| //======================================================================== |
| // |
| // SplashFontEngine.h |
| // |
| //======================================================================== |
| |
| //======================================================================== |
| // |
| // 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 Petr Gajdos <pgajdos@novell.com> |
| // Copyright (C) 2009, 2011, 2018 Albert Astals Cid <aacid@kde.org> |
| // Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com> |
| // Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de> |
| // Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com> |
| // Copyright (C) 2018 Oliver Sander <oliver.sander@tu-dresden.de> |
| // |
| // 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 |
| // |
| //======================================================================== |
| |
| #ifndef SPLASHFONTENGINE_H |
| #define SPLASHFONTENGINE_H |
| |
| #include <array> |
| |
| #include "SplashTypes.h" |
| |
| class SplashT1FontEngine; |
| class SplashFTFontEngine; |
| class SplashDTFontEngine; |
| class SplashDT4FontEngine; |
| class SplashFontFile; |
| class SplashFontFileID; |
| class SplashFont; |
| class SplashFontSrc; |
| |
| //------------------------------------------------------------------------ |
| // SplashFontEngine |
| //------------------------------------------------------------------------ |
| |
| class SplashFontEngine { |
| public: |
| |
| // Create a font engine. |
| SplashFontEngine( |
| bool enableFreeType, |
| bool enableFreeTypeHinting, |
| bool enableSlightHinting, |
| bool aa); |
| |
| ~SplashFontEngine(); |
| |
| SplashFontEngine(const SplashFontEngine &) = delete; |
| SplashFontEngine& operator=(const SplashFontEngine &) = delete; |
| |
| // Get a font file from the cache. Returns NULL if there is no |
| // matching entry in the cache. |
| SplashFontFile *getFontFile(SplashFontFileID *id); |
| |
| // Load fonts - these create new SplashFontFile objects. |
| SplashFontFile *loadType1Font(SplashFontFileID *idA, SplashFontSrc *src, const char **enc); |
| SplashFontFile *loadType1CFont(SplashFontFileID *idA, SplashFontSrc *src, const char **enc); |
| SplashFontFile *loadOpenTypeT1CFont(SplashFontFileID *idA, SplashFontSrc *src, const char **enc); |
| SplashFontFile *loadCIDFont(SplashFontFileID *idA, SplashFontSrc *src); |
| SplashFontFile *loadOpenTypeCFFFont(SplashFontFileID *idA, SplashFontSrc *src, |
| int *codeToGID, int codeToGIDLen); |
| SplashFontFile *loadTrueTypeFont(SplashFontFileID *idA, SplashFontSrc *src, |
| int *codeToGID, int codeToGIDLen, int faceIndex = 0); |
| |
| // Get a font - this does a cache lookup first, and if not found, |
| // creates a new SplashFont object and adds it to the cache. The |
| // matrix, mat = textMat * ctm: |
| // [ mat[0] mat[1] ] |
| // [ mat[2] mat[3] ] |
| // specifies the font transform in PostScript style: |
| // [x' y'] = [x y] * mat |
| // Note that the Splash y axis points downward. |
| SplashFont *getFont(SplashFontFile *fontFile, |
| const SplashCoord *textMat, const SplashCoord *ctm); |
| bool getAA(); |
| void setAA(bool aa); |
| |
| private: |
| |
| std::array<SplashFont*,16> fontCache; |
| |
| SplashFTFontEngine *ftEngine; |
| }; |
| |
| #endif |