//========================================================================//// SplashFTFontEngine.cc////========================================================================#include <aconf.h>#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H#ifdef USE_GCC_PRAGMAS#pragma implementation#endif#include <stdio.h>#ifndef WIN32#  include <unistd.h>#endif#include "gmem.h"#include "GString.h"#include "gfile.h"#include "FoFiTrueType.h"#include "FoFiType1C.h"#include "SplashFTFontFile.h"#include "SplashFTFontEngine.h"#ifdef VMS#if (__VMS_VER < 70000000)extern "C" int unlink(char *filename);#endif#endif//------------------------------------------------------------------------static void fileWrite(void *stream, char *data, int len) {  fwrite(data, 1, len, (FILE *)stream);}//------------------------------------------------------------------------// SplashFTFontEngine//------------------------------------------------------------------------SplashFTFontEngine::SplashFTFontEngine(GBool aaA, FT_Library libA) {  FT_Int major, minor, patch;  aa = aaA;  lib = libA;  // as of FT 2.1.8, CID fonts are indexed by CID instead of GID  FT_Library_Version(lib, &major, &minor, &patch);  useCIDs = major > 2 ||            (major == 2 && (minor > 1 || (minor == 1 && patch > 7)));}SplashFTFontEngine *SplashFTFontEngine::init(GBool aaA) {  FT_Library libA;  if (FT_Init_FreeType(&libA)) {    return NULL;  }  return new SplashFTFontEngine(aaA, libA);}SplashFTFontEngine::~SplashFTFontEngine() {  FT_Done_FreeType(lib);}SplashFontFile *SplashFTFontEngine::loadType1Font(SplashFontFileID *idA,						  char *fileName,						  GBool deleteFile,						  char **enc) {  return SplashFTFontFile::loadType1Font(this, idA, fileName, deleteFile, enc);}SplashFontFile *SplashFTFontEngine::loadType1CFont(SplashFontFileID *idA,						   char *fileName,						   GBool deleteFile,						   char **enc) {  return SplashFTFontFile::loadType1Font(this, idA, fileName, deleteFile, enc);}SplashFontFile *SplashFTFontEngine::loadOpenTypeT1CFont(SplashFontFileID *idA,							char *fileName,							GBool deleteFile,							char **enc) {  return SplashFTFontFile::loadType1Font(this, idA, fileName, deleteFile, enc);}SplashFontFile *SplashFTFontEngine::loadCIDFont(SplashFontFileID *idA,						char *fileName,						GBool deleteFile) {  FoFiType1C *ff;  Gushort *cidToGIDMap;  int nCIDs;  SplashFontFile *ret;  // check for a CFF font  if (useCIDs) {    cidToGIDMap = NULL;    nCIDs = 0;  } else if ((ff = FoFiType1C::load(fileName))) {    cidToGIDMap = ff->getCIDToGIDMap(&nCIDs);    delete ff;  } else {    cidToGIDMap = NULL;    nCIDs = 0;  }  ret = SplashFTFontFile::loadCIDFont(this, idA, fileName, deleteFile,				      cidToGIDMap, nCIDs);  if (!ret) {    gfree(cidToGIDMap);  }  return ret;}SplashFontFile *SplashFTFontEngine::loadOpenTypeCFFFont(SplashFontFileID *idA,							char *fileName,							GBool deleteFile) {  FoFiTrueType *ff;  GBool isCID;  Gushort *cidToGIDMap;  int nCIDs;  SplashFontFile *ret;  cidToGIDMap = NULL;  nCIDs = 0;  isCID = gFalse;  if (!useCIDs) {    if ((ff = FoFiTrueType::load(fileName))) {      if (ff->isOpenTypeCFF()) {	cidToGIDMap = ff->getCIDToGIDMap(&nCIDs);      }      delete ff;    }  }  ret = SplashFTFontFile::loadCIDFont(this, idA, fileName, deleteFile,				      cidToGIDMap, nCIDs);  if (!ret) {    gfree(cidToGIDMap);  }  return ret;}SplashFontFile *SplashFTFontEngine::loadTrueTypeFont(SplashFontFileID *idA,						     char *fileName,						     GBool deleteFile,						     Gushort *codeToGID,						     int codeToGIDLen) {  FoFiTrueType *ff;  GString *tmpFileName;  FILE *tmpFile;  SplashFontFile *ret;  if (!(ff = FoFiTrueType::load(fileName))) {    return NULL;  }  tmpFileName = NULL;  if (!openTempFile(&tmpFileName, &tmpFile, "wb", NULL)) {    delete ff;    return NULL;  }  ff->writeTTF(&fileWrite, tmpFile);  delete ff;  fclose(tmpFile);  ret = SplashFTFontFile::loadTrueTypeFont(this, idA,					   tmpFileName->getCString(),					   gTrue, codeToGID, codeToGIDLen);  if (ret) {    if (deleteFile) {      unlink(fileName);    }  } else {    unlink(tmpFileName->getCString());  }  delete tmpFileName;  return ret;}#endif // HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H