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-rw-r--r--gfx/ots/src/layout.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/gfx/ots/src/layout.h b/gfx/ots/src/layout.h
index d195646d4..d10a3be5b 100644
--- a/gfx/ots/src/layout.h
+++ b/gfx/ots/src/layout.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011-2017 The OTS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@@ -12,6 +12,8 @@
namespace ots {
+// The maximum number of class value.
+const uint16_t kMaxClassDefValue = 0xFFFF;
struct LookupSubtableParser {
struct TypeParser {
@@ -70,6 +72,23 @@ bool ParseExtensionSubtable(const Font *font,
const uint8_t *data, const size_t length,
const LookupSubtableParser* parser);
+// For feature variations table (in GSUB/GPOS v1.1)
+bool ParseConditionTable(const Font *font,
+ const uint8_t *data, const size_t length,
+ const uint16_t axis_count);
+
+bool ParseConditionSetTable(const Font *font,
+ const uint8_t *data, const size_t length,
+ const uint16_t axis_count);
+
+bool ParseFeatureTableSubstitutionTable(const Font *font,
+ const uint8_t *data, const size_t length,
+ const uint16_t num_lookups);
+
+bool ParseFeatureVariationsTable(const Font *font,
+ const uint8_t *data, const size_t length,
+ const uint16_t num_lookups);
+
} // namespace ots
#endif // OTS_LAYOUT_H_