X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Ffont.h;h=d17c363e4b65975861c6163eb5823ee483b59223;hb=62f77fab4e243f557ed9f9ec9d25e6690f935951;hp=6c772283a6e1aa5606b4f3e06d3d60edf399ff07;hpb=1359a5c46aaaa266d1d6a0f30f2478a18e439b5c;p=m17n%2Fm17n-lib.git diff --git a/src/font.h b/src/font.h index 6c77228..d17c363 100644 --- a/src/font.h +++ b/src/font.h @@ -23,7 +23,7 @@ #ifndef _M17N_FONT_H_ #define _M17N_FONT_H_ -/** Type of font stored in MFont->property[MFONT_TYPE]. */ +/** Type of font. Now obsolete. */ enum MFontType { @@ -52,7 +52,6 @@ enum MFontProperty MFONT_REGISTRY, MFONT_SIZE, MFONT_RESY, - MFONT_TYPE, /* anchor */ MFONT_PROPERTY_MAX }; @@ -145,6 +144,12 @@ struct MRealizedFont short ascent, descent; MFontEncoding *encoding; + + /* Type of the font: Mx, Mfreetype, or Mxft. */ + MSymbol type; + + /* Pointer to the font structure. */ + void *fontp; }; /** Structure to hold a list of fonts of each registry. */ @@ -159,22 +164,22 @@ typedef struct struct MFontDriver { - /** Return a font best matching with SPEC. */ + /** Return a font satisfying REQUEST and best matching with SPEC. + For the moment, LIMITTED_SIZE is ignored. */ MRealizedFont *(*select) (MFrame *frame, MFont *spec, MFont *request, int limitted_size); /** Open a font specified by RFONT. */ int (*open) (MRealizedFont *rfont); - /** Close a font specified by RFONT. */ - void (*close) (MRealizedFont *rfont); - - void (*find_metric) (MRealizedFont *rfont, MGlyph *g); + /** Set metrics of glyphs in GSTRING from FROM to TO. */ + void (*find_metric) (MRealizedFont *rfont, MGlyphString *gstring, + int from, int to); - /** Encode C into the glyph code the font. CODE is a code point of - C in rfont->encoder->encoding_charset. If the font has no glyph - for C, return MCHAR_INVALID_CODE. */ - unsigned (*encode_char) (MRealizedFont *rfont, int c, unsigned code); + /** Encode CODE into a glyph code the font. CODE is a code point of + a character in rfont->encoder->encoding_charset. If the font + has no glyph for CODE, return MCHAR_INVALID_CODE. */ + unsigned (*encode_char) (MRealizedFont *rfont, unsigned code); /** Draw glyphs from FROM to TO (exclusive) on window WIN of FRAME at coordinate (X, Y) relative to WIN. */ @@ -187,9 +192,6 @@ struct MFontDriver #define MFONT_INIT(font) memset ((font), 0, sizeof (MFont)) - -extern MFontDriver *mfont__driver_list[MFONT_TYPE_MAX]; - extern MSymbol Mlayouter; extern int mfont__flt_init (); @@ -197,15 +199,48 @@ extern int mfont__flt_init (); extern void mfont__flt_fini (); #ifdef HAVE_FREETYPE +#include +#include FT_FREETYPE_H + +#ifdef HAVE_OTF +#include +#endif /* HAVE_OTF */ + +typedef struct +{ + M17NObject control; + MFont font; + char *filename; + int otf_flag; /* This font is OTF (1), may be OTF (0), is not OTF (-1). */ + MPlist *charmap_list; + int charmap_index; + FT_Face ft_face; +#ifdef HAVE_OTF + OTF *otf; +#endif /* HAVE_OTF */ + void *extra_info; /* Xft uses this member. */ +} MFTInfo; + +extern MFontDriver mfont__ft_driver; + extern int mfont__ft_init (); extern void mfont__ft_fini (); +extern int mfont__ft_parse_name (char *name, MFont *font); + +extern char *mfont__ft_unparse_name (MFont *font); + +#ifdef HAVE_OTF + extern int mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, MSymbol script, MSymbol langsys, MSymbol gsub_features, MSymbol gpos_features); + extern int mfont__ft_decode_otf (MGlyph *g); +#endif /* HAVE_OTF */ + #endif /* HAVE_FREETYPE */ extern void mfont__free_realized (MRealizedFont *rfont); @@ -221,19 +256,15 @@ extern MSymbol mfont__set_spec_from_plist (MFont *spec, MPlist *plist); extern void mfont__resize (MFont *spec, MFont *request); -extern int mfont__encodable_p (MRealizedFont *rfont, MSymbol layouter_name, - int c); - extern unsigned mfont__encode_char (MRealizedFont *rfont, int c); extern MRealizedFont *mfont__select (MFrame *frame, MFont *spec, - MFont *request, int limitted_size); + MFont *request, int limitted_size, + MSymbol layouter); extern int mfont__open (MRealizedFont *rfont); -extern void mfont__close (MRealizedFont *rfont); - -extern void mfont__get_metric (MRealizedFont *rfont, MGlyph *g); +extern void mfont__get_metric (MGlyphString *gstring, int from, int to); extern void mfont__set_property (MFont *font, enum MFontProperty key, MSymbol val); @@ -245,9 +276,12 @@ extern void mfont__set_spec (MFont *font, MSymbol attrs[MFONT_PROPERTY_MAX], unsigned short size, unsigned short resy); +extern int mfont__parse_name_into_font (char *name, MSymbol format, + MFont *font); + extern unsigned mfont__flt_encode_char (MSymbol layouter_name, int c); extern int mfont__flt_run (MGlyphString *gstring, int from, int to, - MSymbol layouter_name, MRealizedFace *ascii_rface); + MRealizedFace *rface); #endif /* _M17N_FONT_H_ */