1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// 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_GLYF_H_
#define OTS_GLYF_H_
#include <new>
#include <utility>
#include <vector>
#include "ots.h"
namespace ots {
class OpenTypeMAXP;
class OpenTypeGLYF : public Table {
public:
explicit OpenTypeGLYF(Font *font, uint32_t tag)
: Table(font, tag, tag), maxp(NULL) { }
~OpenTypeGLYF() {
for (auto* p : fixed_bboxes) {
delete[] p;
}
}
bool Parse(const uint8_t *data, size_t length);
bool Serialize(OTSStream *out);
private:
struct GidAtLevel {
uint16_t gid;
uint32_t level;
};
struct ComponentPointCount {
ComponentPointCount() : accumulated_component_points(0) {};
uint32_t accumulated_component_points;
std::vector<GidAtLevel> gid_stack;
};
bool ParseFlagsForSimpleGlyph(Buffer &glyph,
uint32_t num_flags,
std::vector<uint8_t>& flags,
uint32_t *flag_index,
uint32_t *coordinates_length);
bool ParseSimpleGlyph(Buffer &glyph,
unsigned gid,
int16_t num_contours,
int16_t xmin,
int16_t ymin,
int16_t xmax,
int16_t ymax,
bool is_tricky_font);
bool ParseCompositeGlyph(
Buffer &glyph,
ComponentPointCount* component_point_count);
bool TraverseComponentsCountingPoints(
Buffer& glyph,
uint16_t base_glyph_id,
uint32_t level,
ComponentPointCount* component_point_count);
Buffer GetGlyphBufferSection(
const uint8_t *data,
size_t length,
const std::vector<uint32_t>& loca_offsets,
unsigned glyph_id);
OpenTypeMAXP* maxp;
std::vector<std::pair<const uint8_t*, size_t> > iov;
std::vector<uint8_t*> fixed_bboxes;
};
} // namespace ots
#endif // OTS_GLYF_H_
|
