upgrade to xpdf 3.00.

[swftools.git] / pdf2swf / xpdf / FoFiType1C.cc

//========================================================================
//
// FoFiType1C.cc
//
// Copyright 1999-2003 Glyph & Cog, LLC
//
//========================================================================

#include <aconf.h>

#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif

#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "gmem.h"
#include "GString.h"
#include "FoFiEncodings.h"
#include "FoFiType1C.h"

//------------------------------------------------------------------------

static char hexChars[17] = "0123456789ABCDEF";

//------------------------------------------------------------------------
// FoFiType1C
//------------------------------------------------------------------------

FoFiType1C *FoFiType1C::make(char *fileA, int lenA) {
  FoFiType1C *ff;

  ff = new FoFiType1C(fileA, lenA, gFalse);
  if (!ff->parse()) {
    delete ff;
    return NULL;
  }
  return ff;
}

FoFiType1C *FoFiType1C::load(char *fileName) {
  FoFiType1C *ff;
  char *fileA;
  int lenA;

  if (!(fileA = FoFiBase::readFile(fileName, &lenA))) {
    return NULL;
  }
  ff = new FoFiType1C(fileA, lenA, gTrue);
  if (!ff->parse()) {
    delete ff;
    return NULL;
  }
  return ff;
}

FoFiType1C::FoFiType1C(char *fileA, int lenA, GBool freeFileDataA):
  FoFiBase(fileA, lenA, freeFileDataA)
{
  name = NULL;
  encoding = NULL;
  privateDicts = NULL;
  fdSelect = NULL;
  charset = NULL;
}

FoFiType1C::~FoFiType1C() {
  int i;

  if (name) {
    delete name;
  }
  if (encoding &&
      encoding != fofiType1StandardEncoding &&
      encoding != fofiType1ExpertEncoding) {
    for (i = 0; i < 256; ++i) {
      gfree(encoding[i]);
    }
    gfree(encoding);
  }
  if (privateDicts) {
    gfree(privateDicts);
  }
  if (fdSelect) {
    gfree(fdSelect);
  }
  if (charset &&
      charset != fofiType1CISOAdobeCharset &&
      charset != fofiType1CExpertCharset &&
      charset != fofiType1CExpertSubsetCharset) {
    gfree(charset);
  }
}

char *FoFiType1C::getName() {
  return name ? name->getCString() : (char *)NULL;
}

char **FoFiType1C::getEncoding() {
  return encoding;
}

Gushort *FoFiType1C::getCIDToGIDMap(int *nCIDs) {
  Gushort *map;
  int n, i;

  // a CID font's top dict has ROS as the first operator
  if (topDict.firstOp != 0x0c1e) {
    *nCIDs = 0;
    return NULL;
  }

  // in a CID font, the charset data is the GID-to-CID mapping, so all
  // we have to do is reverse it
  n = 0;
  for (i = 0; i < nGlyphs; ++i) {
    if (charset[i] > n) {
      n = charset[i];
    }
  }
  ++n;
  map = (Gushort *)gmalloc(n * sizeof(Gushort));
  memset(map, 0, n * sizeof(Gushort));
  for (i = 0; i < nGlyphs; ++i) {
    map[charset[i]] = i;
  }
  *nCIDs = n;
  return map;
}

void FoFiType1C::convertToType1(char **newEncoding, GBool ascii,
                                FoFiOutputFunc outputFunc,
                                void *outputStream) {
  Type1CEexecBuf eb;
  Type1CIndex subrIdx;
  Type1CIndexVal val;
  char buf[512];
  char **enc;
  GBool ok;
  int i;

  // write header and font dictionary, up to encoding
  ok = gTrue;
  (*outputFunc)(outputStream, "%!FontType1-1.0: ", 17);
  (*outputFunc)(outputStream, name->getCString(), name->getLength());
  if (topDict.versionSID != 0) {
    getString(topDict.versionSID, buf, &ok);
    (*outputFunc)(outputStream, buf, strlen(buf));
  }
  (*outputFunc)(outputStream, "\n", 1);
  // the dictionary needs room for 12 entries: the following 9, plus
  // Private and CharStrings (in the eexec section) and FID (which is
  // added by definefont)
  (*outputFunc)(outputStream, "12 dict begin\n", 14);
  (*outputFunc)(outputStream, "/FontInfo 10 dict dup begin\n", 28);
  if (topDict.versionSID != 0) {
    (*outputFunc)(outputStream, "/version (", 10);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, ") readonly def\n", 15);
  }
  if (topDict.noticeSID != 0) {
    getString(topDict.noticeSID, buf, &ok);
    (*outputFunc)(outputStream, "/Notice (", 9);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, ") readonly def\n", 15);
  }
  if (topDict.copyrightSID != 0) {
    getString(topDict.copyrightSID, buf, &ok);
    (*outputFunc)(outputStream, "/Copyright (", 12);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, ") readonly def\n", 15);
  }
  if (topDict.fullNameSID != 0) {
    getString(topDict.fullNameSID, buf, &ok);
    (*outputFunc)(outputStream, "/FullName (", 11);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, ") readonly def\n", 15);
  }
  if (topDict.familyNameSID != 0) {
    getString(topDict.familyNameSID, buf, &ok);
    (*outputFunc)(outputStream, "/FamilyName (", 13);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, ") readonly def\n", 15);
  }
  if (topDict.weightSID != 0) {
    getString(topDict.weightSID, buf, &ok);
    (*outputFunc)(outputStream, "/Weight (", 9);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, ") readonly def\n", 15);
  }
  if (topDict.isFixedPitch) {
    (*outputFunc)(outputStream, "/isFixedPitch true def\n", 23);
  } else {
    (*outputFunc)(outputStream, "/isFixedPitch false def\n", 24);
  }
  sprintf(buf, "/ItalicAngle %g def\n", topDict.italicAngle);
  (*outputFunc)(outputStream, buf, strlen(buf));
  sprintf(buf, "/UnderlinePosition %g def\n", topDict.underlinePosition);
  (*outputFunc)(outputStream, buf, strlen(buf));
  sprintf(buf, "/UnderlineThickness %g def\n", topDict.underlineThickness);
  (*outputFunc)(outputStream, buf, strlen(buf));
  (*outputFunc)(outputStream, "end readonly def\n", 17);
  (*outputFunc)(outputStream, "/FontName /", 11);
  (*outputFunc)(outputStream, name->getCString(), name->getLength());
  (*outputFunc)(outputStream, " def\n", 5);
  sprintf(buf, "/PaintType %d def\n", topDict.paintType);
  (*outputFunc)(outputStream, buf, strlen(buf));
  (*outputFunc)(outputStream, "/FontType 1 def\n", 16);
  sprintf(buf, "/FontMatrix [%g %g %g %g %g %g] readonly def\n",
          topDict.fontMatrix[0], topDict.fontMatrix[1], topDict.fontMatrix[2],
          topDict.fontMatrix[3], topDict.fontMatrix[4], topDict.fontMatrix[5]);
  (*outputFunc)(outputStream, buf, strlen(buf));
  sprintf(buf, "/FontBBox [%g %g %g %g] readonly def\n",
          topDict.fontBBox[0], topDict.fontBBox[1],
          topDict.fontBBox[2], topDict.fontBBox[3]);
  (*outputFunc)(outputStream, buf, strlen(buf));
  sprintf(buf, "/StrokeWidth %g def\n", topDict.strokeWidth);
  (*outputFunc)(outputStream, buf, strlen(buf));
  if (topDict.uniqueID != 0) {
    sprintf(buf, "/UniqueID %d def\n", topDict.uniqueID);
    (*outputFunc)(outputStream, buf, strlen(buf));
  }

  // write the encoding
  (*outputFunc)(outputStream, "/Encoding ", 10);
  if (!newEncoding && encoding == fofiType1StandardEncoding) {
    (*outputFunc)(outputStream, "StandardEncoding def\n", 21);
  } else {
    (*outputFunc)(outputStream, "256 array\n", 10);
    (*outputFunc)(outputStream,
                  "0 1 255 {1 index exch /.notdef put} for\n", 40);
    enc = newEncoding ? newEncoding : encoding;
    for (i = 0; i < 256; ++i) {
      if (enc[i]) {
        sprintf(buf, "dup %d /%s put\n", i, enc[i]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
    }
    (*outputFunc)(outputStream, "readonly def\n", 13);
  }
  (*outputFunc)(outputStream, "currentdict end\n", 16);

  // start the binary section
  (*outputFunc)(outputStream, "currentfile eexec\n", 18);
  eb.outputFunc = outputFunc;
  eb.outputStream = outputStream;
  eb.ascii = ascii;
  eb.r1 = 55665;
  eb.line = 0;

  // write the private dictionary
  eexecWrite(&eb, "\x83\xca\x73\xd5");
  eexecWrite(&eb, "dup /Private 32 dict dup begin\n");
  eexecWrite(&eb, "/RD {string currentfile exch readstring pop}"
             " executeonly def\n");
  eexecWrite(&eb, "/ND {noaccess def} executeonly def\n");
  eexecWrite(&eb, "/NP {noaccess put} executeonly def\n");
  eexecWrite(&eb, "/MinFeature {16 16} def\n");
  eexecWrite(&eb, "/password 5839 def\n");
  if (privateDicts[0].nBlueValues) {
    eexecWrite(&eb, "/BlueValues [");
    for (i = 0; i < privateDicts[0].nBlueValues; ++i) {
      sprintf(buf, "%s%d", i > 0 ? " " : "", privateDicts[0].blueValues[i]);
      eexecWrite(&eb, buf);
    }
    eexecWrite(&eb, "] def\n");
  }
  if (privateDicts[0].nOtherBlues) {
    eexecWrite(&eb, "/OtherBlues [");
    for (i = 0; i < privateDicts[0].nOtherBlues; ++i) {
      sprintf(buf, "%s%d", i > 0 ? " " : "", privateDicts[0].otherBlues[i]);
      eexecWrite(&eb, buf);
    }
    eexecWrite(&eb, "] def\n");
  }
  if (privateDicts[0].nFamilyBlues) {
    eexecWrite(&eb, "/FamilyBlues [");
    for (i = 0; i < privateDicts[0].nFamilyBlues; ++i) {
      sprintf(buf, "%s%d", i > 0 ? " " : "", privateDicts[0].familyBlues[i]);
      eexecWrite(&eb, buf);
    }
    eexecWrite(&eb, "] def\n");
  }
  if (privateDicts[0].nFamilyOtherBlues) {
    eexecWrite(&eb, "/FamilyOtherBlues [");
    for (i = 0; i < privateDicts[0].nFamilyOtherBlues; ++i) {
      sprintf(buf, "%s%d", i > 0 ? " " : "",
              privateDicts[0].familyOtherBlues[i]);
      eexecWrite(&eb, buf);
    }
    eexecWrite(&eb, "] def\n");
  }
  if (privateDicts[0].blueScale != 0.039625) {
    sprintf(buf, "/BlueScale %g def\n", privateDicts[0].blueScale);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].blueShift != 7) {
    sprintf(buf, "/BlueShift %d def\n", privateDicts[0].blueShift);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].blueFuzz != 1) {
    sprintf(buf, "/BlueFuzz %d def\n", privateDicts[0].blueFuzz);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].hasStdHW) {
    sprintf(buf, "/StdHW [%g] def\n", privateDicts[0].stdHW);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].hasStdVW) {
    sprintf(buf, "/StdVW [%g] def\n", privateDicts[0].stdVW);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].nStemSnapH) {
    eexecWrite(&eb, "/StemSnapH [");
    for (i = 0; i < privateDicts[0].nStemSnapH; ++i) {
      sprintf(buf, "%s%g", i > 0 ? " " : "", privateDicts[0].stemSnapH[i]);
      eexecWrite(&eb, buf);
    }
    eexecWrite(&eb, "] def\n");
  }
  if (privateDicts[0].nStemSnapV) {
    eexecWrite(&eb, "/StemSnapV [");
    for (i = 0; i < privateDicts[0].nStemSnapV; ++i) {
      sprintf(buf, "%s%g", i > 0 ? " " : "", privateDicts[0].stemSnapV[i]);
      eexecWrite(&eb, buf);
    }
    eexecWrite(&eb, "] def\n");
  }
  if (privateDicts[0].hasForceBold) {
    sprintf(buf, "/ForceBold %s def\n",
            privateDicts[0].forceBold ? "true" : "false");
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].forceBoldThreshold != 0) {
    sprintf(buf, "/ForceBoldThreshold %g def\n",
            privateDicts[0].forceBoldThreshold);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].languageGroup != 0) {
    sprintf(buf, "/LanguageGroup %d def\n", privateDicts[0].languageGroup);
    eexecWrite(&eb, buf);
  }
  if (privateDicts[0].expansionFactor != 0.06) {
    sprintf(buf, "/ExpansionFactor %g def\n", privateDicts[0].expansionFactor);
    eexecWrite(&eb, buf);
  }

  // set up subroutines
  ok = gTrue;
  getIndex(privateDicts[0].subrsOffset, &subrIdx, &ok);
  if (!ok) {
    subrIdx.pos = -1;
  }

  // write the CharStrings
  sprintf(buf, "2 index /CharStrings %d dict dup begin\n", nGlyphs);
  eexecWrite(&eb, buf);
  for (i = 0; i < nGlyphs; ++i) {
    ok = gTrue;
    getIndexVal(&charStringsIdx, i, &val, &ok);
    if (ok) {
      getString(charset[i], buf, &ok);
      if (ok) {
        eexecCvtGlyph(&eb, buf, val.pos, val.len, &subrIdx, &privateDicts[0]);
      }
    }
  }
  eexecWrite(&eb, "end\n");
  eexecWrite(&eb, "end\n");
  eexecWrite(&eb, "readonly put\n");
  eexecWrite(&eb, "noaccess put\n");
  eexecWrite(&eb, "dup /FontName get exch definefont pop\n");
  eexecWrite(&eb, "mark currentfile closefile\n");

  // trailer
  if (ascii && eb.line > 0) {
    (*outputFunc)(outputStream, "\n", 1);
  }
  for (i = 0; i < 8; ++i) {
    (*outputFunc)(outputStream, "0000000000000000000000000000000000000000000000000000000000000000\n", 65);
  }
  (*outputFunc)(outputStream, "cleartomark\n", 12);
}

void FoFiType1C::convertToCIDType0(char *psName,
                                   FoFiOutputFunc outputFunc,
                                   void *outputStream) {
  int *cidMap;
  GString *charStrings;
  int *charStringOffsets;
  Type1CIndex subrIdx;
  Type1CIndexVal val;
  int nCIDs, gdBytes;
  char buf[512], buf2[512];
  GBool ok;
  int gid, offset, n, i, j, k;

  // compute the CID count and build the CID-to-GID mapping
  nCIDs = 0;
  for (i = 0; i < nGlyphs; ++i) {
    if (charset[i] >= nCIDs) {
      nCIDs = charset[i] + 1;
    }
  }
  cidMap = (int *)gmalloc(nCIDs * sizeof(int));
  for (i = 0; i < nCIDs; ++i) {
    cidMap[i] = -1;
  }
  for (i = 0; i < nGlyphs; ++i) {
    cidMap[charset[i]] = i;
  }

  // build the charstrings
  charStrings = new GString();
  charStringOffsets = (int *)gmalloc((nCIDs + 1) * sizeof(int));
  for (i = 0; i < nCIDs; ++i) {
    charStringOffsets[i] = charStrings->getLength();
    if ((gid = cidMap[i]) >= 0) {
      ok = gTrue;
      getIndexVal(&charStringsIdx, gid, &val, &ok);
      if (ok) {
        getIndex(privateDicts[fdSelect[gid]].subrsOffset, &subrIdx, &ok);
        if (!ok) {
          subrIdx.pos = -1;
        }
        cvtGlyph(val.pos, val.len, charStrings,
                 &subrIdx, &privateDicts[fdSelect[gid]], gTrue);
      }
    }
  }
  charStringOffsets[nCIDs] = charStrings->getLength();

  // compute gdBytes = number of bytes needed for charstring offsets
  // (offset size needs to account for the charstring offset table,
  // with a worst case of five bytes per entry, plus the charstrings
  // themselves)
  i = (nCIDs + 1) * 5 + charStrings->getLength();
  if (i < 0x100) {
    gdBytes = 1;
  } else if (i < 0x10000) {
    gdBytes = 2;
  } else if (i < 0x1000000) {
    gdBytes = 3;
  } else {
    gdBytes = 4;
  }

  // begin the font dictionary
  (*outputFunc)(outputStream, "/CIDInit /ProcSet findresource begin\n", 37);
  (*outputFunc)(outputStream, "20 dict begin\n", 14);
  (*outputFunc)(outputStream, "/CIDFontName /", 14);
  (*outputFunc)(outputStream, psName, strlen(psName));
  (*outputFunc)(outputStream, " def\n", 5);
  (*outputFunc)(outputStream, "/CIDFontType 0 def\n", 19);
  (*outputFunc)(outputStream, "/CIDSystemInfo 3 dict dup begin\n", 32);
  if (topDict.registrySID > 0 && topDict.orderingSID > 0) {
    ok = gTrue;
    getString(topDict.registrySID, buf, &ok);
    if (ok) {
      (*outputFunc)(outputStream, "  /Registry (", 13);
      (*outputFunc)(outputStream, buf, strlen(buf));
      (*outputFunc)(outputStream, ") def\n", 6);
    }
    ok = gTrue;
    getString(topDict.orderingSID, buf, &ok);
    if (ok) {
      (*outputFunc)(outputStream, "  /Ordering (", 13);
      (*outputFunc)(outputStream, buf, strlen(buf));
      (*outputFunc)(outputStream, ") def\n", 6);
    }
  } else {
    (*outputFunc)(outputStream, "  /Registry (Adobe) def\n", 24);
    (*outputFunc)(outputStream, "  /Ordering (Identity) def\n", 27);
  }
  sprintf(buf, "  /Supplement %d def\n", topDict.supplement);
  (*outputFunc)(outputStream, buf, strlen(buf));
  (*outputFunc)(outputStream, "end def\n", 8);
  sprintf(buf, "/FontMatrix [%g %g %g %g %g %g] def\n",
          topDict.fontMatrix[0], topDict.fontMatrix[1], topDict.fontMatrix[2],
          topDict.fontMatrix[3], topDict.fontMatrix[4], topDict.fontMatrix[5]);
  (*outputFunc)(outputStream, buf, strlen(buf));
  sprintf(buf, "/FontBBox [%g %g %g %g] def\n",
          topDict.fontBBox[0], topDict.fontBBox[1],
          topDict.fontBBox[2], topDict.fontBBox[3]);
  (*outputFunc)(outputStream, buf, strlen(buf));
  (*outputFunc)(outputStream, "/FontInfo 1 dict dup begin\n", 27);
  (*outputFunc)(outputStream, "  /FSType 8 def\n", 16);
  (*outputFunc)(outputStream, "end def\n", 8);

  // CIDFont-specific entries
  sprintf(buf, "/CIDCount %d def\n", nCIDs);
  (*outputFunc)(outputStream, buf, strlen(buf));
  (*outputFunc)(outputStream, "/FDBytes 1 def\n", 15);
  sprintf(buf, "/GDBytes %d def\n", gdBytes);
  (*outputFunc)(outputStream, buf, strlen(buf));
  (*outputFunc)(outputStream, "/CIDMapOffset 0 def\n", 20);
  if (topDict.paintType != 0) {
    sprintf(buf, "/PaintType %d def\n", topDict.paintType);
    (*outputFunc)(outputStream, buf, strlen(buf));
    sprintf(buf, "/StrokeWidth %g def\n", topDict.strokeWidth);
    (*outputFunc)(outputStream, buf, strlen(buf));
  }

  // FDArray entry
  sprintf(buf, "/FDArray %d array\n", nFDs);
  (*outputFunc)(outputStream, buf, strlen(buf));
  for (i = 0; i < nFDs; ++i) {
    sprintf(buf, "dup %d 10 dict begin\n", i);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, "/FontType 1 def\n", 16);
    (*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
    sprintf(buf, "/PaintType %d def\n", topDict.paintType);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, "/Private 32 dict begin\n", 23);
    if (privateDicts[i].nBlueValues) {
      (*outputFunc)(outputStream, "/BlueValues [", 13);
      for (j = 0; j < privateDicts[i].nBlueValues; ++j) {
        sprintf(buf, "%s%d", j > 0 ? " " : "", privateDicts[i].blueValues[j]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
      (*outputFunc)(outputStream, "] def\n", 6);
    }
    if (privateDicts[i].nOtherBlues) {
      (*outputFunc)(outputStream, "/OtherBlues [", 13);
      for (j = 0; j < privateDicts[i].nOtherBlues; ++j) {
        sprintf(buf, "%s%d", j > 0 ? " " : "", privateDicts[i].otherBlues[j]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
      (*outputFunc)(outputStream, "] def\n", 6);
    }
    if (privateDicts[i].nFamilyBlues) {
      (*outputFunc)(outputStream, "/FamilyBlues [", 14);
      for (j = 0; j < privateDicts[i].nFamilyBlues; ++j) {
        sprintf(buf, "%s%d", j > 0 ? " " : "", privateDicts[i].familyBlues[j]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
      (*outputFunc)(outputStream, "] def\n", 6);
    }
    if (privateDicts[i].nFamilyOtherBlues) {
      (*outputFunc)(outputStream, "/FamilyOtherBlues [", 19);
      for (j = 0; j < privateDicts[i].nFamilyOtherBlues; ++j) {
        sprintf(buf, "%s%d", j > 0 ? " " : "",
                privateDicts[i].familyOtherBlues[j]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
      (*outputFunc)(outputStream, "] def\n", 6);
    }
    if (privateDicts[i].blueScale != 0.039625) {
      sprintf(buf, "/BlueScale %g def\n", privateDicts[i].blueScale);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].blueShift != 7) {
      sprintf(buf, "/BlueShift %d def\n", privateDicts[i].blueShift);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].blueFuzz != 1) {
      sprintf(buf, "/BlueFuzz %d def\n", privateDicts[i].blueFuzz);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].hasStdHW) {
      sprintf(buf, "/StdHW [%g] def\n", privateDicts[i].stdHW);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].hasStdVW) {
      sprintf(buf, "/StdVW [%g] def\n", privateDicts[i].stdVW);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].nStemSnapH) {
      (*outputFunc)(outputStream, "/StemSnapH [", 12);
      for (j = 0; j < privateDicts[i].nStemSnapH; ++j) {
        sprintf(buf, "%s%g", j > 0 ? " " : "", privateDicts[i].stemSnapH[j]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
      (*outputFunc)(outputStream, "] def\n", 6);
    }
    if (privateDicts[i].nStemSnapV) {
      (*outputFunc)(outputStream, "/StemSnapV [", 12);
      for (j = 0; j < privateDicts[i].nStemSnapV; ++j) {
        sprintf(buf, "%s%g", j > 0 ? " " : "", privateDicts[i].stemSnapV[j]);
        (*outputFunc)(outputStream, buf, strlen(buf));
      }
      (*outputFunc)(outputStream, "] def\n", 6);
    }
    if (privateDicts[i].hasForceBold) {
      sprintf(buf, "/ForceBold %s def\n",
              privateDicts[i].forceBold ? "true" : "false");
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].forceBoldThreshold != 0) {
      sprintf(buf, "/ForceBoldThreshold %g def\n",
              privateDicts[i].forceBoldThreshold);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].languageGroup != 0) {
      sprintf(buf, "/LanguageGroup %d def\n", privateDicts[i].languageGroup);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (privateDicts[i].expansionFactor != 0.06) {
      sprintf(buf, "/ExpansionFactor %g def\n",
              privateDicts[i].expansionFactor);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    (*outputFunc)(outputStream, "currentdict end def\n", 20);
    (*outputFunc)(outputStream, "currentdict end put\n", 20);
  }
  (*outputFunc)(outputStream, "def\n", 4);

  // start the binary section
  offset = (nCIDs + 1) * (1 + gdBytes);
  sprintf(buf, "(Hex) %d StartData\n",
          offset + charStrings->getLength());
  (*outputFunc)(outputStream, buf, strlen(buf));

  // write the charstring offset (CIDMap) table
  for (i = 0; i <= nCIDs; i += 6) {
    for (j = 0; j < 6 && i+j <= nCIDs; ++j) {
      if (i+j < nCIDs && cidMap[i+j] >= 0) {
        buf[0] = (char)fdSelect[cidMap[i+j]];
      } else {
        buf[0] = (char)0;
      }
      n = offset + charStringOffsets[i+j];
      for (k = gdBytes; k >= 1; --k) {
        buf[k] = (char)(n & 0xff);
        n >>= 8;
      }
      for (k = 0; k <= gdBytes; ++k) {
        sprintf(buf2, "%02x", buf[k] & 0xff);
        (*outputFunc)(outputStream, buf2, 2);
      }
    }
    (*outputFunc)(outputStream, "\n", 1);
  }

  // write the charstring data
  n = charStrings->getLength();
  for (i = 0; i < n; i += 32) {
    for (j = 0; j < 32 && i+j < n; ++j) {
      sprintf(buf, "%02x", charStrings->getChar(i+j) & 0xff);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (i + 32 >= n) {
      (*outputFunc)(outputStream, ">", 1);
    }
    (*outputFunc)(outputStream, "\n", 1);
  }

  gfree(charStringOffsets);
  delete charStrings;
  gfree(cidMap);
}

void FoFiType1C::convertToType0(char *psName,
                                FoFiOutputFunc outputFunc,
                                void *outputStream) {
  int *cidMap;
  Type1CIndex subrIdx;
  Type1CIndexVal val;
  int nCIDs;
  char buf[512];
  Type1CEexecBuf eb;
  GBool ok;
  int fd, i, j, k;

  // compute the CID count and build the CID-to-GID mapping
  nCIDs = 0;
  for (i = 0; i < nGlyphs; ++i) {
    if (charset[i] >= nCIDs) {
      nCIDs = charset[i] + 1;
    }
  }
  cidMap = (int *)gmalloc(nCIDs * sizeof(int));
  for (i = 0; i < nCIDs; ++i) {
    cidMap[i] = -1;
  }
  for (i = 0; i < nGlyphs; ++i) {
    cidMap[charset[i]] = i;
  }

  // write the descendant Type 1 fonts
  for (i = 0; i < nCIDs; i += 256) {

    //~ this assumes that all CIDs in this block have the same FD --
    //~ to handle multiple FDs correctly, need to somehow divide the
    //~ font up by FD
    fd = 0;
    for (j = 0; j < 256 && i+j < nCIDs; ++j) {
      if (cidMap[i+j] >= 0) {
        fd = fdSelect[cidMap[i+j]];
        break;
      }
    }

    // font dictionary (unencrypted section)
    (*outputFunc)(outputStream, "16 dict begin\n", 14);
    (*outputFunc)(outputStream, "/FontName /", 11);
    (*outputFunc)(outputStream, psName, strlen(psName));
    sprintf(buf, "_%02x def\n", i >> 8);
    (*outputFunc)(outputStream, buf, strlen(buf));
    (*outputFunc)(outputStream, "/FontType 1 def\n", 16);
    sprintf(buf, "/FontMatrix [%g %g %g %g %g %g] def\n",
            topDict.fontMatrix[0], topDict.fontMatrix[1],
            topDict.fontMatrix[2], topDict.fontMatrix[3],
            topDict.fontMatrix[4], topDict.fontMatrix[5]);
    (*outputFunc)(outputStream, buf, strlen(buf));
    sprintf(buf, "/FontBBox [%g %g %g %g] def\n",
            topDict.fontBBox[0], topDict.fontBBox[1],
            topDict.fontBBox[2], topDict.fontBBox[3]);
    (*outputFunc)(outputStream, buf, strlen(buf));
    sprintf(buf, "/PaintType %d def\n", topDict.paintType);
    (*outputFunc)(outputStream, buf, strlen(buf));
    if (topDict.paintType != 0) {
      sprintf(buf, "/StrokeWidth %g def\n", topDict.strokeWidth);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    (*outputFunc)(outputStream, "/Encoding 256 array\n", 20);
    for (j = 0; j < 256 && i+j < nCIDs; ++j) {
      sprintf(buf, "dup %d /c%02x put\n", j, j);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    if (j < 256) {
      sprintf(buf, "%d 1 255 { 1 index exch /.notdef put } for\n", j);
      (*outputFunc)(outputStream, buf, strlen(buf));
    }
    (*outputFunc)(outputStream, "readonly def\n", 13);
    (*outputFunc)(outputStream, "currentdict end\n", 16);

    // start the binary section
    (*outputFunc)(outputStream, "currentfile eexec\n", 18);
    eb.outputFunc = outputFunc;
    eb.outputStream = outputStream;
    eb.ascii = gTrue;
    eb.r1 = 55665;
    eb.line = 0;

    // start the private dictionary
    eexecWrite(&eb, "\x83\xca\x73\xd5");
    eexecWrite(&eb, "dup /Private 32 dict dup begin\n");
    eexecWrite(&eb, "/RD {string currentfile exch readstring pop}"
               " executeonly def\n");
    eexecWrite(&eb, "/ND {noaccess def} executeonly def\n");
    eexecWrite(&eb, "/NP {noaccess put} executeonly def\n");
    eexecWrite(&eb, "/MinFeature {16 16} def\n");
    eexecWrite(&eb, "/password 5839 def\n");
    if (privateDicts[fd].nBlueValues) {
      eexecWrite(&eb, "/BlueValues [");
      for (k = 0; k < privateDicts[fd].nBlueValues; ++k) {
        sprintf(buf, "%s%d", k > 0 ? " " : "", privateDicts[fd].blueValues[k]);
        eexecWrite(&eb, buf);
      }
      eexecWrite(&eb, "] def\n");
    }
    if (privateDicts[fd].nOtherBlues) {
      eexecWrite(&eb, "/OtherBlues [");
      for (k = 0; k < privateDicts[fd].nOtherBlues; ++k) {
        sprintf(buf, "%s%d", k > 0 ? " " : "", privateDicts[fd].otherBlues[k]);
        eexecWrite(&eb, buf);
      }
      eexecWrite(&eb, "] def\n");
    }
    if (privateDicts[fd].nFamilyBlues) {
      eexecWrite(&eb, "/FamilyBlues [");
      for (k = 0; k < privateDicts[fd].nFamilyBlues; ++k) {
        sprintf(buf, "%s%d", k > 0 ? " " : "",
                privateDicts[fd].familyBlues[k]);
        eexecWrite(&eb, buf);
      }
      eexecWrite(&eb, "] def\n");
    }
    if (privateDicts[fd].nFamilyOtherBlues) {
      eexecWrite(&eb, "/FamilyOtherBlues [");
      for (k = 0; k < privateDicts[fd].nFamilyOtherBlues; ++k) {
        sprintf(buf, "%s%d", k > 0 ? " " : "",
                privateDicts[fd].familyOtherBlues[k]);
        eexecWrite(&eb, buf);
      }
      eexecWrite(&eb, "] def\n");
    }
    if (privateDicts[fd].blueScale != 0.039625) {
      sprintf(buf, "/BlueScale %g def\n", privateDicts[fd].blueScale);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].blueShift != 7) {
      sprintf(buf, "/BlueShift %d def\n", privateDicts[fd].blueShift);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].blueFuzz != 1) {
      sprintf(buf, "/BlueFuzz %d def\n", privateDicts[fd].blueFuzz);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].hasStdHW) {
      sprintf(buf, "/StdHW [%g] def\n", privateDicts[fd].stdHW);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].hasStdVW) {
      sprintf(buf, "/StdVW [%g] def\n", privateDicts[fd].stdVW);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].nStemSnapH) {
      eexecWrite(&eb, "/StemSnapH [");
      for (k = 0; k < privateDicts[fd].nStemSnapH; ++k) {
        sprintf(buf, "%s%g", k > 0 ? " " : "", privateDicts[fd].stemSnapH[k]);
        eexecWrite(&eb, buf);
      }
      eexecWrite(&eb, "] def\n");
    }
    if (privateDicts[fd].nStemSnapV) {
      eexecWrite(&eb, "/StemSnapV [");
      for (k = 0; k < privateDicts[fd].nStemSnapV; ++k) {
        sprintf(buf, "%s%g", k > 0 ? " " : "", privateDicts[fd].stemSnapV[k]);
        eexecWrite(&eb, buf);
      }
      eexecWrite(&eb, "] def\n");
    }
    if (privateDicts[fd].hasForceBold) {
      sprintf(buf, "/ForceBold %s def\n",
              privateDicts[fd].forceBold ? "true" : "false");
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].forceBoldThreshold != 0) {
      sprintf(buf, "/ForceBoldThreshold %g def\n",
              privateDicts[fd].forceBoldThreshold);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].languageGroup != 0) {
      sprintf(buf, "/LanguageGroup %d def\n", privateDicts[fd].languageGroup);
      eexecWrite(&eb, buf);
    }
    if (privateDicts[fd].expansionFactor != 0.06) {
      sprintf(buf, "/ExpansionFactor %g def\n",
              privateDicts[fd].expansionFactor);
      eexecWrite(&eb, buf);
    }

    // set up the subroutines
    ok = gTrue;
    getIndex(privateDicts[fd].subrsOffset, &subrIdx, &ok);
    if (!ok) {
      subrIdx.pos = -1;
    }

    // start the CharStrings
    sprintf(buf, "2 index /CharStrings 256 dict dup begin\n");
    eexecWrite(&eb, buf);

    // write the .notdef CharString
    ok = gTrue;
    getIndexVal(&charStringsIdx, 0, &val, &ok);
    if (ok) {
      eexecCvtGlyph(&eb, ".notdef", val.pos, val.len,
                    &subrIdx, &privateDicts[fd]);
    }

    // write the CharStrings
    for (j = 0; j < 256 && i+j < nCIDs; ++j) {
      if (cidMap[i+j] >= 0) {
        ok = gTrue;
        getIndexVal(&charStringsIdx, cidMap[i+j], &val, &ok);
        if (ok) {
          sprintf(buf, "c%02x", j);
          eexecCvtGlyph(&eb, buf, val.pos, val.len,
                        &subrIdx, &privateDicts[fd]);
        }
      }
    }
    eexecWrite(&eb, "end\n");
    eexecWrite(&eb, "end\n");
    eexecWrite(&eb, "readonly put\n");
    eexecWrite(&eb, "noaccess put\n");
    eexecWrite(&eb, "dup /FontName get exch definefont pop\n");
    eexecWrite(&eb, "mark currentfile closefile\n");

    // trailer
    if (eb.line > 0) {
      (*outputFunc)(outputStream, "\n", 1);
    }
    for (j = 0; j < 8; ++j) {
      (*outputFunc)(outputStream, "0000000000000000000000000000000000000000000000000000000000000000\n", 65);
    }
    (*outputFunc)(outputStream, "cleartomark\n", 12);
  }

  // write the Type 0 parent font
  (*outputFunc)(outputStream, "16 dict begin\n", 14);
  (*outputFunc)(outputStream, "/FontName /", 11);
  (*outputFunc)(outputStream, psName, strlen(psName));
  (*outputFunc)(outputStream, " def\n", 5);
  (*outputFunc)(outputStream, "/FontType 0 def\n", 16);
  (*outputFunc)(outputStream, "/FontMatrix [1 0 0 1 0 0] def\n", 30);
  (*outputFunc)(outputStream, "/FMapType 2 def\n", 16);
  (*outputFunc)(outputStream, "/Encoding [\n", 12);
  for (i = 0; i < nCIDs; i += 256) {
    sprintf(buf, "%d\n", i >> 8);
    (*outputFunc)(outputStream, buf, strlen(buf));
  }
  (*outputFunc)(outputStream, "] def\n", 6);
  (*outputFunc)(outputStream, "/FDepVector [\n", 14);
  for (i = 0; i < nCIDs; i += 256) {
    (*outputFunc)(outputStream, "/", 1);
    (*outputFunc)(outputStream, psName, strlen(psName));
    sprintf(buf, "_%02x findfont\n", i >> 8);
    (*outputFunc)(outputStream, buf, strlen(buf));
  }
  (*outputFunc)(outputStream, "] def\n", 6);
  (*outputFunc)(outputStream, "FontName currentdict end definefont pop\n", 40);

  gfree(cidMap);
}

void FoFiType1C::eexecCvtGlyph(Type1CEexecBuf *eb, char *glyphName,
                               int offset, int nBytes,
                               Type1CIndex *subrIdx,
                               Type1CPrivateDict *pDict) {
  char buf[512];
  GString *charBuf;

  // generate the charstring
  charBuf = new GString();
  cvtGlyph(offset, nBytes, charBuf, subrIdx, pDict, gTrue);

  sprintf(buf, "/%s %d RD ", glyphName, charBuf->getLength());
  eexecWrite(eb, buf);
  eexecWriteCharstring(eb, (Guchar *)charBuf->getCString(),
                       charBuf->getLength());
  eexecWrite(eb, " ND\n");

  delete charBuf;
}

void FoFiType1C::cvtGlyph(int offset, int nBytes, GString *charBuf,
                          Type1CIndex *subrIdx, Type1CPrivateDict *pDict,
                          GBool top) {
  Type1CIndexVal val;
  GBool ok, dFP;
  double d, dx, dy;
  Gushort r2;
  Guchar byte;
  int pos, subrBias, start, i, k;

  start = charBuf->getLength();
  if (top) {
    charBuf->append((char)73);
    charBuf->append((char)58);
    charBuf->append((char)147);
    charBuf->append((char)134);
    nOps = 0;
    nHints = 0;
    firstOp = gTrue;
  }

  pos = offset;
  while (pos < offset + nBytes) {
    ok = gTrue;
    pos = getOp(pos, gTrue, &ok);
    if (!ok) {
      break;
    }
    if (!ops[nOps - 1].isNum) {
      --nOps; // drop the operator
      switch (ops[nOps].op) {
      case 0x0001:              // hstem
        if (firstOp) {
          cvtGlyphWidth(nOps & 1, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps & 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hstem", nOps);
        }
        d = 0;
        dFP = gFalse;
        for (k = 0; k < nOps; k += 2) {
          if (ops[k+1].num < 0) {
            d += ops[k].num + ops[k+1].num;
            dFP |= ops[k].isFP | ops[k+1].isFP;
            cvtNum(d, dFP, charBuf);
            cvtNum(-ops[k+1].num, ops[k+1].isFP, charBuf);
          } else {
            d += ops[k].num;
            dFP |= ops[k].isFP;
            cvtNum(d, dFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            d += ops[k+1].num;
            dFP |= ops[k+1].isFP;
          }
          charBuf->append((char)1);
        }
        nHints += nOps / 2;
        nOps = 0;
        break;
      case 0x0003:              // vstem
        if (firstOp) {
          cvtGlyphWidth(nOps & 1, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps & 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 vstem", nOps);
        }
        d = 0;
        dFP = gFalse;
        for (k = 0; k < nOps; k += 2) {
          if (ops[k+1].num < 0) {
            d += ops[k].num + ops[k+1].num;
            dFP |= ops[k].isFP | ops[k+1].isFP;
            cvtNum(d, dFP, charBuf);
            cvtNum(-ops[k+1].num, ops[k+1].isFP, charBuf);
          } else {
            d += ops[k].num;
            dFP |= ops[k].isFP;
            cvtNum(d, dFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            d += ops[k+1].num;
            dFP |= ops[k+1].isFP;
          }
          charBuf->append((char)3);
        }
        nHints += nOps / 2;
        nOps = 0;
        break;
      case 0x0004:              // vmoveto
        if (firstOp) {
          cvtGlyphWidth(nOps == 2, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps != 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 vmoveto", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        charBuf->append((char)4);
        nOps = 0;
        break;
      case 0x0005:              // rlineto
        if (nOps < 2 || nOps % 2 != 0) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 rlineto", nOps);
        }
        for (k = 0; k < nOps; k += 2) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
          charBuf->append((char)5);
        }
        nOps = 0;
        break;
      case 0x0006:              // hlineto
        if (nOps < 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hlineto", nOps);
        }
        for (k = 0; k < nOps; ++k) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          charBuf->append((char)((k & 1) ? 7 : 6));
        }
        nOps = 0;
        break;
      case 0x0007:              // vlineto
        if (nOps < 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 vlineto", nOps);
        }
        for (k = 0; k < nOps; ++k) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          charBuf->append((char)((k & 1) ? 6 : 7));
        }
        nOps = 0;
        break;
      case 0x0008:              // rrcurveto
        if (nOps < 6 || nOps % 6 != 0) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 rrcurveto", nOps);
        }
        for (k = 0; k < nOps; k += 6) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
          cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
          cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
          cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
          cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
          charBuf->append((char)8);
        }
        nOps = 0;
        break;
      case 0x000a:              // callsubr
        if (nOps >= 1) {
          subrBias = (subrIdx->len < 1240)
                       ? 107 : (subrIdx->len < 33900) ? 1131 : 32768;
          k = subrBias + (int)ops[nOps - 1].num;
          --nOps;
          ok = gTrue;
          getIndexVal(subrIdx, k, &val, &ok);
          if (ok) {
            cvtGlyph(val.pos, val.len, charBuf, subrIdx, pDict, gFalse);
          }
        } else {
          //~ error(-1, "Too few args to Type 2 callsubr");
        }
        // don't clear the stack
        break;
      case 0x000b:              // return
        // don't clear the stack
        break;
      case 0x000e:              // endchar / seac
        if (firstOp) {
          cvtGlyphWidth(nOps == 1 || nOps == 5, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps == 4) {
          cvtNum(0, gFalse, charBuf);
          cvtNum(ops[0].num, ops[0].isFP, charBuf);
          cvtNum(ops[1].num, ops[1].isFP, charBuf);
          cvtNum(ops[2].num, ops[2].isFP, charBuf);
          cvtNum(ops[3].num, ops[3].isFP, charBuf);
          charBuf->append((char)12)->append((char)6);
        } else if (nOps == 0) {
          charBuf->append((char)14);
        } else {
          //~ error(-1, "Wrong number of args (%d) to Type 2 endchar", nOps);
        }
        nOps = 0;
        break;
      case 0x000f:              // (obsolete)
        // this op is ignored, but we need the glyph width
        if (firstOp) {
          cvtGlyphWidth(nOps > 0, charBuf, pDict);
          firstOp = gFalse;
        }
        nOps = 0;
        break;
      case 0x0010:              // blend
        //~ error(-1, "Unimplemented Type 2 charstring op: %d", file[i]);
        nOps = 0;
        break;
      case 0x0012:              // hstemhm
        // ignored
        if (firstOp) {
          cvtGlyphWidth(nOps & 1, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps & 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hstemhm", nOps);
        }
        nHints += nOps / 2;
        nOps = 0;
        break;
      case 0x0013:              // hintmask
        // ignored
        if (firstOp) {
          cvtGlyphWidth(nOps & 1, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps > 0) {
          if (nOps & 1) {
            //~ error(-1, "Wrong number of args (%d) to Type 2 hintmask/vstemhm",
            //~       nOps);
          }
          nHints += nOps / 2;
        }
        pos += (nHints + 7) >> 3;
        nOps = 0;
        break;
      case 0x0014:              // cntrmask
        // ignored
        if (firstOp) {
          cvtGlyphWidth(nOps & 1, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps > 0) {
          if (nOps & 1) {
            //~ error(-1, "Wrong number of args (%d) to Type 2 cntrmask/vstemhm",
            //~       nOps);
          }
          nHints += nOps / 2;
        }
        pos += (nHints + 7) >> 3;
        nOps = 0;
        break;
      case 0x0015:              // rmoveto
        if (firstOp) {
          cvtGlyphWidth(nOps == 3, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps != 2) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 rmoveto", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        cvtNum(ops[1].num, ops[1].isFP, charBuf);
        charBuf->append((char)21);
        nOps = 0;
        break;
      case 0x0016:              // hmoveto
        if (firstOp) {
          cvtGlyphWidth(nOps == 2, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps != 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hmoveto", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        charBuf->append((char)22);
        nOps = 0;
        break;
      case 0x0017:              // vstemhm
        // ignored
        if (firstOp) {
          cvtGlyphWidth(nOps & 1, charBuf, pDict);
          firstOp = gFalse;
        }
        if (nOps & 1) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 vstemhm", nOps);
        }
        nHints += nOps / 2;
        nOps = 0;
        break;
      case 0x0018:              // rcurveline
        if (nOps < 8 || (nOps - 2) % 6 != 0) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 rcurveline", nOps);
        }
        for (k = 0; k < nOps - 2; k += 6) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
          cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
          cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
          cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
          cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
          charBuf->append((char)8);
        }
        cvtNum(ops[k].num, ops[k].isFP, charBuf);
        cvtNum(ops[k+1].num, ops[k].isFP, charBuf);
        charBuf->append((char)5);
        nOps = 0;
        break;
      case 0x0019:              // rlinecurve
        if (nOps < 8 || (nOps - 6) % 2 != 0) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 rlinecurve", nOps);
        }
        for (k = 0; k < nOps - 6; k += 2) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          cvtNum(ops[k+1].num, ops[k].isFP, charBuf);
          charBuf->append((char)5);
        }
        cvtNum(ops[k].num, ops[k].isFP, charBuf);
        cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
        cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
        cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
        cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
        cvtNum(ops[k+5].num, ops[k+5].isFP, charBuf);
        charBuf->append((char)8);
        nOps = 0;
        break;
      case 0x001a:              // vvcurveto
        if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 vvcurveto", nOps);
        }
        if (nOps % 2 == 1) {
          cvtNum(ops[0].num, ops[0].isFP, charBuf);
          cvtNum(ops[1].num, ops[1].isFP, charBuf);
          cvtNum(ops[2].num, ops[2].isFP, charBuf);
          cvtNum(ops[3].num, ops[3].isFP, charBuf);
          cvtNum(0, gFalse, charBuf);
          cvtNum(ops[4].num, ops[4].isFP, charBuf);
          charBuf->append((char)8);
          k = 5;
        } else {
          k = 0;
        }
        for (; k < nOps; k += 4) {
          cvtNum(0, gFalse, charBuf);
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
          cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
          cvtNum(0, gFalse, charBuf);
          cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
          charBuf->append((char)8);
        }
        nOps = 0;
        break;
      case 0x001b:              // hhcurveto
        if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hhcurveto", nOps);
        }
        if (nOps % 2 == 1) {
          cvtNum(ops[1].num, ops[1].isFP, charBuf);
          cvtNum(ops[0].num, ops[0].isFP, charBuf);
          cvtNum(ops[2].num, ops[2].isFP, charBuf);
          cvtNum(ops[3].num, ops[3].isFP, charBuf);
          cvtNum(ops[4].num, ops[4].isFP, charBuf);
          cvtNum(0, gFalse, charBuf);
          charBuf->append((char)8);
          k = 5;
        } else {
          k = 0;
        }
        for (; k < nOps; k += 4) {
          cvtNum(ops[k].num, ops[k].isFP, charBuf);
          cvtNum(0, gFalse, charBuf);
          cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
          cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
          cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
          cvtNum(0, gFalse, charBuf);
          charBuf->append((char)8);
        }
        nOps = 0;
        break;
      case 0x001d:              // callgsubr
        if (nOps >= 1) {
          k = gsubrBias + (int)ops[nOps - 1].num;
          --nOps;
          ok = gTrue;
          getIndexVal(&gsubrIdx, k, &val, &ok);
          if (ok) {
            cvtGlyph(val.pos, val.len, charBuf, subrIdx, pDict, gFalse);
          }
        } else {
          //~ error(-1, "Too few args to Type 2 callgsubr");
        }
        // don't clear the stack
        break;
      case 0x001e:              // vhcurveto
        if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 vhcurveto", nOps);
        }
        for (k = 0; k < nOps && k != nOps-5; k += 4) {
          if (k % 8 == 0) {
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
            charBuf->append((char)30);
          } else {
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
            charBuf->append((char)31);
          }
        }
        if (k == nOps-5) {
          if (k % 8 == 0) {
            cvtNum(0, gFalse, charBuf);
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
            cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
          } else {
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(0, gFalse, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
          }
          charBuf->append((char)8);
        }
        nOps = 0;
        break;
      case 0x001f:              // hvcurveto
        if (nOps < 4 || !(nOps % 4 == 0 || (nOps-1) % 4 == 0)) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hvcurveto", nOps);
        }
        for (k = 0; k < nOps && k != nOps-5; k += 4) {
          if (k % 8 == 0) {
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
            charBuf->append((char)31);
          } else {
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
            charBuf->append((char)30);
          }
        }
        if (k == nOps-5) {
          if (k % 8 == 0) {
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(0, gFalse, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
          } else {
            cvtNum(0, gFalse, charBuf);
            cvtNum(ops[k].num, ops[k].isFP, charBuf);
            cvtNum(ops[k+1].num, ops[k+1].isFP, charBuf);
            cvtNum(ops[k+2].num, ops[k+2].isFP, charBuf);
            cvtNum(ops[k+3].num, ops[k+3].isFP, charBuf);
            cvtNum(ops[k+4].num, ops[k+4].isFP, charBuf);
          }
          charBuf->append((char)8);
        }
        nOps = 0;
        break;
      case 0x0c00:              // dotsection (should be Type 1 only?)
        // ignored
        nOps = 0;
        break;
      case 0x0c03:              // and
      case 0x0c04:              // or
      case 0x0c05:              // not
      case 0x0c08:              // store
      case 0x0c09:              // abs
      case 0x0c0a:              // add
      case 0x0c0b:              // sub
      case 0x0c0c:              // div
      case 0x0c0d:              // load
      case 0x0c0e:              // neg
      case 0x0c0f:              // eq
      case 0x0c12:              // drop
      case 0x0c14:              // put
      case 0x0c15:              // get
      case 0x0c16:              // ifelse
      case 0x0c17:              // random
      case 0x0c18:              // mul
      case 0x0c1a:              // sqrt
      case 0x0c1b:              // dup
      case 0x0c1c:              // exch
      case 0x0c1d:              // index
      case 0x0c1e:              // roll
        //~ error(-1, "Unimplemented Type 2 charstring op: 12.%d", file[i+1]);
        nOps = 0;
        break;
      case 0x0c22:              // hflex
        if (nOps != 7) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hflex", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        cvtNum(0, gFalse, charBuf);
        cvtNum(ops[1].num, ops[1].isFP, charBuf);
        cvtNum(ops[2].num, ops[2].isFP, charBuf);
        cvtNum(ops[3].num, ops[3].isFP, charBuf);
        cvtNum(0, gFalse, charBuf);
        charBuf->append((char)8);
        cvtNum(ops[4].num, ops[4].isFP, charBuf);
        cvtNum(0, gFalse, charBuf);
        cvtNum(ops[5].num, ops[5].isFP, charBuf);
        cvtNum(-ops[2].num, ops[2].isFP, charBuf);
        cvtNum(ops[6].num, ops[6].isFP, charBuf);
        cvtNum(0, gFalse, charBuf);
        charBuf->append((char)8);
        nOps = 0;
        break;
      case 0x0c23:              // flex
        if (nOps != 13) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 flex", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        cvtNum(ops[1].num, ops[1].isFP, charBuf);
        cvtNum(ops[2].num, ops[2].isFP, charBuf);
        cvtNum(ops[3].num, ops[3].isFP, charBuf);
        cvtNum(ops[4].num, ops[4].isFP, charBuf);
        cvtNum(ops[5].num, ops[5].isFP, charBuf);
        charBuf->append((char)8);
        cvtNum(ops[6].num, ops[6].isFP, charBuf);
        cvtNum(ops[7].num, ops[7].isFP, charBuf);
        cvtNum(ops[8].num, ops[8].isFP, charBuf);
        cvtNum(ops[9].num, ops[9].isFP, charBuf);
        cvtNum(ops[10].num, ops[10].isFP, charBuf);
        cvtNum(ops[11].num, ops[11].isFP, charBuf);
        charBuf->append((char)8);
        nOps = 0;
        break;
      case 0x0c24:              // hflex1
        if (nOps != 9) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 hflex1", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        cvtNum(ops[1].num, ops[1].isFP, charBuf);
        cvtNum(ops[2].num, ops[2].isFP, charBuf);
        cvtNum(ops[3].num, ops[3].isFP, charBuf);
        cvtNum(ops[4].num, ops[4].isFP, charBuf);
        cvtNum(0, gFalse, charBuf);
        charBuf->append((char)8);
        cvtNum(ops[5].num, ops[5].isFP, charBuf);
        cvtNum(0, gFalse, charBuf);
        cvtNum(ops[6].num, ops[6].isFP, charBuf);
        cvtNum(ops[7].num, ops[7].isFP, charBuf);
        cvtNum(ops[8].num, ops[8].isFP, charBuf);
        cvtNum(-(ops[1].num + ops[3].num + ops[7].num),
               ops[1].isFP | ops[3].isFP | ops[7].isFP, charBuf);
        charBuf->append((char)8);
        nOps = 0;
        break;
      case 0x0c25:              // flex1
        if (nOps != 11) {
          //~ error(-1, "Wrong number of args (%d) to Type 2 flex1", nOps);
        }
        cvtNum(ops[0].num, ops[0].isFP, charBuf);
        cvtNum(ops[1].num, ops[1].isFP, charBuf);
        cvtNum(ops[2].num, ops[2].isFP, charBuf);
        cvtNum(ops[3].num, ops[3].isFP, charBuf);
        cvtNum(ops[4].num, ops[4].isFP, charBuf);
        cvtNum(ops[5].num, ops[5].isFP, charBuf);
        charBuf->append((char)8);
        cvtNum(ops[6].num, ops[6].isFP, charBuf);
        cvtNum(ops[7].num, ops[7].isFP, charBuf);
        cvtNum(ops[8].num, ops[8].isFP, charBuf);
        cvtNum(ops[9].num, ops[9].isFP, charBuf);
        dx = ops[0].num + ops[2].num + ops[4].num + ops[6].num + ops[8].num;
        dy = ops[1].num + ops[3].num + ops[5].num + ops[7].num + ops[9].num;
        if (fabs(dx) > fabs(dy)) {
          cvtNum(ops[10].num, ops[10].isFP, charBuf);
          cvtNum(-dy, ops[1].isFP | ops[3].isFP | ops[5].isFP |
                      ops[7].isFP | ops[9].isFP, charBuf);
        } else {
          cvtNum(-dx, ops[0].isFP | ops[2].isFP | ops[4].isFP |
                      ops[6].isFP | ops[8].isFP, charBuf);
          cvtNum(ops[10].num, ops[10].isFP, charBuf);
        }
        charBuf->append((char)8);
        nOps = 0;
        break;
      default:
        //~ error(-1, "Illegal Type 2 charstring op: %04x",
        //~       ops[nOps].op);
        nOps = 0;
        break;
      }
    }
  }

  // charstring encryption
  if (top) {
    r2 = 4330;
    for (i = start; i < charBuf->getLength(); ++i) {
      byte = charBuf->getChar(i) ^ (r2 >> 8);
      charBuf->setChar(i, byte);
      r2 = (byte + r2) * 52845 + 22719;
    }
  }
}

void FoFiType1C::cvtGlyphWidth(GBool useOp, GString *charBuf,
                               Type1CPrivateDict *pDict) {
  double w;
  GBool wFP;
  int i;

  if (useOp) {
    w = pDict->nominalWidthX + ops[0].num;
    wFP = pDict->nominalWidthXFP | ops[0].isFP;
    for (i = 1; i < nOps; ++i) {
      ops[i-1] = ops[i];
    }
    --nOps;
  } else {
    w = pDict->defaultWidthX;
    wFP = pDict->defaultWidthXFP;
  }
  cvtNum(0, gFalse, charBuf);
  cvtNum(w, wFP, charBuf);
  charBuf->append((char)13);
}

void FoFiType1C::cvtNum(double x, GBool isFP, GString *charBuf) {
  Guchar buf[12];
  int y, n;

  n = 0;
  if (isFP) {
    if (x >= -32768 && x < 32768) {
      y = (int)(x * 256.0);
      buf[0] = 255;
      buf[1] = (Guchar)(y >> 24);
      buf[2] = (Guchar)(y >> 16);
      buf[3] = (Guchar)(y >> 8);
      buf[4] = (Guchar)y;
      buf[5] = 255;
      buf[6] = 0;
      buf[7] = 0;
      buf[8] = 1;
      buf[9] = 0;
      buf[10] = 12;
      buf[11] = 12;
      n = 12;
    } else {
      //~ error(-1, "Type 2 fixed point constant out of range");
    }
  } else {
    y = (int)x;
    if (y >= -107 && y <= 107) {
      buf[0] = (Guchar)(y + 139);
      n = 1;
    } else if (y > 107 && y <= 1131) {
      y -= 108;
      buf[0] = (Guchar)((y >> 8) + 247);
      buf[1] = (Guchar)(y & 0xff);
      n = 2;
    } else if (y < -107 && y >= -1131) {
      y = -y - 108;
      buf[0] = (Guchar)((y >> 8) + 251);
      buf[1] = (Guchar)(y & 0xff);
      n = 2;
    } else {
      buf[0] = 255;
      buf[1] = (Guchar)(y >> 24);
      buf[2] = (Guchar)(y >> 16);
      buf[3] = (Guchar)(y >> 8);
      buf[4] = (Guchar)y;
      n = 5;
    }
  }
  charBuf->append((char *)buf, n);
}

void FoFiType1C::eexecWrite(Type1CEexecBuf *eb, char *s) {
  Guchar *p;
  Guchar x;

  for (p = (Guchar *)s; *p; ++p) {
    x = *p ^ (eb->r1 >> 8);
    eb->r1 = (x + eb->r1) * 52845 + 22719;
    if (eb->ascii) {
      (*eb->outputFunc)(eb->outputStream, &hexChars[x >> 4], 1);
      (*eb->outputFunc)(eb->outputStream, &hexChars[x & 0x0f], 1);
      eb->line += 2;
      if (eb->line == 64) {
        (*eb->outputFunc)(eb->outputStream, "\n", 1);
        eb->line = 0;
      }
    } else {
      (*eb->outputFunc)(eb->outputStream, (char *)&x, 1);
    }
  }
}

void FoFiType1C::eexecWriteCharstring(Type1CEexecBuf *eb,
                                      Guchar *s, int n) {
  Guchar x;
  int i;

  // eexec encryption
  for (i = 0; i < n; ++i) {
    x = s[i] ^ (eb->r1 >> 8);
    eb->r1 = (x + eb->r1) * 52845 + 22719;
    if (eb->ascii) {
      (*eb->outputFunc)(eb->outputStream, &hexChars[x >> 4], 1);
      (*eb->outputFunc)(eb->outputStream, &hexChars[x & 0x0f], 1);
      eb->line += 2;
      if (eb->line == 64) {
        (*eb->outputFunc)(eb->outputStream, "\n", 1);
        eb->line = 0;
      }
    } else {
      (*eb->outputFunc)(eb->outputStream, (char *)&x, 1);
    }
  }
}

GBool FoFiType1C::parse() {
  Type1CIndex fdIdx;
  Type1CIndexVal val;
  int i;

  parsedOk = gTrue;

  // some tools embed Type 1C fonts with an extra whitespace char at
  // the beginning
  if (len > 0 && file[0] != '\x01') {
    ++file;
    --len;
  }

  // find the indexes
  getIndex(getU8(2, &parsedOk), &nameIdx, &parsedOk);
  getIndex(nameIdx.endPos, &topDictIdx, &parsedOk);
  getIndex(topDictIdx.endPos, &stringIdx, &parsedOk);
  getIndex(stringIdx.endPos, &gsubrIdx, &parsedOk);
  if (!parsedOk) {
    return gFalse;
  }
  gsubrBias = (gsubrIdx.len < 1240) ? 107
                                    : (gsubrIdx.len < 33900) ? 1131 : 32768;

  // read the first font name
  getIndexVal(&nameIdx, 0, &val, &parsedOk);
  if (!parsedOk) {
    return gFalse;
  }
  name = new GString((char *)&file[val.pos], val.len);

  // read the top dict for the first font
  readTopDict();

  // for CID fonts: read the FDArray dicts and private dicts
  if (topDict.firstOp == 0x0c1e) {
    if (topDict.fdArrayOffset == 0) {
      nFDs = 1;
      privateDicts = (Type1CPrivateDict *)gmalloc(sizeof(Type1CPrivateDict));
      readPrivateDict(0, 0, &privateDicts[0]);
    } else {
      getIndex(topDict.fdArrayOffset, &fdIdx, &parsedOk);
      if (!parsedOk) {
        return gFalse;
      }
      nFDs = fdIdx.len;
      privateDicts = (Type1CPrivateDict *)
                         gmalloc(nFDs * sizeof(Type1CPrivateDict));
      for (i = 0; i < nFDs; ++i) {
        getIndexVal(&fdIdx, i, &val, &parsedOk);
        if (!parsedOk) {
          return gFalse;
        }
        readFD(val.pos, val.len, &privateDicts[i]);
      }
    }

  // for 8-bit fonts: read the private dict
  } else {
    privateDicts = (Type1CPrivateDict *)gmalloc(sizeof(Type1CPrivateDict));
    readPrivateDict(topDict.privateOffset, topDict.privateSize,
                    &privateDicts[0]);
  }

  // check for parse errors in the private dict(s)
  if (!parsedOk) {
    return gFalse;
  }

  // get the charstrings index
  if (topDict.charStringsOffset <= 0) {
    parsedOk = gFalse;
    return gFalse;
  }
  getIndex(topDict.charStringsOffset, &charStringsIdx, &parsedOk);
  if (!parsedOk) {
    return gFalse;
  }
  nGlyphs = charStringsIdx.len;

  // for CID fonts: read the FDSelect table
  if (topDict.firstOp == 0x0c1e) {
    readFDSelect();
    if (!parsedOk) {
      return gFalse;
    }
  }

  // read the charset
  if (!readCharset()) {
    parsedOk = gFalse;
    return gFalse;
  }

  // for 8-bit fonts: build the encoding
  if (topDict.firstOp != 0x0c14 && topDict.firstOp != 0x0c1e) {
    buildEncoding();
    if (!parsedOk) {
      return gFalse;
    }
  }

  return parsedOk;
}

void FoFiType1C::readTopDict() {
  Type1CIndexVal topDictPtr;
  int pos;

  topDict.firstOp = -1;
  topDict.versionSID = 0;
  topDict.noticeSID = 0;
  topDict.copyrightSID = 0;
  topDict.fullNameSID = 0;
  topDict.familyNameSID = 0;
  topDict.weightSID = 0;
  topDict.isFixedPitch = 0;
  topDict.italicAngle = 0;
  topDict.underlinePosition = -100;
  topDict.underlineThickness = 50;
  topDict.paintType = 0;
  topDict.charstringType = 2;
  topDict.fontMatrix[0] = 0.001;
  topDict.fontMatrix[1] = 0;
  topDict.fontMatrix[2] = 0;
  topDict.fontMatrix[3] = 0.001;
  topDict.fontMatrix[4] = 0;
  topDict.fontMatrix[5] = 0;
  topDict.uniqueID = 0;
  topDict.fontBBox[0] = 0;
  topDict.fontBBox[1] = 0;
  topDict.fontBBox[2] = 0;
  topDict.fontBBox[3] = 0;
  topDict.strokeWidth = 0;
  topDict.charsetOffset = 0;
  topDict.encodingOffset = 0;
  topDict.charStringsOffset = 0;
  topDict.privateSize = 0;
  topDict.privateOffset = 0;
  topDict.registrySID = 0;
  topDict.orderingSID = 0;
  topDict.supplement = 0;
  topDict.fdArrayOffset = 0;
  topDict.fdSelectOffset = 0;

  getIndexVal(&topDictIdx, 0, &topDictPtr, &parsedOk);
  pos = topDictPtr.pos;
  nOps = 0;
  while (pos < topDictPtr.pos + topDictPtr.len) {
    pos = getOp(pos, gFalse, &parsedOk);
    if (!parsedOk) {
      break;
    }
    if (!ops[nOps - 1].isNum) {
      --nOps; // drop the operator
      if (topDict.firstOp < 0) {
        topDict.firstOp = ops[nOps].op;
      }
      switch (ops[nOps].op) {
      case 0x0000: topDict.versionSID = (int)ops[0].num; break;
      case 0x0001: topDict.noticeSID = (int)ops[0].num; break;
      case 0x0c00: topDict.copyrightSID = (int)ops[0].num; break;
      case 0x0002: topDict.fullNameSID = (int)ops[0].num; break;
      case 0x0003: topDict.familyNameSID = (int)ops[0].num; break;
      case 0x0004: topDict.weightSID = (int)ops[0].num; break;
      case 0x0c01: topDict.isFixedPitch = (int)ops[0].num; break;
      case 0x0c02: topDict.italicAngle = ops[0].num; break;
      case 0x0c03: topDict.underlinePosition = ops[0].num; break;
      case 0x0c04: topDict.underlineThickness = ops[0].num; break;
      case 0x0c05: topDict.paintType = (int)ops[0].num; break;
      case 0x0c06: topDict.charstringType = (int)ops[0].num; break;
      case 0x0c07: topDict.fontMatrix[0] = ops[0].num;
                   topDict.fontMatrix[1] = ops[1].num;
                   topDict.fontMatrix[2] = ops[2].num;
                   topDict.fontMatrix[3] = ops[3].num;
                   topDict.fontMatrix[4] = ops[4].num;
                   topDict.fontMatrix[5] = ops[5].num; break;
      case 0x000d: topDict.uniqueID = (int)ops[0].num; break;
      case 0x0005: topDict.fontBBox[0] = ops[0].num;
                   topDict.fontBBox[1] = ops[1].num;
                   topDict.fontBBox[2] = ops[2].num;
                   topDict.fontBBox[3] = ops[3].num; break;
      case 0x0c08: topDict.strokeWidth = ops[0].num; break;
      case 0x000f: topDict.charsetOffset = (int)ops[0].num; break;
      case 0x0010: topDict.encodingOffset = (int)ops[0].num; break;
      case 0x0011: topDict.charStringsOffset = (int)ops[0].num; break;
      case 0x0012: topDict.privateSize = (int)ops[0].num;
                   topDict.privateOffset = (int)ops[1].num; break;
      case 0x0c1e: topDict.registrySID = (int)ops[0].num;
                   topDict.orderingSID = (int)ops[1].num;
                   topDict.supplement = (int)ops[2].num; break;
      case 0x0c24: topDict.fdArrayOffset = (int)ops[0].num; break;
      case 0x0c25: topDict.fdSelectOffset = (int)ops[0].num; break;
      }
      nOps = 0;
    }
  }
}

// Read a CID font dict (FD) - this pulls out the private dict
// pointer, and reads the private dict.
void FoFiType1C::readFD(int offset, int length, Type1CPrivateDict *pDict) {
  int pos, pSize, pOffset;

  pSize = pOffset = 0;
  pos = offset;
  nOps = 0;
  while (pos < offset + length) {
    pos = getOp(pos, gFalse, &parsedOk);
    if (!parsedOk) {
      return;
    }
    if (!ops[nOps - 1].isNum) {
      if (ops[nOps - 1].op == 0x0012) {
        if (nOps < 3) {
          parsedOk = gFalse;
          return;
        }
        pSize = (int)ops[0].num;
        pOffset = (int)ops[1].num;
        break;
      }
      nOps = 0;
    }
  }
  readPrivateDict(pOffset, pSize, pDict);
}

void FoFiType1C::readPrivateDict(int offset, int length,
                                 Type1CPrivateDict *pDict) {
  int pos;

  pDict->nBlueValues = 0;
  pDict->nOtherBlues = 0;
  pDict->nFamilyBlues = 0;
  pDict->nFamilyOtherBlues = 0;
  pDict->blueScale = 0.039625;
  pDict->blueShift = 7;
  pDict->blueFuzz = 1;
  pDict->hasStdHW = gFalse;
  pDict->hasStdVW = gFalse;
  pDict->nStemSnapH = 0;
  pDict->nStemSnapV = 0;
  pDict->hasForceBold = gFalse;
  pDict->forceBoldThreshold = 0;
  pDict->languageGroup = 0;
  pDict->expansionFactor = 0.06;
  pDict->initialRandomSeed = 0;
  pDict->subrsOffset = 0;
  pDict->defaultWidthX = 0;
  pDict->defaultWidthXFP = 0;
  pDict->nominalWidthX = 0;
  pDict->nominalWidthXFP = 0;

  // no dictionary
  if (offset == 0 || length == 0) {
    return;
  }

  pos = offset;
  nOps = 0;
  while (pos < offset + length) {
    pos = getOp(pos, gFalse, &parsedOk);
    if (!parsedOk) {
      break;
    }
    if (!ops[nOps - 1].isNum) {
      --nOps; // drop the operator
      switch (ops[nOps].op) {
      case 0x0006:
        pDict->nBlueValues = getDeltaIntArray(pDict->blueValues,
                                              type1CMaxBlueValues);
        break;
      case 0x0007:
        pDict->nOtherBlues = getDeltaIntArray(pDict->otherBlues,
                                              type1CMaxOtherBlues);
        break;
      case 0x0008:
        pDict->nFamilyBlues = getDeltaIntArray(pDict->familyBlues,
                                               type1CMaxBlueValues);
        break;
      case 0x0009:
        pDict->nFamilyOtherBlues = getDeltaIntArray(pDict->familyOtherBlues,
                                                    type1CMaxOtherBlues);
        break;
      case 0x0c09:
        pDict->blueScale = ops[0].num;
        break;
      case 0x0c0a:
        pDict->blueShift = (int)ops[0].num;
        break;
      case 0x0c0b:
        pDict->blueFuzz = (int)ops[0].num;
        break;
      case 0x000a:
        pDict->stdHW = ops[0].num;
        pDict->hasStdHW = gTrue;
        break;
      case 0x000b:
        pDict->stdVW = ops[0].num;
        pDict->hasStdVW = gTrue;
        break;
      case 0x0c0c:
        pDict->nStemSnapH = getDeltaFPArray(pDict->stemSnapH,
                                            type1CMaxStemSnap);
        break;
      case 0x0c0d:
        pDict->nStemSnapV = getDeltaFPArray(pDict->stemSnapV,
                                            type1CMaxStemSnap);
        break;
      case 0x0c0e:
        pDict->forceBold = ops[0].num != 0;
        pDict->hasForceBold = gTrue;
        break;
      case 0x0c0f:
        pDict->forceBoldThreshold = ops[0].num;
        break;
      case 0x0c11:
        pDict->languageGroup = (int)ops[0].num;
        break;
      case 0x0c12:
        pDict->expansionFactor = ops[0].num;
        break;
      case 0x0c13:
        pDict->initialRandomSeed = (int)ops[0].num;
        break;
      case 0x0013:
        pDict->subrsOffset = offset + (int)ops[0].num;
        break;
      case 0x0014:
        pDict->defaultWidthX = ops[0].num;
        break;
      case 0x0015:
        pDict->nominalWidthX = ops[0].num;
        break;
      }
      nOps = 0;
    }
  }
}

void FoFiType1C::readFDSelect() {
  int fdSelectFmt, pos, nRanges, gid0, gid1, fd, i, j;

  fdSelect = (Guchar *)gmalloc(nGlyphs);
  if (topDict.fdSelectOffset == 0) {
    for (i = 0; i < nGlyphs; ++i) {
      fdSelect[i] = 0;
    }
  } else {
    pos = topDict.fdSelectOffset;
    fdSelectFmt = getU8(pos++, &parsedOk);
    if (!parsedOk) {
      return;
    }
    if (fdSelectFmt == 0) {
      if (!checkRegion(pos, nGlyphs)) {
        parsedOk = gFalse;
        return;
      }
      memcpy(fdSelect, file + pos, nGlyphs);
    } else if (fdSelectFmt == 3) {
      nRanges = getU16BE(pos, &parsedOk);
      pos += 2;
      gid0 = getU16BE(pos, &parsedOk);
      pos += 2;
      for (i = 1; i <= nRanges; ++i) {
        fd = getU8(pos++, &parsedOk);
        gid1 = getU16BE(pos, &parsedOk);
        if (!parsedOk) {
          return;
        }
        pos += 2;
        if (gid0 > gid1 || gid1 > nGlyphs) {
          //~ error(-1, "Bad FDSelect table in CID font");
          parsedOk = gFalse;
          return;
        }
        for (j = gid0; j < gid1; ++j) {
          fdSelect[j] = fd;
        }
        gid0 = gid1;
      }
    } else {
      //~ error(-1, "Unknown FDSelect table format in CID font");
      for (i = 0; i < nGlyphs; ++i) {
        fdSelect[i] = 0;
      }
    }
  }
}

void FoFiType1C::buildEncoding() {
  char buf[256];
  int nCodes, nRanges, encFormat;
  int pos, c, sid, nLeft, nSups, i, j;

  if (topDict.encodingOffset == 0) {
    encoding = fofiType1StandardEncoding;

  } else if (topDict.encodingOffset == 1) {
    encoding = fofiType1ExpertEncoding;

  } else {
    encoding = (char **)gmalloc(256 * sizeof(char *));
    for (i = 0; i < 256; ++i) {
      encoding[i] = NULL;
    }
    pos = topDict.encodingOffset;
    encFormat = getU8(pos++, &parsedOk);
    if (!parsedOk) {
      return;
    }
    if ((encFormat & 0x7f) == 0) {
      nCodes = 1 + getU8(pos++, &parsedOk);
      if (!parsedOk) {
        return;
      }
      if (nCodes > nGlyphs) {
        nCodes = nGlyphs;
      }
      for (i = 1; i < nCodes; ++i) {
        c = getU8(pos++, &parsedOk);
        if (!parsedOk) {
          return;
        }
        if (encoding[c]) {
          gfree(encoding[c]);
        }
        encoding[c] = copyString(getString(charset[i], buf, &parsedOk));
      }
    } else if ((encFormat & 0x7f) == 1) {
      nRanges = getU8(pos++, &parsedOk);
      if (!parsedOk) {
        return;
      }
      nCodes = 1;
      for (i = 0; i < nRanges; ++i) {
        c = getU8(pos++, &parsedOk);
        nLeft = getU8(pos++, &parsedOk);
        if (!parsedOk) {
          return;
        }
        for (j = 0; j <= nLeft && nCodes < nGlyphs; ++j) {
          if (c < 256) {
            if (encoding[c]) {
              gfree(encoding[c]);
            }
            encoding[c] = copyString(getString(charset[nCodes], buf,
                                               &parsedOk));
          }
          ++nCodes;
          ++c;
        }
      }
    }
    if (encFormat & 0x80) {
      nSups = getU8(pos++, &parsedOk);
      if (!parsedOk) {
        return;
      }
      for (i = 0; i < nSups; ++i) {
        c = getU8(pos++, &parsedOk);;
        if (!parsedOk) {
          return;;
        }
        sid = getU16BE(pos, &parsedOk);
        pos += 2;
        if (!parsedOk) {
          return;
        }
        if (encoding[c]) {
          gfree(encoding[c]);
        }
        encoding[c] = copyString(getString(sid, buf, &parsedOk));
      }
    }
  }
}

GBool FoFiType1C::readCharset() {
  int charsetFormat, c, pos;
  int nLeft, i, j;

  if (topDict.charsetOffset == 0) {
    charset = fofiType1CISOAdobeCharset;
  } else if (topDict.charsetOffset == 1) {
    charset = fofiType1CExpertCharset;
  } else if (topDict.charsetOffset == 2) {
    charset = fofiType1CExpertSubsetCharset;
  } else {
    charset = (Gushort *)gmalloc(nGlyphs * sizeof(Gushort));
    for (i = 0; i < nGlyphs; ++i) {
      charset[i] = 0;
    }
    pos = topDict.charsetOffset;
    charsetFormat = getU8(pos++, &parsedOk);
    if (charsetFormat == 0) {
      for (i = 1; i < nGlyphs; ++i) {
        charset[i] = (Gushort)getU16BE(pos, &parsedOk);
        pos += 2;
        if (!parsedOk) {
          break;
        }
      }
    } else if (charsetFormat == 1) {
      i = 1;
      while (i < nGlyphs) {
        c = getU16BE(pos, &parsedOk);
        pos += 2;
        nLeft = getU8(pos++, &parsedOk);
        if (!parsedOk) {
          break;
        }
        for (j = 0; j <= nLeft && i < nGlyphs; ++j) {
          charset[i++] = (Gushort)c++;
        }
      }
    } else if (charsetFormat == 2) {
      i = 1;
      while (i < nGlyphs) {
        c = getU16BE(pos, &parsedOk);
        pos += 2;
        nLeft = getU16BE(pos, &parsedOk);
        pos += 2;
        if (!parsedOk) {
          break;
        }
        for (j = 0; j <= nLeft && i < nGlyphs; ++j) {
          charset[i++] = (Gushort)c++;
        }
      }
    }
    if (!parsedOk) {
      gfree(charset);
      charset = NULL;
      return gFalse;
    }
  }
  return gTrue;
}

int FoFiType1C::getOp(int pos, GBool charstring, GBool *ok) {
  static char nybChars[16] = "0123456789.ee -";
  Type1COp op;
  char buf[65];
  int b0, b1, nyb0, nyb1, x, i;

  b0 = getU8(pos++, ok);
  op.isNum = gTrue;
  op.isFP = gFalse;

  if (b0 == 28) {
    x = getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    if (x & 0x8000) {
      x |= ~0xffff;
    }
    op.num = x;

  } else if (!charstring && b0 == 29) {
    x = getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    if (x & 0x80000000) {
      x |= ~0xffffffff;
    }
    op.num = x;

  } else if (!charstring && b0 == 30) {
    i = 0;
    do {
      b1 = getU8(pos++, ok);
      nyb0 = b1 >> 4;
      nyb1 = b1 & 0x0f;
      if (nyb0 == 0xf) {
        break;
      }
      buf[i++] = nybChars[nyb0];
      if (i == 64) {
        break;
      }
      if (nyb0 == 0xc) {
        buf[i++] = '-';
      }
      if (i == 64) {
        break;
      }
      if (nyb1 == 0xf) {
        break;
      }
      buf[i++] = nybChars[nyb1];
      if (i == 64) {
        break;
      }
      if (nyb1 == 0xc) {
        buf[i++] = '-';
      }
    } while (i < 64);
    buf[i] = '\0';
    op.num = atof(buf);
    op.isFP = gTrue;

  } else if (b0 >= 32 && b0 <= 246) {
    op.num = b0 - 139;

  } else if (b0 >= 247 && b0 <= 250) {
    op.num = ((b0 - 247) << 8) + getU8(pos++, ok) + 108;

  } else if (b0 >= 251 && b0 <= 254) {
    op.num = -((b0 - 251) << 8) - getU8(pos++, ok) - 108;

  } else if (charstring && b0 == 255) {
    x = getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    x = (x << 8) | getU8(pos++, ok);
    if (x & 0x80000000) {
      x |= ~0xffffffff;
    }
    op.num = (double)x / 65536.0;
    op.isFP = gTrue;

  } else if (b0 == 12) {
    op.isNum = gFalse;
    op.op = 0x0c00 + getU8(pos++, ok);

  } else {
    op.isNum = gFalse;
    op.op = b0;
  }

  if (nOps < 49) {
    ops[nOps++] = op;
  }

  return pos;
}

// Convert the delta-encoded ops array to an array of ints.
int FoFiType1C::getDeltaIntArray(int *arr, int maxLen) {
  int x;
  int n, i;

  if ((n = nOps) > maxLen) {
    n = maxLen;
  }
  x = 0;
  for (i = 0; i < n; ++i) {
    x += (int)ops[i].num;
    arr[i] = x;
  }
  return n;
}

// Convert the delta-encoded ops array to an array of doubles.
int FoFiType1C::getDeltaFPArray(double *arr, int maxLen) {
  double x;
  int n, i;

  if ((n = nOps) > maxLen) {
    n = maxLen;
  }
  x = 0;
  for (i = 0; i < n; ++i) {
    x += ops[i].num;
    arr[i] = x;
  }
  return n;
}

void FoFiType1C::getIndex(int pos, Type1CIndex *idx, GBool *ok) {
  idx->pos = pos;
  idx->len = getU16BE(pos, ok);
  if (idx->len == 0) {
    // empty indexes are legal
    idx->offSize = 0;
    idx->startPos = idx->endPos = 0;
  } else {
    idx->offSize = getU8(pos + 2, ok);
    if (idx->offSize < 1 || idx->offSize > 4) {
      *ok = gFalse;
    }
    idx->startPos = pos + 3 + (idx->len + 1) * idx->offSize - 1;
    if (idx->startPos < 0 || idx->startPos >= len) {
      *ok = gFalse;
    }
    idx->endPos = idx->startPos + getUVarBE(pos + 3 + idx->len * idx->offSize,
                                            idx->offSize, ok);
    if (idx->endPos < idx->startPos || idx->endPos > len) {
      *ok = gFalse;
    }
  }
}

void FoFiType1C::getIndexVal(Type1CIndex *idx, int i,
                             Type1CIndexVal *val, GBool *ok) {
  int pos0, pos1;

  if (i < 0 || i >= idx->len) {
    *ok = gFalse;
    return;
  }
  pos0 = idx->startPos + getUVarBE(idx->pos + 3 + i * idx->offSize,
                                   idx->offSize, ok);
  pos1 = idx->startPos + getUVarBE(idx->pos + 3 + (i + 1) * idx->offSize,
                                   idx->offSize, ok);
  if (pos0 < idx->startPos || pos0 >= idx->endPos ||
      pos1 <= idx->startPos || pos1 > idx->endPos ||
      pos1 < pos0) {
    *ok = gFalse;
  }
  val->pos = pos0;
  val->len = pos1 - pos0;
}

char *FoFiType1C::getString(int sid, char *buf, GBool *ok) {
  Type1CIndexVal val;
  int n;

  if (sid < 391) {
    strcpy(buf, fofiType1CStdStrings[sid]);
  } else {
    sid -= 391;
    getIndexVal(&stringIdx, sid, &val, ok);
    if (ok) {
      if ((n = val.len) > 255) {
        n = 255;
      }
      strncpy(buf, (char *)&file[val.pos], n);
      buf[n] = '\0';
    } else {
      buf[0] = '\0';
    }
  }
  return buf;
}