, NULL, 0}; - unsigned char *GIDToCIDMap = NULL; - - if (!map_name) - return -1; - - if (ttc_index > 999 || ttc_index < 0) { - return -1; /* Sorry for this... */ - } - -fprintf(stderr, "otf_load_Unicode_CMap(%s, %d)\n", map_name, ttc_index); -#ifdef XETEX - sfont = NULL; /* FIXME */ -#else - fp = DPXFOPEN(map_name, DPX_RES_TYPE_TTFONT); - if (!fp) { - fp = DPXFOPEN(map_name, DPX_RES_TYPE_OTFONT); - } - if (!fp) { - fp = DPXFOPEN(map_name, DPX_RES_TYPE_DFONT); - if (!fp) return -1; - sfont = dfont_open(fp, ttc_index); - } else { - sfont = sfnt_open(fp); - } -#endif - - if (!sfont) { - ERROR("Could not open OpenType/TrueType/dfont font file \"%s\"", map_name); - } - switch (sfont->type) { - case SFNT_TYPE_TTC: - offset = ttc_read_offset(sfont, ttc_index); - if (offset == 0) { - ERROR("Invalid TTC index"); - } - break; - case SFNT_TYPE_TRUETYPE: - case SFNT_TYPE_POSTSCRIPT: - offset = 0; - break; - case SFNT_TYPE_DFONT: - offset = sfont->offset; - break; - default: - ERROR("Not a OpenType/TrueType/TTC font?: %s", map_name); - break; - } - - if (sfnt_read_table_directory(sfont, offset) < 0) - ERROR("Could not read OpenType/TrueType table directory."); - - base_name = NEW(strlen(map_name)+strlen("-UCS4-H")+5, char); - if (wmode) - sprintf(base_name, "%s,%03d-UCS4-V", map_name, ttc_index); - else { - sprintf(base_name, "%s,%03d-UCS4-H", map_name, ttc_index); - } - - if (otl_tags) { - cmap_name = NEW(strlen(map_name)+strlen(otl_tags)+strlen("-UCS4-H")+6, char); - if (wmode) - sprintf(cmap_name, "%s,%03d,%s-UCS4-V", map_name, ttc_index, otl_tags); - else - sprintf(cmap_name, "%s,%03d,%s-UCS4-H", map_name, ttc_index, otl_tags); - } else { - cmap_name = NEW(strlen(base_name)+1, char); - strcpy(cmap_name, base_name); - } - - if (sfont->type == SFNT_TYPE_POSTSCRIPT) { - is_cidfont = handle_CIDFont(sfont, &GIDToCIDMap, &csi); - } else { - is_cidfont = 0; - } - - if (is_cidfont) { - tounicode_name = NULL; - } else { - tounicode_name = NEW(strlen(map_name)+strlen("-UTF16")+5, char); - sprintf(tounicode_name, "%s,%03d-UTF16", map_name, ttc_index); - } - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("\n"); - MESG("otf_cmap>> Unicode charmap for font=\"%s\" layout=\"%s\"\n", - map_name, (otl_tags ? otl_tags : "none")); - } - - cmap_id = CMap_cache_find(cmap_name); - if (cmap_id >= 0) { - RELEASE(cmap_name); - RELEASE(base_name); - if (GIDToCIDMap) - RELEASE(GIDToCIDMap); - if (tounicode_name) - RELEASE(tounicode_name); - - sfnt_close(sfont); - DPXFCLOSE(fp); - - if (verbose > VERBOSE_LEVEL_MIN) - MESG("otf_cmap>> Found at cmap_id=%d.\n", cmap_id); - - return cmap_id; - } - - ttcmap = tt_cmap_read(sfont, 3, 10); /* Microsoft UCS4 */ - if (!ttcmap) { - ttcmap = tt_cmap_read(sfont, 3, 1); /* Microsoft UCS2 */ - if (!ttcmap) { - ttcmap = tt_cmap_read(sfont, 0, 3); /* Unicode 2.0 or later */ - if (!ttcmap) { - ERROR("Unable to read OpenType/TrueType Unicode cmap table."); - } - } - } - cmap_id = load_base_CMap(base_name, wmode, - (is_cidfont ? &csi : NULL), - GIDToCIDMap, ttcmap); - if (cmap_id < 0) - ERROR("Failed to read OpenType/TrueType cmap table."); - - if (!otl_tags) { - RELEASE(cmap_name); - RELEASE(base_name); - if (GIDToCIDMap) - RELEASE(GIDToCIDMap); - if (tounicode_name) - RELEASE(tounicode_name); - if (is_cidfont) { - if (csi.registry) - RELEASE(csi.registry); - if (csi.ordering) - RELEASE(csi.ordering); - } - tt_cmap_release(ttcmap); - sfnt_close(sfont); - DPXFCLOSE(fp); - - return cmap_id; - } - - base = CMap_cache_get(cmap_id); - - cmap = CMap_new(); - CMap_set_name (cmap, cmap_name); - CMap_set_type (cmap, CMAP_TYPE_CODE_TO_CID); - CMap_set_wmode(cmap, wmode); - /* CMap_add_codespacerange(cmap, lrange_min, lrange_max, 4); */ - CMap_set_usecmap(cmap, base); - CMap_add_cidchar(cmap, lrange_max, 4, 0); /* FIXME */ - - if (is_cidfont) { - CMap_set_CIDSysInfo(cmap, &csi); - if (csi.registry) - RELEASE(csi.registry); - if (csi.ordering) - RELEASE(csi.ordering); - } else { - CMap_set_CIDSysInfo(cmap, &CSI_IDENTITY); - } - - gsub_list = otl_gsub_new(); - - { - struct ht_table unencoded; - char *conf_name, *opt_tag; - pdf_obj *conf, *opt_conf; - - conf_name = NEW(strlen(otl_tags)+1, char); - memset (conf_name, 0, strlen(otl_tags)+1); - opt_tag = strchr(otl_tags, ':'); - if (opt_tag) { - opt_tag++; - strncpy(conf_name, otl_tags, - strlen(otl_tags) - strlen(opt_tag) - 1); - } else { - strcpy(conf_name, otl_tags); - } - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("otf_cmap>> Read layout config. \"%s\"\n", conf_name); - } - - conf = otl_find_conf(conf_name); - if (!conf) - ERROR("Layout file \"%s\" not found...", conf_name); - - load_gsub(conf, gsub_list, sfont); - if (opt_tag) { - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("otf_cmap>> Layout option \"%s\" enabled\n", opt_tag); - } - opt_conf = otl_conf_find_opt(conf, opt_tag); - if (!opt_conf) - ERROR("There is no option \"%s\" in \"%s\".", - opt_tag, conf_name); - load_gsub(opt_conf, gsub_list, sfont); - } - - ht_init_table(&unencoded, hval_free); - - handle_gsub(conf, ttcmap, gsub_list, &unencoded); - if (opt_tag) { - opt_conf = otl_conf_find_opt(conf, opt_tag); - if (!opt_conf) - ERROR("There is no option \"%s\" in \"%s\".", - opt_tag, conf_name); - handle_gsub(opt_conf, ttcmap, gsub_list, &unencoded); - } - if (is_cidfont) { - tounicode_id = -1; - tounicode = NULL; - } else { - tounicode_id = CMap_cache_find(tounicode_name); - if (tounicode_id >= 0) - tounicode = CMap_cache_get(tounicode_id); - else { - tounicode = CMap_new(); - CMap_set_name (tounicode, tounicode_name); - CMap_set_type (tounicode, CMAP_TYPE_TO_UNICODE); - CMap_set_wmode(tounicode, 0); - CMap_add_codespacerange(tounicode, srange_min, srange_max, 2); - CMap_set_CIDSysInfo(tounicode, &CSI_UNICODE); - /* FIXME */ - CMap_add_bfchar(tounicode, srange_min, 2, srange_max, 2); - } - } - create_cmaps(cmap, tounicode, &unencoded, GIDToCIDMap); - - ht_clear_table(&unencoded); - RELEASE(conf_name); - } - - cmap_id = CMap_cache_add(cmap); - if (!is_cidfont && tounicode_id < 0) /* New */ - CMap_cache_add(tounicode); - - tt_cmap_release(ttcmap); - if (gsub_list) - otl_gsub_release(gsub_list); - - if (verbose > VERBOSE_LEVEL_MIN) { - MESG("otf_cmap>> Overwrite CMap \"%s\" by \"%s\" with usecmap\n", - base_name, cmap_name); - } - - if (GIDToCIDMap) - RELEASE(GIDToCIDMap); - if (base_name) - RELEASE(base_name); - if (cmap_name) - RELEASE(cmap_name); - if (tounicode_name) - RELEASE(tounicode_name); - - sfnt_close(sfont); - DPXFCLOSE(fp); - - return cmap_id; -} |