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dwrite: Check all 'vert' lookups, not just the first one. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2016-07-06 23:16:42 +03:00 committed by Alexandre Julliard
parent c52fa73a43
commit c4d08275d0
2 changed files with 64 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
dlls/dwrite/opentype.c
View File

@ -1954,7 +1954,7 @@ BOOL opentype_has_vertical_variants(IDWriteFontFace3 *fontface)
for (i = 0; i < GET_BE_WORD(featurelist->FeatureCount); i++) {
if (*(UINT32*)featurelist->FeatureRecord[i].FeatureTag == DWRITE_FONT_FEATURE_TAG_VERTICAL_WRITING) {
const OT_Feature *feature = (const OT_Feature*)((BYTE*)featurelist + GET_BE_WORD(featurelist->FeatureRecord[i].Feature));
UINT16 lookup_count = GET_BE_WORD(feature->LookupCount), index, count, type;
UINT16 lookup_count = GET_BE_WORD(feature->LookupCount), i, index, count, type;
const GSUB_SingleSubstFormat2 *subst2;
const OT_LookupTable *lookup_table;
UINT32 offset;
@ -1962,40 +1962,42 @@ BOOL opentype_has_vertical_variants(IDWriteFontFace3 *fontface)
if (lookup_count == 0)
continue;
/* check if lookup is empty */
index = GET_BE_WORD(feature->LookupListIndex[0]);
lookup_table = (const OT_LookupTable*)((BYTE*)lookup_list + GET_BE_WORD(lookup_list->Lookup[index]));
for (i = 0; i < lookup_count; i++) {
/* check if lookup is empty */
index = GET_BE_WORD(feature->LookupListIndex[i]);
lookup_table = (const OT_LookupTable*)((BYTE*)lookup_list + GET_BE_WORD(lookup_list->Lookup[index]));
type = GET_BE_WORD(lookup_table->LookupType);
if (type != OPENTYPE_GPOS_SINGLE_SUBST && type != OPENTYPE_GPOS_EXTENSION_SUBST)
continue;
type = GET_BE_WORD(lookup_table->LookupType);
if (type != OPENTYPE_GPOS_SINGLE_SUBST && type != OPENTYPE_GPOS_EXTENSION_SUBST)
continue;
count = GET_BE_WORD(lookup_table->SubTableCount);
if (count == 0)
continue;
count = GET_BE_WORD(lookup_table->SubTableCount);
if (count == 0)
continue;
offset = GET_BE_WORD(lookup_table->SubTable[0]);
if (type == OPENTYPE_GPOS_EXTENSION_SUBST) {
const GSUB_ExtensionPosFormat1 *ext = (const GSUB_ExtensionPosFormat1 *)((const BYTE *)lookup_table + offset);
if (GET_BE_WORD(ext->SubstFormat) == 1)
offset += GET_BE_DWORD(ext->ExtensionOffset);
else
FIXME("Unhandled Extension Substitution Format %u\n", GET_BE_WORD(ext->SubstFormat));
}
subst2 = (const GSUB_SingleSubstFormat2*)((BYTE*)lookup_table + offset);
index = GET_BE_WORD(subst2->SubstFormat);
if (index == 1)
FIXME("Validate Single Substitution Format 1\n");
else if (index == 2) {
/* SimSun-ExtB has 0 glyph count for this substitution */
if (GET_BE_WORD(subst2->GlyphCount) > 0) {
ret = TRUE;
break;
offset = GET_BE_WORD(lookup_table->SubTable[0]);
if (type == OPENTYPE_GPOS_EXTENSION_SUBST) {
const GSUB_ExtensionPosFormat1 *ext = (const GSUB_ExtensionPosFormat1 *)((const BYTE *)lookup_table + offset);
if (GET_BE_WORD(ext->SubstFormat) == 1)
offset += GET_BE_DWORD(ext->ExtensionOffset);
else
FIXME("Unhandled Extension Substitution Format %u\n", GET_BE_WORD(ext->SubstFormat));
}
subst2 = (const GSUB_SingleSubstFormat2*)((BYTE*)lookup_table + offset);
index = GET_BE_WORD(subst2->SubstFormat);
if (index == 1)
FIXME("Validate Single Substitution Format 1\n");
else if (index == 2) {
/* SimSun-ExtB has 0 glyph count for this substitution */
if (GET_BE_WORD(subst2->GlyphCount) > 0) {
ret = TRUE;
break;
}
}
else
WARN("Unknown Single Substitution Format, %u\n", index);
}
else
WARN("Unknown Single Substitution Format, %u\n", index);
}
}

65
dlls/dwrite/tests/font.c
View File

@ -6381,7 +6381,7 @@ static BOOL has_vertical_glyph_variants(IDWriteFontFace1 *fontface)
for (i = 0; i < GET_BE_WORD(featurelist->FeatureCount); i++) {
if (*(UINT32*)featurelist->FeatureRecord[i].FeatureTag == DWRITE_FONT_FEATURE_TAG_VERTICAL_WRITING) {
const OT_Feature *feature = (const OT_Feature*)((BYTE*)featurelist + GET_BE_WORD(featurelist->FeatureRecord[i].Feature));
UINT16 lookup_count = GET_BE_WORD(feature->LookupCount), index, count, type;
UINT16 lookup_count = GET_BE_WORD(feature->LookupCount), i, index, count, type;
const GSUB_SingleSubstFormat2 *subst2;
const OT_LookupTable *lookup_table;
UINT32 offset;
@ -6389,44 +6389,43 @@ static BOOL has_vertical_glyph_variants(IDWriteFontFace1 *fontface)
if (lookup_count == 0)
continue;
ok(lookup_count == 1, "got lookup count %u\n", lookup_count);
for (i = 0; i < lookup_count; i++) {
/* check if lookup is empty */
index = GET_BE_WORD(feature->LookupListIndex[i]);
lookup_table = (const OT_LookupTable*)((BYTE*)lookup_list + GET_BE_WORD(lookup_list->Lookup[index]));
/* check if lookup is empty */
index = GET_BE_WORD(feature->LookupListIndex[0]);
lookup_table = (const OT_LookupTable*)((BYTE*)lookup_list + GET_BE_WORD(lookup_list->Lookup[index]));
type = GET_BE_WORD(lookup_table->LookupType);
ok(type == 1 || type == 7, "got unexpected lookup type %u\n", type);
type = GET_BE_WORD(lookup_table->LookupType);
ok(type == 1 || type == 7, "got unexpected lookup type %u\n", type);
count = GET_BE_WORD(lookup_table->SubTableCount);
if (count == 0)
continue;
ok(count > 0, "got unexpected subtable count %u\n", count);
count = GET_BE_WORD(lookup_table->SubTableCount);
if (count == 0)
continue;
ok(count > 0, "got unexpected subtable count %u\n", count);
offset = GET_BE_WORD(lookup_table->SubTable[0]);
if (type == 7) {
const GSUB_ExtensionPosFormat1 *ext = (const GSUB_ExtensionPosFormat1 *)((const BYTE *)lookup_table + offset);
if (GET_BE_WORD(ext->SubstFormat) == 1)
offset += GET_BE_DWORD(ext->ExtensionOffset);
else
ok(0, "Unhandled Extension Substitution Format %u\n", GET_BE_WORD(ext->SubstFormat));
}
subst2 = (const GSUB_SingleSubstFormat2*)((BYTE*)lookup_table + offset);
index = GET_BE_WORD(subst2->SubstFormat);
if (index == 1)
ok(0, "validate Single Substitution Format 1\n");
else if (index == 2) {
/* SimSun-ExtB has 0 glyph count for this substitution */
if (GET_BE_WORD(subst2->GlyphCount) > 0) {
ret = TRUE;
break;
offset = GET_BE_WORD(lookup_table->SubTable[0]);
if (type == 7) {
const GSUB_ExtensionPosFormat1 *ext = (const GSUB_ExtensionPosFormat1 *)((const BYTE *)lookup_table + offset);
if (GET_BE_WORD(ext->SubstFormat) == 1)
offset += GET_BE_DWORD(ext->ExtensionOffset);
else
ok(0, "Unhandled Extension Substitution Format %u\n", GET_BE_WORD(ext->SubstFormat));
}
subst2 = (const GSUB_SingleSubstFormat2*)((BYTE*)lookup_table + offset);
index = GET_BE_WORD(subst2->SubstFormat);
if (index == 1)
ok(0, "validate Single Substitution Format 1\n");
else if (index == 2) {
/* SimSun-ExtB has 0 glyph count for this substitution */
if (GET_BE_WORD(subst2->GlyphCount) > 0) {
ret = TRUE;
break;
}
}
else
ok(0, "unknown Single Substitution Format, %u\n", index);
}
else
ok(0, "unknown Single Substitution Format, %u\n", index);
}
}