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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-11-14 10:07:01 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-11-14 10:07:01 +0100
commit0f8691a48869932cd3de5195f5211c25e4691b21 (patch)
tree829675d64c457be0b447dfbcf9534cc22f83d392 /gfx/ots/src/feat.h
parent36975f3865948f3faa959fe386e58b22783bd379 (diff)
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Issue #1288 - Part 4: Update the OpenType Sanitizer component to 8.0.0
Diffstat (limited to 'gfx/ots/src/feat.h')
-rw-r--r--gfx/ots/src/feat.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/gfx/ots/src/feat.h b/gfx/ots/src/feat.h
new file mode 100644
index 000000000..29c2656ff
--- /dev/null
+++ b/gfx/ots/src/feat.h
@@ -0,0 +1,61 @@
+// Copyright (c) 2009-2017 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_FEAT_H_
+#define OTS_FEAT_H_
+
+#include <vector>
+#include <unordered_set>
+
+#include "ots.h"
+#include "graphite.h"
+
+namespace ots {
+
+class OpenTypeFEAT : public Table {
+ public:
+ explicit OpenTypeFEAT(Font* font, uint32_t tag)
+ : Table(font, tag, tag) { }
+
+ bool Parse(const uint8_t* data, size_t length);
+ bool Serialize(OTSStream* out);
+ bool IsValidFeatureId(uint32_t id) const;
+
+ private:
+ struct FeatureDefn : public TablePart<OpenTypeFEAT> {
+ explicit FeatureDefn(OpenTypeFEAT* parent)
+ : TablePart<OpenTypeFEAT>(parent) { }
+ bool ParsePart(Buffer& table);
+ bool SerializePart(OTSStream* out) const;
+ uint32_t id;
+ uint16_t numSettings;
+ uint16_t reserved;
+ uint32_t offset;
+ uint16_t flags;
+ static const uint16_t HAS_DEFAULT_SETTING = 0x4000;
+ static const uint16_t RESERVED = 0x3F00;
+ static const uint16_t DEFAULT_SETTING = 0x00FF;
+ uint16_t label;
+ };
+ struct FeatureSettingDefn : public TablePart<OpenTypeFEAT> {
+ explicit FeatureSettingDefn(OpenTypeFEAT* parent)
+ : TablePart<OpenTypeFEAT>(parent) { }
+ bool ParsePart(Buffer& table) { return ParsePart(table, true); }
+ bool ParsePart(Buffer& table, bool used);
+ bool SerializePart(OTSStream* out) const;
+ int16_t value;
+ uint16_t label;
+ };
+ uint32_t version;
+ uint16_t numFeat;
+ uint16_t reserved;
+ uint32_t reserved2;
+ std::vector<FeatureDefn> features;
+ std::vector<FeatureSettingDefn> featSettings;
+ std::unordered_set<uint32_t> feature_ids;
+};
+
+} // namespace ots
+
+#endif // OTS_FEAT_H_