1 files changed, 56 insertions, 0 deletions
diff --git a/gfx/ots/src/metrics.h b/gfx/ots/src/metrics.h
new file mode 100644
index 0000000000..efe14c0709
--- /dev/null
+++ b/gfx/ots/src/metrics.h
@@ -0,0 +1,56 @@
+// 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.
+
+#ifndef OTS_METRICS_H_
+#define OTS_METRICS_H_
+
+#include <new>
+#include <utility>
+#include <vector>
+
+#include "ots.h"
+
+namespace ots {
+
+class OpenTypeMetricsHeader : public Table {
+ public:
+  explicit OpenTypeMetricsHeader(Font *font, uint32_t tag, uint32_t type)
+      : Table(font, tag, type) { }
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
+  uint32_t version;
+  int16_t ascent;
+  int16_t descent;
+  int16_t linegap;
+  uint16_t adv_width_max;
+  int16_t min_sb1;
+  int16_t min_sb2;
+  int16_t max_extent;
+  int16_t caret_slope_rise;
+  int16_t caret_slope_run;
+  int16_t caret_offset;
+  uint16_t num_metrics;
+};
+
+struct OpenTypeMetricsTable : public Table {
+ public:
+  explicit OpenTypeMetricsTable(Font *font, uint32_t tag, uint32_t type,
+                                uint32_t header_tag)
+      : Table(font, tag, type), m_header_tag(header_tag) { }
+
+  bool Parse(const uint8_t *data, size_t length);
+  bool Serialize(OTSStream *out);
+
+ private:
+  uint32_t m_header_tag;
+
+  std::vector<std::pair<uint16_t, int16_t> > entries;
+  std::vector<int16_t> sbs;
+};
+
+}  // namespace ots
+
+#endif  // OTS_METRICS_H_