SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics(
SkAdvancedTypefaceMetrics::PerGlyphInfo info,
const uint32_t* glyphIDs,
uint32_t glyphIDsCount) const {
SkAdvancedTypefaceMetrics* result =
this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount);
if (result && result->fType == SkAdvancedTypefaceMetrics::kTrueType_Font) {
struct SkOTTableOS2 os2table;
if (this->getTableData(SkTEndian_SwapBE32(SkOTTableOS2::TAG), 0,
sizeof(os2table), &os2table) > 0) {
if (os2table.version.v2.fsType.field.Bitmap ||
(os2table.version.v2.fsType.field.Restricted &&
!(os2table.version.v2.fsType.field.PreviewPrint ||
os2table.version.v2.fsType.field.Editable))) {
result->fFlags = SkTBitOr<SkAdvancedTypefaceMetrics::FontFlags>(
result->fFlags,
SkAdvancedTypefaceMetrics::kNotEmbeddable_FontFlag);
}
if (os2table.version.v2.fsType.field.NoSubsetting) {
result->fFlags = SkTBitOr<SkAdvancedTypefaceMetrics::FontFlags>(
result->fFlags,
SkAdvancedTypefaceMetrics::kNotSubsettable_FontFlag);
}
}
}
return result;
}
SkAdvancedTypefaceMetrics* SkTypeface::getAdvancedTypefaceMetrics(
PerGlyphInfo info,
const uint32_t* glyphIDs,
uint32_t glyphIDsCount) const {
SkAdvancedTypefaceMetrics* result =
this->onGetAdvancedTypefaceMetrics(info, glyphIDs, glyphIDsCount);
if (result && result->fType == SkAdvancedTypefaceMetrics::kTrueType_Font) {
SkOTTableOS2::Version::V2::Type::Field fsType;
constexpr SkFontTableTag os2Tag = SkTEndian_SwapBE32(SkOTTableOS2::TAG);
constexpr size_t fsTypeOffset = offsetof(SkOTTableOS2::Version::V2, fsType);
if (this->getTableData(os2Tag, fsTypeOffset, sizeof(fsType), &fsType) == sizeof(fsType)) {
if (fsType.Bitmap || (fsType.Restricted && !(fsType.PreviewPrint || fsType.Editable))) {
result->fFlags |= SkAdvancedTypefaceMetrics::kNotEmbeddable_FontFlag;
}
if (fsType.NoSubsetting) {
result->fFlags |= SkAdvancedTypefaceMetrics::kNotSubsettable_FontFlag;
}
}
}
return result;
}