extern int debug_flag;
+#ifdef USHORT
+#undef USHORT
+#endif
+#define USHORT unsigned short
+
/* Return nonzero (-1 if ID is zero, 1 otherwise) if OTF_Glyph *G
should be ignored according to LookupFlag FLAG. */
#define IGNORED_GLYPH(g, flag) \
return 0;
}
-static int
-prepare_drive_log (OTF_DriveLog *log, int size)
-{
- if (size > log->allocated)
- {
- OTF_Tag *tags;
- int allocated = log->allocated;
-
- while (size > allocated)
- allocated <<= 1;
- tags = realloc (log->tags, sizeof (OTF_Tag) * log->allocated);
- if (! tags)
- return -1;
- log->allocated = allocated;
- log->tags = tags;
- }
- log->size = 0;
- return 0;
-}
-
-
\f
static int
get_coverage_index (OTF_Coverage *coverage, OTF_GlyphID id)
static int
setup_lookup_flags (OTF_LookupList *LookupList, OTF_FeatureList *FeatureList,
OTF_LangSys *LangSys,
- const char *features, char *lookup_flags)
+ const char *features, USHORT *lookup_flags)
{
int i, j, n = 0;
OTF_Feature *feature;
return -1;
for (i = 0; i < FeatureList->FeatureCount; i++)
feature_table[i] = 0;
- memset (lookup_flags, 0, LookupList->LookupCount);
+ memset (lookup_flags, 0, sizeof (USHORT) * LookupList->LookupCount);
while (*features)
{
{
feature = FeatureList->Feature + index;
for (j = 0; j < feature->LookupCount; j++)
- lookup_flags[feature->LookupListIndex[j]] = 1;
+ lookup_flags[feature->LookupListIndex[j]] = i + 1;
}
}
break;
break;
if (use_it > 0)
for (j = 0; j < feature->LookupCount; j++)
- lookup_flags[feature->LookupListIndex[j]] = 1;
+ lookup_flags[feature->LookupListIndex[j]] = j + 1;
feature_table[i] = use_it;
break;
}
return 0;
}
+/* Apply the lookup indexed by LOOKUP_LIST_INDEX in LOOKUP_LIST to the
+ glyphs indexed by GIDX in GSTRING and the followings. If
+ successfully applied, return the index of the next glyph to apply
+ the lookup. If not applied, return GIDX. If error happened,
+ return -1. */
+
static int
lookup_gsub (OTF *otf, OTF_LookupList *lookup_list, unsigned lookup_list_index,
OTF_GlyphString *gstring, int gidx, int alternate_subst)
int i;
if (IGNORED_GLYPH (g, flag))
- return (gidx + 1);
+ return gidx;
/* Try all subtables until one of them handles the current glyph. */
for (i = 0; i < lookup->SubTableCount && gidx == orig_gidx; i++)
continue;
}
}
- if (gidx == orig_gidx)
- gidx++;
return gidx;
}
while (gidx < gstring->used
&& ! gstring->glyphs[gidx].glyph_id
- && gstring->glyphs[gidx].positioning_type)
+ && (gstring->glyphs[gidx].positioning_type & 0xF))
gidx++;
GSTRING_INSERT (gstring, gidx, 1);
gstring->glyphs[gidx] = gstring->glyphs[orig_gidx];
{
if (type)
fprintf (stderr, " %0X=", g->glyph_id);
- switch (g->positioning_type)
+ switch (g->positioning_type & 0xF)
{
case 1: case 2:
{
}
}
+/* See the comment of lookup_gsub. */
+
static int
lookup_gpos (OTF_LookupList *lookup_list, unsigned lookup_list_index,
OTF_GlyphString *gstring, int gidx, int accumulate)
{
if (debug_flag)
fprintf (stderr, " glyph ignored\n");
- return (gidx + 1);
+ return gidx;
}
/* Try all subtables until one of them handles the current glyph. */
gidx = gstring_insert_for_gpos (gstring, gidx);
g = gstring->glyphs + gidx;
}
- g->positioning_type = positioning_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | positioning_type;
g->f.f1.format = format;
g->f.f1.value = value;
if (debug_flag)
{
if (pair1->ValueFormat1)
{
- if (accumulate && g->positioning_type)
+ if (accumulate && (g->positioning_type & 0xF))
{
gidx = gstring_insert_for_gpos (gstring, gidx);
g = gstring->glyphs + gidx;
next_gidx += gidx - orig_gidx;
nextg = gstring->glyphs + next_gidx;
}
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
g->f.f2.format = pair1->ValueFormat1;
g->f.f2.value = &set->PairValueRecord[j].Value1;
if (debug_flag)
g = nextg;
if (pair1->ValueFormat2)
{
- if (accumulate && g->positioning_type)
+ if (accumulate && (g->positioning_type & 0xF))
{
gidx = gstring_insert_for_gpos (gstring, gidx);
g = gstring->glyphs + gidx;
}
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
g->f.f2.format = pair1->ValueFormat2;
g->f.f2.value = &set->PairValueRecord[j].Value2;
if (debug_flag)
class2 = get_class_def (&pair2->ClassDef2, nextg->glyph_id);
if (pair2->ValueFormat1)
{
- if (accumulate && g->positioning_type)
+ if (accumulate && (g->positioning_type & 0xF))
{
gidx = gstring_insert_for_gpos (gstring, gidx);
g = gstring->glyphs + gidx;
next_gidx += gidx - orig_gidx;
nextg = gstring->glyphs + next_gidx;
}
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
g->f.f2.format = pair2->ValueFormat1;
g->f.f2.value
= &pair2->Class1Record[class1].Class2Record[class2].Value1;
g = nextg;
if (pair2->ValueFormat2)
{
- if (accumulate && g->positioning_type)
+ if (accumulate && (g->positioning_type & 0xF))
{
gidx = gstring_insert_for_gpos (gstring, gidx);
g = gstring->glyphs + gidx;
}
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
g->f.f2.format = pair2->ValueFormat2;
g->f.f2.value
= &pair2->Class1Record[class1].Class2Record[class2].Value2;
{
OTF_GPOS_Cursive1 *cursive1 = &subtable->u.cursive1;
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
g->f.f3.entry_anchor
= &cursive1->EntryExitRecord[coverage_idx].EntryAnchor;
g->f.f3.exit_anchor
g->f.f4.mark_anchor = &mark_record->MarkAnchor;
g->f.f4.base_anchor
= &base_record->Anchor[mark_record->Class];
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
if (debug_flag)
print_glyph_positioning (g, 0);
gidx++;
&& (IGNORED_GLYPH (ligg, flag)
|| ligg->GlyphClass > OTF_GlyphClassLigature));
ligg--)
- if (ligg->positioning_type == 5
+ if ((ligg->positioning_type & 0xF) == 5
&& ligg->MarkAttachClass < mark_lig1->ClassCount)
num_class[ligg->MarkAttachClass]++;
if (ligg < gstring->glyphs)
if (lig_anchor[mark_record->Class].AnchorFormat
&& num_class[mark_record->Class]-- == 0)
{
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
g->f.f5.mark_anchor = &mark_record->MarkAnchor;
g->f.f5.ligature_anchor = lig_anchor + mark_record->Class;
if (debug_flag)
g->f.f6.mark1_anchor = &mark1_record->MarkAnchor;
g->f.f6.mark2_anchor
= &mark2_record->Anchor[mark1_record->Class];
- g->positioning_type = lookup_type;
+ g->positioning_type
+ = (g->positioning_type & 0xFFFFFFF0) | lookup_type;
if (debug_flag)
print_glyph_positioning (g, 0);
gidx++;
continue;
}
}
- if (gidx == orig_gidx)
+ if (debug_flag)
{
- if (debug_flag)
+ if (gidx == orig_gidx)
fprintf (stderr, " no match\n");
- gidx++;
+ else
+ fprintf (stderr, "\n");
}
- else if (debug_flag)
- fprintf (stderr, "\n");
return gidx;
}
OTF_drive_gsub_internal (OTF *otf, OTF_GlyphString *gstring,
const char *script, const char *language,
const char *features,
- int alternate_subst)
+ int alternate_subst, int with_log)
{
char *errfmt = "GSUB driving%s";
int errret = -1;
OTF_GSUB *gsub;
OTF_LangSys *LangSys;
- char *lookup_flags;
+ USHORT *lookup_flags;
int i;
-
+ USHORT *log;
+
for (i = 0; i < gstring->used; i++)
{
- gstring->glyphs[i].positioning_type = 0;
gstring->glyphs[i].f.index.from = gstring->glyphs[i].f.index.to = i;
+ gstring->glyphs[i].positioning_type = 0;
}
if (OTF_get_table (otf, "GSUB") < 0)
if (! LangSys)
return errret;
- lookup_flags = alloca (gsub->LookupList.LookupCount);
+ lookup_flags = alloca (sizeof (USHORT) * gsub->LookupList.LookupCount);
if (! lookup_flags
|| setup_lookup_flags (&gsub->LookupList, &gsub->FeatureList, LangSys,
features, lookup_flags) < 0)
for (i = 0; i < gsub->LookupList.LookupCount; i++)
{
int gidx;
+ int j;
if (! lookup_flags[i]) continue;
gidx = 0;
while (gidx < gstring->used)
{
- gidx = lookup_gsub (otf, &gsub->LookupList, i, gstring, gidx,
- alternate_subst);
- if (gidx < 0)
+ int result = lookup_gsub (otf, &gsub->LookupList, i, gstring,
+ gidx, alternate_subst);
+ if (result < 0)
return errret;
+ if (gidx < result)
+ {
+ if (with_log)
+ for (j = gidx; j < result; j++)
+ gstring->glyphs[j].positioning_type
+ = ((gstring->glyphs[j].positioning_type & 0xF)
+ | (lookup_flags[i] << 4));
+ gidx = result;
+ }
+ else
+ gidx++;
}
}
else
gidx = gstring->used - 1;
while (gidx >= 0)
{
- gidx = lookup_gsub (otf, &gsub->LookupList, i, gstring, gidx,
- alternate_subst);
- if (gidx < 0)
+ int result = lookup_gsub (otf, &gsub->LookupList, i, gstring,
+ gidx, alternate_subst);
+ if (result < 0)
return errret;
+ if (gidx > result)
+ {
+ if (with_log)
+ for (j = gidx; j > result; j--)
+ gstring->glyphs[j].positioning_type
+ = ((gstring->glyphs[j].positioning_type & 0xF)
+ | (lookup_flags[i] << 4));
+ gidx = result;
+ }
+ else
+ gidx--;
}
}
}
{
if (! otf->cmap)
OTF_get_table (otf, "cmap");
- return OTF_drive_gsub_internal (otf, gstring, script, language, features, 0);
+ return OTF_drive_gsub_internal (otf, gstring, script, language, features,
+ 0, 0);
+}
+
+int
+OTF_drive_gsub_with_log (OTF *otf, OTF_GlyphString *gstring,
+ const char *script, const char *language,
+ const char *features)
+{
+ if (! otf->cmap)
+ OTF_get_table (otf, "cmap");
+ return OTF_drive_gsub_internal (otf, gstring, script, language, features,
+ 0, 1);
}
static int
OTF_drive_gpos_internal (OTF *otf, OTF_GlyphString *gstring,
const char *script, const char *language,
const char *features,
- int accumulate)
+ int accumulate, int with_log)
{
char *errfmt = "GPOS driving%s";
int errret = -1;
OTF_GPOS *gpos;
OTF_LangSys *LangSys;
- char *lookup_flags;
+ USHORT *lookup_flags;
int i, n;
for (i = 0; i < gstring->used; i++)
if (! LangSys)
return errret;
- lookup_flags = alloca (gpos->LookupList.LookupCount);
+ lookup_flags = alloca (sizeof (USHORT) * gpos->LookupList.LookupCount);
if (! lookup_flags
|| setup_lookup_flags (&gpos->LookupList, &gpos->FeatureList, LangSys,
features, lookup_flags) < 0)
for (i = 0; i < gpos->LookupList.LookupCount; i++)
{
int gidx = 0;
+ int j;
if (! lookup_flags[i]) continue;
while (gidx < gstring->used)
{
- gidx = lookup_gpos (&gpos->LookupList, i, gstring, gidx, accumulate);
- if (gidx < 0)
+ int result = lookup_gpos (&gpos->LookupList, i, gstring, gidx,
+ accumulate);
+ if (result < 0)
return errret;
+ if (gidx < result)
+ {
+ if (with_log)
+ for (j = gidx; j < result; j++)
+ gstring->glyphs[j].positioning_type
+ = ((gstring->glyphs[j].positioning_type & 0xF)
+ | (lookup_flags[i] << 4));
+ gidx = result;
+ }
+ else
+ gidx++;
}
}
{
if (! otf->cmap)
OTF_get_table (otf, "cmap");
- return OTF_drive_gpos_internal (otf, gstring, script, language, features, 0);
+ return OTF_drive_gpos_internal (otf, gstring, script, language, features,
+ 0, 0);
}
int
{
if (! otf->cmap)
OTF_get_table (otf, "cmap");
- return OTF_drive_gpos_internal (otf, gstring, script, language, features, 1);
+ return OTF_drive_gpos_internal (otf, gstring, script, language, features,
+ 1, 0);
+}
+
+int
+OTF_drive_gpos_with_log (OTF *otf, OTF_GlyphString *gstring,
+ const char *script, const char *language,
+ const char *features)
+{
+ if (! otf->cmap)
+ OTF_get_table (otf, "cmap");
+ return OTF_drive_gpos_internal (otf, gstring, script, language, features,
+ 1, 1);
}
int
const char *script, const char *language,
const char *features)
{
- return OTF_drive_gsub_internal (otf, gstring, script, language, features, 1);
+ return OTF_drive_gsub_internal (otf, gstring, script, language, features,
+ 1, 0);
}
static int
OTF_GSUB *gsub;
OTF_LangSys *langsys;
- char *lookup_flags;
+ USHORT *lookup_flags;
if (OTF_get_table (otf, "GSUB") < 0)
return errret;
langsys = get_langsys (&gsub->ScriptList, script, language);
if (! langsys)
return errret;
- lookup_flags = alloca (gsub->LookupList.LookupCount);
+ lookup_flags = alloca (sizeof (USHORT) * gsub->LookupList.LookupCount);
if (! lookup_flags
|| setup_lookup_flags (&gsub->LookupList, &gsub->FeatureList, langsys,
feature, lookup_flags) < 0)
return -1;
return 0;
}
-
-OTF_Tag *
-OTF_get_drive_log (OTF *otf)
-{
- OTF_DriveLog *log = get_drive_log (otf);
-
- return (log ? log->tags : NULL);
-}
-
projects / m17n / libotf.git / blobdiff