1 //========================================================================
5 // An X wrapper for the FreeType font rasterizer.
7 // Copyright 2001-2003 Glyph & Cog, LLC
9 //========================================================================
16 #if FREETYPE2 && (HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H)
18 #ifdef USE_GCC_PRAGMAS
22 #include <freetype/freetype.h>
23 #include "CharTypes.h"
26 //------------------------------------------------------------------------
28 class FTFontEngine: public SFontEngine {
31 FTFontEngine(Display *displayA, Visual *visualA, int depthA,
32 Colormap colormapA, GBool aaA);
33 GBool isOk() { return ok; }
34 virtual ~FTFontEngine();
43 friend class FTFontFile;
47 //------------------------------------------------------------------------
49 enum FTFontIndexMode {
51 ftFontModeCodeMapDirect,
52 ftFontModeCIDToGIDMap,
57 class FTFontFile: public SFontFile {
60 // 8-bit font, TrueType or Type 1/1C
61 FTFontFile(FTFontEngine *engineA, char *fontFileName,
62 char **fontEnc, Gushort *codeToGID);
65 FTFontFile(FTFontEngine *engineA, char *fontFileName,
66 Gushort *cidToGIDA, int cidToGIDLenA, GBool embedded);
68 // CID font, Type 0C (CFF)
69 FTFontFile(FTFontEngine *engineA, char *fontFileName,
72 GBool isOk() { return ok; }
73 virtual ~FTFontFile();
88 //------------------------------------------------------------------------
90 struct FTFontCacheTag {
92 Gushort mru; // valid bit (0x8000) and MRU index
93 int x, y, w, h; // offset and size of glyph
96 class FTFont: public SFont {
99 FTFont(FTFontFile *fontFileA, double *m);
100 GBool isOk() { return ok; }
102 virtual GBool drawChar(Drawable d, int w, int h, GC gc,
103 int x, int y, int r, int g, int b,
104 CharCode c, Unicode u);
105 virtual GBool getCharPath(CharCode c, Unicode u, GfxState *state);
109 Guchar *getGlyphPixmap(CharCode c, Unicode u,
110 int *x, int *y, int *w, int *h,
112 static int charPathMoveTo(FT_Vector *pt, void *state);
113 static int charPathLineTo(FT_Vector *pt, void *state);
114 static int charPathConicTo(FT_Vector *ctrl, FT_Vector *pt, void *state);
115 static int charPathCubicTo(FT_Vector *ctrl1, FT_Vector *ctrl2,
116 FT_Vector *pt, void *state);
117 FT_UInt getGlyphIndex(CharCode c, Unicode u);
119 FTFontFile *fontFile;
123 int glyphW, glyphH; // size of glyph pixmaps
124 int glyphSize; // size of glyph pixmaps, in bytes
125 Guchar *cache; // glyph pixmap cache
126 FTFontCacheTag *cacheTags; // cache tags, i.e., char codes
127 int cacheSets; // number of sets in cache
128 int cacheAssoc; // cache associativity (glyphs per set)
132 #endif // FREETYPE2 && (HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H)