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//========================================================================
//
// SplashFTFontEngine.cpp
//
//========================================================================
#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,
SplashFontSrc *src,
char **enc) {
return SplashFTFontFile::loadType1Font(this, idA, src, enc);
}
SplashFontFile *SplashFTFontEngine::loadType1CFont(SplashFontFileID *idA,
SplashFontSrc *src,
char **enc) {
return SplashFTFontFile::loadType1Font(this, idA, src, enc);
}
SplashFontFile *SplashFTFontEngine::loadOpenTypeT1CFont(SplashFontFileID *idA,
SplashFontSrc *src,
char **enc) {
return SplashFTFontFile::loadType1Font(this, idA, src, enc);
}
SplashFontFile *SplashFTFontEngine::loadCIDFont(SplashFontFileID *idA,
SplashFontSrc *src) {
FoFiType1C *ff;
Gushort *cidToGIDMap;
int nCIDs;
SplashFontFile *ret;
// check for a CFF font
if (useCIDs) {
cidToGIDMap = NULL;
nCIDs = 0;
} else {
if (src->isFile) {
ff = FoFiType1C::load(src->fileName->getCString());
} else {
ff = FoFiType1C::make(src->buf, src->bufLen);
}
if (ff) {
cidToGIDMap = ff->getCIDToGIDMap(&nCIDs);
delete ff;
} else {
cidToGIDMap = NULL;
nCIDs = 0;
}
}
ret = SplashFTFontFile::loadCIDFont(this, idA, src, cidToGIDMap, nCIDs);
if (!ret) {
gfree(cidToGIDMap);
}
return ret;
}
SplashFontFile *SplashFTFontEngine::loadOpenTypeCFFFont(SplashFontFileID *idA,
SplashFontSrc *src) {
FoFiTrueType *ff;
GBool isCID;
Gushort *cidToGIDMap;
int nCIDs;
SplashFontFile *ret;
cidToGIDMap = NULL;
nCIDs = 0;
isCID = gFalse;
if (!useCIDs) {
if (src->isFile) {
ff = FoFiTrueType::load(src->fileName->getCString());
} else {
ff = FoFiTrueType::make(src->buf, src->bufLen);
}
if (ff) {
if (ff->isOpenTypeCFF()) {
cidToGIDMap = ff->getCIDToGIDMap(&nCIDs);
}
delete ff;
}
}
ret = SplashFTFontFile::loadCIDFont(this, idA, src,
cidToGIDMap, nCIDs);
if (!ret) {
gfree(cidToGIDMap);
}
return ret;
}
SplashFontFile *SplashFTFontEngine::loadTrueTypeFont(SplashFontFileID *idA,
SplashFontSrc *src,
Gushort *codeToGID,
int codeToGIDLen,
int faceIndex) {
#if 0
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;
#else
SplashFontFile *ret;
ret = SplashFTFontFile::loadTrueTypeFont(this, idA, src,
codeToGID, codeToGIDLen,
faceIndex);
return ret;
#endif
}
#endif // HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
|
