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// 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_CFF_H_
#define OTS_CFF_H_
#include "ots.h"
#include <map>
#include <string>
#include <vector>
#undef major // glibc defines major!
namespace ots {
struct CFFIndex {
CFFIndex()
: count(0), off_size(0), offset_to_next(0) {}
uint32_t count;
uint8_t off_size;
std::vector<uint32_t> offsets;
uint32_t offset_to_next;
};
typedef std::map<uint32_t, uint16_t> CFFFDSelect;
class OpenTypeCFF : public Table {
public:
explicit OpenTypeCFF(Font *font, uint32_t tag)
: Table(font, tag, tag),
major(0),
font_dict_length(0),
charstrings_index(NULL),
local_subrs(NULL),
m_data(NULL),
m_length(0) {
}
~OpenTypeCFF();
bool Parse(const uint8_t *data, size_t length);
bool Serialize(OTSStream *out);
// Major version number.
uint8_t major;
// Name INDEX. This name is used in name.cc as a postscript font name.
std::string name;
// The number of fonts the file has.
size_t font_dict_length;
// A map from glyph # to font #.
CFFFDSelect fd_select;
// A list of char strings.
CFFIndex* charstrings_index;
// A list of Local Subrs associated with FDArrays. Can be empty.
std::vector<CFFIndex *> local_subrs_per_font;
// A Local Subrs associated with Top DICT. Can be NULL.
CFFIndex *local_subrs;
// CFF2 VariationStore regionIndexCount.
std::vector<uint16_t> region_index_count;
// CFF2 vsindex: per FontDICT->PrivateDICT
// default of 0 is stored for each font if not
// explicitly set in Font's PrivateDICT.
std::vector<int32_t> vsindex_per_font;
protected:
bool ValidateFDSelect(uint16_t num_glyphs);
private:
const uint8_t *m_data;
size_t m_length;
};
class OpenTypeCFF2 : public OpenTypeCFF {
public:
explicit OpenTypeCFF2(Font *font, uint32_t tag)
: OpenTypeCFF(font, tag),
m_data(NULL),
m_length(0) {
}
bool Parse(const uint8_t *data, size_t length);
bool Serialize(OTSStream *out);
private:
const uint8_t *m_data;
size_t m_length;
};
} // namespace ots
#endif // OTS_CFF_H_