| 1 | //======================================================================== |
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| 2 | // |
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| 3 | // SplashFontEngine.h |
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| 4 | // |
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| 5 | //======================================================================== |
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| 6 | |
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| 7 | //======================================================================== |
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| 8 | // |
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| 9 | // Modified under the Poppler project - http://poppler.freedesktop.org |
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| 10 | // |
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| 11 | // All changes made under the Poppler project to this file are licensed |
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| 12 | // under GPL version 2 or later |
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| 13 | // |
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| 14 | // Copyright (C) 2006 Takashi Iwai <tiwai@suse.de> |
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| 15 | // Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com> |
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| 16 | // Copyright (C) 2009, 2011, 2018 Albert Astals Cid <aacid@kde.org> |
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| 17 | // Copyright (C) 2011 Andreas Hartmetz <ahartmetz@gmail.com> |
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| 18 | // Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de> |
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| 19 | // Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com> |
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| 20 | // Copyright (C) 2018 Oliver Sander <oliver.sander@tu-dresden.de> |
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| 21 | // |
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| 22 | // To see a description of the changes please see the Changelog file that |
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| 23 | // came with your tarball or type make ChangeLog if you are building from git |
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| 24 | // |
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| 25 | //======================================================================== |
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| 26 | |
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| 27 | #ifndef SPLASHFONTENGINE_H |
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| 28 | #define SPLASHFONTENGINE_H |
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| 29 | |
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| 30 | #include <array> |
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| 31 | |
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| 32 | #include "SplashTypes.h" |
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| 33 | #include "poppler_private_export.h" |
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| 34 | |
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| 35 | class SplashT1FontEngine; |
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| 36 | class SplashFTFontEngine; |
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| 37 | class SplashDTFontEngine; |
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| 38 | class SplashDT4FontEngine; |
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| 39 | class SplashFontFile; |
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| 40 | class SplashFontFileID; |
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| 41 | class SplashFont; |
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| 42 | class SplashFontSrc; |
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| 43 | |
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| 44 | //------------------------------------------------------------------------ |
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| 45 | // SplashFontEngine |
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| 46 | //------------------------------------------------------------------------ |
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| 47 | |
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| 48 | class POPPLER_PRIVATE_EXPORT SplashFontEngine |
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| 49 | { |
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| 50 | public: |
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| 51 | // Create a font engine. |
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| 52 | SplashFontEngine(bool enableFreeType, bool enableFreeTypeHinting, bool enableSlightHinting, bool aa); |
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| 53 | |
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| 54 | ~SplashFontEngine(); |
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| 55 | |
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| 56 | SplashFontEngine(const SplashFontEngine &) = delete; |
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| 57 | SplashFontEngine &operator=(const SplashFontEngine &) = delete; |
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| 58 | |
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| 59 | // Get a font file from the cache. Returns NULL if there is no |
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| 60 | // matching entry in the cache. |
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| 61 | SplashFontFile *getFontFile(SplashFontFileID *id); |
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| 62 | |
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| 63 | // Load fonts - these create new SplashFontFile objects. |
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| 64 | SplashFontFile *loadType1Font(SplashFontFileID *idA, SplashFontSrc *src, const char **enc); |
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| 65 | SplashFontFile *loadType1CFont(SplashFontFileID *idA, SplashFontSrc *src, const char **enc); |
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| 66 | SplashFontFile *loadOpenTypeT1CFont(SplashFontFileID *idA, SplashFontSrc *src, const char **enc); |
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| 67 | SplashFontFile *loadCIDFont(SplashFontFileID *idA, SplashFontSrc *src); |
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| 68 | SplashFontFile *loadOpenTypeCFFFont(SplashFontFileID *idA, SplashFontSrc *src, int *codeToGID, int codeToGIDLen); |
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| 69 | SplashFontFile *loadTrueTypeFont(SplashFontFileID *idA, SplashFontSrc *src, int *codeToGID, int codeToGIDLen, int faceIndex = 0); |
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| 70 | |
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| 71 | // Get a font - this does a cache lookup first, and if not found, |
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| 72 | // creates a new SplashFont object and adds it to the cache. The |
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| 73 | // matrix, mat = textMat * ctm: |
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| 74 | // [ mat[0] mat[1] ] |
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| 75 | // [ mat[2] mat[3] ] |
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| 76 | // specifies the font transform in PostScript style: |
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| 77 | // [x' y'] = [x y] * mat |
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| 78 | // Note that the Splash y axis points downward. |
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| 79 | SplashFont *getFont(SplashFontFile *fontFile, const SplashCoord *textMat, const SplashCoord *ctm); |
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| 80 | bool getAA(); |
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| 81 | void setAA(bool aa); |
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| 82 | |
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| 83 | private: |
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| 84 | std::array<SplashFont *, 16> fontCache; |
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| 85 | |
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| 86 | SplashFTFontEngine *ftEngine; |
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| 87 | }; |
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| 88 | |
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| 89 | #endif |
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| 90 | |
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