source/libs/poppler/poppler-src/splash/SplashT1FontFile.cc

   1 //========================================================================
   2 //
   3 // SplashT1FontFile.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 // Copyright (C) 2009 Albert Astals Cid <aacid@kde.org>
  16 //
  17 // To see a description of the changes please see the Changelog file that
  18 // came with your tarball or type make ChangeLog if you are building from git
  19 //
  20 //========================================================================
  21
  22 #include <config.h>
  23
  24 #if HAVE_T1LIB_H
  25
  26 #ifdef USE_GCC_PRAGMAS
  27 #pragma implementation
  28 #endif
  29
  30 #include <string.h>
  31 #include <t1lib.h>
  32 #include "goo/GooString.h"
  33 #include "goo/gfile.h"
  34 #include "goo/gmem.h"
  35 #include "SplashT1FontEngine.h"
  36 #include "SplashT1Font.h"
  37 #include "SplashT1FontFile.h"
  38
  39 //------------------------------------------------------------------------
  40 // SplashT1FontFile
  41 //------------------------------------------------------------------------
  42
  43 SplashFontFile *SplashT1FontFile::loadType1Font(SplashT1FontEngine *engineA,
  44                                                 SplashFontFileID *idA,
  45                                                 SplashFontSrc *src,
  46                                                 const char **encA) {
  47   int t1libIDA;
  48   const char **encTmp;
  49   char *encStrTmp;
  50   int encStrSize;
  51   char *encPtr;
  52   int i;
  53
  54   GooString *fileNameA;
  55   SplashFontSrc *newsrc = NULL;
  56   SplashFontFile *ff;
  57
  58   if (! src->isFile) {
  59     GooString *tmpFileName;
  60     FILE *tmpFile;
  61     if (!openTempFile(&tmpFileName, &tmpFile, "wb"))
  62       return NULL;
  63     fwrite(src->buf, 1, src->bufLen, tmpFile);
  64     fclose(tmpFile);
  65     newsrc = new SplashFontSrc;
  66     newsrc->setFile(tmpFileName, gTrue);
  67     src = newsrc;
  68     delete tmpFileName;
  69   }
  70   fileNameA = src->fileName;
  71   // load the font file
  72   if ((t1libIDA = T1_AddFont(fileNameA->getCString())) < 0) {
  73     delete newsrc;
  74     return NULL;
  75   }
  76   T1_LoadFont(t1libIDA);
  77
  78   // reencode it
  79   encStrSize = 0;
  80   for (i = 0; i < 256; ++i) {
  81     if (encA[i]) {
  82       encStrSize += strlen(encA[i]) + 1;
  83     }
  84   }
  85   encTmp = (const char **)gmallocn(257, sizeof(char *));
  86   encStrTmp = (char *)gmallocn(encStrSize, sizeof(char));
  87   encPtr = encStrTmp;
  88   for (i = 0; i < 256; ++i) {
  89     if (encA[i]) {
  90       strcpy(encPtr, encA[i]);
  91       encTmp[i] = encPtr;
  92       encPtr += strlen(encPtr) + 1;
  93     } else {
  94       encTmp[i] = ".notdef";
  95     }
  96   }
  97   encTmp[256] = "custom";
  98   T1_ReencodeFont(t1libIDA, (char **)encTmp);
  99
 100   ff = new SplashT1FontFile(engineA, idA, src,
 101                               t1libIDA, encTmp, encStrTmp);
 102   if (newsrc)
 103     newsrc->unref();
 104   return ff;
 105 }
 106
 107 SplashT1FontFile::SplashT1FontFile(SplashT1FontEngine *engineA,
 108                                    SplashFontFileID *idA,
 109                                    SplashFontSrc *srcA,
 110                                    int t1libIDA, const char **encA, char *encStrA):
 111   SplashFontFile(idA, srcA)
 112 {
 113   engine = engineA;
 114   t1libID = t1libIDA;
 115   enc = encA;
 116   encStr = encStrA;
 117 }
 118
 119 SplashT1FontFile::~SplashT1FontFile() {
 120   gfree(encStr);
 121   gfree(enc);
 122   T1_DeleteFont(t1libID);
 123 }
 124
 125 SplashFont *SplashT1FontFile::makeFont(SplashCoord *mat,
 126                                        SplashCoord *textMat) {
 127   SplashFont *font;
 128
 129   font = new SplashT1Font(this, mat, textMat);
 130   font->initCache();
 131   return font;
 132 }
 133
 134 #endif // HAVE_T1LIB_H