diff options
author | Calvin Morrison <calvin@pobox.com> | 2023-04-05 14:13:39 -0400 |
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committer | Calvin Morrison <calvin@pobox.com> | 2023-04-05 14:13:39 -0400 |
commit | 835e373b3eeaabcd0621ed6798ab500f37982fae (patch) | |
tree | dfa16b0e2e1b4956b38f693220eac4e607802133 /splash/SplashFontEngine.h |
Diffstat (limited to 'splash/SplashFontEngine.h')
-rw-r--r-- | splash/SplashFontEngine.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/splash/SplashFontEngine.h b/splash/SplashFontEngine.h new file mode 100644 index 0000000..59adb95 --- /dev/null +++ b/splash/SplashFontEngine.h @@ -0,0 +1,129 @@ +//======================================================================== +// +// SplashFontEngine.h +// +// Copyright 2003-2013 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef SPLASHFONTENGINE_H +#define SPLASHFONTENGINE_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include "gtypes.h" +class GString; +class GList; + +class SplashFTFontEngine; +class SplashDTFontEngine; +class SplashDT4FontEngine; +class SplashFontFile; +class SplashFontFileID; +class SplashFont; + +//------------------------------------------------------------------------ + +#define splashFontCacheSize 16 + +#if HAVE_FREETYPE_H +#define splashFTNoHinting (1 << 0) +#endif + +//------------------------------------------------------------------------ +// SplashFontEngine +//------------------------------------------------------------------------ + +class SplashFontEngine { +public: + + // Create a font engine. + SplashFontEngine( +#if HAVE_FREETYPE_H + GBool enableFreeType, + Guint freeTypeFlags, +#endif + GBool aa); + + ~SplashFontEngine(); + + // Get a font file from the cache. Returns NULL if there is no + // matching entry in the cache. + SplashFontFile *getFontFile(SplashFontFileID *id); + + // Returns true if [id] refers to a bad font file, i.e., if one of + // the loadXXXFont functions has returned NULL for that ID. + GBool checkForBadFontFile(SplashFontFileID *id); + + // Load fonts - these create new SplashFontFile objects. + SplashFontFile *loadType1Font(SplashFontFileID *idA, +#if LOAD_FONTS_FROM_MEM + GString *fontBuf, +#else + char *fileName, GBool deleteFile, +#endif + const char **enc); + SplashFontFile *loadType1CFont(SplashFontFileID *idA, +#if LOAD_FONTS_FROM_MEM + GString *fontBuf, +#else + char *fileName, GBool deleteFile, +#endif + int *codeToGID, const char **enc); + SplashFontFile *loadOpenTypeT1CFont(SplashFontFileID *idA, +#if LOAD_FONTS_FROM_MEM + GString *fontBuf, +#else + char *fileName, GBool deleteFile, +#endif + int *codeToGID, const char **enc); + SplashFontFile *loadCIDFont(SplashFontFileID *idA, +#if LOAD_FONTS_FROM_MEM + GString *fontBuf, +#else + char *fileName, GBool deleteFile, +#endif + int *codeToGID, int codeToGIDLen); + SplashFontFile *loadOpenTypeCFFFont(SplashFontFileID *idA, +#if LOAD_FONTS_FROM_MEM + GString *fontBuf, +#else + char *fileName, GBool deleteFile, +#endif + int *codeToGID, int codeToGIDLen); + SplashFontFile *loadTrueTypeFont(SplashFontFileID *idA, +#if LOAD_FONTS_FROM_MEM + GString *fontBuf, +#else + char *fileName, GBool deleteFile, +#endif + int fontNum, + int *codeToGID, int codeToGIDLen, + char *fontName); + + // 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, + SplashCoord *textMat, SplashCoord *ctm); + +private: + + SplashFont *fontCache[splashFontCacheSize]; + GList *badFontFiles; // [SplashFontFileID] + +#if HAVE_FREETYPE_H + SplashFTFontEngine *ftEngine; +#endif +}; + +#endif |