50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
// Copyright (c) 2009-2017 The OTS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef OTS_KERN_H_
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#define OTS_KERN_H_
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#include <vector>
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#include "ots.h"
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namespace ots {
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struct OpenTypeKERNFormat0Pair {
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uint16_t left;
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uint16_t right;
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int16_t value;
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};
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struct OpenTypeKERNFormat0 {
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uint16_t version;
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uint16_t coverage;
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uint16_t search_range;
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uint16_t entry_selector;
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uint16_t range_shift;
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std::vector<OpenTypeKERNFormat0Pair> pairs;
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};
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// Format 2 is not supported. Since the format is not supported by Windows,
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// WebFonts unlikely use it. I've checked thousands of proprietary fonts and
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// free fonts, and found no font uses the format.
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class OpenTypeKERN : public Table {
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public:
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explicit OpenTypeKERN(Font *font, uint32_t tag)
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: Table(font, tag, tag) { }
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bool Parse(const uint8_t *data, size_t length);
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bool Serialize(OTSStream *out);
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bool ShouldSerialize();
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private:
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uint16_t version;
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std::vector<OpenTypeKERNFormat0> subtables;
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};
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} // namespace ots
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#endif // OTS_KERN_H_
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