X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Ffont-ft.c;h=fb1c7832e5f25e155fbba1e95cac3c24fc543c2a;hb=8d9e63288b753b38ad5121a88e28cf7640a9ccb1;hp=45fe673cdd8cbadf351f65f9fa90da363cc26c4b;hpb=b0c9b265613ee487f28a3ee90409ae18723b088b;p=m17n%2Fm17n-lib.git diff --git a/src/font-ft.c b/src/font-ft.c index 45fe673..fb1c783 100644 --- a/src/font-ft.c +++ b/src/font-ft.c @@ -36,496 +36,1545 @@ #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 -#include +#ifdef HAVE_FTBDF_H +#include FT_BDF_H +#endif + +static int mdebug_mask = MDEBUG_FONT; #ifdef HAVE_FONTCONFIG -#include +#include -int fontconfig_initialized = 0; -FcConfig *fc_config; -#endif /* not HAVE_FONTCONFIG */ +static FcConfig *fc_config; +static MSymbol Mgeneric_family; +#endif /* HAVE_FONTCONFIG */ -static MSymbol Municode_bmp, Municode_full, Miso10646_1, Miso8859_1; +/* Font properties; Mnormal is already defined in face.c. */ +static MSymbol Mmedium, Mr, Mnull; + +static MSymbol M0[5], M3_1, M1_0; static FT_Library ft_library; +#ifdef HAVE_OTF +static OTF *invalid_otf = (OTF *) ""; +#endif /* HAVE_OTF */ + +typedef struct +{ + MFont font; +#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; + int face_encapsulated; +} 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); \ + while (p1 > (s1) && p1[-1] == ' ') p1--; \ + *p1 = '\0'; \ + } 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 MPlist *ft_list_family (MSymbol, int); - 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; +static void +free_ft_rfont (void *object) +{ + MRealizedFontFT *ft_rfont = object; - if (i == ft_to_prop_size) + if (! ft_rfont->face_encapsulated) { - mfont__set_property (font, MFONT_WEIGHT, msymbol ("medium")); - mfont__set_property (font, MFONT_STYLE, msymbol ("r")); - mfont__set_property (font, MFONT_STRETCH, msymbol ("normal")); + M17N_OBJECT_UNREF (ft_rfont->charmap_list); + FT_Done_Face (ft_rfont->ft_face); } + free (ft_rfont); +} + +static void +free_ft_info (MFontFT *ft_info) +{ +#ifdef HAVE_OTF + if (ft_info->otf && ft_info->otf != invalid_otf) + OTF_close (ft_info->otf); +#endif /* HAVE_OTF */ +#ifdef HAVE_FONTCONFIG + if (ft_info->langset) + FcLangSetDestroy (ft_info->langset); + if (ft_info->charset) + FcCharSetDestroy (ft_info->charset); +#endif /* HAVE_FONTCONFIG */ + 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; - else if (ft_face->charmaps[i]->encoding_id == 4) - unicode_full = i; + if (ft_face->charmaps[i]->encoding_id <= 4) + registry = M0[ft_face->charmaps[i]->encoding_id], unicode_bmp = i; + if (ft_face->charmaps[i]->encoding_id == 4) + unicode_bmp = 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; + unicode_bmp = 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 (plist, Municode_full, (void *) unicode_full); + if (unicode_bmp >= 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; - } - 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; + int i; + + mplist_add (plist, Municode_bmp, (void *) unicode_bmp); + FT_Set_Charmap (ft_face, ft_face->charmaps[unicode_bmp]); + for (i = 0x21; i < 0x7F && FT_Get_Char_Index (ft_face, i) > 0; i++); + if (i == 0x7F) + { + for (i = 0xC0; i < 0x100 && FT_Get_Char_Index (ft_face, i) > 0; i++); + if (i == 0x100) + mplist_add (plist, Miso8859_1, (void *) unicode_bmp); + } } - if (unicode >= 0) + + return plist; +} + +static MFontFT * +ft_gen_font (FT_Face ft_face) +{ + MFontFT *ft_info; + MFont *font; + char *buf; + int bufsize = 0; + char *stylename; + MSymbol family; + int size; + + if (FT_IS_SCALABLE (ft_face)) + size = ft_face->size->metrics.y_ppem; + else if (ft_face->num_fixed_sizes == 0) + return NULL; + else + size = ft_face->available_sizes[0].height; + + 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->size = size * 10; + font->type = MFONT_TYPE_OBJECT; + font->source = MFONT_SOURCE_FT; + font->file = NULL; + + stylename = ft_face->style_name; + while (*stylename) { - 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) + int i; + + 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; } - if (i == 31) - mplist_add (charmap_list, Miso8859_1, (void *) unicode); + while (*stylename && ! isalpha (*stylename)) + stylename++; } + return ft_info; +} - ft_info->charmap_list = charmap_list; +#ifdef HAVE_FONTCONFIG + +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_REGULAR, "normal" }, + { 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 }; - if (! FT_IS_SCALABLE (ft_face)) +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++; } - - return family; + 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; -static void -close_ft (void *object) + 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) { - MFTInfo *ft_info = object; + FcPattern *pat = FcPatternCreate (); + MSymbol sym, weight, style, stretch; - if (ft_info->ft_face) + + 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) { - 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 */ + double size = font->size; + FcPatternAddDouble (pat, FC_PIXEL_SIZE, size / 10); } - free (ft_info->filename); - M17N_OBJECT_UNREF (ft_info->charmap_list); - free (ft_info); + else if (font->size < 0) + { + double size = - font->size; + FcPatternAddDouble (pat, FC_SIZE, size / 10); + } + return pat; } static void -add_font_info (char *filename, MSymbol family) +fc_parse_pattern (FcPattern *pat, char *family, MFontFT *ft_info) { - FT_Face ft_face; - BDF_PropertyRec prop; - MFTInfo *ft_info = NULL; + FcChar8 *str; + int val; + double size; + char *buf; + int bufsize = 0; + MSymbol sym; + FcLangSet *ls; + FcCharSet *cs; + MFont *font = &ft_info->font; - if (FT_New_Face (ft_library, filename, 0, &ft_face) == 0) + MFONT_INIT (font); + if (FcPatternGetString (pat, FC_FOUNDRY, 0, &str) == FcResultMatch) { - if (FT_IS_SCALABLE (ft_face) - || FT_Get_BDF_Property (ft_face, "PIXEL_SIZE", &prop) == 0) - { - 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); + STRDUP_LOWER (buf, bufsize, (char *) str); + mfont__set_property (font, MFONT_FOUNDRY, msymbol (buf)); + } + 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); + } + if (FcPatternGetLangSet (pat, FC_LANG, 0, &ls) == FcResultMatch) + { + if (FcLangSetHasLang (ls, (FcChar8 *) "ja") != FcLangDifferentLang + || FcLangSetHasLang (ls, (FcChar8 *) "zh") != FcLangDifferentLang + || FcLangSetHasLang (ls, (FcChar8 *) "ko") != FcLangDifferentLang) + font->for_full_width = 1; + ft_info->langset = FcLangSetCopy (ls); + } + if (FcPatternGetCharSet (pat, FC_CHARSET, 0, &cs) == FcResultMatch) + ft_info->charset = FcCharSetCopy (cs); + + 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); } -#ifdef HAVE_FONTCONFIG + +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); + ft_info->font.type = MFONT_TYPE_OBJECT; + return ft_info; +} static void -fc_list (MSymbol family) +fc_init_font_list (void) { - FcPattern *pattern; - FcObjectSet *os; - FcFontSet *fs; + FcPattern *pattern = FcPatternCreate (); + FcObjectSet *os = FcObjectSetBuild (FC_FAMILY, NULL); + FcFontSet *fs = FcFontList (fc_config, pattern, os); + MPlist *plist = mplist (); + char *buf; + int bufsize = 0; int i; - if (! fc_config) + ft_font_list = plist; + for (i = 0; i < fs->nfont; i++) { - char *pathname; - struct stat buf; - MPlist *plist; + char *fam; - FcInit (); - fc_config = FcConfigGetCurrent (); - 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 (FcPatternGetString (fs->fonts[i], FC_FAMILY, 0, + (FcChar8 **) &fam) != FcResultMatch) + continue; + STRDUP_LOWER (buf, bufsize, fam); + plist = mplist_add (plist, msymbol (buf), NULL); } + FcFontSetDestroy (fs); + FcObjectSetDestroy (os); + FcPatternDestroy (pattern); +} - pattern = FcPatternCreate (); - if (family) - FcPatternAddString (pattern, FC_FAMILY, - (FcChar8 *) (msymbol_name (family))); - os = FcObjectSetBuild (FC_FILE, NULL); - fs = FcFontList (fc_config, pattern, os); - if (fs) +static MPlist * +fc_list_pattern (FcPattern *pattern) +{ + FcObjectSet *os = NULL; + FcFontSet *fs = NULL; + MSymbol last_family = Mnil; + MPlist *plist = NULL, *pl = NULL; + char *buf; + int bufsize = 0; + int i; + + if (! (os = FcObjectSetBuild (FC_FAMILY, FC_FILE, NULL))) + goto err; + if (! (fs = FcFontList (fc_config, pattern, os))) + goto err; + + for (i = 0; i < fs->nfont; i++) { - char *filename; + MSymbol family, file; + char *fam, *filename; + MFontFT *ft_info; - for (i = 0; i < fs->nfont; i++) + 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); + if (family != last_family) { - FcPatternGetString (fs->fonts[i], FC_FILE, 0, (FcChar8 **) &filename); - add_font_info (filename, family); + pl = MPLIST_PLIST (ft_list_family (family, 0)); + last_family = family; + } + 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); + + err: + if (fs) FcFontSetDestroy (fs); + if (os) FcObjectSetDestroy (os); + return plist; } -#else /* not HAVE_FONTCONFIG */ +/* Return FcCharSet object built from CHAR_LIST or MT. In the latter + case, it is assured that the M-text contains at least one + character. */ + +static FcCharSet * +fc_build_charset (MPlist *char_list, MText *mt) +{ + FcCharSet *cs = FcCharSetCreate (); + + if (! cs) + return NULL; + if (char_list) + { + for (; ! MPLIST_TAIL_P (char_list); char_list = MPLIST_NEXT (char_list)) + if (! FcCharSetAddChar (cs, (FcChar32) MPLIST_INTEGER (char_list))) + { + FcCharSetDestroy (cs); + return NULL; + } + } + else + { + int i; + + for (i = mtext_nchars (mt) - 1; i >= 0; i--) + if (! FcCharSetAddChar (cs, (FcChar32) mtext_ref_char (mt, i))) + { + FcCharSetDestroy (cs); + return NULL; + } + if (mtext_nchars (mt) > 0 + && (mt = mtext_get_prop (mt, 0, Mtext))) + for (i = mtext_nchars (mt) - 1; i >= 0; i--) + if (! FcCharSetAddChar (cs, (FcChar32) mtext_ref_char (mt, i))) + { + FcCharSetDestroy (cs); + return NULL; + } + } + return cs; +} + +#else /* not HAVE_FONTCONFIG */ + +static MPlist * +ft_add_font (char *filename) +{ + FT_Face ft_face; + 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) + return NULL; + ft_info = ft_gen_font (ft_face); + FT_Done_Face (ft_face); + if (! ft_inf) + return NULL; + + font = &ft_info->font; + font->file = msymbol (filename); + + 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; +} static void -ft_list () +ft_init_font_list (void) { MPlist *plist; struct stat buf; char *pathname; + char *path; + USE_SAFE_ALLOCA; + ft_font_list = mplist (); MPLIST_DO (plist, mfont_freetype_path) if (MPLIST_STRING_P (plist) && (pathname = MPLIST_STRING (plist)) && stat (pathname, &buf) == 0) { if (S_ISREG (buf.st_mode)) - add_font_info (pathname, Mnil); + ft_add_font (pathname); else if (S_ISDIR (buf.st_mode)) { - int len = strlen (pathname); - char path[PATH_MAX]; DIR *dir = opendir (pathname); - struct dirent *dp; if (dir) { - strcpy (path, pathname); - strcpy (path + len, "/"); - len++; + int len = strlen (pathname); + struct dirent *dp; + while ((dp = readdir (dir)) != NULL) { - strcpy (path + len, dp->d_name); - add_font_info (path, Mnil); + 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); +} + +/* Return 1 iff the font pointed by FT_INFO has all characters in + CHAR_LIST. */ + +static int +ft_has_char_list_p (MFontFT *ft_info, MPlist *char_list) +{ + FT_Face ft_face; + MPlist *cl; + + if (FT_New_Face (ft_library, MSYMBOL_NAME (ft_info->font.file), 0, &ft_face)) + return 0; + MPLIST_DO (cl, char_list) + if (FT_Get_Char_Index (ft_face, (FT_ULong) MPLIST_INTEGER (cl)) == 0) + break; + FT_Done_Face (ft_face); + return MPLIST_TAIL_P (cl); } +/* Return ((FAMILY . FONT) ...) where FONT is a pointer to MFontFT + that supports characters in CHAR_LIST or MT. One of CHAR_LIST or + MT must be NULL. */ + +static MPlist * +ft_list_char_list (MPlist *char_list, MText *mt) +{ + MPlist *plist = NULL, *pl, *p; + + if (! ft_font_list) + ft_list_family (Mnil, 0); + + if (mt) + { + int len = mtext_nchars (mt); + MText *extra = mtext_get_prop (mt, 0, Mtext); + int total_len = len + (extra ? mtext_nchars (extra) : 0); + int i; + + char_list = mplist (); + for (i = 0; i < total_len; i++) + { + int c = (i < len ? mtext_ref_char (mt, i) + : mtext_ref_char (extra, i - len)); + + if (! mplist_find_by_value (char_list, (void *) c)) + mplist_push (char_list, Minteger, (void *) c); + } + } + + MPLIST_DO (pl, ft_font_list) + { + MPLIST_DO (p, MPLIST_PLIST (pl)) + { + MFontFT *ft_info = MPLIST_VAL (p); + + if (ft_has_char_list_p (ft_info, char_list)) + { + MSymbol family = mfont_get_prop (&ft_info->font, Mfamily); + + if (! plist) + plist = mplist (); + mplist_push (plist, family, ft_info); + } + } + } + if (mt) + M17N_OBJECT_UNREF (char_list); + return plist; +} #endif /* not HAVE_FONTCONFIG */ -/* The FreeType font driver function SELECT. */ -static MRealizedFont * -ft_select (MFrame *frame, MFont *spec, MFont *request, int limited_size) +/* 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, *pl; - MFTInfo *best_font; - int best_score; - MRealizedFont *rfont; - MSymbol family, registry; + 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 (! 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); + } - 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 (! 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; + } - if (! ft_font_list) - ft_font_list = mplist (); + 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_LANG, FC_CHARSET, 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 + { + /* Check if there exist an alias. */ + pl = mplist (); + plist = mplist_add (ft_font_list, family, pl); + + pattern = FcPatternBuild (NULL, + FC_FAMILY, FcTypeString, MSYMBOL_NAME (family), + NULL); + FcConfigSubstitute (fc_config, pattern, FcMatchPattern); + + for (i = 0; FcPatternGetString (pattern, FC_FAMILY, i, + (FcChar8 **) &fam) == FcResultMatch; + i++); + if (i > 0) + { + /* The last one is a generic family. */ + MSymbol sym; + int j; + FcPattern *pat = FcPatternBuild (NULL, FC_FAMILY, FcTypeString, fam, + NULL); + + FcConfigSubstitute (fc_config, pat, FcMatchPattern); + for (j = 0; FcPatternGetString (pat, FC_FAMILY, j, + (FcChar8 **) &fam) == FcResultMatch; + j++); + + /* Now we know that the last J fonts in PATTERN are from + generic font, and the first one is not available. So, + the remaining ones are aliases. */ + j = i - j; + for (i = 1; i < j; i++) + { + FcPatternGetString (pattern, FC_FAMILY, i, (FcChar8 **) &fam); + STRDUP_LOWER (buf, bufsize, fam); + sym = msymbol (buf); + p = MPLIST_PLIST (ft_list_family (sym, 0)); + if (! MPLIST_TAIL_P (p)) + MPLIST_DO (p, p) + mplist_push (pl, Mt, MPLIST_VAL (p)); + } + } + } + +#else /* not HAVE_FONTCONFIG */ + + if (! all_fonts_scaned) + { + ft_init_font_list (); + 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 */ + + return plist; +} + +static MPlist * +ft_list_language (MSymbol language) +{ + MPlist *plist = NULL; + MText *mt; + + 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); + + mt = mlanguage_text (language); + +#ifdef HAVE_FONTCONFIG + { + FcPattern *pattern = NULL; + FcCharSet *cs = NULL; + FcLangSet *ls = NULL; + + if (! (pattern = FcPatternCreate ())) + goto err; + + if (mt && mtext_nchars (mt) > 0) + { + cs = fc_build_charset (NULL, mt); + if (cs && ! FcPatternAddCharSet (pattern, FC_CHARSET, cs)) + goto err; + } + else + { + if (! (ls = FcLangSetCreate ())) + goto err; + if (! FcLangSetAdd (ls, (FcChar8 *) MSYMBOL_NAME (language)) + || ! FcPatternAddLangSet (pattern, FC_LANG, ls)) + goto err; + } + + plist = fc_list_pattern (pattern); + err: + if (cs) FcCharSetDestroy (cs); + if (ls) FcLangSetDestroy (ls); + if (pattern) FcPatternDestroy (pattern); + } +#else /* not HAVE_FONTCONFIG */ + if (mt && mtext_nchars (mt) > 0) + plist = ft_list_char_list (NULL, mt); +#endif /* not HAVE_FONTCONFIG */ + + mplist_push (ft_language_list, language, plist); + return plist; +} + +static MPlist * +ft_list_script (MSymbol script) +{ + MPlist *plist = NULL; + MPlist *char_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); + + char_list = mscript__char_list (script); + +#ifdef HAVE_FONTCONFIG + if (char_list) + { + FcPattern *pattern = NULL; + FcCharSet *cs; + + if (! (pattern = FcPatternCreate ())) + goto err; + cs = fc_build_charset (char_list, NULL); + if (cs && ! FcPatternAddCharSet (pattern, FC_CHARSET, cs)) + goto err; + plist = fc_list_pattern (pattern); + err: + if (cs) FcCharSetDestroy (cs); + if (pattern) FcPatternDestroy (pattern); + } +#else /* not HAVE_FONTCONFIG */ + if (char_list) + plist = ft_list_char_list (char_list, NULL); +#endif /* not HAVE_FONTCONFIG */ + + mplist_push (ft_script_list, script, plist); + return (plist); +} + +static int +ft_check_otf (MFontFT *ft_info, MFontCapability *cap, FT_Face ft_face) +{ +#ifdef HAVE_OTF + if (ft_info->otf == invalid_otf) + return -1; + if (! ft_info->otf) + { +#if (LIBOTF_MAJOR_VERSION > 0 || LIBOTF_MINOR_VERSION > 9 || LIBOTF_RELEASE_NUMBER > 4) + if (ft_face) + ft_info->otf = OTF_open_ft_face (ft_face); + else +#endif + 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; +#else /* not HAVE_OTF */ + return -1; +#endif /* not HAVE_OTF */ +} + +static int +ft_check_language (MFontFT *ft_info, MSymbol language, FT_Face ft_face) +{ + MText *mt; + MText *extra; + int ft_face_allocaed = 0; + int len, total_len; + int i; + +#ifdef HAVE_FONTCONFIG + if (ft_info->langset + && (FcLangSetHasLang (ft_info->langset, + (FcChar8 *) MSYMBOL_NAME (language)) + != FcLangDifferentLang)) + return 0; +#endif /* HAVE_FONTCONFIG */ + + mt = mlanguage_text (language); + if (! mt || mtext_nchars (mt) == 0) + return -1; + + if (! ft_face) + { + char *filename = MSYMBOL_NAME (ft_info->font.file); + + if (FT_New_Face (ft_library, filename, 0, &ft_face)) + return -1; + ft_face_allocaed = 1; + } + + len = mtext_nchars (mt); + extra = mtext_get_prop (mt, 0, Mtext); + total_len = len + (extra ? mtext_nchars (extra) : 0); + + for (i = 0; i < total_len; i++) + { + int c = (i < len ? mtext_ref_char (mt, i) + : mtext_ref_char (extra, i - len)); + +#ifdef HAVE_FONTCONFIG + if (ft_info->charset + && FcCharSetHasChar (ft_info->charset, (FcChar32) c) == FcFalse) + break; +#endif /* HAVE_FONTCONFIG */ + if (FT_Get_Char_Index (ft_face, (FT_ULong) c) == 0) + break; + } + + if (ft_face_allocaed) + FT_Done_Face (ft_face); + + return (i == total_len ? 0 : -1); +} + +static int +ft_check_script (MFontFT *ft_info, MSymbol script, FT_Face ft_face) +{ + MPlist *char_list = mscript__char_list (script); + + if (! char_list) + return -1; #ifdef HAVE_FONTCONFIG - if (family != Mnil) + if (ft_info->charset) + { + MPLIST_DO (char_list, char_list) + if (FcCharSetHasChar (ft_info->charset, + (FcChar32) MPLIST_INTEGER (char_list)) == FcFalse) + break; + } + else +#endif /* HAVE_FONTCONFIG */ + { + int ft_face_allocaed = 0; + + if (! ft_face) + { + char *filename = MSYMBOL_NAME (ft_info->font.file); + + if (FT_New_Face (ft_library, filename, 0, &ft_face)) + return -1; + ft_face_allocaed = 1; + } + + MPLIST_DO (char_list, char_list) + if (FT_Get_Char_Index (ft_face, (FT_ULong) MPLIST_INTEGER (char_list)) + == 0) + break; + if (ft_face_allocaed) + FT_Done_Face (ft_face); + } + + return (MPLIST_TAIL_P (char_list) ? 0 : -1); +} + +static MPlist *ft_default_list; + +static MPlist * +ft_list_default () +{ + if (ft_default_list) + return ft_default_list; + ft_default_list = mplist (); +#ifdef HAVE_FONTCONFIG + { + FcPattern *pat = FcPatternCreate (); + FcChar8 *fam; + char *buf; + int bufsize = 0; + int i; + + FcConfigSubstitute (fc_config, pat, FcMatchPattern); + for (i = 0; FcPatternGetString (pat, FC_FAMILY, i, &fam) == FcResultMatch; + i++) + { + MSymbol family; + MPlist *plist; + + STRDUP_LOWER (buf, bufsize, (char *) fam); + family = msymbol (buf); + if (msymbol_get (family, Mgeneric_family)) + continue; + plist = MPLIST_PLIST (ft_list_family (family, 0)); + MPLIST_DO (plist, plist) + mplist_add (ft_default_list, family, MPLIST_VAL (plist)); + } + } +#else /* not HAVE_FONTCONFIG */ + { + MPlist *plist, *pl; + + MPLIST_DO (plist, ft_list_family (Mnil, 0)) + { + pl = MPLIST_PLIST (plist); + if (! MPLIST_TAIL_P (pl)) + mplist_add (ft_default_list, MPLIST_KEY (plist), pl); + } + } +#endif /* not HAVE_FONTCONFIG */ + return ft_default_list; +} + + +static MPlist *ft_capability_list; + +static MPlist * +ft_list_capability (MSymbol capability) +{ + MFontCapability *cap; + MPlist *plist = NULL, *pl; + + if (! ft_capability_list) + ft_capability_list = mplist (); + else if ((plist = mplist_find_by_key (ft_capability_list, capability))) + return (MPLIST_VAL (plist) ? MPLIST_VAL (plist) : NULL); + + cap = mfont__get_capability (capability); + + if (cap && cap->language != Mnil) + { + plist = ft_list_language (cap->language); + if (! plist) + return NULL; + plist = mplist_copy (plist); + } + + if (cap && cap->script != Mnil) { - plist = mplist_get (ft_font_list, family); if (! plist) { - fc_list (family); - plist = mplist_get (ft_font_list, family); + plist = ft_list_script (cap->script); if (! plist) + return NULL; + plist = mplist_copy (plist); + } + else + { + for (pl = plist; ! MPLIST_TAIL_P (pl);) { - mplist_add (ft_font_list, family, plist = mplist ()); - return NULL; + if (ft_check_script (MPLIST_VAL (pl), cap->script, NULL) < 0) + mplist_pop (pl); + else + pl = MPLIST_NEXT (pl); + } + } + + if (cap->script_tag) + { + for (pl = plist; ! MPLIST_TAIL_P (pl);) + { + if (ft_check_otf (MPLIST_VAL (pl), cap, NULL) < 0) + mplist_pop (pl); + else + pl = MPLIST_NEXT (pl); } } + + if (MPLIST_TAIL_P (plist)) + { + M17N_OBJECT_UNREF (plist); + plist = NULL; + } + } + + mplist_push (ft_capability_list, capability, 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) + { + char *fam; + char *buf; + int bufsize = 0; + + if (FcPatternGetString (fs->fonts[0], FC_FAMILY, 0, + (FcChar8 **) &fam) == FcResultMatch) + { + MSymbol family; + MPlist *pl; + + STRDUP_LOWER (buf, bufsize, fam); + family = msymbol (buf); + pl = ft_list_family (family, 0); + MPLIST_DO (pl, MPLIST_PLIST (pl)) + { + MFontFT *ft_info = MPLIST_VAL (pl); + + if (ft_info->font.file == filename) + { + plist = mplist (); + mplist_add (plist, family, ft_info); + break; + } + } + } + } + } +#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 MFont * +ft_select (MFrame *frame, MFont *font, int limited_size) +{ + MFont *found = NULL; +#ifdef HAVE_FONTCONFIG + MPlist *plist, *pl; + MFontFT *ft_info; + int check_font_property = 1; + + if (font->file != Mnil) + { + plist = ft_list_file (font->file); + if (! plist) + return NULL; + check_font_property = 0; } else { - if (! all_fonts_scaned) + MSymbol family = FONT_PROPERTY (font, MFONT_FAMILY); + + if (family) + plist = MPLIST_PLIST (ft_list_family (family, 1)); + else + plist = ft_list_default (); + if (MPLIST_TAIL_P (plist)) + return NULL; + } + + plist = mplist_copy (plist); + + if (font->capability != Mnil) + { + MFontCapability *cap = mfont__get_capability (font->capability); + + for (pl = plist; ! MPLIST_TAIL_P (pl);) { - fc_list (Mnil); - all_fonts_scaned = 1; + if (cap->script_tag && ft_check_otf (MPLIST_VAL (pl), cap, NULL) < 0) + { + mplist_pop (pl); + continue; + } + if (cap->language + && ft_check_language (MPLIST_VAL (pl), cap->language, NULL) < 0) + mplist_pop (pl); + else + pl = MPLIST_NEXT (pl); } } -#else /* not HAVE_FONTCONFIG */ - if (! all_fonts_scaned) + + if (check_font_property) + { + MSymbol weight = FONT_PROPERTY (font, MFONT_WEIGHT); + MSymbol style = FONT_PROPERTY (font, MFONT_STYLE); + MSymbol stretch = FONT_PROPERTY (font, MFONT_STRETCH); + MSymbol alternate_weight = Mnil; + + if (weight == Mnormal) + alternate_weight = Mmedium; + else if (weight == Mmedium) + alternate_weight = Mnormal; + 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) + && alternate_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); + } + } + + 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 /* HAVE_FONTCONFIG */ + return found; +} + + +static MRealizedFont * +ft_open (MFrame *frame, MFont *font, MFont *spec, MRealizedFont *rfont) +{ + 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; + + if (font->size) + /* non-scalable font */ + size = font->size; + else if (spec->size) { - ft_list (); - all_fonts_scaned = 1; + int ratio = mfont_resize_ratio (font); + + size = ratio == 100 ? spec->size : spec->size * ratio / 100; } - if (family != Mnil) + else + size = 120; + + if (rfont) { - plist = mplist_get (ft_font_list, family); - if (! plist) - return NULL; + 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; } -#endif /* not HAVE_FONTCONFIG */ - if (family == Mnil) - plist = MPLIST_VAL (ft_font_list); + MDEBUG_DUMP (" [FONT-FT] opening ", "", mdebug_dump_font (&ft_info->font)); - retry: - MPLIST_DO (pl, plist) + if (FT_New_Face (ft_library, MSYMBOL_NAME (ft_info->font.file), 0, + &ft_face)) { - MFTInfo *ft_info = MPLIST_VAL (pl); - int score; - - 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)) - { - best_font = ft_info; - best_score = score; - if (score == 0) - break; - } + font->type = MFONT_TYPE_FAILURE; + MDEBUG_PRINT (" no (FT_New_Face)\n"); + return NULL; } - if (family == Mnil) + if (charmap_list) + M17N_OBJECT_REF (charmap_list); + else + charmap_list = ft_get_charmaps (ft_face); + if (registry == Mnil) + registry = Municode_bmp; + plist = mplist_find_by_key (charmap_list, registry); + if (! plist) + { + FT_Done_Face (ft_face); + M17N_OBJECT_UNREF (charmap_list); + MDEBUG_PRINT1 (" no (%s)\n", MSYMBOL_NAME (registry)); + return NULL; + } + charmap_index = (int) MPLIST_VAL (plist); + if ((charmap_index >= 0 + && FT_Set_Charmap (ft_face, ft_face->charmaps[charmap_index])) + || FT_Set_Pixel_Sizes (ft_face, 0, size / 10)) { - plist = MPLIST_NEXT (plist); - if (! MPLIST_TAIL_P (plist)) - goto retry; + FT_Done_Face (ft_face); + M17N_OBJECT_UNREF (charmap_list); + font->type = MFONT_TYPE_FAILURE; + MDEBUG_PRINT1 (" no (size %d)\n", size); + return NULL; } - if (! best_font) - return NULL; + 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->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); + 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->baseline_offset = 0; +#ifdef HAVE_FTBDF_H + { + BDF_PropertyRec prop; + + if (! FT_IS_SCALABLE (ft_face) + && FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET", &prop) == 0) + { + rfont->baseline_offset = prop.u.integer; + rfont->ascent += prop.u.integer; + rfont->descent -= prop.u.integer; + } + } +#endif /* HAVE_FTBDF_H */ + if (FT_IS_SCALABLE (ft_face)) + rfont->average_width = 0; + else + rfont->average_width = ft_face->available_sizes->width; + 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 OPEN. */ - -static int -ft_open (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; - 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); - rfont->type = Mfreetype; - rfont->fontp = ft_info->ft_face; - return 0; - - 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; -} - /* The FreeType font driver function FIND_METRIC. */ 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); for (; g != gend; g++) @@ -534,28 +1583,38 @@ 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; + unsigned unitsPerEm10 = ft_face->units_per_EM * 10; + int size = rfont->spec.size; g->lbearing = 0; - g->rbearing = ft_face->max_advance_width * size / unitsPerEm; - g->width = ft_face->max_advance_width * size / unitsPerEm; - g->ascent = ft_face->ascender * size / unitsPerEm; - g->descent = (- ft_face->descender) * size / unitsPerEm; + g->rbearing = ft_face->max_advance_width * size / unitsPerEm10; + g->width = g->rbearing; + g->ascent = ft_face->ascender * size / unitsPerEm10; + g->descent = (- ft_face->descender) * size / unitsPerEm10; } else { +#ifdef HAVE_FTBDF_H BDF_PropertyRec prop; +#endif /* HAVE_FTBDF_H */ 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; FT_Get_BDF_Property (ft_face, "DESCENT", &prop); g->descent = prop.u.integer; + if (FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET", + & prop) == 0) + { + g->ascent += prop.u.integer; + g->descent -= prop.u.integer; + } } else +#endif /* HAVE_FTBDF_H */ { g->ascent = ft_face->available_sizes->height; g->descent = 0; @@ -574,27 +1633,95 @@ ft_find_metric (MRealizedFont *rfont, MGlyphString *gstring, g->ascent = metrics->horiBearingY >> 6; g->descent = (metrics->height - metrics->horiBearingY) >> 6; } + g->ascent += rfont->baseline_offset; + g->descent -= rfont->baseline_offset; + } +} + +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, unsigned code) +ft_encode_char (MFrame *frame, MFont *font, MFont *spec, unsigned code) { - MFTInfo *ft_info; + 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 = (unsigned) FT_Get_Char_Index (ft_info->ft_face, (FT_ULong) code); - if (! code) - return MCHAR_INVALID_CODE; - return (code); + 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. */ @@ -611,7 +1738,6 @@ 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; @@ -619,14 +1745,15 @@ ft_render (MDrawWindow win, int x, int y, MGlyph *g; int i, j; MPointTable point_table[8]; + int baseline_offset; if (from == to) return; /* 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; + baseline_offset = rface->rfont->baseline_offset; if (! gstring->anti_alias) { @@ -670,7 +1797,7 @@ ft_render (MDrawWindow win, int x, int y, { ptable = point_table + intensity; ptable->p->x = xoff; - ptable->p->y = yoff; + ptable->p->y = yoff - baseline_offset; ptable->p++; if (ptable->p - ptable->points == NUM_POINTS) { @@ -695,7 +1822,7 @@ ft_render (MDrawWindow win, int x, int y, { ptable = point_table; ptable->p->x = xoff; - ptable->p->y = yoff; + ptable->p->y = yoff - baseline_offset; ptable->p++; if (ptable->p - ptable->points == NUM_POINTS) { @@ -726,54 +1853,362 @@ 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_DUMP (" [FONT-FT] listing ", "", mdebug_dump_font (font)); + + if (font) + { + MSymbol family; + + registry = FONT_PROPERTY (font, MFONT_REGISTRY); + if (registry != Mnil && registry != Miso8859_1) + { + 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); + if (! capability_list || 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);) + { + if (mplist_find_by_value (capability_list, MPLIST_VAL (p))) + 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 + && (font->property[MFONT_WEIGHT] + font->property[MFONT_STYLE] + + font->property[MFONT_STRETCH] + font->size) > 0) + { + 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; + + 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) + { + mplist_push (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; +} + +static void +ft_list_family_names (MFrame *frame, MPlist *plist) +{ + MPlist *pl; + + if (! ft_font_list) + { +#ifdef HAVE_FONTCONFIG + fc_init_font_list (); +#else /* not HAVE_FONTCONFIG */ + ft_init_font_list (); +#endif /* not HAVE_FONTCONFIG */ + } + + MPLIST_DO (pl, ft_font_list) + { + MSymbol family = MPLIST_KEY (pl); + MPlist *p; + +#ifdef HAVE_FONTCONFIG + if (msymbol_get (family, Mgeneric_family) != Mnil) + continue; +#endif /* HAVE_FONTCONFIG */ + MPLIST_DO (p, plist) + { + MSymbol sym = MPLIST_SYMBOL (p); + + if (sym == family) + break; + if (strcmp (MSYMBOL_NAME (sym), MSYMBOL_NAME (family)) > 0) + { + mplist_push (p, Msymbol, family); + break; + } + } + if (MPLIST_TAIL_P (p)) + mplist_push (p, Msymbol, family); + } +} + +static int +ft_check_capability (MRealizedFont *rfont, MSymbol capability) +{ + MFontFT *ft_info = (MFontFT *) rfont->font; + MRealizedFontFT *ft_rfont = rfont->info; + MFontCapability *cap = mfont__get_capability (capability); + + if (cap->script != Mnil + && ft_check_script (ft_info, cap->script, ft_rfont->ft_face) < 0) + return -1; + if (cap->language != Mnil + && ft_check_language (ft_info, cap->language, ft_rfont->ft_face) < 0) + return -1; + if (cap->script_tag && ft_check_otf (ft_info, cap, ft_rfont->ft_face) < 0) + return -1; + return 0; +} + +static MRealizedFont * +ft_encapsulate (MFrame *frame, MSymbol data_type, void *data) +{ + MFontFT *ft_info; + MRealizedFont *rfont; + MRealizedFontFT *ft_rfont; + FT_Face ft_face; + + if (data_type == Mfontconfig) + { +#ifdef HAVE_FONTCONFIG + FcPattern *pattern = data; + + if (FcPatternGetFTFace (pattern, FC_FT_FACE, 0, &ft_face) + != FcResultMatch) + return NULL; + ft_info = fc_gen_font (pattern, NULL); +#else /* not HAVE_FONTCONFIG */ + return NULL; +#endif /* not HAVE_FONTCONFIG */ + } + else if (data_type == Mfreetype) + { + ft_face = data; + ft_info = ft_gen_font (ft_face); + } + else + return NULL; + + M17N_OBJECT (ft_rfont, free_ft_rfont, MERROR_FONT_FT); + ft_rfont->ft_face = ft_face; + ft_rfont->face_encapsulated = 1; + + MDEBUG_DUMP (" [FONT-FT] encapsulating ", (char *) ft_face->family_name,); + + MSTRUCT_CALLOC (rfont, MERROR_FONT_FT); + rfont->font = (MFont *) ft_info; + rfont->info = ft_rfont; + rfont->fontp = ft_face; + rfont->driver = &mfont__ft_driver; + rfont->spec = ft_info->font; + rfont->spec.type = MFONT_TYPE_REALIZED; + rfont->frame = frame; + 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->baseline_offset = 0; +#ifdef HAVE_FTBDF_H + { + BDF_PropertyRec prop; + + if (! FT_IS_SCALABLE (ft_face) + && FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET", &prop) == 0) + { + rfont->baseline_offset = prop.u.integer; + rfont->ascent += prop.u.integer; + rfont->descent -= prop.u.integer; + } + } +#endif /* HAVE_FTBDF_H */ + if (FT_IS_SCALABLE (ft_face)) + rfont->average_width = 0; + else + rfont->average_width = ft_face->available_sizes->width; + rfont->next = MPLIST_VAL (frame->realized_font_list); + MPLIST_VAL (frame->realized_font_list) = rfont; + + return rfont; +} + +static void +ft_close (MRealizedFont *rfont) +{ + if (! rfont->encapsulating) + return; + free (rfont->font); + M17N_OBJECT_UNREF (rfont->info); + free (rfont); +} + + /* 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, ft_list_family_names, ft_check_capability, + ft_encapsulate, ft_close }; int mfont__ft_init () { - struct { - char *ft_style; - char *weight, *style, *stretch; - } ft_to_prop_name[] = - { { "regular", "medium", "r", "normal" }, - { "medium", "medium", "r", "normal" }, - { "normal", "medium", "r", "normal" }, - { "italic", "medium", "i", "normal" }, - { "bold", "bold", "r", "normal" }, - { "bolditalic", "bold", "i", "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" }, - { "bold oblique", "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[0] = msymbol ("0-0"); + M0[1] = msymbol ("0-1"); + M0[2] = msymbol ("0-2"); + M0[3] = msymbol ("0-3"); + M0[4] = msymbol ("0-4"); + 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; } @@ -783,59 +2218,113 @@ mfont__ft_fini () { MPlist *plist, *p; + if (ft_default_list) + { + M17N_OBJECT_UNREF (ft_default_list); + ft_default_list = NULL; + } + if (ft_font_list) { 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); + ft_language_list = NULL; + } + + if (ft_script_list) + { + MPLIST_DO (plist, ft_script_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_script_list); + ft_script_list = NULL; + } + + if (ft_capability_list) + { + MPLIST_DO (plist, ft_capability_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_capability_list); + ft_capability_list = NULL; + } + + if (ft_file_list) + { + MPLIST_DO (plist, ft_file_list) + M17N_OBJECT_UNREF (MPLIST_VAL (plist)); + M17N_OBJECT_UNREF (ft_file_list); + ft_file_list = NULL; + } } - 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 ((FcChar8 *) name); - FcResult result; 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 + 0.5; + else if (FcPatternGetDouble (pat, FC_SIZE, 0, &size) == FcResultMatch) + font->size = - (size * 10 + 0.5); + 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; } @@ -843,28 +2332,9 @@ 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; } @@ -875,7 +2345,7 @@ mfont__ft_unparse_name (MFont *font) #define DEVICE_DELTA(table, size) \ (((size) >= (table).StartSize && (size) <= (table).EndSize) \ - ? (table).DeltaValue[(size) >= (table).StartSize] \ + ? (table).DeltaValue[(size) - (table).StartSize] \ : 0) void @@ -897,72 +2367,81 @@ adjust_anchor (OTF_Anchor *anchor, FT_Face ft_face, } else if (anchor->AnchorFormat == 3) { - *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, size); + 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, - MSymbol script, MSymbol langsys, - MSymbol gsub_features, MSymbol gpos_features) + MFontCapability *cap) { int len = to - from; MGlyph *g = MGLYPH (from); int i, gidx; MRealizedFont *rfont; - MFTInfo *ft_info; + MFontFT *ft_info; OTF *otf; OTF_GlyphString otf_gstring; OTF_Glyph *otfg; - char *script_name, *language_name; - char *gsub_feature_names, *gpos_feature_names; + char *script, *langsys; + char *gsub_features, *gpos_features; int need_cmap; if (len == 0) return from; + otf_gstring.glyphs = NULL; rfont = g->rface->rfont; - ft_info = rfont->info; - if (ft_info->otf_flag < 0) + 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 && OTF_get_table (otf, "head") < 0) - { - OTF_close (otf); - otf = NULL; - } + MRealizedFontFT *ft_rfont = rfont->info; + +#if (LIBOTF_MAJOR_VERSION > 0 || LIBOTF_MINOR_VERSION > 9 || LIBOTF_RELEASE_NUMBER > 4) + otf = OTF_open_ft_face (ft_rfont->ft_face); +#else + otf = OTF_open (MSYMBOL_NAME (ft_info->font.file)); +#endif if (! otf) { - ft_info->otf_flag = -1; + 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; + } - if (script != Mnil) - script_name = msymbol_name (script); + if (cap->script_tag) + { + script = alloca (5); + OTF_tag_name (cap->script_tag, script); + } else - script_name = NULL; - if (langsys != Mnil) - language_name = msymbol_name (langsys); + script = NULL; + if (cap->langsys_tag) + { + langsys = alloca (5); + OTF_tag_name (cap->langsys_tag, langsys); + } else - language_name = NULL; - gsub_feature_names - = (gsub_features == Mt ? "*" - : gsub_features == Mnil ? NULL - : msymbol_name (gsub_features)); - if (gsub_feature_names && OTF_check_table (otf, "GSUB") < 0) - gsub_feature_names = NULL; - gpos_feature_names - = (gpos_features == Mt ? "*" - : gpos_features == Mnil ? NULL - : msymbol_name (gpos_features)); - if (gpos_feature_names && OTF_check_table (otf, "GPOS") < 0) - gpos_feature_names = NULL; + 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; otf_gstring.size = otf_gstring.used = len; otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len); @@ -987,10 +2466,10 @@ mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, OTF_drive_gdef (otf, &otf_gstring); gidx = gstring->used; - if (gsub_feature_names) + if (gsub_features) { - if (OTF_drive_gsub (otf, &otf_gstring, script_name, language_name, - gsub_feature_names) < 0) + 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++) { @@ -1025,20 +2504,24 @@ mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, MLIST_APPEND1 (gstring, glyphs, temp, MERROR_FONT_OTF); } - ft_find_metric (rfont, gstring, gidx, gstring->used); + (rfont->driver->find_metric) (rfont, gstring, gidx, gstring->used); - if (gpos_feature_names) + if (gpos_features) { int u; int size10, size; MGlyph *base = NULL, *mark = NULL; - if (OTF_drive_gpos (otf, &otf_gstring, script_name, language_name, - gpos_feature_names) < 0) + 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->font.property[MFONT_SIZE]; + size10 = rfont->spec.size; size = size10 / 10; for (i = 0, otfg = otf_gstring.glyphs, g = MGLYPH (gidx); @@ -1093,10 +2576,10 @@ mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, 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, ft_info->ft_face, + 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, ft_info->ft_face, + 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; @@ -1115,13 +2598,26 @@ mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, return to; simple_copy: - ft_find_metric (rfont, gstring, from, to); + for (i = 0; i < len; i++) + { + MGlyph *g = MGLYPH (from + i); + + if (! g->otf_encoded) + { + g->code = rfont->driver->encode_char (gstring->frame, (MFont *) rfont, + NULL, g->code); + g->otf_encoded = 1; + } + } + + rfont->driver->find_metric (rfont, gstring, from, to); for (i = 0; i < len; i++) { MGlyph temp = gstring->glyphs[from + i]; MLIST_APPEND1 (gstring, glyphs, temp, MERROR_FONT_OTF); } - free (otf_gstring.glyphs); + if (otf_gstring.glyphs) + free (otf_gstring.glyphs); return to; } @@ -1129,7 +2625,7 @@ mfont__ft_drive_otf (MGlyphString *gstring, int from, int to, int mfont__ft_decode_otf (MGlyph *g) { - 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);