| //======================================================================== |
| // |
| // SplashFTFontEngine.cc |
| // |
| //======================================================================== |
| |
| //======================================================================== |
| // |
| // Modified under the Poppler project - http://poppler.freedesktop.org |
| // |
| // All changes made under the Poppler project to this file are licensed |
| // under GPL version 2 or later |
| // |
| // Copyright (C) 2006 Takashi Iwai <tiwai@suse.de> |
| // Copyright (C) 2009, 2011, 2012 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com> |
| // Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com> |
| // Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2019 Christian Persch <chpe@src.gnome.org> |
| // |
| // To see a description of the changes please see the Changelog file that |
| // came with your tarball or type make ChangeLog if you are building from git |
| // |
| //======================================================================== |
| |
| #include <config.h> |
| |
| #include <stdio.h> |
| #ifdef HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| #include "goo/gmem.h" |
| #include "goo/GooString.h" |
| #include "goo/gfile.h" |
| #include "fofi/FoFiTrueType.h" |
| #include "fofi/FoFiType1C.h" |
| #include "SplashFTFontFile.h" |
| #include "SplashFTFontEngine.h" |
| |
| //------------------------------------------------------------------------ |
| // SplashFTFontEngine |
| //------------------------------------------------------------------------ |
| |
| SplashFTFontEngine::SplashFTFontEngine(bool aaA, bool enableFreeTypeHintingA, |
| bool enableSlightHintingA, FT_Library libA) { |
| FT_Int major, minor, patch; |
| |
| aa = aaA; |
| enableFreeTypeHinting = enableFreeTypeHintingA; |
| enableSlightHinting = enableSlightHintingA; |
| 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(bool aaA, bool enableFreeTypeHintingA, |
| bool enableSlightHintingA) { |
| FT_Library libA; |
| |
| if (FT_Init_FreeType(&libA)) { |
| return nullptr; |
| } |
| return new SplashFTFontEngine(aaA, enableFreeTypeHintingA, enableSlightHintingA, libA); |
| } |
| |
| SplashFTFontEngine::~SplashFTFontEngine() { |
| FT_Done_FreeType(lib); |
| } |
| |
| SplashFontFile *SplashFTFontEngine::loadType1Font(SplashFontFileID *idA, |
| SplashFontSrc *src, |
| const char **enc) { |
| return SplashFTFontFile::loadType1Font(this, idA, src, enc); |
| } |
| |
| SplashFontFile *SplashFTFontEngine::loadType1CFont(SplashFontFileID *idA, |
| SplashFontSrc *src, |
| const char **enc) { |
| return SplashFTFontFile::loadType1Font(this, idA, src, enc); |
| } |
| |
| SplashFontFile *SplashFTFontEngine::loadOpenTypeT1CFont(SplashFontFileID *idA, |
| SplashFontSrc *src, |
| const char **enc) { |
| return SplashFTFontFile::loadType1Font(this, idA, src, enc); |
| } |
| |
| SplashFontFile *SplashFTFontEngine::loadCIDFont(SplashFontFileID *idA, |
| SplashFontSrc *src) { |
| FoFiType1C *ff; |
| int *cidToGIDMap; |
| int nCIDs; |
| SplashFontFile *ret; |
| |
| // check for a CFF font |
| if (useCIDs) { |
| cidToGIDMap = nullptr; |
| nCIDs = 0; |
| } else { |
| if (src->isFile) { |
| ff = FoFiType1C::load(src->fileName->c_str()); |
| } else { |
| ff = FoFiType1C::make(src->buf, src->bufLen); |
| } |
| if (ff) { |
| cidToGIDMap = ff->getCIDToGIDMap(&nCIDs); |
| delete ff; |
| } else { |
| cidToGIDMap = nullptr; |
| nCIDs = 0; |
| } |
| } |
| ret = SplashFTFontFile::loadCIDFont(this, idA, src, cidToGIDMap, nCIDs); |
| if (!ret) { |
| gfree(cidToGIDMap); |
| } |
| return ret; |
| } |
| |
| SplashFontFile *SplashFTFontEngine::loadOpenTypeCFFFont(SplashFontFileID *idA, |
| SplashFontSrc *src, |
| int *codeToGID, |
| int codeToGIDLen) { |
| FoFiTrueType *ff; |
| int *cidToGIDMap; |
| int nCIDs; |
| SplashFontFile *ret; |
| |
| cidToGIDMap = nullptr; |
| nCIDs = 0; |
| if (!codeToGID) { |
| if (!useCIDs) { |
| if (src->isFile) { |
| ff = FoFiTrueType::load(src->fileName->c_str()); |
| } 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, |
| codeToGID ? codeToGID : cidToGIDMap, |
| codeToGID ? codeToGIDLen : nCIDs); |
| if (!ret) { |
| gfree(cidToGIDMap); |
| } |
| return ret; |
| } |
| |
| SplashFontFile *SplashFTFontEngine::loadTrueTypeFont(SplashFontFileID *idA, |
| SplashFontSrc *src, |
| int *codeToGID, |
| int codeToGIDLen, |
| int faceIndex) { |
| SplashFontFile *ret; |
| ret = SplashFTFontFile::loadTrueTypeFont(this, idA, src, |
| codeToGID, codeToGIDLen, |
| faceIndex); |
| return ret; |
| } |