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ots: update to 5.2.0

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This commit is contained in:
Roy Tam 2019-02-22 21:48:44 +08:00
commit 7b436ee364
85 changed files with 7618 additions and 2539 deletions
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40
gfx/ots/src/metrics.h
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@ -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.
@ -13,7 +13,14 @@
namespace ots {
struct OpenTypeMetricsHeader {
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;
@ -28,27 +35,22 @@ struct OpenTypeMetricsHeader {
uint16_t num_metrics;
};
struct OpenTypeMetricsTable {
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;
};
bool ParseMetricsHeader(Font *font, Buffer *table,
OpenTypeMetricsHeader *header);
bool SerialiseMetricsHeader(const ots::Font *font,
OTSStream *out,
const OpenTypeMetricsHeader *header);
bool ParseMetricsTable(const ots::Font *font,
Buffer *table,
const uint16_t num_glyphs,
const OpenTypeMetricsHeader *header,
OpenTypeMetricsTable *metrics);
bool SerialiseMetricsTable(const ots::Font *font,
OTSStream *out,
const OpenTypeMetricsTable *metrics);
} // namespace ots
#endif // OTS_METRICS_H_