1 //========================================================================
2 //
3 // SplashFTFontFile.cc
4 //
5 //========================================================================
6 
7 //========================================================================
8 //
9 // Modified under the Poppler project - http://poppler.freedesktop.org
10 //
11 // All changes made under the Poppler project to this file are licensed
12 // under GPL version 2 or later
13 //
14 // Copyright (C) 2006 Takashi Iwai <tiwai@suse.de>
15 //
16 // To see a description of the changes please see the Changelog file that
17 // came with your tarball or type make ChangeLog if you are building from git
18 //
19 //========================================================================
20 
21 #include <config.h>
22 
23 #if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
24 
25 #ifdef USE_GCC_PRAGMAS
26 #pragma implementation
27 #endif
28 
29 #include "goo/gmem.h"
30 #include "goo/GooString.h"
31 #include "SplashFTFontEngine.h"
32 #include "SplashFTFont.h"
33 #include "SplashFTFontFile.h"
34 
35 //------------------------------------------------------------------------
36 // SplashFTFontFile
37 //------------------------------------------------------------------------
38 
loadType1Font(SplashFTFontEngine * engineA,SplashFontFileID * idA,SplashFontSrc * src,char ** encA)39 SplashFontFile *SplashFTFontFile::loadType1Font(SplashFTFontEngine *engineA,
40 						SplashFontFileID *idA,
41 						SplashFontSrc *src,
42 						char **encA) {
43   FT_Face faceA;
44   Gushort *codeToGIDA;
45   char *name;
46   int i;
47 
48   if (src->isFile) {
49     if (FT_New_Face(engineA->lib, src->fileName->getCString(), 0, &faceA))
50       return NULL;
51   } else {
52     if (FT_New_Memory_Face(engineA->lib, (const FT_Byte *)src->buf, src->bufLen, 0, &faceA))
53       return NULL;
54   }
55   codeToGIDA = (Gushort *)gmallocn(256, sizeof(int));
56   for (i = 0; i < 256; ++i) {
57     codeToGIDA[i] = 0;
58     if ((name = encA[i])) {
59       codeToGIDA[i] = (Gushort)FT_Get_Name_Index(faceA, name);
60     }
61   }
62 
63   return new SplashFTFontFile(engineA, idA, src,
64 			      faceA, codeToGIDA, 256, gFalse);
65 }
66 
loadCIDFont(SplashFTFontEngine * engineA,SplashFontFileID * idA,SplashFontSrc * src,Gushort * codeToGIDA,int codeToGIDLenA)67 SplashFontFile *SplashFTFontFile::loadCIDFont(SplashFTFontEngine *engineA,
68 					      SplashFontFileID *idA,
69 					      SplashFontSrc *src,
70 					      Gushort *codeToGIDA,
71 					      int codeToGIDLenA) {
72   FT_Face faceA;
73 
74   if (src->isFile) {
75     if (FT_New_Face(engineA->lib, src->fileName->getCString(), 0, &faceA))
76       return NULL;
77   } else {
78     if (FT_New_Memory_Face(engineA->lib, (const FT_Byte *)src->buf, src->bufLen, 0, &faceA))
79       return NULL;
80   }
81 
82   return new SplashFTFontFile(engineA, idA, src,
83 			      faceA, codeToGIDA, codeToGIDLenA, gFalse);
84 }
85 
loadTrueTypeFont(SplashFTFontEngine * engineA,SplashFontFileID * idA,SplashFontSrc * src,Gushort * codeToGIDA,int codeToGIDLenA,int faceIndexA)86 SplashFontFile *SplashFTFontFile::loadTrueTypeFont(SplashFTFontEngine *engineA,
87 						   SplashFontFileID *idA,
88 						   SplashFontSrc *src,
89 						   Gushort *codeToGIDA,
90 						   int codeToGIDLenA,
91 						   int faceIndexA) {
92   FT_Face faceA;
93 
94   if (src->isFile) {
95     if (FT_New_Face(engineA->lib, src->fileName->getCString(), faceIndexA, &faceA))
96       return NULL;
97   } else {
98     if (FT_New_Memory_Face(engineA->lib, (const FT_Byte *)src->buf, src->bufLen, faceIndexA, &faceA))
99       return NULL;
100   }
101 
102   return new SplashFTFontFile(engineA, idA, src,
103 			      faceA, codeToGIDA, codeToGIDLenA, gTrue);
104 }
105 
SplashFTFontFile(SplashFTFontEngine * engineA,SplashFontFileID * idA,SplashFontSrc * src,FT_Face faceA,Gushort * codeToGIDA,int codeToGIDLenA,GBool trueTypeA)106 SplashFTFontFile::SplashFTFontFile(SplashFTFontEngine *engineA,
107 				   SplashFontFileID *idA,
108 				   SplashFontSrc *src,
109 				   FT_Face faceA,
110 				   Gushort *codeToGIDA, int codeToGIDLenA,
111 				   GBool trueTypeA):
112   SplashFontFile(idA, src)
113 {
114   engine = engineA;
115   face = faceA;
116   codeToGID = codeToGIDA;
117   codeToGIDLen = codeToGIDLenA;
118   trueType = trueTypeA;
119 }
120 
~SplashFTFontFile()121 SplashFTFontFile::~SplashFTFontFile() {
122   if (face) {
123     FT_Done_Face(face);
124   }
125   if (codeToGID) {
126     gfree(codeToGID);
127   }
128 }
129 
makeFont(SplashCoord * mat,SplashCoord * textMat)130 SplashFont *SplashFTFontFile::makeFont(SplashCoord *mat,
131 				       SplashCoord *textMat) {
132   SplashFont *font;
133 
134   font = new SplashFTFont(this, mat, textMat);
135   font->initCache();
136   return font;
137 }
138 
139 #endif // HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
140