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ef416fc2 | 1 | //======================================================================== |
2 | // | |
3 | // SplashFTFontEngine.cc | |
4 | // | |
5 | //======================================================================== | |
6 | ||
7 | #include <config.h> | |
8 | ||
9 | #if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H | |
10 | ||
11 | #ifdef USE_GCC_PRAGMAS | |
12 | #pragma implementation | |
13 | #endif | |
14 | ||
15 | #include <stdio.h> | |
16 | #ifndef WIN32 | |
17 | # include <unistd.h> | |
18 | #endif | |
19 | #include "gmem.h" | |
20 | #include "GString.h" | |
21 | #include "gfile.h" | |
22 | #include "FoFiTrueType.h" | |
23 | #include "FoFiType1C.h" | |
24 | #include "SplashFTFontFile.h" | |
25 | #include "SplashFTFontEngine.h" | |
26 | ||
27 | #ifdef VMS | |
28 | #if (__VMS_VER < 70000000) | |
29 | extern "C" int unlink(char *filename); | |
30 | #endif | |
31 | #endif | |
32 | ||
33 | //------------------------------------------------------------------------ | |
34 | ||
35 | static void fileWrite(void *stream, char *data, int len) { | |
36 | fwrite(data, 1, len, (FILE *)stream); | |
37 | } | |
38 | ||
39 | //------------------------------------------------------------------------ | |
40 | // SplashFTFontEngine | |
41 | //------------------------------------------------------------------------ | |
42 | ||
43 | SplashFTFontEngine::SplashFTFontEngine(GBool aaA, FT_Library libA) { | |
44 | FT_Int major, minor, patch; | |
45 | ||
46 | aa = aaA; | |
47 | lib = libA; | |
48 | ||
49 | // as of FT 2.1.8, CID fonts are indexed by CID instead of GID | |
50 | FT_Library_Version(lib, &major, &minor, &patch); | |
51 | useCIDs = major > 2 || | |
52 | (major == 2 && (minor > 1 || (minor == 1 && patch > 7))); | |
53 | } | |
54 | ||
55 | SplashFTFontEngine *SplashFTFontEngine::init(GBool aaA) { | |
56 | FT_Library libA; | |
57 | ||
58 | if (FT_Init_FreeType(&libA)) { | |
59 | return NULL; | |
60 | } | |
61 | return new SplashFTFontEngine(aaA, libA); | |
62 | } | |
63 | ||
64 | SplashFTFontEngine::~SplashFTFontEngine() { | |
65 | FT_Done_FreeType(lib); | |
66 | } | |
67 | ||
68 | SplashFontFile *SplashFTFontEngine::loadType1Font(SplashFontFileID *idA, | |
69 | char *fileName, | |
70 | GBool deleteFile, | |
71 | char **enc) { | |
72 | return SplashFTFontFile::loadType1Font(this, idA, fileName, deleteFile, enc); | |
73 | } | |
74 | ||
75 | SplashFontFile *SplashFTFontEngine::loadType1CFont(SplashFontFileID *idA, | |
76 | char *fileName, | |
77 | GBool deleteFile, | |
78 | char **enc) { | |
79 | return SplashFTFontFile::loadType1Font(this, idA, fileName, deleteFile, enc); | |
80 | } | |
81 | ||
82 | SplashFontFile *SplashFTFontEngine::loadCIDFont(SplashFontFileID *idA, | |
83 | char *fileName, | |
84 | GBool deleteFile) { | |
85 | FoFiType1C *ff; | |
86 | Gushort *cidToGIDMap; | |
87 | int nCIDs; | |
88 | SplashFontFile *ret; | |
89 | ||
90 | // check for a CFF font | |
91 | if (useCIDs) { | |
92 | cidToGIDMap = NULL; | |
93 | nCIDs = 0; | |
94 | } else if ((ff = FoFiType1C::load(fileName))) { | |
95 | cidToGIDMap = ff->getCIDToGIDMap(&nCIDs); | |
96 | delete ff; | |
97 | } else { | |
98 | cidToGIDMap = NULL; | |
99 | nCIDs = 0; | |
100 | } | |
101 | ret = SplashFTFontFile::loadCIDFont(this, idA, fileName, deleteFile, | |
102 | cidToGIDMap, nCIDs); | |
103 | if (!ret) { | |
104 | gfree(cidToGIDMap); | |
105 | } | |
106 | return ret; | |
107 | } | |
108 | ||
109 | SplashFontFile *SplashFTFontEngine::loadTrueTypeFont(SplashFontFileID *idA, | |
110 | char *fileName, | |
111 | GBool deleteFile, | |
112 | Gushort *codeToGID, | |
113 | int codeToGIDLen) { | |
114 | FoFiTrueType *ff; | |
115 | GString *tmpFileName; | |
116 | FILE *tmpFile; | |
117 | SplashFontFile *ret; | |
118 | ||
119 | if (!(ff = FoFiTrueType::load(fileName))) { | |
120 | return NULL; | |
121 | } | |
122 | tmpFileName = NULL; | |
123 | if (!openTempFile(&tmpFileName, &tmpFile, "wb", NULL)) { | |
124 | delete ff; | |
125 | return NULL; | |
126 | } | |
127 | ff->writeTTF(&fileWrite, tmpFile); | |
128 | delete ff; | |
129 | fclose(tmpFile); | |
130 | ret = SplashFTFontFile::loadTrueTypeFont(this, idA, | |
131 | tmpFileName->getCString(), | |
132 | gTrue, codeToGID, codeToGIDLen); | |
133 | if (ret) { | |
134 | if (deleteFile) { | |
135 | unlink(fileName); | |
136 | } | |
137 | } else { | |
138 | unlink(tmpFileName->getCString()); | |
139 | } | |
140 | delete tmpFileName; | |
141 | return ret; | |
142 | } | |
143 | ||
144 | #endif // HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H |