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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
//========================================================================
//
// SplashFTFontEngine.cc
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2006 Takashi Iwai <tiwai@suse.de>
// Copyright (C) 2009, 2011, 2012 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com>
// Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com>
// Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2019 Christian Persch <chpe@src.gnome.org>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include <config.h>
#include <cstdio>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "goo/gmem.h"
#include "goo/GooString.h"
#include "goo/gfile.h"
#include "fofi/FoFiTrueType.h"
#include "fofi/FoFiType1C.h"
#include "SplashFTFontFile.h"
#include "SplashFTFontEngine.h"
//------------------------------------------------------------------------
// SplashFTFontEngine
//------------------------------------------------------------------------
SplashFTFontEngine::SplashFTFontEngine(bool aaA, bool enableFreeTypeHintingA,
bool enableSlightHintingA, FT_Library libA) {
FT_Int major, minor, patch;
aa = aaA;
enableFreeTypeHinting = enableFreeTypeHintingA;
enableSlightHinting = enableSlightHintingA;
lib = libA;
// as of FT 2.1.8, CID fonts are indexed by CID instead of GID
FT_Library_Version(lib, &major, &minor, &patch);
useCIDs = major > 2 ||
(major == 2 && (minor > 1 || (minor == 1 && patch > 7)));
}
SplashFTFontEngine *SplashFTFontEngine::init(bool aaA, bool enableFreeTypeHintingA,
bool enableSlightHintingA) {
FT_Library libA;
if (FT_Init_FreeType(&libA)) {
return nullptr;
}
return new SplashFTFontEngine(aaA, enableFreeTypeHintingA, enableSlightHintingA, libA);
}
SplashFTFontEngine::~SplashFTFontEngine() {
FT_Done_FreeType(lib);
}
SplashFontFile *SplashFTFontEngine::loadType1Font(SplashFontFileID *idA,
SplashFontSrc *src,
const char **enc) {
return SplashFTFontFile::loadType1Font(this, idA, src, enc);
}
SplashFontFile *SplashFTFontEngine::loadType1CFont(SplashFontFileID *idA,
SplashFontSrc *src,
const char **enc) {
return SplashFTFontFile::loadType1Font(this, idA, src, enc);
}
SplashFontFile *SplashFTFontEngine::loadOpenTypeT1CFont(SplashFontFileID *idA,
SplashFontSrc *src,
const char **enc) {
return SplashFTFontFile::loadType1Font(this, idA, src, enc);
}
SplashFontFile *SplashFTFontEngine::loadCIDFont(SplashFontFileID *idA,
SplashFontSrc *src) {
FoFiType1C *ff;
int *cidToGIDMap;
int nCIDs;
SplashFontFile *ret;
// check for a CFF font
if (useCIDs) {
cidToGIDMap = nullptr;
nCIDs = 0;
} else {
if (src->isFile) {
ff = FoFiType1C::load(src->fileName->c_str());
} else {
ff = FoFiType1C::make(src->buf, src->bufLen);
}
if (ff) {
cidToGIDMap = ff->getCIDToGIDMap(&nCIDs);
delete ff;
} else {
cidToGIDMap = nullptr;
nCIDs = 0;
}
}
ret = SplashFTFontFile::loadCIDFont(this, idA, src, cidToGIDMap, nCIDs);
if (!ret) {
gfree(cidToGIDMap);
}
return ret;
}
SplashFontFile *SplashFTFontEngine::loadOpenTypeCFFFont(SplashFontFileID *idA,
SplashFontSrc *src,
int *codeToGID,
int codeToGIDLen) {
FoFiTrueType *ff;
int *cidToGIDMap;
int nCIDs;
SplashFontFile *ret;
cidToGIDMap = nullptr;
nCIDs = 0;
if (!codeToGID) {
if (!useCIDs) {
if (src->isFile) {
ff = FoFiTrueType::load(src->fileName->c_str());
} else {
ff = FoFiTrueType::make(src->buf, src->bufLen);
}
if (ff) {
if (ff->isOpenTypeCFF()) {
cidToGIDMap = ff->getCIDToGIDMap(&nCIDs);
}
delete ff;
}
}
}
ret = SplashFTFontFile::loadCIDFont(this, idA, src,
codeToGID ? codeToGID : cidToGIDMap,
codeToGID ? codeToGIDLen : nCIDs);
if (!ret) {
gfree(cidToGIDMap);
}
return ret;
}
SplashFontFile *SplashFTFontEngine::loadTrueTypeFont(SplashFontFileID *idA,
SplashFontSrc *src,
int *codeToGID,
int codeToGIDLen,
int faceIndex) {
SplashFontFile *ret;
ret = SplashFTFontFile::loadTrueTypeFont(this, idA, src,
codeToGID, codeToGIDLen,
faceIndex);
return ret;
}
|
