pdf/splash/SplashT1FontFile.cc

   1 //========================================================================
   2 //
   3 // SplashT1FontFile.cc
   4 //
   5 //========================================================================
   6
   7 #include <aconf.h>
   8
   9 #if HAVE_T1LIB_H
  10
  11 #ifdef USE_GCC_PRAGMAS
  12 #pragma implementation
  13 #endif
  14
  15 #include <string.h>
  16 #include <t1lib.h>
  17 #include "gmem.h"
  18 #include "SplashT1FontEngine.h"
  19 #include "SplashT1Font.h"
  20 #include "SplashT1FontFile.h"
  21
  22 //------------------------------------------------------------------------
  23 // SplashT1FontFile
  24 //------------------------------------------------------------------------
  25
  26 SplashFontFile *SplashT1FontFile::loadType1Font(SplashT1FontEngine *engineA,
  27                                                 SplashFontFileID *idA,
  28                                                 char *fileNameA,
  29                                                 GBool deleteFileA,
  30                                                 char **encA) {
  31   int t1libIDA;
  32   char **encTmp;
  33   char *encStrTmp;
  34   int encStrSize;
  35   char *encPtr;
  36   int i;
  37
  38   // load the font file
  39   if ((t1libIDA = T1_AddFont(fileNameA)) < 0) {
  40     return NULL;
  41   }
  42   T1_LoadFont(t1libIDA);
  43
  44   // reencode it
  45   encStrSize = 0;
  46   for (i = 0; i < 256; ++i) {
  47     if (encA[i]) {
  48       encStrSize += strlen(encA[i]) + 1;
  49     }
  50   }
  51   encTmp = (char **)gmalloc(257 * sizeof(char *));
  52   encStrTmp = (char *)gmalloc(encStrSize * sizeof(char));
  53   encPtr = encStrTmp;
  54   for (i = 0; i < 256; ++i) {
  55     if (encA[i]) {
  56       strcpy(encPtr, encA[i]);
  57       encTmp[i] = encPtr;
  58       encPtr += strlen(encPtr) + 1;
  59     } else {
  60       encTmp[i] = ".notdef";
  61     }
  62   }
  63   encTmp[256] = "custom";
  64   T1_ReencodeFont(t1libIDA, encTmp);
  65
  66   return new SplashT1FontFile(engineA, idA, fileNameA, deleteFileA,
  67                               t1libIDA, encTmp, encStrTmp);
  68 }
  69
  70 SplashT1FontFile::SplashT1FontFile(SplashT1FontEngine *engineA,
  71                                    SplashFontFileID *idA,
  72                                    char *fileNameA, GBool deleteFileA,
  73                                    int t1libIDA, char **encA, char *encStrA):
  74   SplashFontFile(idA, fileNameA, deleteFileA)
  75 {
  76   engine = engineA;
  77   t1libID = t1libIDA;
  78   enc = encA;
  79   encStr = encStrA;
  80 }
  81
  82 SplashT1FontFile::~SplashT1FontFile() {
  83   gfree(encStr);
  84   gfree(enc);
  85   T1_DeleteFont(t1libID);
  86 }
  87
  88 SplashFont *SplashT1FontFile::makeFont(SplashCoord *mat) {
  89   SplashFont *font;
  90
  91   font = new SplashT1Font(this, mat);
  92   font->initCache();
  93   return font;
  94 }
  95
  96 #endif // HAVE_T1LIB_H