summaryrefslogtreecommitdiff
path: root/Build/source/texk/dvipdf-x/xsrc/tt_table.c
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/texk/dvipdf-x/xsrc/tt_table.c')
-rw-r--r--Build/source/texk/dvipdf-x/xsrc/tt_table.c505
1 files changed, 505 insertions, 0 deletions
diff --git a/Build/source/texk/dvipdf-x/xsrc/tt_table.c b/Build/source/texk/dvipdf-x/xsrc/tt_table.c
new file mode 100644
index 00000000000..88b3a33c781
--- /dev/null
+++ b/Build/source/texk/dvipdf-x/xsrc/tt_table.c
@@ -0,0 +1,505 @@
+/*
+
+ This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
+
+ Copyright (C) 2002-2012 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.
+*/
+
+#include <stdio.h>
+
+#include "system.h"
+#include "error.h"
+#include "mem.h"
+#include "mfileio.h"
+
+#include "sfnt.h"
+#include "tt_table.h"
+
+/*
+ tables contains information refered by other tables
+ maxp->numGlyphs, etc --> loca, etc
+ hhea->numOfLongHorMetrics --> hmtx
+ head->indexToLocFormat --> loca
+ head->glyphDataFormat --> glyf
+*/
+
+char *tt_pack_head_table (struct tt_head_table *table)
+{
+ int i;
+ char *p, *data;
+
+ if (table == NULL)
+ ERROR("passed NULL pointer\n");
+
+ p = data = NEW(TT_HEAD_TABLE_SIZE, char);
+ p += sfnt_put_ulong(p, table->version);
+ p += sfnt_put_ulong(p, table->fontRevision);
+ p += sfnt_put_ulong(p, table->checkSumAdjustment);
+ p += sfnt_put_ulong(p, table->magicNumber);
+ p += sfnt_put_ushort(p, table->flags);
+ p += sfnt_put_ushort(p, table->unitsPerEm);
+ for (i=0; i<8; i++) {
+ *(p++) = (table->created)[i];
+ }
+ for (i=0; i<8; i++) {
+ *(p++) = (table->modified)[i];
+ }
+ p += sfnt_put_short(p, table->xMin);
+ p += sfnt_put_short(p, table->yMin);
+ p += sfnt_put_short(p, table->xMax);
+ p += sfnt_put_short(p, table->yMax);
+ p += sfnt_put_ushort(p, table->macStyle);
+ p += sfnt_put_ushort(p, table->lowestRecPPEM);
+ p += sfnt_put_short(p, table->fontDirectionHint);
+ p += sfnt_put_short(p, table->indexToLocFormat);
+ p += sfnt_put_short(p, table->glyphDataFormat);
+
+ return data;
+}
+
+struct tt_head_table *tt_read_head_table (sfnt *sfont)
+{
+ int i;
+ struct tt_head_table *table = NULL;
+
+ table = NEW(1, struct tt_head_table);
+
+ sfnt_locate_table(sfont, "head");
+
+ table->version = sfnt_get_ulong(sfont);
+ table->fontRevision = sfnt_get_ulong(sfont);
+ table->checkSumAdjustment = sfnt_get_ulong(sfont);
+ table->magicNumber = sfnt_get_ulong(sfont);
+ table->flags = sfnt_get_ushort(sfont);
+ table->unitsPerEm = sfnt_get_ushort(sfont);
+ for (i=0; i<8; i++) {
+ (table->created)[i] = sfnt_get_byte (sfont);
+ }
+ for (i=0; i<8; i++) {
+ (table->modified)[i] = sfnt_get_byte (sfont);
+ }
+ table->xMin = sfnt_get_short(sfont);
+ table->yMin = sfnt_get_short(sfont);
+ table->xMax = sfnt_get_short(sfont);
+ table->yMax = sfnt_get_short(sfont);
+ table->macStyle = sfnt_get_short(sfont);
+ table->lowestRecPPEM = sfnt_get_short(sfont);
+ table->fontDirectionHint = sfnt_get_short(sfont);
+ table->indexToLocFormat = sfnt_get_short(sfont);
+ table->glyphDataFormat = sfnt_get_short(sfont);
+
+ return table;
+}
+
+char *tt_pack_maxp_table (struct tt_maxp_table *table)
+{
+ char *p, *data;
+
+ p = data = NEW(TT_MAXP_TABLE_SIZE, char);
+ p += sfnt_put_ulong(p, table->version);
+ p += sfnt_put_ushort(p, table->numGlyphs);
+ p += sfnt_put_ushort(p, table->maxPoints);
+ p += sfnt_put_ushort(p, table->maxContours);
+ p += sfnt_put_ushort(p, table->maxComponentPoints);
+ p += sfnt_put_ushort(p, table->maxComponentContours);
+ p += sfnt_put_ushort(p, table->maxZones);
+ p += sfnt_put_ushort(p, table->maxTwilightPoints);
+ p += sfnt_put_ushort(p, table->maxStorage);
+ p += sfnt_put_ushort(p, table->maxFunctionDefs);
+ p += sfnt_put_ushort(p, table->maxInstructionDefs);
+ p += sfnt_put_ushort(p, table->maxStackElements);
+ p += sfnt_put_ushort(p, table->maxSizeOfInstructions);
+ p += sfnt_put_ushort(p, table->maxComponentElements);
+ p += sfnt_put_ushort(p, table->maxComponentDepth);
+
+ return data;
+}
+
+struct tt_maxp_table *tt_read_maxp_table (sfnt *sfont)
+{
+ struct tt_maxp_table *table = NULL;
+
+ table = NEW(1, struct tt_maxp_table);
+
+ sfnt_locate_table(sfont, "maxp");
+ table->version = sfnt_get_ulong(sfont);
+ table->numGlyphs = sfnt_get_ushort(sfont);
+ table->maxPoints = sfnt_get_ushort(sfont);
+ table->maxContours = sfnt_get_ushort(sfont);
+ table->maxComponentPoints = sfnt_get_ushort(sfont);
+ table->maxComponentContours = sfnt_get_ushort(sfont);
+ table->maxZones = sfnt_get_ushort(sfont);
+ table->maxTwilightPoints = sfnt_get_ushort(sfont);
+ table->maxStorage = sfnt_get_ushort(sfont);
+ table->maxFunctionDefs = sfnt_get_ushort(sfont);
+ table->maxInstructionDefs = sfnt_get_ushort(sfont);
+ table->maxStackElements = sfnt_get_ushort(sfont);
+ table->maxSizeOfInstructions = sfnt_get_ushort(sfont);
+ table->maxComponentElements = sfnt_get_ushort(sfont);
+ table->maxComponentDepth = sfnt_get_ushort(sfont);
+
+ return table;
+}
+
+char *tt_pack_hhea_table (struct tt_hhea_table *table)
+{
+ int i;
+ char *p, *data;
+
+ p = data = NEW(TT_HHEA_TABLE_SIZE, char);
+ p += sfnt_put_ulong(p, table->version);
+ p += sfnt_put_short(p, table->ascent);
+ p += sfnt_put_short(p, table->descent);
+ p += sfnt_put_short(p, table->lineGap);
+ p += sfnt_put_ushort(p, table->advanceWidthMax);
+ p += sfnt_put_short(p, table->minLeftSideBearing);
+ p += sfnt_put_short(p, table->minRightSideBearing);
+ p += sfnt_put_short(p, table->xMaxExtent);
+ p += sfnt_put_short(p, table->caretSlopeRise);
+ p += sfnt_put_short(p, table->caretSlopeRun);
+ p += sfnt_put_short(p, table->caretOffset);
+ for (i = 0; i < 4; i++) {
+ p += sfnt_put_short(p, table->reserved[i]);
+ }
+ p += sfnt_put_short(p, table->metricDataFormat);
+ p += sfnt_put_ushort(p, table->numOfLongHorMetrics);
+
+ return data;
+}
+
+struct tt_hhea_table *
+tt_read_hhea_table (sfnt *sfont)
+{
+ int i;
+ ULONG len;
+ struct tt_hhea_table *table = NULL;
+
+ sfnt_locate_table(sfont, "hhea");
+
+ table = NEW(1, struct tt_hhea_table);
+ table->version = sfnt_get_ulong(sfont);
+ table->ascent = sfnt_get_short (sfont);
+ table->descent = sfnt_get_short(sfont);
+ table->lineGap = sfnt_get_short(sfont);
+ table->advanceWidthMax = sfnt_get_ushort(sfont);
+ table->minLeftSideBearing = sfnt_get_short(sfont);
+ table->minRightSideBearing = sfnt_get_short(sfont);
+ table->xMaxExtent = sfnt_get_short(sfont);
+ table->caretSlopeRise = sfnt_get_short(sfont);
+ table->caretSlopeRun = sfnt_get_short(sfont);
+ table->caretOffset = sfnt_get_short(sfont);
+ for(i = 0; i < 4; i++) {
+ table->reserved[i] = sfnt_get_short(sfont);
+ }
+ table->metricDataFormat = sfnt_get_short(sfont);
+ if (table->metricDataFormat != 0)
+ ERROR("unknown metricDataFormat");
+ table->numOfLongHorMetrics = sfnt_get_ushort(sfont);
+
+ len = sfnt_find_table_len(sfont, "hmtx");
+ table->numOfExSideBearings = (USHORT)((len - table->numOfLongHorMetrics * 4) / 2);
+
+ return table;
+}
+
+/* vhea */
+#if 0
+char *
+tt_pack_vhea_table (struct tt_vhea_table *table)
+{
+ int i;
+ char *p, *data;
+
+ p = data = NEW(TT_VHEA_TABLE_SIZE, char);
+ p += sfnt_put_ulong(p, table->version);
+ p += sfnt_put_short(p, table->vertTypoAscender);
+ p += sfnt_put_short(p, table->vertTypoDescender);
+ p += sfnt_put_short(p, table->vertTypoLineGap);
+ p += sfnt_put_short(p, table->advanceHeightMax); /* ushort ? */
+ p += sfnt_put_short(p, table->minTopSideBearing);
+ p += sfnt_put_short(p, table->minBottomSideBearing);
+ p += sfnt_put_short(p, table->yMaxExtent);
+ p += sfnt_put_short(p, table->caretSlopeRise);
+ p += sfnt_put_short(p, table->caretSlopeRun);
+ p += sfnt_put_short(p, table->caretOffset);
+ for(i = 0; i < 4; i++) {
+ p += sfnt_put_short(p, table->reserved[i]);
+ }
+ p += sfnt_put_short(p, table->metricDataFormat);
+ p += sfnt_put_ushort(p, table->numOfLongVerMetrics);
+
+ return data;
+}
+#endif
+
+struct tt_vhea_table *tt_read_vhea_table (sfnt *sfont)
+{
+ int i;
+ ULONG len;
+ struct tt_vhea_table *table = NULL;
+
+ table = NEW(1, struct tt_vhea_table);
+
+ sfnt_locate_table(sfont, "vhea");
+ table->version = sfnt_get_ulong(sfont);
+ table->vertTypoAscender = sfnt_get_short (sfont);
+ table->vertTypoDescender = sfnt_get_short(sfont);
+ table->vertTypoLineGap = sfnt_get_short(sfont);
+ table->advanceHeightMax = sfnt_get_short(sfont); /* ushort ? */
+ table->minTopSideBearing = sfnt_get_short(sfont);
+ table->minBottomSideBearing = sfnt_get_short(sfont);
+ table->yMaxExtent = sfnt_get_short(sfont);
+ table->caretSlopeRise = sfnt_get_short(sfont);
+ table->caretSlopeRun = sfnt_get_short(sfont);
+ table->caretOffset = sfnt_get_short(sfont);
+ for(i = 0; i < 4; i++) {
+ (table->reserved)[i] = sfnt_get_short(sfont);
+ }
+ table->metricDataFormat = sfnt_get_short(sfont);
+ table->numOfLongVerMetrics = sfnt_get_ushort(sfont);
+
+ len = sfnt_find_table_len(sfont, "vmtx");
+ table->numOfExSideBearings = (USHORT)((len - table->numOfLongVerMetrics * 4) / 2);
+
+ return table;
+}
+
+
+struct tt_VORG_table *
+tt_read_VORG_table (sfnt *sfont)
+{
+ struct tt_VORG_table *vorg;
+ ULONG offset;
+ USHORT i;
+
+ offset = sfnt_find_table_pos(sfont, "VORG");
+
+ if (offset > 0) {
+ vorg = NEW(1, struct tt_VORG_table);
+
+ sfnt_locate_table(sfont, "VORG");
+ if (sfnt_get_ushort(sfont) != 1 ||
+ sfnt_get_ushort(sfont) != 0)
+ ERROR("Unsupported VORG version.");
+
+ vorg->defaultVertOriginY = sfnt_get_short(sfont);
+ vorg->numVertOriginYMetrics = sfnt_get_ushort(sfont);
+ vorg->vertOriginYMetrics = NEW(vorg->numVertOriginYMetrics,
+ struct tt_vertOriginYMetrics);
+ /*
+ * The vertOriginYMetrics array must be sorted in increasing
+ * glyphIndex order.
+ */
+ for (i = 0;
+ i < vorg->numVertOriginYMetrics; i++) {
+ vorg->vertOriginYMetrics[i].glyphIndex = sfnt_get_ushort(sfont);
+ vorg->vertOriginYMetrics[i].vertOriginY = sfnt_get_short(sfont);
+ }
+ } else {
+ vorg = NULL;
+ }
+
+ return vorg;
+}
+
+/*
+ * hmtx and vmtx
+ *
+ * Reading/writing hmtx and vmtx depend on other tables, maxp and hhea/vhea.
+ */
+
+struct tt_longMetrics *
+tt_read_longMetrics (sfnt *sfont, USHORT numGlyphs, USHORT numLongMetrics, USHORT numExSideBearings)
+{
+ struct tt_longMetrics *m;
+ USHORT gid, last_adv = 0;
+ SHORT last_esb = 0;
+
+ m = NEW(numGlyphs, struct tt_longMetrics);
+ for (gid = 0; gid < numGlyphs; gid++) {
+ if (gid < numLongMetrics)
+ last_adv = sfnt_get_ushort(sfont);
+ if (gid < numLongMetrics + numExSideBearings)
+ last_esb = sfnt_get_short(sfont);
+ m[gid].advance = last_adv;
+ m[gid].sideBearing = last_esb;
+ }
+
+ return m;
+}
+
+/* OS/2 table */
+/* this table may not exist */
+struct tt_os2__table *
+tt_read_os2__table (sfnt *sfont)
+{
+ struct tt_os2__table *table = NULL;
+ int i;
+
+ if (sfnt_find_table_pos(sfont, "OS/2") == 0)
+ return NULL;
+
+ sfnt_locate_table(sfont, "OS/2");
+
+ table = NEW(1, struct tt_os2__table);
+
+ table->version = sfnt_get_ushort(sfont);
+ table->xAvgCharWidth = sfnt_get_short(sfont);
+ table->usWeightClass = sfnt_get_ushort(sfont);
+ table->usWidthClass = sfnt_get_ushort(sfont);
+ table->fsType = sfnt_get_short(sfont);
+ table->ySubscriptXSize = sfnt_get_short(sfont);
+ table->ySubscriptYSize = sfnt_get_short(sfont);
+ table->ySubscriptXOffset = sfnt_get_short(sfont);
+ table->ySubscriptYOffset = sfnt_get_short(sfont);
+ table->ySuperscriptXSize = sfnt_get_short(sfont);
+ table->ySuperscriptYSize = sfnt_get_short(sfont);
+ table->ySuperscriptXOffset = sfnt_get_short(sfont);
+ table->ySuperscriptYOffset = sfnt_get_short(sfont);
+ table->yStrikeoutSize = sfnt_get_short(sfont);
+ table->yStrikeoutPosition = sfnt_get_short(sfont);
+ table->sFamilyClass = sfnt_get_short(sfont);
+ for (i = 0; i < 10; i++) {
+ table->panose[i] = sfnt_get_byte(sfont);
+ }
+ table->ulUnicodeRange1 = sfnt_get_ulong(sfont);
+ table->ulUnicodeRange2 = sfnt_get_ulong(sfont);
+ table->ulUnicodeRange3 = sfnt_get_ulong(sfont);
+ table->ulUnicodeRange4 = sfnt_get_ulong(sfont);
+ for (i = 0; i < 4; i++) {
+ table->achVendID[i] = sfnt_get_char(sfont);
+ }
+ table->fsSelection = sfnt_get_ushort(sfont);
+ table->usFirstCharIndex = sfnt_get_ushort(sfont);
+ table->usLastCharIndex = sfnt_get_ushort(sfont);
+ if (sfnt_find_table_len(sfont, "OS/2") >= 78) {
+ /* these fields are not present in the original Apple spec (68-byte table),
+ but Microsoft's version of "format 0" does include them... grr! */
+ table->sTypoAscender = sfnt_get_short(sfont);
+ table->sTypoDescender = sfnt_get_short(sfont);
+ table->sTypoLineGap = sfnt_get_short(sfont);
+ table->usWinAscent = sfnt_get_ushort(sfont);
+ table->usWinDescent = sfnt_get_ushort(sfont);
+ if (table->version > 0) {
+ /* format 1 adds the following 2 fields */
+ table->ulCodePageRange1 = sfnt_get_ulong(sfont);
+ table->ulCodePageRange2 = sfnt_get_ulong(sfont);
+ if (table->version > 1) {
+ /* and formats 2 and 3 (current) include 5 more.... these share the
+ same fields, only the precise definition of some was changed */
+ table->sxHeight = sfnt_get_short(sfont);
+ table->sCapHeight = sfnt_get_short(sfont);
+ table->usDefaultChar = sfnt_get_ushort(sfont);
+ table->usBreakChar = sfnt_get_ushort(sfont);
+ table->usMaxContext = sfnt_get_ushort(sfont);
+ }
+ }
+ }
+
+ return table;
+}
+
+USHORT
+tt_get_name (sfnt *sfont, char *dest, USHORT destlen,
+ USHORT plat_id, USHORT enco_id,
+ USHORT lang_id, USHORT name_id)
+{
+ USHORT length = 0;
+ USHORT num_names, string_offset;
+ ULONG name_offset;
+ int i;
+
+ name_offset = sfnt_locate_table (sfont, "name");
+
+ if (sfnt_get_ushort(sfont))
+ ERROR ("Expecting zero");
+
+ num_names = sfnt_get_ushort(sfont);
+ string_offset = sfnt_get_ushort(sfont);
+ for (i=0;i<num_names;i++) {
+ USHORT p_id, e_id, n_id, l_id;
+ USHORT offset;
+
+ p_id = sfnt_get_ushort(sfont);
+ e_id = sfnt_get_ushort(sfont);
+ l_id = sfnt_get_ushort(sfont);
+ n_id = sfnt_get_ushort(sfont);
+ length = sfnt_get_ushort(sfont);
+ offset = sfnt_get_ushort(sfont);
+ /* language ID value 0xffffu for `accept any language ID' */
+ if ((p_id == plat_id) && (e_id == enco_id) &&
+ (lang_id == 0xffffu || l_id == lang_id) && (n_id == name_id)) {
+ if (length > destlen - 1) {
+ fprintf(stderr, "\n** Notice: Name string too long. Truncating **\n");
+ length = destlen - 1;
+ }
+ sfnt_seek_set (sfont, name_offset+string_offset+offset);
+ sfnt_read((unsigned char*)dest, length, sfont);
+ dest[length] = '\0';
+ break;
+ }
+ }
+ if (i == num_names) {
+ length = 0;
+ }
+
+ return length;
+}
+
+USHORT
+tt_get_ps_fontname (sfnt *sfont, char *dest, USHORT destlen)
+{
+ USHORT namelen = 0;
+
+#ifdef XETEX
+
+ const char* name = FT_Get_Postscript_Name(sfont->ft_face);
+ namelen = strlen(name);
+ if (namelen > destlen - 1) {
+ strncpy(dest, name, destlen - 1);
+ dest[destlen] = 0;
+ }
+ else
+ strcpy(dest, name);
+
+#else
+
+ /* First try Mac-Roman PS name and then Win-Unicode PS name */
+ if ((namelen = tt_get_name(sfont, dest, destlen, 1, 0, 0, 6)) != 0 ||
+ (namelen = tt_get_name(sfont, dest, destlen, 3, 1, 0x409u, 6)) != 0 ||
+ (namelen = tt_get_name(sfont, dest, destlen, 3, 5, 0x412u, 6)) != 0)
+ return namelen;
+
+ fprintf(stderr, "\n** Warning: No valid PostScript name available **\n");
+ /*
+ Wrokaround for some bad TTfonts:
+ Language ID value 0xffffu for `accept any language ID'
+ */
+ if ((namelen = tt_get_name(sfont, dest, destlen, 1, 0, 0xffffu, 6)) == 0) {
+ /*
+ Finally falling back to Mac Roman name field.
+ Warning: Some bad Japanese TTfonts using SJIS encoded string in the
+ Mac Roman name field.
+ */
+ namelen = tt_get_name(sfont, dest, destlen, 1, 0, 0, 1);
+ }
+
+#endif
+
+ return namelen;
+}