X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Ffont-ft.c;h=41b6aab6f31b0d0e51e0b2d5818c2799d3d6d9ea;hb=202bb8f7ba8fdf81600faa8bf46f36e994b226d6;hp=6c4accaa8d26e41898db7cd95a566f959f8fa849;hpb=26fcc8029a765f3419d749f0112ebe49ec1d112f;p=m17n%2Fm17n-lib.git diff --git a/src/font-ft.c b/src/font-ft.c index 6c4acca..41b6aab 100644 --- a/src/font-ft.c +++ b/src/font-ft.c @@ -36,484 +36,1203 @@ #include "internal.h" #include "plist.h" #include "symbol.h" +#include "language.h" #include "internal-gui.h" #include "font.h" #include "face.h" #ifdef HAVE_FREETYPE +#ifdef HAVE_FTBDF_H #include +#endif + +static int mdebug_mask = MDEBUG_FONT; #ifdef HAVE_FONTCONFIG -#include +static FcConfig *fc_config; +static MSymbol Mgeneric_family; +#endif /* HAVE_FONTCONFIG */ -int fontconfig_initialized = 0; -FcConfig *fc_config; -#endif /* not HAVE_FONTCONFIG */ +/* Font properties; Mnormal is already defined in face.c. */ +static MSymbol Mmedium, Mr, Mnull; -static MSymbol Municode_bmp, Municode_full, Miso10646_1, Miso8859_1; +static MSymbol M0_3, M3_1, M1_0; static FT_Library ft_library; +#ifdef HAVE_OTF +static OTF *invalid_otf = (OTF *) ""; +#endif /* HAVE_OTF */ + +typedef struct +{ + MFont font; + MPlist *lang; +#ifdef HAVE_OTF + /* NULL if not yet opened. invalid_otf if not OTF. */ + OTF *otf; +#endif /* HAVE_OTF */ +#ifdef HAVE_FONTCONFIG + FcLangSet *langset; + FcCharSet *charset; +#endif /* HAVE_FONTCONFIG */ +} MFontFT; + typedef struct { - MSymbol ft_style; - MSymbol weight, style, stretch; + M17NObject control; + FT_Face ft_face; + MPlist *charmap_list; +} MRealizedFontFT; + +typedef struct +{ + char *ft_style; + int len; + enum MFontProperty prop; + char *val; } MFTtoProp; -static int ft_to_prop_size; -static MFTtoProp *ft_to_prop; +static MFTtoProp ft_to_prop[] = + { { "italic", 0, MFONT_STYLE, "i" }, + { "roman", 0, MFONT_STYLE, "r" }, + { "oblique", 0, MFONT_STYLE, "o" }, + { "regular", 0, MFONT_WEIGHT, "normal" }, + { "normal", 0, MFONT_WEIGHT, "normal" }, + /* We need this entry even if "bold" is in commone_weight[] to + handle such style names as "bolditalic" and "boldoblique". */ + { "bold", 0, MFONT_WEIGHT, "bold" }, + { "demi bold", 0, MFONT_WEIGHT, "demibold" }, + { "demi", 0, MFONT_WEIGHT, "demibold" } }; +static int ft_to_prop_size = sizeof ft_to_prop / sizeof ft_to_prop[0]; /** List of FreeType fonts. Keys are family names, values are plists - contains fonts of the corresponding family. In the deeper plist, - keys are Mt, values are (MFTInfo *). */ + containing fonts of the corresponding family. In the deeper + plist, keys are file names, values are (MFontFT *). */ static MPlist *ft_font_list; -static int all_fonts_scaned; +/** List of FreeType fonts. Keys are script names, values are plists + containing fonts supporting the corresponding script. In the + deeper plist, keys are family names, values are (MFontFT *). */ +static MPlist *ft_script_list; -/** Return 0 if NAME implies TrueType or OpenType fonts. Othersize - return -1. */ +/** List of FreeType fonts. Keys are language names, values are + plists containing fonts supporting the corresponding language. In + the deeper plist, keys are family names, values are (MFontFT *). */ +static MPlist *ft_language_list; -static int -check_otf_filename (const char *name) -{ - int len = strlen (name); - const char *ext = name + (len - 4); - - if (len < 5 - || (memcmp (ext, ".ttf", 4) - && memcmp (ext, ".TTF", 4) - && memcmp (ext, ".otf", 4) - && memcmp (ext, ".OTF", 4))) - return -1; - return 0; -} +static MPlist *ft_file_list; -/** Setup members of FT_INFO from FT_FACE. Return the family name. */ +static int all_fonts_scaned; -static MSymbol -set_font_info (FT_Face ft_face, MFTInfo *ft_info, MSymbol family) -{ - MFont *font = &ft_info->font; - MSymbol style; - int len; - char *buf, *p; - MPlist *charmap_list; - int unicode_bmp = -1, unicode_full = -1, unicode = -1; - int i; +#define STRDUP_LOWER(s1, size, s2) \ + do { \ + int len = strlen (s2) + 1; \ + char *p1, *p2; \ + \ + if ((size) < len) \ + (s1) = alloca (len), (size) = len; \ + for (p1 = (s1), p2 = (s2); *p2; p1++, p2++) \ + *p1 = (*p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2); \ + *p1 = *p2; \ + } while (0) - MFONT_INIT (font); - if (family == Mnil) - { - len = strlen (ft_face->family_name) + 1; - buf = (char *) alloca (len); - memcpy (buf, ft_face->family_name, len); - for (p = buf; *p; p++) - if (*p >= 'A' && *p <= 'Z') - *p += 'a' - 'A'; - family = msymbol (buf); - } - mfont__set_property (font, MFONT_FAMILY, family); +static void +free_ft_rfont (void *object) +{ + MRealizedFontFT *ft_rfont = object; - if (ft_face->style_name) - { - len = strlen (ft_face->style_name) + 1; - buf = (char *) alloca (len); - memcpy (buf, ft_face->style_name, len); - for (p = buf; *p; p++) - if (*p >= 'A' && *p <= 'Z') - *p += 'a' - 'A'; - style = msymbol (buf); - for (i = 0; i < ft_to_prop_size; i++) - if (ft_to_prop[i].ft_style == style) - { - mfont__set_property (font, MFONT_WEIGHT, ft_to_prop[i].weight); - mfont__set_property (font, MFONT_STYLE, ft_to_prop[i].style); - mfont__set_property (font, MFONT_STRETCH, ft_to_prop[i].stretch); - break; - } - } - else - i = ft_to_prop_size; + M17N_OBJECT_UNREF (ft_rfont->charmap_list); + FT_Done_Face (ft_rfont->ft_face); + free (ft_rfont); +} - if (i == ft_to_prop_size) - { - mfont__set_property (font, MFONT_WEIGHT, msymbol ("medium")); - mfont__set_property (font, MFONT_STYLE, msymbol ("r")); - mfont__set_property (font, MFONT_STRETCH, msymbol ("normal")); - } +static void +free_ft_info (MFontFT *ft_info) +{ + M17N_OBJECT_UNREF (ft_info->lang); +#ifdef HAVE_OTF + if (ft_info->otf && ft_info->otf != invalid_otf) + OTF_close (ft_info->otf); +#endif /* HAVE_OTF */ + free (ft_info); +} - mfont__set_property (font, MFONT_ADSTYLE, msymbol ("")); +static MPlist * +ft_get_charmaps (FT_Face ft_face) +{ + MPlist *plist = mplist (); + int unicode_bmp = -1, unicode_full = -1; + int i; - charmap_list = mplist (); - mplist_add (charmap_list, Mt, (void *) -1); + mplist_add (plist, Mt, (void *) -1); for (i = 0; i < ft_face->num_charmaps; i++) { - char registry_buf[16]; - MSymbol registry; + MSymbol registry = Mnil; - sprintf (registry_buf, "%d-%d", - ft_face->charmaps[i]->platform_id, - ft_face->charmaps[i]->encoding_id); - registry = msymbol (registry_buf); - mplist_add (charmap_list, registry, (void *) i); - if (ft_face->charmaps[i]->platform_id == 0) { if (ft_face->charmaps[i]->encoding_id == 3) - unicode_bmp = i; + registry = M0_3, unicode_bmp = i; else if (ft_face->charmaps[i]->encoding_id == 4) unicode_full = i; } else if (ft_face->charmaps[i]->platform_id == 3) { if (ft_face->charmaps[i]->encoding_id == 1) - unicode_bmp = i; + registry = M3_1, unicode_bmp = i; else if (ft_face->charmaps[i]->encoding_id == 10) unicode_full = i; } else if (ft_face->charmaps[i]->platform_id == 1 && ft_face->charmaps[i]->encoding_id == 0) - mplist_add (charmap_list, msymbol ("apple-roman"), (void *) i); + { + registry = M1_0; + mplist_add (plist, Mapple_roman, (void *) i); + } + if (registry == Mnil) + { + char registry_buf[16]; + + sprintf (registry_buf, "%d-%d", + ft_face->charmaps[i]->platform_id, + ft_face->charmaps[i]->encoding_id); + registry = msymbol (registry_buf); + } + mplist_add (plist, registry, (void *) i); } if (unicode_full >= 0) { - mplist_add (charmap_list, Municode_full, (void *) unicode_full); - mplist_add (charmap_list, Municode_bmp, (void *) unicode_full); - mplist_add (charmap_list, Miso10646_1, (void *) unicode_full); - unicode = unicode_full; + mplist_add (plist, Municode_full, (void *) unicode_full); + mplist_add (plist, Municode_bmp, (void *) unicode_full); } else if (unicode_bmp >= 0) { - mplist_add (charmap_list, Municode_bmp, (void *) unicode_bmp); - mplist_add (charmap_list, Miso10646_1, (void *) unicode_bmp); - unicode = unicode_bmp; - } - if (unicode >= 0) - { - FT_Set_Charmap (ft_face, ft_face->charmaps[unicode]); - for (i = 255; i >= 32; i--) - { - if (i == 160) - i = 126; - if (FT_Get_Char_Index (ft_face, (FT_ULong) i) == 0) - break; - } - if (i == 31) - mplist_add (charmap_list, Miso8859_1, (void *) unicode); + mplist_add (plist, Municode_bmp, (void *) unicode_bmp); } + return plist; +} - ft_info->charmap_list = charmap_list; +#ifdef HAVE_FONTCONFIG - if (! FT_IS_SCALABLE (ft_face)) +typedef struct +{ + int fc_value; + char *m17n_value; + MSymbol sym; +} FC_vs_M17N_font_prop; + +static FC_vs_M17N_font_prop fc_weight_table[] = + { { FC_WEIGHT_THIN, "thin" }, + { FC_WEIGHT_ULTRALIGHT, "extralight" }, + { FC_WEIGHT_LIGHT, "light" }, +#ifdef FC_WEIGHT_BOOK + { FC_WEIGHT_BOOK, "book" }, +#endif /* FC_WEIGHT_BOOK */ + { FC_WEIGHT_NORMAL, "normal" }, + { FC_WEIGHT_MEDIUM, "medium" }, + { FC_WEIGHT_DEMIBOLD, "demibold" }, + { FC_WEIGHT_BOLD, "bold" }, + { FC_WEIGHT_EXTRABOLD, "extrabold" }, + { FC_WEIGHT_BLACK, "black" }, + { FC_WEIGHT_HEAVY, "heavy" }, + { FC_WEIGHT_MEDIUM, NULL } }; +int fc_weight_table_size = + sizeof fc_weight_table / sizeof (FC_vs_M17N_font_prop); + +static FC_vs_M17N_font_prop fc_slant_table[] = + { { FC_SLANT_ROMAN, "r" }, + { FC_SLANT_ITALIC, "i" }, + { FC_SLANT_OBLIQUE, "o" }, + { FC_SLANT_ROMAN, NULL } }; +int fc_slant_table_size = + sizeof fc_slant_table / sizeof (FC_vs_M17N_font_prop); + +static FC_vs_M17N_font_prop fc_width_table[] = + { { FC_WIDTH_ULTRACONDENSED, "ultracondensed" }, + { FC_WIDTH_EXTRACONDENSED, "extracondensed" }, + { FC_WIDTH_CONDENSED, "condensed" }, + { FC_WIDTH_SEMICONDENSED, "semicondensed" }, + { FC_WIDTH_NORMAL, "normal" }, + { FC_WIDTH_SEMIEXPANDED, "semiexpanded" }, + { FC_WIDTH_EXPANDED, "expanded" }, + { FC_WIDTH_EXTRAEXPANDED, "extraexpanded" }, + { FC_WIDTH_ULTRAEXPANDED, "ultraexpanded" }, + { FC_WIDTH_NORMAL, NULL } }; +int fc_width_table_size = + sizeof fc_width_table / sizeof (FC_vs_M17N_font_prop); + + +static FC_vs_M17N_font_prop *fc_all_table[] = + { fc_weight_table, fc_slant_table, fc_width_table }; + +static MSymbol +fc_decode_prop (int val, FC_vs_M17N_font_prop *table, int size) +{ + int i = size / 2; + + if (val < table[i].fc_value) { - BDF_PropertyRec prop; - - FT_Get_BDF_Property (ft_face, "PIXEL_SIZE", &prop); - font->property[MFONT_SIZE] = prop.u.integer * 10; - FT_Get_BDF_Property (ft_face, "RESOLUTION_Y", &prop); - font->property[MFONT_RESY] = prop.u.integer; + for (i--; i >= 0; i--) + if (val > table[i].fc_value) + break; + i++; + } + else + { + for (; i < size; i++) + if (val <= table[i].fc_value) + break; } + return table[i].sym; +} + +static int +fc_encode_prop (MSymbol sym, FC_vs_M17N_font_prop *table) +{ + int i; - return family; + for (i = 0; table[i].m17n_value; i++) + if (table[i].sym == sym) + break; + return table[i].fc_value; } +FcPattern * +fc_get_pattern (MFont *font) +{ + FcPattern *pat = FcPatternCreate (); + MSymbol sym, weight, style, stretch; + + + if ((sym = (MSymbol) FONT_PROPERTY (font, MFONT_FOUNDRY)) != Mnil) + FcPatternAddString (pat, FC_FOUNDRY, (FcChar8 *) MSYMBOL_NAME (sym)); + if ((sym = (MSymbol) FONT_PROPERTY (font, MFONT_FAMILY)) != Mnil) + FcPatternAddString (pat, FC_FAMILY, (FcChar8 *) MSYMBOL_NAME (sym)); + if ((weight = (MSymbol) FONT_PROPERTY (font, MFONT_WEIGHT)) != Mnil) + FcPatternAddInteger (pat, FC_WEIGHT, + fc_encode_prop (weight, fc_weight_table)); + if ((style = (MSymbol) FONT_PROPERTY (font, MFONT_STYLE)) != Mnil) + FcPatternAddInteger (pat, FC_SLANT, + fc_encode_prop (style, fc_slant_table)); + if ((stretch = (MSymbol) FONT_PROPERTY (font, MFONT_STRETCH)) != Mnil) + FcPatternAddInteger (pat, FC_WIDTH, + fc_encode_prop (stretch, fc_width_table)); + if (font->size > 0) + { + double size = font->size; + FcPatternAddDouble (pat, FC_PIXEL_SIZE, size / 10); + } + return pat; +} static void -close_ft (void *object) +fc_parse_pattern (FcPattern *pat, char *family, MFont *font) { - MFTInfo *ft_info = object; + FcChar8 *str; + int val; + double size; + char *buf; + int bufsize = 0; + MSymbol sym; - if (ft_info->ft_face) + MFONT_INIT (font); + if (FcPatternGetString (pat, FC_FOUNDRY, 0, &str) == FcResultMatch) { - if (ft_info->extra_info) - M17N_OBJECT_UNREF (ft_info->extra_info); - FT_Done_Face (ft_info->ft_face); -#ifdef HAVE_OTF - if (ft_info->otf) - OTF_close (ft_info->otf); -#endif /* HAVE_OTF */ + STRDUP_LOWER (buf, bufsize, (char *) str); + mfont__set_property (font, MFONT_FOUNDRY, msymbol (buf)); } - free (ft_info->filename); - M17N_OBJECT_UNREF (ft_info->charmap_list); - free (ft_info); + if (family) + mfont__set_property (font, MFONT_FAMILY, msymbol (family)); + else if (FcPatternGetString (pat, FC_FAMILY, 0, &str) == FcResultMatch) + { + STRDUP_LOWER (buf, bufsize, (char *) str); + mfont__set_property (font, MFONT_FAMILY, msymbol (buf)); + } + if (FcPatternGetInteger (pat, FC_WEIGHT, 0, &val) == FcResultMatch) + { + sym = fc_decode_prop (val, fc_weight_table, fc_weight_table_size); + mfont__set_property (font, MFONT_WEIGHT, sym); + } + if (FcPatternGetInteger (pat, FC_SLANT, 0, &val) == FcResultMatch) + { + sym = fc_decode_prop (val, fc_slant_table, fc_slant_table_size); + mfont__set_property (font, MFONT_STYLE, sym); + } + if (FcPatternGetInteger (pat, FC_WIDTH, 0, &val) == FcResultMatch) + { + sym = fc_decode_prop (val, fc_width_table, fc_width_table_size); + mfont__set_property (font, MFONT_STRETCH, sym); + } + mfont__set_property (font, MFONT_REGISTRY, Municode_bmp); + font->type = MFONT_TYPE_SPEC; + font->source = MFONT_SOURCE_FT; + if (FcPatternGetDouble (pat, FC_PIXEL_SIZE, 0, &size) == FcResultMatch) + font->size = size * 10; + if (FcPatternGetString (pat, FC_FILE, 0, &str) == FcResultMatch) + font->file = msymbol ((char *) str); } -static void -add_font_info (char *filename, MSymbol family) + +static MFontFT * +fc_gen_font (FcPattern *pat, char *family) +{ + MFontFT *ft_info; + + MSTRUCT_CALLOC (ft_info, MERROR_FONT_FT); + fc_parse_pattern (pat, family, &ft_info->font); + ft_info->font.type = MFONT_TYPE_OBJECT; + return ft_info; +} + +#else /* not HAVE_FONTCONFIG */ + +static MPlist * +ft_add_font (char *filename) { FT_Face ft_face; - BDF_PropertyRec prop; - MFTInfo *ft_info = NULL; + char *stylename; + int size = 0; + MSymbol family; + MFontFT *ft_info; + MFont *font; + MPlist *plist; + int i; + char *buf; + int bufsize = 0; - if (FT_New_Face (ft_library, filename, 0, &ft_face) == 0) + if (FT_New_Face (ft_library, filename, 0, &ft_face) != 0) + return NULL; + if (! FT_IS_SCALABLE (ft_face)) { - if (FT_IS_SCALABLE (ft_face) - || FT_Get_BDF_Property (ft_face, "PIXEL_SIZE", &prop) == 0) + int reject; +#ifdef HAVE_FTBDF_H + BDF_PropertyRec prop; + + reject = FT_Get_BDF_Property (ft_face, "PIXEL_SIZE", &prop) == 0; + size = prop.u.integer * 10; +#else /* not HAVE_FTBDF_H */ + reject = 1; +#endif /* not HAVE_FTBDF_H */ + if (reject) { - MSymbol fam; - MPlist *plist; - - M17N_OBJECT (ft_info, close_ft, MERROR_FONT_FT); - ft_info->filename = strdup (filename); - ft_info->otf_flag = check_otf_filename (filename); - fam = set_font_info (ft_face, ft_info, family); - plist = mplist_get (ft_font_list, fam); - if (! plist) - { - plist = mplist (); - mplist_add (ft_font_list, fam, plist); - } - mplist_add (plist, fam, ft_info); + FT_Done_Face (ft_face); + return NULL; } - FT_Done_Face (ft_face); } + + MSTRUCT_CALLOC (ft_info, MERROR_FONT_FT); + font = &ft_info->font; + STRDUP_LOWER (buf, bufsize, ft_face->family_name); + family = msymbol (buf); + mfont__set_property (font, MFONT_FAMILY, family); + mfont__set_property (font, MFONT_WEIGHT, Mmedium); + mfont__set_property (font, MFONT_STYLE, Mr); + mfont__set_property (font, MFONT_STRETCH, Mnormal); + mfont__set_property (font, MFONT_ADSTYLE, Mnull); + mfont__set_property (font, MFONT_REGISTRY, Municode_bmp); + font->type = MFONT_TYPE_OBJECT; + font->source = MFONT_SOURCE_FT; + font->size = size; + font->file = msymbol (filename); + + stylename = ft_face->style_name; + while (*stylename) + { + for (i = 0; i < ft_to_prop_size; i++) + if (! strncasecmp (ft_to_prop[i].ft_style, stylename, + ft_to_prop[i].len)) + { + mfont__set_property (font, ft_to_prop[i].prop, + msymbol (ft_to_prop[i].val)); + stylename += ft_to_prop[i].len; + break; + } + if (i == ft_to_prop_size) + { + char *p1 = stylename + 1; + MSymbol sym; + + while (*p1 >= 'a' && *p1 <= 'z') p1++; + sym = msymbol__with_len (stylename, p1 - stylename); + for (i = MFONT_WEIGHT; i <= MFONT_STRETCH; i++) + if (msymbol_get (sym, mfont__property_table[i].property)) + { + mfont__set_property (font, i, sym); + break; + } + stylename = p1; + } + while (*stylename && ! isalpha (*stylename)) + stylename++; + } + + FT_Done_Face (ft_face); + + plist = mplist_find_by_key (ft_font_list, family); + if (plist) + mplist_push (MPLIST_PLIST (plist), font->file, ft_info); + else + { + plist = mplist (); + mplist_add (plist, font->file, ft_info); + plist = mplist_push (ft_font_list, family, plist); + } + return plist; } -#ifdef HAVE_FONTCONFIG +#endif /* not HAVE_FONTCONFIG */ -static void -fc_list (MSymbol family) + +/* Return an element of ft_font_list for FAMILY. If FAMILY is Mnil, + scan all fonts and return ft_font_list. */ + +static MPlist * +ft_list_family (MSymbol family, int check_generic) { + MPlist *plist; +#ifdef HAVE_FONTCONFIG + char *fam; + MPlist *pl, *p; FcPattern *pattern; FcObjectSet *os; FcFontSet *fs; int i; + char *buf; + int bufsize = 0; + MSymbol generic; - if (! fc_config) + if (! ft_font_list) + { + MSymbol sym; + + plist = ft_font_list = mplist (); + pattern = FcPatternCreate (); + os = FcObjectSetBuild (FC_FAMILY, NULL); + fs = FcFontList (fc_config, pattern, os); + for (i = 0; i < fs->nfont; i++) + { + if (FcPatternGetString (fs->fonts[i], FC_FAMILY, 0, + (FcChar8 **) &fam) != FcResultMatch) + continue; + STRDUP_LOWER (buf, bufsize, fam); + sym = msymbol (buf); + if (! mplist_find_by_key (ft_font_list, sym)) + plist = mplist_add (plist, sym, NULL); + } + FcFontSetDestroy (fs); + FcObjectSetDestroy (os); + FcPatternDestroy (pattern); + } + + if (family == Mnil) + { + if (! all_fonts_scaned) + { + MPLIST_DO (plist, ft_font_list) + { + if (! MPLIST_VAL (plist)) + ft_list_family (MPLIST_KEY (plist), 0); + } + all_fonts_scaned = 1; + } + return ft_font_list; + } + + plist = mplist_find_by_key (ft_font_list, family); + if (plist) + { + if (! MPLIST_VAL (plist)) + { + fam = MSYMBOL_NAME (family); + pattern = FcPatternCreate (); + FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *) fam); + os = FcObjectSetBuild (FC_FOUNDRY, FC_WEIGHT, FC_SLANT, FC_WIDTH, + FC_PIXEL_SIZE, FC_FILE, NULL); + fs = FcFontList (fc_config, pattern, os); + p = pl = mplist (); + for (i = 0; i < fs->nfont; i++) + { + MFontFT *ft_info = fc_gen_font (fs->fonts[i], fam); + p = mplist_add (p, ft_info->font.file, ft_info); + } + MPLIST_VAL (plist) = pl; + FcFontSetDestroy (fs); + FcObjectSetDestroy (os); + FcPatternDestroy (pattern); + } + } + else if (check_generic + && (generic = msymbol_get (family, Mgeneric_family)) != Mnil) + { + /* Check if FAMILY is a geneneric family (e.g. `serif'). */ + FcChar8 *fam8; + + if (family != generic) + plist = ft_list_family (generic, 1); + else + { + fam = MSYMBOL_NAME (family); + plist = mplist (); + mplist_push (ft_font_list, family, plist); + pattern = FcPatternBuild (NULL, FC_FAMILY, FcTypeString, fam, NULL); + FcConfigSubstitute (fc_config, pattern, FcMatchPattern); + for (i = 0; 1; i++) + { + if (FcPatternGetString (pattern, FC_FAMILY, i, &fam8) + != FcResultMatch) + break; + STRDUP_LOWER (buf, bufsize, (char *) fam8); + family = msymbol (buf); + if (msymbol_get (family, Mgeneric_family)) + break; + pl = ft_list_family (family, 0); + if (! pl) + continue; + MPLIST_DO (pl, MPLIST_PLIST (pl)) + plist = mplist_add (plist, Mt, MPLIST_VAL (pl)); + } + plist = ft_font_list; + } + } + else + plist = mplist_add (ft_font_list, family, mplist ()); + +#else /* not HAVE_FONTCONFIG */ + + if (! all_fonts_scaned) { - char *pathname; - struct stat buf; MPlist *plist; + struct stat buf; + char *pathname; + char *path; + USE_SAFE_ALLOCA; - FcInit (); - fc_config = FcConfigGetCurrent (); + ft_font_list = mplist (); MPLIST_DO (plist, mfont_freetype_path) if (MPLIST_STRING_P (plist) && (pathname = MPLIST_STRING (plist)) && stat (pathname, &buf) == 0) - FcConfigAppFontAddDir (fc_config, (FcChar8 *) pathname); + { + if (S_ISREG (buf.st_mode)) + ft_add_font (pathname); + else if (S_ISDIR (buf.st_mode)) + { + DIR *dir = opendir (pathname); + + if (dir) + { + int len = strlen (pathname); + struct dirent *dp; + + while ((dp = readdir (dir)) != NULL) + { + SAFE_ALLOCA (path, len + strlen (dp->d_name) + 2); + strcpy (path, pathname); + path[len] = '/'; + strcpy (path + len + 1, dp->d_name); + ft_add_font (path); + } + closedir (dir); + } + } + } + SAFE_FREE (path); + all_fonts_scaned = 1; } + if (family == Mnil) + plist = ft_font_list; + else + { + plist = mplist_find_by_key (ft_font_list, family); + if (! plist) + plist = mplist_push (ft_font_list, family, mplist ()); + } +#endif /* not HAVE_FONTCONFIG */ - pattern = FcPatternCreate (); - if (family) - FcPatternAddString (pattern, FC_FAMILY, - (FcChar8 *) (msymbol_name (family))); - os = FcObjectSetBuild (FC_FILE, FC_FOUNDRY, FC_FAMILY, FC_STYLE, FC_PIXEL_SIZE, NULL); - fs = FcFontList (fc_config, pattern, os); - if (fs) + return plist; +} + +static MPlist * +ft_list_language (MSymbol language) +{ + MPlist *plist = NULL; + MText *mt; + int step; + + if (! ft_language_list) + ft_language_list = mplist (); + else if ((plist = mplist_find_by_key (ft_language_list, language))) + return (MPLIST_VAL (plist) ? MPLIST_PLIST (plist) : NULL); + +#ifdef HAVE_FONTCONFIG + for (step = 0; step < 2; step++) { - for (i = 0; i < fs->nfont; i++) + FcPattern *pattern = NULL; + FcObjectSet *os = NULL; + FcFontSet *fs = NULL; + char *buf; + int bufsize = 0; + int i; + + if (! (pattern = FcPatternCreate ()) + || ! (os = FcObjectSetBuild (FC_FAMILY, FC_FILE, NULL))) + goto err; + if (step == 0) { - char *filename; + FcLangSet *ls = FcLangSetCreate (); + + if (! ls) + goto err; + if (FcLangSetAdd (ls, (FcChar8 *) MSYMBOL_NAME (language)) + && FcPatternAddLangSet (pattern, FC_LANG, ls)) + fs = FcFontList (fc_config, pattern, os); + FcLangSetDestroy (ls); + if (! fs) + goto err; + } + else + { + FcCharSet *cs; + + if (! (mt = msymbol_get (language, Mtext))) + break; + if (! (cs = FcCharSetCreate ())) + goto err; + for (i = mtext_nchars (mt) - 1; i >= 0; i--) + if (! FcCharSetAddChar (cs, (FcChar32) mtext_ref_char (mt, i))) + break; + if (i < 0) + { + if (FcPatternAddCharSet (pattern, FC_CHARSET, cs)) + fs = FcFontList (fc_config, pattern, os); + } + FcCharSetDestroy (cs); + if (! fs) + goto err; + } - FcPatternGetString (fs->fonts[i], FC_FILE, 0, (FcChar8 **) &filename); - add_font_info (filename, family); + for (i = 0; i < fs->nfont; i++) + { + MSymbol family, file; + char *fam, *filename; + MPlist *pl; + MFontFT *ft_info; + + if (FcPatternGetString (fs->fonts[i], FC_FAMILY, 0, + (FcChar8 **) &fam) != FcResultMatch) + continue; + if (FcPatternGetString (fs->fonts[i], FC_FILE, 0, + (FcChar8 **) &filename) != FcResultMatch) + continue; + STRDUP_LOWER (buf, bufsize, fam); + family = msymbol (buf); + file = msymbol (filename); + pl = MPLIST_PLIST (ft_list_family (family, 0)); + ft_info = mplist_get (pl, file); + if (ft_info) + { + if (! plist) + plist = mplist (); + mplist_add (plist, family, ft_info); + } } FcFontSetDestroy (fs); + FcObjectSetDestroy (os); + FcPatternDestroy (pattern); + continue; + + err: + if (os) + FcObjectSetDestroy (os); + if (pattern) + FcPatternDestroy (pattern); + MEMORY_FULL (MERROR_FONT_FT); + return NULL; } - FcObjectSetDestroy (os); - FcPatternDestroy (pattern); + + mplist_push (ft_language_list, language, plist); + return plist; + +#else /* not HAVE_FONTCONFIG */ + + if ((mt = msymbol_get (language, Mtext))) + { + MPlist *pl, *p; + int len = mtext_nchars (mt); + int i; + + if (! ft_font_list) + ft_list_family (Mnil, 0); + MPLIST_DO (pl, ft_font_list) + { + MPLIST_DO (p, MPLIST_PLIST (pl)) + { + MFontFT *ft_info = MPLIST_VAL (p); + MSymbol family; + FT_Face ft_face; + + if (FT_New_Face (ft_library, MSYMBOL_NAME (ft_info->font.file), + 0, &ft_face) != 0) + continue; + for (i = 0; i < len; i++) + if (FT_Get_Char_Index (ft_face, + (FT_ULong) mtext_ref_char (mt, i)) == 0) + break; + FT_Done_Face (ft_face); + if (i < len) + continue; + if (! plist) + plist = mplist (); + family = mfont_get_prop (&ft_info->font, Mfamily); + mplist_push (plist, family, ft_info); + } + } + } + return plist; +#endif /* not HAVE_FONTCONFIG */ } -#else /* not HAVE_FONTCONFIG */ +static MPlist * +ft_list_script (MSymbol script) +{ + MPlist *plist = NULL; + MPlist *language_list, *pl; -static void -ft_list () + if (! ft_script_list) + ft_script_list = mplist (); + else if ((plist = mplist_find_by_key (ft_script_list, script))) + return (MPLIST_VAL (plist) ? MPLIST_PLIST (plist) : NULL); + + language_list = mlanguage__list (script); + MPLIST_DO (pl, language_list) + { + MSymbol language = MPLIST_VAL (pl) ? MPLIST_SYMBOL (pl) : MPLIST_KEY (pl); + MPlist *p = ft_list_language (language); + MSymbol family; + + if (! p) + continue; + if (! plist) + plist = mplist (); + MPLIST_DO (p, p) + { + family = MPLIST_KEY (p); + if (! mplist_find_by_value (plist, MPLIST_VAL (p))) + mplist_add (plist, family, MPLIST_VAL (p)); + } + } + mplist_push (ft_script_list, script, plist); + M17N_OBJECT_UNREF (language_list); + return (plist); +} + +static int +ft_check_otf (MFontFT *ft_info, MFontCapability *cap) +{ + if (ft_info->otf == invalid_otf) + return -1; + if (! ft_info->otf) + { + ft_info->otf = OTF_open (MSYMBOL_NAME (ft_info->font.file)); + if (! ft_info->otf) + { + ft_info->otf = invalid_otf; + return -1; + } + } + if (cap->features[MFONT_OTT_GSUB].nfeatures + && cap->features[MFONT_OTT_GSUB].tags[0] + && (OTF_check_features + (ft_info->otf, 1, + cap->script_tag, cap->langsys_tag, + cap->features[MFONT_OTT_GSUB].tags, + cap->features[MFONT_OTT_GSUB].nfeatures) != 1)) + return -1; + if (cap->features[MFONT_OTT_GPOS].nfeatures + && cap->features[MFONT_OTT_GPOS].tags[0] + && (OTF_check_features + (ft_info->otf, 0, + cap->script_tag, cap->langsys_tag, + cap->features[MFONT_OTT_GPOS].tags, + cap->features[MFONT_OTT_GPOS].nfeatures) != 1)) + return -1; + return 0; +} + +static int +ft_check_lang (MFontFT *ft_info, MFontCapability *cap) { +#ifdef HAVE_FONTCONFIG MPlist *plist; - struct stat buf; - char *pathname; + MText *mt; + int i, j; + + for (i = 0; cap->lang[i] != Mnil; i++) + { + if (ft_info->lang + && (plist = mplist_find_by_key (ft_info->lang, cap->lang[i]))) + { + if (MPLIST_VAL (plist)) + return 0; + continue; + } + + if (! ft_info->langset) + { + FcPattern *pat = FcPatternBuild (NULL, FC_FILE, FcTypeString, + MSYMBOL_NAME (ft_info->font.file), + NULL); + FcObjectSet *os = FcObjectSetBuild (FC_LANG, FC_CHARSET, NULL); + FcFontSet *fs = FcFontList (fc_config, pat, os); + + if (fs->nfont == 0) + return -1; + if (FcPatternGetLangSet (fs->fonts[0], FC_LANG, 0, &ft_info->langset) + == FcResultMatch) + ft_info->langset = FcLangSetCopy (ft_info->langset); + else + ft_info->langset = FcLangSetCreate (); + FcPatternGetCharSet (fs->fonts[0], FC_CHARSET, 0, &ft_info->charset); + FcFontSetDestroy (fs); + FcObjectSetDestroy (os); + FcPatternDestroy (pat); + } + if (! ft_info->lang) + ft_info->lang = mplist (); + if (FcLangSetHasLang (ft_info->langset, + (FcChar8 *) MSYMBOL_NAME (cap->lang[i])) + == FcLangEqual) + { + mplist_push (ft_info->lang, cap->lang[i], Mt); + return 0; + } + + mt = msymbol_get (cap->lang[i], Mtext); + if (! mt) + { + mplist_push (ft_info->lang, cap->lang[i], Mnil); + continue; + } + + for (j = mtext_nchars (mt) - 1; j >= 0; j--) + if (! FcCharSetAddChar (ft_info->charset, + (FcChar32) mtext_ref_char (mt, j))) + break; + mplist_push (ft_info->lang, cap->lang[i], (j < 0 ? Mt : Mnil)); + if (j < 0) + return 0; + } +#endif /* HAVE_FONTCONFIG */ + return -1; +} - MPLIST_DO (plist, mfont_freetype_path) - if (MPLIST_STRING_P (plist) - && (pathname = MPLIST_STRING (plist)) - && stat (pathname, &buf) == 0) +static MPlist *ft_capability_list; + +static MPlist * +ft_list_capability (MSymbol sym) +{ + MPlist *plist, *pl, *p; + MFontCapability *cap = mfont__get_capability (sym); + + if (! cap) + return NULL; + if (ft_capability_list) + { + plist = mplist_find_by_key (ft_capability_list, sym); + if (plist) + return (MPLIST_VAL (plist) ? MPLIST_VAL (plist) : NULL); + } + else + { + plist = NULL; + ft_capability_list = mplist (); + } + + if (cap->script != Mnil) + { + pl = ft_list_script (cap->script); + if (pl) + MPLIST_DO (pl, pl) + { + if (cap->script_tag && ft_check_otf (MPLIST_VAL (pl), cap) < 0) + continue; + if (cap->lang && ft_check_lang (MPLIST_VAL (pl), cap) < 0) + continue; + if (! plist) + plist = mplist (); + mplist_add (plist, MPLIST_KEY (pl), MPLIST_VAL (pl)); + } + mplist_push (ft_capability_list, sym, plist); + return plist; + } + + if (cap->lang) + { + int i; + + for (i = 0; cap->lang[i] != Mnil; i++) + { + p = ft_list_language (cap->lang[i]); + if (p) + { + if (! plist) + plist = mplist (); + MPLIST_DO (p, p) + mplist_add (plist, MPLIST_KEY (p), MPLIST_VAL (p)); + } + } + } + mplist_push (ft_capability_list, sym, plist); + return plist; +} + + +static MPlist * +ft_list_file (MSymbol filename) +{ + MPlist *plist = NULL; + + if (! ft_file_list) + ft_file_list = mplist (); + else if ((plist = mplist_find_by_key (ft_file_list, filename))) + return (MPLIST_VAL (plist) ? MPLIST_PLIST (plist) : NULL); + +#ifdef HAVE_FONTCONFIG + { + FcPattern *pattern = FcPatternCreate (); + FcObjectSet *os; + FcFontSet *fs; + + FcPatternAddString (pattern, FC_FILE, (FcChar8 *) MSYMBOL_NAME (filename)); + os = FcObjectSetBuild (FC_FAMILY, NULL); + fs = FcFontList (fc_config, pattern, os); + if (fs->nfont > 0) { - if (S_ISREG (buf.st_mode)) - add_font_info (pathname, Mnil); - else if (S_ISDIR (buf.st_mode)) + char *fam; + char *buf; + int bufsize = 0; + + if (FcPatternGetString (fs->fonts[0], FC_FAMILY, 0, + (FcChar8 **) &fam) == FcResultMatch) { - int len = strlen (pathname); - char path[PATH_MAX]; - DIR *dir = opendir (pathname); - struct dirent *dp; + MSymbol family; + MPlist *pl; - if (dir) + STRDUP_LOWER (buf, bufsize, fam); + family = msymbol (buf); + pl = ft_list_family (family, 0); + MPLIST_DO (pl, MPLIST_PLIST (pl)) { - strcpy (path, pathname); - strcpy (path + len, "/"); - len++; - while ((dp = readdir (dir)) != NULL) + MFontFT *ft_info = MPLIST_VAL (pl); + + if (ft_info->font.file == filename) { - strcpy (path + len, dp->d_name); - add_font_info (path, Mnil); + plist = mplist (); + mplist_add (plist, family, ft_info); + break; } - closedir (dir); } } } -} + } +#else /* not HAVE_FONTCONFIG */ + { + MPlist *pl, *p; + + MPLIST_DO (pl, ft_list_family (Mnil, 0)) + { + MPLIST_DO (p, MPLIST_PLIST (pl)) + { + MFontFT *ft_info = MPLIST_VAL (pl); + if (ft_info->font.file == filename) + { + plist = mplist (); + mplist_add (plist, MPLIST_KEY (pl), ft_info); + break; + } + } + if (plist) + break; + } + } #endif /* not HAVE_FONTCONFIG */ + mplist_push (ft_file_list, filename, plist); + return plist; +} + /* The FreeType font driver function SELECT. */ -static MRealizedFont * -ft_select (MFrame *frame, MFont *spec, MFont *request, int limited_size) +static MFont * +ft_select (MFrame *frame, MFont *font, int limited_size) { - MPlist *plist, *pl; - MFTInfo *best_font; - int best_score; - MRealizedFont *rfont; - MSymbol family, registry; - - best_font = NULL; - best_score = 0; - family = FONT_PROPERTY (spec, MFONT_FAMILY); - if (family == Mnil) - family = FONT_PROPERTY (request, MFONT_FAMILY); - registry = FONT_PROPERTY (spec, MFONT_REGISTRY); - if (registry == Mnil) - registry = Mt; - - if (! ft_font_list) - ft_font_list = mplist (); + MFont *found = NULL; #ifdef HAVE_FONTCONFIG - if (family != Mnil) + MPlist *plist, *pl; + MFontFT *ft_info; + int check_font_property = 1; + + if (font->file != Mnil) { - plist = mplist_get (ft_font_list, family); + plist = ft_list_file (font->file); if (! plist) - { - fc_list (family); - plist = mplist_get (ft_font_list, family); - if (! plist) - { - mplist_add (ft_font_list, family, plist = mplist ()); - return NULL; - } - } + return NULL; + check_font_property = 0; } else { - if (! all_fonts_scaned) - { - fc_list (Mnil); - all_fonts_scaned = 1; - } - } -#else /* not HAVE_FONTCONFIG */ - if (! all_fonts_scaned) - { - ft_list (); - all_fonts_scaned = 1; - } - if (family != Mnil) - { - plist = mplist_get (ft_font_list, family); - if (! plist) + MSymbol family = FONT_PROPERTY (font, MFONT_FAMILY); + + if (! family) + return NULL; + plist = MPLIST_PLIST (ft_list_family (family, 1)); + if (MPLIST_TAIL_P (plist)) return NULL; } -#endif /* not HAVE_FONTCONFIG */ - if (family == Mnil) - plist = MPLIST_VAL (ft_font_list); + plist = mplist_copy (plist); - retry: - MPLIST_DO (pl, plist) + if (font->capability != Mnil) { - MFTInfo *ft_info = MPLIST_VAL (pl); - int score; + MFontCapability *cap = mfont__get_capability (font->capability); - if (! mplist_find_by_key (ft_info->charmap_list, registry)) - continue; - /* We always ignore FOUNDRY. */ - ft_info->font.property[MFONT_FOUNDRY] = spec->property[MFONT_FOUNDRY]; - score = mfont__score (&ft_info->font, spec, request, limited_size); - if (score >= 0 - && (! best_font - || best_score > score)) + for (pl = plist; ! MPLIST_TAIL_P (pl);) { - best_font = ft_info; - best_score = score; - if (score == 0) - break; + if ((cap->script_tag && ft_check_otf (MPLIST_VAL (pl), cap) < 0) + || (cap->lang && ft_check_lang (MPLIST_VAL (pl), cap) < 0)) + mplist_pop (pl); + else + pl = MPLIST_NEXT (pl); } } - if (family == Mnil) + + if (check_font_property) { - plist = MPLIST_NEXT (plist); - if (! MPLIST_TAIL_P (plist)) - goto retry; + MSymbol weight = FONT_PROPERTY (font, MFONT_WEIGHT); + MSymbol style = FONT_PROPERTY (font, MFONT_STYLE); + MSymbol stretch = FONT_PROPERTY (font, MFONT_STRETCH); + + if (weight != Mnil || style != Mnil || stretch != Mnil || font->size > 0) + for (pl = plist; ! MPLIST_TAIL_P (pl); ) + { + ft_info = MPLIST_VAL (pl); + if ((weight != Mnil + && weight != FONT_PROPERTY (&ft_info->font, MFONT_WEIGHT)) + || (style != Mnil + && style != FONT_PROPERTY (&ft_info->font, MFONT_STYLE)) + || (stretch != Mnil + && stretch != FONT_PROPERTY (&ft_info->font, + MFONT_STRETCH)) + || (font->size > 0 + && ft_info->font.size > 0 + && ft_info->font.size != font->size)) + mplist_pop (pl); + else + pl = MPLIST_NEXT (pl); + } } - if (! best_font) - return NULL; - MSTRUCT_CALLOC (rfont, MERROR_FONT_FT); - rfont->frame = frame; - rfont->spec = *spec; - rfont->request = *request; - rfont->font = best_font->font; - rfont->font.property[MFONT_SIZE] = request->property[MFONT_SIZE]; - rfont->font.property[MFONT_REGISTRY] = spec->property[MFONT_REGISTRY]; - rfont->score = best_score; - rfont->info = best_font; - M17N_OBJECT_REF (best_font); - return rfont; + MPLIST_DO (pl, plist) + { + font = MPLIST_VAL (plist); + if (limited_size == 0 + || font->size == 0 + || font->size <= limited_size) + { + found = font; + break; + } + } + M17N_OBJECT_UNREF (plist); +#endif + return found; } -/* The FreeType font driver function OPEN. */ - -static int -ft_open (MRealizedFont *rfont) +static MRealizedFont * +ft_open (MFrame *frame, MFont *font, MFont *spec, MRealizedFont *rfont) { - MFTInfo *base = rfont->info, *ft_info; - MSymbol registry = FONT_PROPERTY (&rfont->font, MFONT_REGISTRY); - int mdebug_mask = MDEBUG_FONT; - int size; - - M17N_OBJECT (ft_info, close_ft, MERROR_FONT_FT); - ft_info->font = base->font; - ft_info->filename = strdup (base->filename); - ft_info->otf_flag = base->otf_flag; - ft_info->charmap_list = base->charmap_list; - M17N_OBJECT_REF (ft_info->charmap_list); - M17N_OBJECT_UNREF (base); - rfont->info = ft_info; - - rfont->status = -1; - ft_info->ft_face = NULL; - if (FT_New_Face (ft_library, ft_info->filename, 0, &ft_info->ft_face)) - goto err; + MFontFT *ft_info = (MFontFT *) font; + int reg = spec->property[MFONT_REGISTRY]; + MSymbol registry = FONT_PROPERTY (spec, MFONT_REGISTRY); + MRealizedFontFT *ft_rfont; + FT_Face ft_face; + MPlist *plist, *charmap_list = NULL; + int charmap_index; + int size = font->size ? font->size : spec->size; + + if (rfont) + { + charmap_list = ((MRealizedFontFT *) rfont->info)->charmap_list; + for (; rfont; rfont = rfont->next) + if (rfont->font == font + && (rfont->font->size ? rfont->font->size == size + : rfont->spec.size == size) + && rfont->spec.property[MFONT_REGISTRY] == reg + && rfont->driver == &mfont__ft_driver) + return rfont; + } + + MDEBUG_PRINT3 (" [FONT-FT] opening %s-%d:file=%s ...", + MSYMBOL_NAME ((MSymbol) mfont_get_prop (font, Mfamily)), + size / 10, MSYMBOL_NAME (font->file)); + + if (FT_New_Face (ft_library, MSYMBOL_NAME (ft_info->font.file), 0, + &ft_face)) + { + font->type = MFONT_TYPE_FAILURE; + MDEBUG_PRINT ("failed\n"); + return NULL; + } + if (charmap_list) + M17N_OBJECT_REF (charmap_list); + else + charmap_list = ft_get_charmaps (ft_face); if (registry == Mnil) registry = Mt; - ft_info->charmap_index - = (int) mplist_get (((MFTInfo *) rfont->info)->charmap_list, registry); - if (ft_info->charmap_index >= 0 - && FT_Set_Charmap (ft_info->ft_face, - ft_info->ft_face->charmaps[ft_info->charmap_index])) - goto err; - size = rfont->font.property[MFONT_SIZE] / 10; - if (FT_Set_Pixel_Sizes (ft_info->ft_face, 0, size)) - goto err; - - MDEBUG_PRINT1 (" [FT-FONT] o %s\n", ft_info->filename); - rfont->status = 1; - rfont->ascent = ft_info->ft_face->ascender >> 6; - rfont->descent = - (ft_info->ft_face->descender >> 6); - return 0; + plist = mplist_find_by_key (charmap_list, registry); + if (! plist) + { + FT_Done_Face (ft_face); + M17N_OBJECT_UNREF (charmap_list); + MDEBUG_PRINT ("failed\n"); + return NULL; + } + charmap_index = (int) MPLIST_VAL (plist); + if (FT_Set_Charmap (ft_face, ft_face->charmaps[charmap_index]) + || FT_Set_Pixel_Sizes (ft_face, 0, size / 10)) + { + FT_Done_Face (ft_face); + M17N_OBJECT_UNREF (charmap_list); + font->type = MFONT_TYPE_FAILURE; + MDEBUG_PRINT ("failed\n"); + return NULL; + } - err: - MDEBUG_PRINT1 (" [FT-FONT] x %s\n", ft_info->filename); - if (ft_info->ft_face) - FT_Done_Face (ft_info->ft_face); - M17N_OBJECT_UNREF (ft_info->charmap_list); - free (ft_info->filename); - free (ft_info); - rfont->info = NULL; - return -1; + M17N_OBJECT (ft_rfont, free_ft_rfont, MERROR_FONT_FT); + ft_rfont->ft_face = ft_face; + ft_rfont->charmap_list = charmap_list; + MSTRUCT_CALLOC (rfont, MERROR_FONT_FT); + rfont->spec = *font; + rfont->spec.type = MFONT_TYPE_REALIZED; + rfont->spec.property[MFONT_REGISTRY] = reg; + rfont->spec.size = size; + rfont->frame = frame; + rfont->font = font; + rfont->driver = &mfont__ft_driver; + rfont->info = ft_rfont; + rfont->fontp = ft_face; + rfont->ascent = ft_face->size->metrics.ascender >> 6; + rfont->descent = - ft_face->size->metrics.descender >> 6; + rfont->max_advance = ft_face->size->metrics.max_advance >> 6; + rfont->next = MPLIST_VAL (frame->realized_font_list); + MPLIST_VAL (frame->realized_font_list) = rfont; + MDEBUG_PRINT ("ok\n"); + return rfont; } /* The FreeType font driver function FIND_METRIC. */ @@ -522,16 +1241,8 @@ static void ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring, int from, int to) { - MFTInfo *ft_info = (MFTInfo *) rfont->info; - FT_Face ft_face = ft_info->ft_face; + FT_Face ft_face = rfont->fontp; MGlyph *g = MGLYPH (from), *gend = MGLYPH (to); - FT_Int32 load_flags = FT_LOAD_RENDER; - -#ifdef FT_LOAD_TARGET_MONO - load_flags |= FT_LOAD_TARGET_MONO; -#else - load_flags |= FT_LOAD_MONOCHROME; -#endif for (; g != gend; g++) { @@ -540,20 +1251,23 @@ ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring, if (FT_IS_SCALABLE (ft_face)) { unsigned unitsPerEm = ft_face->units_per_EM; - int size = rfont->font.property[MFONT_SIZE] / 10; + int size = rfont->spec.size / 10; g->lbearing = 0; g->rbearing = ft_face->max_advance_width * size / unitsPerEm; - g->width = ft_face->max_advance_width * size / unitsPerEm; + g->width = g->rbearing; g->ascent = ft_face->ascender * size / unitsPerEm; g->descent = (- ft_face->descender) * size / unitsPerEm; } else { +#ifdef HAVE_FTBDF_H BDF_PropertyRec prop; +#endif g->lbearing = 0; g->rbearing = g->width = ft_face->available_sizes->width; +#ifdef HAVE_FTBDF_H if (FT_Get_BDF_Property (ft_face, "ASCENT", &prop) == 0) { g->ascent = prop.u.integer; @@ -561,6 +1275,7 @@ ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring, g->descent = prop.u.integer; } else +#endif { g->ascent = ft_face->available_sizes->height; g->descent = 0; @@ -570,14 +1285,8 @@ ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring, else { FT_Glyph_Metrics *metrics; - FT_UInt code; - if (g->otf_encoded) - code = g->code; - else - code = FT_Get_Char_Index (ft_face, (FT_ULong) g->code); - - FT_Load_Glyph (ft_face, code, FT_LOAD_RENDER); + FT_Load_Glyph (ft_face, (FT_UInt) g->code, FT_LOAD_DEFAULT); metrics = &ft_face->glyph->metrics; g->lbearing = (metrics->horiBearingX >> 6); g->rbearing = (metrics->horiBearingX + metrics->width) >> 6; @@ -588,25 +1297,90 @@ ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring, } } +static int +ft_has_char (MFrame *frame, MFont *font, MFont *spec, int c, unsigned code) +{ + MRealizedFont *rfont = NULL; + MRealizedFontFT *ft_rfont; + FT_UInt idx; + + if (font->type == MFONT_TYPE_REALIZED) + rfont = (MRealizedFont *) font; + else if (font->type == MFONT_TYPE_OBJECT) + { + for (rfont = MPLIST_VAL (frame->realized_font_list); rfont; + rfont = rfont->next) + if (rfont->font == font && rfont->driver == &mfont__ft_driver) + break; + if (! rfont) + { +#ifdef HAVE_FONTCONFIG + MFontFT *ft_info = (MFontFT *) font; + + if (! ft_info->charset) + { + FcPattern *pat = FcPatternBuild (NULL, FC_FILE, FcTypeString, + MSYMBOL_NAME (font->file), + NULL); + FcObjectSet *os = FcObjectSetBuild (FC_CHARSET, NULL); + FcFontSet *fs = FcFontList (fc_config, pat, os); + + if (fs->nfont > 0 + && FcPatternGetCharSet (fs->fonts[0], FC_CHARSET, 0, + &ft_info->charset) == FcResultMatch) + ft_info->charset = FcCharSetCopy (ft_info->charset); + else + ft_info->charset = FcCharSetCreate (); + FcFontSetDestroy (fs); + FcObjectSetDestroy (os); + FcPatternDestroy (pat); + } + return (FcCharSetHasChar (ft_info->charset, (FcChar32) c) == FcTrue); +#else /* not HAVE_FONTCONFIG */ + rfont = ft_open (frame, font, spec, NULL); +#endif /* not HAVE_FONTCONFIG */ + } + } + else + MFATAL (MERROR_FONT_FT); + + if (! rfont) + return 0; + ft_rfont = rfont->info; + idx = FT_Get_Char_Index (ft_rfont->ft_face, (FT_ULong) code); + return (idx != 0); +} + /* The FreeType font driver function ENCODE_CHAR. */ static unsigned -ft_encode_char (MRealizedFont *rfont, int c, unsigned ignored) +ft_encode_char (MFrame *frame, MFont *font, MFont *spec, unsigned code) { - MFTInfo *ft_info; - FT_UInt code; + MRealizedFont *rfont; + MRealizedFontFT *ft_rfont; + FT_UInt idx; - if (rfont->status == 0) + if (font->type == MFONT_TYPE_REALIZED) + rfont = (MRealizedFont *) font; + else if (font->type == MFONT_TYPE_OBJECT) { - if ((rfont->driver->open) (rfont) < 0) - return -1; + for (rfont = MPLIST_VAL (frame->realized_font_list); rfont; + rfont = rfont->next) + if (rfont->font == font && rfont->driver == &mfont__ft_driver) + break; + if (! rfont) + { + rfont = ft_open (frame, font, spec, NULL); + if (! rfont) + return -1; + } } - ft_info = (MFTInfo *) rfont->info; - code = FT_Get_Char_Index (ft_info->ft_face, (FT_ULong) c); - if (! code) - return MCHAR_INVALID_CODE; - return ((unsigned) c); + else + MFATAL (MERROR_FONT_FT); + ft_rfont = rfont->info; + idx = FT_Get_Char_Index (ft_rfont->ft_face, (FT_ULong) code); + return (idx ? (unsigned) idx : MCHAR_INVALID_CODE); } /* The FreeType font driver function RENDER. */ @@ -623,7 +1397,6 @@ ft_render (MDrawWindow win, int x, int y, MGlyphString *gstring, MGlyph *from, MGlyph *to, int reverse, MDrawRegion region) { - MFTInfo *ft_info; FT_Face ft_face; MRealizedFace *rface = from->rface; MFrame *frame = rface->frame; @@ -637,8 +1410,7 @@ ft_render (MDrawWindow win, int x, int y, /* It is assured that the all glyphs in the current range use the same realized face. */ - ft_info = (MFTInfo *) rface->rfont->info; - ft_face = ft_info->ft_face; + ft_face = rface->rfont->fontp; if (! gstring->anti_alias) { @@ -654,18 +1426,13 @@ ft_render (MDrawWindow win, int x, int y, for (g = from; g < to; x += g++->width) { - FT_UInt code; unsigned char *bmp; int intensity; MPointTable *ptable; int xoff, yoff; int width, pitch; - if (g->otf_encoded) - code = g->code; - else - code = FT_Get_Char_Index (ft_face, (FT_ULong) g->code); - FT_Load_Glyph (ft_face, code, load_flags); + FT_Load_Glyph (ft_face, (FT_UInt) g->code, load_flags); yoff = y - ft_face->glyph->bitmap_top + g->yoff; bmp = ft_face->glyph->bitmap.buffer; width = ft_face->glyph->bitmap.width; @@ -743,50 +1510,220 @@ ft_render (MDrawWindow win, int x, int y, } } +static int +ft_list (MFrame *frame, MPlist *plist, MFont *font, int maxnum) +{ + MPlist *pl = NULL, *p; + int num = 0; + MPlist *file_list = NULL; + MPlist *family_list = NULL, *capability_list = NULL; + MSymbol registry = Mnil; + + MDEBUG_PRINT2 (" [FONT-FT] listing %s%s...", + FONT_PROPERTY (font, MFONT_FAMILY) + ? msymbol_name (FONT_PROPERTY (font, MFONT_FAMILY)) : "*", + font->capability ? msymbol_name (font->capability) : ""); + + if (font) + { + MSymbol family; + + registry = FONT_PROPERTY (font, MFONT_REGISTRY); + if (registry != Mnil) + { + char *reg = MSYMBOL_NAME (registry); + + if (strncmp (reg, "unicode-", 8) + && strncmp (reg, "apple-roman", 11) + && (reg[0] < '0' || reg[0] > '9' || reg[1] != '-')) + goto done; + } + + if (font->file != Mnil + && ! (file_list = ft_list_file (font->file))) + goto done; + family = FONT_PROPERTY (font, MFONT_FAMILY); + if (family != Mnil + && (family_list = MPLIST_PLIST (ft_list_family (family, 1))) + && MPLIST_TAIL_P (family_list)) + goto done; + if (font->capability != Mnil + && (capability_list = ft_list_capability (font->capability)) + && MPLIST_TAIL_P (capability_list)) + goto done; + } + + if (! file_list && ! family_list && ! capability_list) + { + /* No restriction. Get all fonts. */ + pl = mplist (); + MPLIST_DO (family_list, ft_list_family (Mnil, 0)) + { + MPLIST_DO (p, MPLIST_PLIST (family_list)) + mplist_push (pl, MPLIST_KEY (p), MPLIST_VAL (p)); + } + } + else + { + if (file_list) + { + pl = mplist (); + mplist_push (pl, MPLIST_KEY (file_list), MPLIST_VAL (file_list)); + } + if (family_list) + { + if (pl) + for (p = pl; ! MPLIST_TAIL_P (p);) + { + if (mplist_find_by_value (family_list, MPLIST_VAL (p))) + p = MPLIST_NEXT (p); + else + mplist_pop (p); + } + else + { + pl = mplist (); + MPLIST_DO (p, family_list) + mplist_push (pl, MPLIST_KEY (p), MPLIST_VAL (p)); + } + } + if (capability_list) + { + if (pl) + for (p = pl; ! MPLIST_TAIL_P (p);) + { + MFontFT *ft_info = MPLIST_VAL (p); + + if (mplist_find_by_value (capability_list, ft_info)) + p = MPLIST_NEXT (p); + else + mplist_pop (p); + } + else + { + pl = mplist (); + MPLIST_DO (p, capability_list) + mplist_push (pl, MPLIST_KEY (p), MPLIST_VAL (p)); + } + } + } + + if (font) + { + MSymbol weight = FONT_PROPERTY (font, MFONT_WEIGHT); + MSymbol style = FONT_PROPERTY (font, MFONT_STYLE); + MSymbol stretch = FONT_PROPERTY (font, MFONT_STRETCH); + int size = font->size; + + if (weight != Mnil || style != Mnil || stretch != Mnil || size > 0) + for (p = pl; ! MPLIST_TAIL_P (p); ) + { + MFontFT *ft_info = MPLIST_VAL (p); + + if ((weight != Mnil + && weight != FONT_PROPERTY (&ft_info->font, MFONT_WEIGHT)) + || (style != Mnil + && style != FONT_PROPERTY (&ft_info->font, MFONT_STYLE)) + || (stretch != Mnil + && stretch != FONT_PROPERTY (&ft_info->font, + MFONT_STRETCH)) + || (size > 0 + && ft_info->font.size > 0 + && ft_info->font.size != size)) + mplist_pop (p); + else + p = MPLIST_NEXT (p); + } + } + + MPLIST_DO (p, pl) + { + plist = mplist_add (plist, MPLIST_KEY (p), MPLIST_VAL (p)); + num++; + if (maxnum && maxnum <= num) + break; + } + M17N_OBJECT_UNREF (pl); + + done: + MDEBUG_PRINT1 (" %d found\n", num); + return num; +} + /* Internal API */ MFontDriver mfont__ft_driver = - { ft_select, ft_open, ft_find_metric, ft_encode_char, ft_render }; + { ft_select, ft_open, ft_find_metric, ft_has_char, ft_encode_char, + ft_render, ft_list }; int mfont__ft_init () { - struct { - char *ft_style; - char *weight, *style, *stretch; - } ft_to_prop_name[] = - { { "regular", "medium", "r", "normal" }, - { "italic", "medium", "i", "normal" }, - { "bold", "bold", "r", "normal" }, - { "bold italic", "bold", "i", "normal" }, - { "narrow", "medium", "r", "condensed" }, - { "narrow italic", "medium", "i", "condensed" }, - { "narrow bold", "bold", "r", "condensed" }, - { "narrow bold italic", "bold", "i", "condensed" }, - { "black", "black", "r", "normal" }, - { "black italic", "black", "i", "normal" }, - { "oblique", "medium", "o", "normal" }, - { "boldoblique", "bold", "o", "normal" } }; int i; if (FT_Init_FreeType (&ft_library) != 0) MERROR (MERROR_FONT_FT, -1); - ft_to_prop_size = sizeof (ft_to_prop_name) / sizeof (ft_to_prop_name[0]); - MTABLE_MALLOC (ft_to_prop, ft_to_prop_size, MERROR_FONT_FT); for (i = 0; i < ft_to_prop_size; i++) + ft_to_prop[i].len = strlen (ft_to_prop[i].ft_style); + + Mmedium = msymbol ("medium"); + Mr = msymbol ("r"); + Mnull = msymbol (""); + + M0_3 = msymbol ("0-3"); + M3_1 = msymbol ("3-1"); + M1_0 = msymbol ("1-0"); + +#ifdef HAVE_FONTCONFIG + for (i = 0; i < (sizeof (fc_all_table) / sizeof fc_all_table[0]); i++) { - ft_to_prop[i].ft_style = msymbol (ft_to_prop_name[i].ft_style); - ft_to_prop[i].weight = msymbol (ft_to_prop_name[i].weight); - ft_to_prop[i].style = msymbol (ft_to_prop_name[i].style); - ft_to_prop[i].stretch = msymbol (ft_to_prop_name[i].stretch); + FC_vs_M17N_font_prop *table = fc_all_table[i]; + int j; + + for (j = 0; table[j].m17n_value; j++) + table[j].sym = msymbol (table[j].m17n_value); + table[j].sym = table[j - 1].sym; } - Municode_bmp = msymbol ("unicode-bmp"); - Municode_full = msymbol ("unicode-full"); - Miso10646_1 = msymbol ("iso10646-1"); - Miso8859_1 = msymbol ("iso8859-1"); + { + char *pathname; + struct stat buf; + MPlist *plist; + MSymbol serif, sans_serif, monospace; + + fc_config = FcInitLoadConfigAndFonts (); + if (mfont_freetype_path) + { + MPLIST_DO (plist, mfont_freetype_path) + if (MPLIST_STRING_P (plist) + && (pathname = MPLIST_STRING (plist)) + && stat (pathname, &buf) == 0) + { + FcStrList *strlist = FcConfigGetFontDirs (fc_config); + FcChar8 *dir; + + while ((dir = FcStrListNext (strlist))) + if (strcmp ((char *) dir, pathname) == 0) + break; + if (! dir) + FcConfigAppFontAddDir (fc_config, (FcChar8 *) pathname); + FcStrListDone (strlist); + } + } + Mgeneric_family = msymbol ("generic famly"); + serif = msymbol ("serif"); + msymbol_put (serif, Mgeneric_family, serif); + sans_serif = msymbol ("sans-serif"); + msymbol_put (sans_serif, Mgeneric_family, sans_serif); + msymbol_put (msymbol ("sans serif"), Mgeneric_family, sans_serif); + msymbol_put (msymbol ("sans"), Mgeneric_family, sans_serif); + monospace = msymbol ("monospace"); + msymbol_put (monospace, Mgeneric_family, monospace); + msymbol_put (msymbol ("mono"), Mgeneric_family, monospace); + } +#endif return 0; } @@ -800,55 +1737,97 @@ mfont__ft_fini () { MPLIST_DO (plist, ft_font_list) { - MPLIST_DO (p, MPLIST_VAL (plist)) - { - MFTInfo *ft_info = MPLIST_VAL (p); - - M17N_OBJECT_UNREF (ft_info); - } + if (MPLIST_VAL (plist)) + MPLIST_DO (p, MPLIST_VAL (plist)) + { + if (MPLIST_KEY (p) != Mt) + free_ft_info (MPLIST_VAL (p)); + } M17N_OBJECT_UNREF (MPLIST_VAL (plist)); } M17N_OBJECT_UNREF (ft_font_list); - ft_font_list = NULL; + + if (ft_language_list) + { + MPLIST_DO (plist, ft_language_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_language_list); + } + + if (ft_script_list) + { + MPLIST_DO (plist, ft_script_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_script_list); + } + + if (ft_capability_list) + { + MPLIST_DO (plist, ft_capability_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_capability_list); + } + + if (ft_file_list) + { + MPLIST_DO (plist, ft_file_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_file_list); + } + } - free (ft_to_prop); FT_Done_FreeType (ft_library); +#ifdef HAVE_FONTCONFIG + FcConfigDestroy (fc_config); + fc_config = NULL; +#endif /* HAVE_FONTCONFIG */ all_fonts_scaned = 0; } - #ifdef HAVE_FONTCONFIG + int -mfont__ft_parse_name (char *name, MFont *font) +mfont__ft_parse_name (const char *name, MFont *font) { - FcPattern *pat = FcNameParse (name); - FcResult result; + FcPattern *pat = FcNameParse ((FcChar8 *) name); FcChar8 *str; + int val; double size; + char *buf; + int bufsize = 0; if (! pat) return -1; - if ((result = FcPatternGetString (pat, FC_FOUNDRY, 0, &str)) == FcResultMatch) - mfont__set_property (font, MFONT_FOUNDRY, msymbol ((char *) str)); - if ((result = FcPatternGetString (pat, FC_FAMILY, 0, &str)) == FcResultMatch) - mfont__set_property (font, MFONT_FAMILY, msymbol ((char *) str)); - if ((result = FcPatternGetString (pat, FC_STYLE, 0, &str)) == FcResultMatch) + if (FcPatternGetString (pat, FC_FOUNDRY, 0, &str) == FcResultMatch) { - MSymbol style = msymbol ((char *) str); - int i; - - for (i = 0; i < ft_to_prop_size; i++) - if (ft_to_prop[i].ft_style == style) - { - mfont__set_property (font, MFONT_WEIGHT, ft_to_prop[i].weight); - mfont__set_property (font, MFONT_STYLE, ft_to_prop[i].style); - mfont__set_property (font, MFONT_STRETCH, ft_to_prop[i].stretch); - break; - } + STRDUP_LOWER (buf, bufsize, (char *) str); + mfont__set_property (font, MFONT_FOUNDRY, msymbol (buf)); + } + if (FcPatternGetString (pat, FC_FAMILY, 0, &str) == FcResultMatch) + { + STRDUP_LOWER (buf, bufsize, (char *) str); + mfont__set_property (font, MFONT_FAMILY, msymbol (buf)); + } + if (FcPatternGetInteger (pat, FC_WEIGHT, 0, &val) == FcResultMatch) + mfont__set_property (font, MFONT_WEIGHT, + fc_decode_prop (val, fc_weight_table, + fc_weight_table_size)); + if (FcPatternGetInteger (pat, FC_SLANT, 0, &val) == FcResultMatch) + mfont__set_property (font, MFONT_STYLE, + fc_decode_prop (val, fc_slant_table, + fc_slant_table_size)); + if (FcPatternGetInteger (pat, FC_WIDTH, 0, &val) == FcResultMatch) + mfont__set_property (font, MFONT_STRETCH, + fc_decode_prop (val, fc_width_table, + fc_width_table_size)); + if (FcPatternGetDouble (pat, FC_PIXEL_SIZE, 0, &size) == FcResultMatch) + font->size = size * 10; + if (FcPatternGetString (pat, FC_FILE, 0, &str) == FcResultMatch) + { + font->file = msymbol ((char *) str); } - if ((result = FcPatternGetDouble (pat, FC_PIXEL_SIZE, 0, &size)) - == FcResultMatch) - font->property[MFONT_SIZE] = size * 10; + mfont__set_property (font, MFONT_REGISTRY, Municode_bmp); + font->type = MFONT_TYPE_SPEC; FcPatternDestroy (pat); return 0; } @@ -856,100 +1835,115 @@ mfont__ft_parse_name (char *name, MFont *font) char * mfont__ft_unparse_name (MFont *font) { - FcPattern *pat = FcPatternCreate (); - MSymbol sym, weight, style, stretch; - char *name; - int i; + FcPattern *pat = fc_get_pattern (font); + char *name = (char *) FcNameUnparse (pat); - if ((sym = (MSymbol) FONT_PROPERTY (font, MFONT_FOUNDRY)) != Mnil) - FcPatternAddString (pat, FC_FOUNDRY, (FcChar8 *) MSYMBOL_NAME (sym)); - if ((sym = (MSymbol) FONT_PROPERTY (font, MFONT_FAMILY)) != Mnil) - FcPatternAddString (pat, FC_FAMILY, (FcChar8 *) MSYMBOL_NAME (sym)); - if ((weight = (MSymbol) FONT_PROPERTY (font, MFONT_WEIGHT)) == Mnil) - weight = msymbol ("medium"); - if ((style = (MSymbol) FONT_PROPERTY (font, MFONT_STYLE)) == Mnil) - style = msymbol ("r"); - if ((stretch = (MSymbol) FONT_PROPERTY (font, MFONT_STRETCH)) == Mnil) - stretch = msymbol ("normal"); - for (i = 0; i < ft_to_prop_size; i++) - if (ft_to_prop[i].weight == weight - && ft_to_prop[i].style == style - && ft_to_prop[i].stretch == stretch) - FcPatternAddString (pat, FC_STYLE, - (FcChar8 *) MSYMBOL_NAME (ft_to_prop[i].ft_style)); - name = (char *) FcNameUnparse (pat); FcPatternDestroy (pat); return name; } #endif /* HAVE_FONTCONFIG */ + +#ifdef HAVE_OTF + +#define DEVICE_DELTA(table, size) \ + (((size) >= (table).StartSize && (size) <= (table).EndSize) \ + ? (table).DeltaValue[(size) >= (table).StartSize] \ + : 0) + +void +adjust_anchor (OTF_Anchor *anchor, FT_Face ft_face, + unsigned code, int size, int *x, int *y) +{ + if (anchor->AnchorFormat == 2) + { + FT_Outline *outline; + int ap = anchor->f.f1.AnchorPoint; + + FT_Load_Glyph (ft_face, (FT_UInt) code, FT_LOAD_MONOCHROME); + outline = &ft_face->glyph->outline; + if (ap < outline->n_points) + { + *x = outline->points[ap].x; + *y = outline->points[ap].y; + } + } + else if (anchor->AnchorFormat == 3) + { + if (anchor->f.f2.XDeviceTable.offset) + *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, size); + if (anchor->f.f2.YDeviceTable.offset) + *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, size); + } +} + int mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, - MRealizedFont *rfont, - MSymbol script, MSymbol langsys, - MSymbol gsub_features, MSymbol gpos_features) + MFontCapability *cap) { int len = to - from; - MGlyph g; - int i; -#ifdef HAVE_OTF - MFTInfo *ft_info; + MGlyph *g = MGLYPH (from); + int i, gidx; + MRealizedFont *rfont; + MFontFT *ft_info; OTF *otf; OTF_GlyphString otf_gstring; OTF_Glyph *otfg; - char *script_name, *language_name; - char *gsub_feature_names, *gpos_feature_names; - int from_pos, to_pos; - int unitsPerEm; + char *script, *langsys; + char *gsub_features, *gpos_features; + int need_cmap; if (len == 0) return from; - ft_info = (MFTInfo *) rfont->info; - if (ft_info->otf_flag < 0) + otf_gstring.glyphs = NULL; + rfont = g->rface->rfont; + ft_info = (MFontFT *) rfont->font; + if (ft_info->otf == invalid_otf) goto simple_copy; otf = ft_info->otf; - if (! otf && (otf = OTF_open (ft_info->filename))) + if (! otf) { - if (OTF_get_table (otf, "head") < 0 - || (OTF_check_table (otf, "GSUB") < 0 - && OTF_check_table (otf, "GPOS") < 0)) + otf = OTF_open (MSYMBOL_NAME (ft_info->font.file)); + if (! otf) { - OTF_close (otf); - ft_info->otf_flag = -1; - ft_info->otf = NULL; + ft_info->otf = invalid_otf; goto simple_copy; } ft_info->otf = otf; } + if (OTF_get_table (otf, "head") < 0) + { + OTF_close (otf); + ft_info->otf = invalid_otf; + goto simple_copy; + } - script_name = msymbol_name (script); - language_name = langsys != Mnil ? msymbol_name (langsys) : NULL; - gsub_feature_names - = (gsub_features == Mt ? "*" - : gsub_features == Mnil ? NULL - : msymbol_name (gsub_features)); - gpos_feature_names - = (gpos_features == Mt ? "*" - : gpos_features == Mnil ? NULL - : msymbol_name (gpos_features)); - - g = gstring->glyphs[from]; - from_pos = g.pos; - to_pos = g.to; - for (i = from + 1; i < to; i++) + if (cap->script_tag) + { + script = alloca (5); + OTF_tag_name (cap->script_tag, script); + } + else + script = NULL; + if (cap->langsys_tag) { - if (from_pos > gstring->glyphs[i].pos) - from_pos = gstring->glyphs[i].pos; - if (to_pos < gstring->glyphs[i].to) - to_pos = gstring->glyphs[i].to; + langsys = alloca (5); + OTF_tag_name (cap->langsys_tag, langsys); } + else + langsys = NULL; + gsub_features = cap->features[MFONT_OTT_GSUB].str; + if (gsub_features && OTF_check_table (otf, "GSUB") < 0) + gsub_features = NULL; + gpos_features = cap->features[MFONT_OTT_GPOS].str; + if (gpos_features && OTF_check_table (otf, "GPOS") < 0) + gpos_features = NULL; - unitsPerEm = otf->head->unitsPerEm; otf_gstring.size = otf_gstring.used = len; - otf_gstring.glyphs = (OTF_Glyph *) alloca (sizeof (OTF_Glyph) * len); + otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len); memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * len); - for (i = 0; i < len; i++) + for (i = 0, need_cmap = 0; i < len; i++) { if (gstring->glyphs[from + i].otf_encoded) { @@ -959,96 +1953,169 @@ mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, else { otf_gstring.glyphs[i].c = gstring->glyphs[from + i].code; + need_cmap++; } } - - if (OTF_drive_tables (otf, &otf_gstring, script_name, language_name, - gsub_feature_names, gpos_feature_names) < 0) + if (need_cmap + && OTF_drive_cmap (otf, &otf_gstring) < 0) goto simple_copy; - g.pos = from_pos; - g.to = to_pos; - for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; i++, otfg++) + + OTF_drive_gdef (otf, &otf_gstring); + gidx = gstring->used; + + if (gsub_features) + { + if (OTF_drive_gsub (otf, &otf_gstring, script, langsys, gsub_features) + < 0) + goto simple_copy; + for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; i++, otfg++) + { + MGlyph temp = *(MGLYPH (from + otfg->f.index.from)); + + temp.c = otfg->c; + temp.combining_code = 0; + if (otfg->glyph_id) + { + temp.code = otfg->glyph_id; + temp.otf_encoded = 1; + } + else + { + temp.code = temp.c; + temp.otf_encoded = 0; + } + temp.to = MGLYPH (from + otfg->f.index.to)->to; + MLIST_APPEND1 (gstring, glyphs, temp, MERROR_FONT_OTF); + } + } + else + for (i = 0; i < len; i++) + { + MGlyph temp = gstring->glyphs[from + i]; + + if (otf_gstring.glyphs[i].glyph_id) + { + temp.code = otf_gstring.glyphs[i].glyph_id; + temp.otf_encoded = 1; + } + MLIST_APPEND1 (gstring, glyphs, temp, MERROR_FONT_OTF); + } + + (rfont->driver->find_metric) (rfont, gstring, gidx, gstring->used); + + if (gpos_features) { - g.combining_code = 0; - g.c = otfg->c; - if (otfg->glyph_id) + int u; + int size10, size; + MGlyph *base = NULL, *mark = NULL; + + if (OTF_check_features (otf, 1, + cap->script_tag, cap->langsys_tag, + cap->features[MFONT_OTT_GPOS].tags, + cap->features[MFONT_OTT_GPOS].nfeatures) != 1 + || (OTF_drive_gpos (otf, &otf_gstring, script, langsys, + gpos_features) < 0)) + return to; + + u = otf->head->unitsPerEm; + size10 = rfont->spec.size; + size = size10 / 10; + + for (i = 0, otfg = otf_gstring.glyphs, g = MGLYPH (gidx); + i < otf_gstring.used; i++, otfg++, g++) { - g.code = otfg->glyph_id; + MGlyph *prev; + + if (! otfg->glyph_id) + continue; switch (otfg->positioning_type) { + case 0: + break; case 1: case 2: { - int off_x = 128, off_y = 128; - - if (otfg->f.f1.format & OTF_XPlacement) - off_x = ((double) (otfg->f.f1.value->XPlacement) - * 100 / unitsPerEm + 128); - if (otfg->f.f1.format & OTF_YPlacement) - off_y = ((double) (otfg->f.f1.value->YPlacement) - * 100 / unitsPerEm + 128); - g.combining_code - = MAKE_COMBINING_CODE (3, 2, 3, 0, off_y, off_x); - if ((otfg->f.f1.format & OTF_XAdvance) - || (otfg->f.f1.format & OTF_YAdvance)) - off_y--; + int format = otfg->f.f1.format; + + if (format & OTF_XPlacement) + g->xoff = otfg->f.f1.value->XPlacement * size10 / u / 10; + if (format & OTF_XPlaDevice) + g->xoff += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, size); + if (format & OTF_YPlacement) + g->yoff = - (otfg->f.f1.value->YPlacement * size10 / u / 10); + if (format & OTF_YPlaDevice) + g->yoff -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, size); + if (format & OTF_XAdvance) + g->width += otfg->f.f1.value->XAdvance * size10 / u / 10; + if (format & OTF_XAdvDevice) + g->width += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, size); } break; case 3: /* Not yet supported. */ break; - case 4: + case 4: case 5: + if (! base) + break; + prev = base; + goto label_adjust_anchor; + default: /* i.e. case 6 */ + if (! mark) + break; + prev = mark; + + label_adjust_anchor: { - int off_x, off_y; - - off_x = ((double) (otfg->f.f4.base_anchor->XCoordinate - - otfg->f.f4.mark_anchor->XCoordinate) - * 100 / unitsPerEm + 128); - off_y = ((double) (otfg->f.f4.base_anchor->YCoordinate - - otfg->f.f4.mark_anchor->YCoordinate) - * 100 / unitsPerEm + 128); - g.combining_code - = MAKE_COMBINING_CODE (3, 0, 3, 0, off_y, off_x); + int base_x, base_y, mark_x, mark_y; + + base_x = otfg->f.f4.base_anchor->XCoordinate * size10 / u / 10; + base_y = otfg->f.f4.base_anchor->YCoordinate * size10 / u / 10; + mark_x = otfg->f.f4.mark_anchor->XCoordinate * size10 / u / 10; + mark_y = otfg->f.f4.mark_anchor->YCoordinate * size10 / u / 10; + + if (otfg->f.f4.base_anchor->AnchorFormat != 1) + adjust_anchor (otfg->f.f4.base_anchor, rfont->fontp, + prev->code, size, &base_x, &base_y); + if (otfg->f.f4.mark_anchor->AnchorFormat != 1) + adjust_anchor (otfg->f.f4.mark_anchor, rfont->fontp, + g->code, size, &mark_x, &mark_y); + g->xoff = prev->xoff + (base_x - prev->width) - mark_x; + g->yoff = prev->yoff + mark_y - base_y; + g->combining_code = MAKE_PRECOMPUTED_COMBINDING_CODE (); } - break; - case 5: - /* Not yet supported. */ - break; - default: /* i.e case 6 */ - /* Not yet supported. */ - break; } - g.otf_encoded = 1; - } - else - { - g.code = otfg->c; - g.otf_encoded = 0; + if (otfg->GlyphClass == OTF_GlyphClass0) + base = mark = g; + else if (otfg->GlyphClass == OTF_GlyphClassMark) + mark = g; + else + base = g; } - MLIST_APPEND1 (gstring, glyphs, g, MERROR_FONT_OTF); } + free (otf_gstring.glyphs); return to; simple_copy: -#endif /* HAVE_OTF */ + ft_find_metric (rfont, gstring, from, to); for (i = 0; i < len; i++) { - g = gstring->glyphs[from + i]; - MLIST_APPEND1 (gstring, glyphs, g, MERROR_FONT_OTF); + MGlyph temp = gstring->glyphs[from + i]; + MLIST_APPEND1 (gstring, glyphs, temp, MERROR_FONT_OTF); } + if (otf_gstring.glyphs) + free (otf_gstring.glyphs); return to; } + int mfont__ft_decode_otf (MGlyph *g) { -#ifdef HAVE_OTF - MFTInfo *ft_info = (MFTInfo *) g->rface->rfont->info; + MFontFT *ft_info = (MFontFT *) g->rface->rfont->font; int c = OTF_get_unicode (ft_info->otf, (OTF_GlyphID) g->code); return (c ? c : -1); -#else /* not HAVE_OTF */ - return -1; -#endif /* not HAVE_OTF */ } +#endif /* HAVE_OTF */ + #endif /* HAVE_FREETYPE */