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87 lines
2.4 KiB
87 lines
2.4 KiB
15 years ago
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//========================================================================
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//
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// SplashFontEngine.h
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//
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//========================================================================
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#ifndef SPLASHFONTENGINE_H
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#define SPLASHFONTENGINE_H
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#include <aconf.h>
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#ifdef USE_GCC_PRAGMAS
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#pragma interface
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#endif
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#include "gtypes.h"
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class SplashT1FontEngine;
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class SplashFTFontEngine;
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class SplashDTFontEngine;
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class SplashDT4FontEngine;
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class SplashFontFile;
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class SplashFontFileID;
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class SplashFont;
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class SplashFontSrc;
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//------------------------------------------------------------------------
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#define splashFontCacheSize 16
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//------------------------------------------------------------------------
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// SplashFontEngine
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//------------------------------------------------------------------------
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class SplashFontEngine {
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public:
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// Create a font engine.
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SplashFontEngine(
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#if HAVE_T1LIB_H
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GBool enableT1lib,
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#endif
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#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
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GBool enableFreeType,
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#endif
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GBool aa);
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~SplashFontEngine();
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// Get a font file from the cache. Returns NULL if there is no
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// matching entry in the cache.
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SplashFontFile *getFontFile(SplashFontFileID *id);
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// Load fonts - these create new SplashFontFile objects.
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SplashFontFile *loadType1Font(SplashFontFileID *idA, SplashFontSrc *src, char **enc);
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SplashFontFile *loadType1CFont(SplashFontFileID *idA, SplashFontSrc *src, char **enc);
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SplashFontFile *loadOpenTypeT1CFont(SplashFontFileID *idA, SplashFontSrc *src, char **enc);
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SplashFontFile *loadCIDFont(SplashFontFileID *idA, SplashFontSrc *src);
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SplashFontFile *loadOpenTypeCFFFont(SplashFontFileID *idA, SplashFontSrc *src);
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SplashFontFile *loadTrueTypeFont(SplashFontFileID *idA, SplashFontSrc *src,
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Gushort *codeToGID, int codeToGIDLen, int faceIndex = 0);
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// Get a font - this does a cache lookup first, and if not found,
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// creates a new SplashFont object and adds it to the cache. The
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// matrix, mat = textMat * ctm:
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// [ mat[0] mat[1] ]
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// [ mat[2] mat[3] ]
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// specifies the font transform in PostScript style:
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// [x' y'] = [x y] * mat
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// Note that the Splash y axis points downward.
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SplashFont *getFont(SplashFontFile *fontFile,
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SplashCoord *textMat, SplashCoord *ctm);
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private:
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SplashFont *fontCache[splashFontCacheSize];
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#if HAVE_T1LIB_H
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SplashT1FontEngine *t1Engine;
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#endif
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#if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H
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SplashFTFontEngine *ftEngine;
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#endif
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};
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#endif
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