You should have received a copy of the GNU Lesser General Public
License along with the m17n library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
02111-1307, USA. */
#include "config.h"
#include "internal.h"
#include "plist.h"
#include "symbol.h"
+#include "language.h"
+#include "internal-flt.h"
#include "internal-gui.h"
#include "font.h"
#include "face.h"
#ifdef HAVE_FREETYPE
-#include <freetype/ftbdf.h>
+#ifdef HAVE_FTBDF_H
+#include FT_BDF_H
+#endif
+
+static int mdebug_flag = MDEBUG_FONT;
#ifdef HAVE_FONTCONFIG
-#include <fontconfig/fontconfig.h>
+#include <fontconfig/fcfreetype.h>
-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
+{
+ M17NObject control;
+ FT_Face ft_face; /* This must be the 2nd member. */
+ MPlist *charmap_list;
+ int face_encapsulated;
+} MRealizedFontFT;
+
typedef struct
{
char *ft_style;
static MFTtoProp ft_to_prop[] =
{ { "italic", 0, MFONT_STYLE, "i" },
{ "roman", 0, MFONT_STYLE, "r" },
- { "oblique", 0, MFONT_STYLE, "p" },
- { "regular", 0, MFONT_WEIGHT, "medium" },
- { "normal", 0, MFONT_WEIGHT, "medium" },
+ { "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" },
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;
+/** 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;
+
+/** 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 MPlist *ft_file_list;
+
static int all_fonts_scaned;
-/** Return 0 if NAME implies TrueType or OpenType fonts. Othersize
- return -1. */
+#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 = '\0'; \
+ } while (0)
-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;
-}
-/** Setup members of FT_INFO from FT_FACE. Return the family name. */
+static MPlist *ft_list_family (MSymbol, int);
-static MSymbol
-set_font_info (FT_Face ft_face, MFTInfo *ft_info, MSymbol family)
+static void
+free_ft_rfont (void *object)
{
- MFont *font = &ft_info->font;
- int len;
- char *buf, *p;
- MPlist *charmap_list;
- int unicode_bmp = -1, unicode_full = -1, unicode = -1;
- int i;
-
- MFONT_INIT (font);
+ MRealizedFontFT *ft_rfont = object;
- if (family == Mnil)
+ if (! ft_rfont->face_encapsulated)
{
- 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);
+ M17N_OBJECT_UNREF (ft_rfont->charmap_list);
+ FT_Done_Face (ft_rfont->ft_face);
}
- mfont__set_property (font, MFONT_FAMILY, family);
- mfont__set_property (font, MFONT_WEIGHT, msymbol ("medium"));
- mfont__set_property (font, MFONT_STYLE, msymbol ("r"));
- mfont__set_property (font, MFONT_STRETCH, msymbol ("normal"));
- mfont__set_property (font, MFONT_ADSTYLE, msymbol (""));
-
- 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';
- p = buf;
- while (*p && (*p < 'a' || *p > 'z')) p++;
- while (*p)
- {
- for (i = 0; i < ft_to_prop_size; i++)
- if (! strncmp (ft_to_prop[i].ft_style, p, ft_to_prop[i].len))
- {
- mfont__set_property (font, ft_to_prop[i].prop,
- msymbol (ft_to_prop[i].val));
- p += ft_to_prop[i].len;
- break;
- }
- if (i == ft_to_prop_size)
- {
- char *p1 = p + 1;
- MSymbol sym;
+ free (ft_rfont);
+}
- while (*p1 >= 'a' && *p1 <= 'z') p1++;
- sym = msymbol__with_len (p, p1 - p);
- for (i = MFONT_WEIGHT; i <= MFONT_STYLE; i++)
- if (msymbol_get (sym, mfont__property_table[i].property))
- {
- mfont__set_property (font, i, sym);
- break;
- }
- p = p1;
- }
- while (*p && (*p < 'a' || *p > 'z')) p++;
- }
- }
+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);
+}
+
+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;
+}
+
+#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);
- ft_info->charmap_list = charmap_list;
+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 (! FT_IS_SCALABLE (ft_face))
+ 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;
+
+ for (i = 0; table[i].m17n_value; i++)
+ if (table[i].sym == sym)
+ break;
+ return table[i].fc_value;
+}
-static void
-close_ft (void *object)
+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);
- if (ft_info->languages)
- free (ft_info->languages);
- 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, char *languages)
+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);
- if (languages)
- ft_info->languages = strdup (languages);
- 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 MPlist *fc_generic_family_list;
+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);
- /* TODO: avoid duplicate addition by checking the current font
- directory list given by FcConfigGetFontDirs (). */
+ 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);
+}
+
+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;
- pattern = FcPatternCreate ();
- if (family)
- FcPatternAddString (pattern, FC_FAMILY,
- (FcChar8 *) (msymbol_name (family)));
- os = FcObjectSetBuild (FC_FILE, FC_FAMILY, FC_LANG, NULL);
- fs = FcFontList (fc_config, pattern, os);
- if (fs->nfont == 0
- && family != Mnil
- && mplist_get (fc_generic_family_list, family)
- && FcConfigSubstitute (fc_config, pattern, FcMatchPattern) == FcTrue)
- {
- FcFontSetDestroy (fs);
- fs = FcFontList (fc_config, pattern, os);
- }
for (i = 0; i < fs->nfont; i++)
{
- char *filename, *languages;
+ MSymbol family, file;
+ char *fam, *filename;
+ MFontFT *ft_info;
- FcPatternGetString (fs->fonts[i], FC_FILE, 0, (FcChar8 **) &filename);
- FcPatternGetString (fs->fonts[i], FC_LANG, 0, (FcChar8 **) &languages);
- if (family == Mnil)
+ 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)
{
- MSymbol fam;
- char *fname;
-
- FcPatternGetString (fs->fonts[i], FC_FAMILY, 0, (FcChar8 **) &fname);
- fam = msymbol (fname);
- if (! mplist_get (ft_font_list, fam))
- add_font_info (filename, fam, languages);
+ 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);
}
- else
- add_font_info (filename, family, languages);
}
- 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 void
-ft_list_all ()
+static FcCharSet *
+fc_build_charset (MPlist *char_list, MText *mt)
{
- MPlist *plist;
- struct stat buf;
- char *pathname;
+ FcCharSet *cs = FcCharSetCreate ();
- 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, NULL);
- else if (S_ISDIR (buf.st_mode))
+ 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)))
{
- int len = strlen (pathname);
- char path[PATH_MAX];
- DIR *dir = opendir (pathname);
- struct dirent *dp;
+ FcCharSetDestroy (cs);
+ return NULL;
+ }
+ }
+ else
+ {
+ int i;
- if (dir)
+ 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_info)
+ 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_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))
+ 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);
+}
+
+/* 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 */
+
+
+/* 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 (! 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_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_cap_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 (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)
+ {
+ if (! plist)
+ {
+ plist = ft_list_script (cap->script);
+ if (! plist)
+ return NULL;
+ plist = mplist_copy (plist);
+ }
+ else
+ {
+ for (pl = plist; ! MPLIST_TAIL_P (pl);)
+ {
+ 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_cap_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))
{
- 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, NULL);
+ 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)
{
+ MFont *found = NULL;
+#ifdef HAVE_FONTCONFIG
MPlist *plist, *pl;
- MFTInfo *best_font;
- int best_score;
- MRealizedFont *rfont;
- MSymbol family, registry;
+ MFontFT *ft_info;
+ int check_font_property = 1;
- 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 ();
-#ifdef HAVE_FONTCONFIG
- if (family != Mnil)
+ 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 ();
- 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)
+ plist = MPLIST_PLIST (ft_list_family (family, 1));
+ else
+ plist = ft_list_default ();
+ 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_cap_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);
}
}
- 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);
+ 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);
+ }
}
- 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 /* HAVE_FONTCONFIG */
+ 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;
+ 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;
- 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;
+ if (font->size)
+ /* non-scalable font */
+ size = font->size;
+ else if (spec->size)
+ {
+ int ratio = mfont_resize_ratio (font);
- 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;
+ size = ratio == 100 ? spec->size : spec->size * ratio / 100;
+ }
+ else
+ size = 120;
- 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;
+ 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_DUMP (" [FONT-FT] opening ", "", mdebug_dump_font (&ft_info->font));
+
+ if (FT_New_Face (ft_library, MSYMBOL_NAME (ft_info->font.file), 0,
+ &ft_face))
+ {
+ font->type = MFONT_TYPE_FAILURE;
+ MDEBUG_PRINT (" no (FT_New_Face)\n");
+ return NULL;
+ }
+ 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))
+ {
+ FT_Done_Face (ft_face);
+ M17N_OBJECT_UNREF (charmap_list);
+ font->type = MFONT_TYPE_FAILURE;
+ MDEBUG_PRINT1 (" no (size %d)\n", size);
+ 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->font = font;
+ rfont->driver = &mfont__ft_driver;
+ rfont->info = ft_rfont;
+ rfont->fontp = ft_face;
+ rfont->ascent = ft_face->size->metrics.ascender;
+ rfont->descent = - ft_face->size->metrics.descender;
+ rfont->max_advance = ft_face->size->metrics.max_advance;
+ rfont->baseline_offset = 0;
+ rfont->x_ppem = ft_face->size->metrics.x_ppem;
+ rfont->y_ppem = ft_face->size->metrics.y_ppem;
+#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 << 6;
+ rfont->ascent += prop.u.integer << 6;
+ rfont->descent -= prop.u.integer << 6;
+ }
+ }
+#endif /* HAVE_FTBDF_H */
+ if (FT_IS_SCALABLE (ft_face))
+ rfont->average_width = 0;
+ else
+ rfont->average_width = ft_face->available_sizes->width << 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. */
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++)
{
- if (g->code == MCHAR_INVALID_CODE)
+ if (g->g.measured)
+ continue;
+ if (g->g.code == MCHAR_INVALID_CODE)
{
if (FT_IS_SCALABLE (ft_face))
{
- unsigned unitsPerEm = ft_face->units_per_EM;
- int size = rfont->font.property[MFONT_SIZE] / 10;
-
- 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->g.lbearing = 0;
+ g->g.rbearing = ft_face->size->metrics.max_advance;
+ g->g.xadv = g->g.rbearing;
+ g->g.ascent = ft_face->size->metrics.ascender;
+ g->g.descent = - ft_face->size->metrics.descender;
}
else
{
+#ifdef HAVE_FTBDF_H
BDF_PropertyRec prop;
+#endif /* HAVE_FTBDF_H */
- g->lbearing = 0;
- g->rbearing = g->width = ft_face->available_sizes->width;
+ g->g.lbearing = 0;
+ g->g.rbearing = g->g.xadv = ft_face->available_sizes->width << 6;
+#ifdef HAVE_FTBDF_H
if (FT_Get_BDF_Property (ft_face, "ASCENT", &prop) == 0)
{
- g->ascent = prop.u.integer;
+ g->g.ascent = prop.u.integer << 6;
FT_Get_BDF_Property (ft_face, "DESCENT", &prop);
- g->descent = prop.u.integer;
+ g->g.descent = prop.u.integer << 6;
+ if (FT_Get_BDF_Property (ft_face, "_MULE_BASELINE_OFFSET",
+ & prop) == 0)
+ {
+ g->g.ascent += prop.u.integer << 6;
+ g->g.descent -= prop.u.integer << 6;
+ }
}
else
+#endif /* HAVE_FTBDF_H */
{
- g->ascent = ft_face->available_sizes->height;
- g->descent = 0;
+ g->g.ascent = ft_face->available_sizes->height << 6;
+ g->g.descent = 0;
}
}
}
{
FT_Glyph_Metrics *metrics;
- FT_Load_Glyph (ft_face, (FT_UInt) g->code, FT_LOAD_DEFAULT);
+ FT_Load_Glyph (ft_face, (FT_UInt) g->g.code, FT_LOAD_DEFAULT);
metrics = &ft_face->glyph->metrics;
- g->lbearing = (metrics->horiBearingX >> 6);
- g->rbearing = (metrics->horiBearingX + metrics->width) >> 6;
- g->width = metrics->horiAdvance >> 6;
- g->ascent = metrics->horiBearingY >> 6;
- g->descent = (metrics->height - metrics->horiBearingY) >> 6;
+ g->g.lbearing = metrics->horiBearingX;
+ g->g.rbearing = metrics->horiBearingX + metrics->width;
+ g->g.xadv = metrics->horiAdvance;
+ g->g.ascent = metrics->horiBearingY;
+ g->g.descent = metrics->height - metrics->horiBearingY;
+ }
+ g->g.yadv = 0;
+ g->g.ascent += rfont->baseline_offset;
+ g->g.descent -= rfont->baseline_offset;
+ g->g.measured = 1;
+ }
+}
+
+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. */
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;
MGlyph *g;
int i, j;
MPointTable point_table[8];
+ int baseline_offset;
+ int pixel_mode = -1;
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 >> 6;
if (! gstring->anti_alias)
{
for (i = 0; i < 8; i++)
point_table[i].p = point_table[i].points;
- for (g = from; g < to; x += g++->width)
+ for (g = from; g < to; x += g++->g.xadv)
{
unsigned char *bmp;
int intensity;
int xoff, yoff;
int width, pitch;
- FT_Load_Glyph (ft_face, (FT_UInt) g->code, load_flags);
- yoff = y - ft_face->glyph->bitmap_top + g->yoff;
+ FT_Load_Glyph (ft_face, (FT_UInt) g->g.code, load_flags);
+ if (pixel_mode < 0)
+ pixel_mode = ft_face->glyph->bitmap.pixel_mode;
+ yoff = y - ft_face->glyph->bitmap_top + g->g.yoff;
bmp = ft_face->glyph->bitmap.buffer;
width = ft_face->glyph->bitmap.width;
pitch = ft_face->glyph->bitmap.pitch;
- if (! gstring->anti_alias)
- pitch *= 8;
- if (width > pitch)
- width = pitch;
- if (gstring->anti_alias)
+ if (pixel_mode != FT_PIXEL_MODE_MONO)
for (i = 0; i < ft_face->glyph->bitmap.rows;
i++, bmp += ft_face->glyph->bitmap.pitch, yoff++)
{
- xoff = x + ft_face->glyph->bitmap_left + g->xoff;
+ xoff = x + ft_face->glyph->bitmap_left + g->g.xoff;
for (j = 0; j < width; j++, xoff++)
{
intensity = bmp[j] >> 5;
{
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)
{
for (i = 0; i < ft_face->glyph->bitmap.rows;
i++, bmp += ft_face->glyph->bitmap.pitch, yoff++)
{
- xoff = x + ft_face->glyph->bitmap_left + g->xoff;
+ xoff = x + ft_face->glyph->bitmap_left + g->g.xoff;
for (j = 0; j < width; j++, xoff++)
{
intensity = bmp[j / 8] & (1 << (7 - (j % 8)));
{
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)
{
}
}
- if (gstring->anti_alias)
+ if (pixel_mode != FT_PIXEL_MODE_MONO)
{
for (i = 1; i < 8; i++)
if (point_table[i].p != point_table[i].points)
}
}
-static MPlist *
-ft_list (MFrame *frame, MPlist *plist, MFont *font, MSymbol language)
+static int
+ft_list (MFrame *frame, MPlist *plist, MFont *font, int maxnum)
{
- MPlist *pl, *p;
- MSymbol family = font ? FONT_PROPERTY (font, MFONT_FAMILY) : Mnil;
- char *lang = language != Mnil ? MSYMBOL_NAME (language) : NULL;
+ MPlist *pl = NULL, *p;
+ int num = 0;
+ MPlist *file_list = NULL;
+ MPlist *family_list = NULL, *capability_list = NULL;
+ MSymbol registry = Mnil;
- if (! all_fonts_scaned)
- {
-#ifdef HAVE_FONTCONFIG
- fc_list (Mnil);
-#else
- ft_list_all ();
-#endif
- all_fonts_scaned = 1;
- }
+ MDEBUG_DUMP (" [FONT-FT] listing ", "", mdebug_dump_font (font));
- if (family == Mnil)
- pl = ft_font_list;
- else
+ if (font)
{
- pl = mplist_find_by_key (ft_font_list, family);
- if (! pl)
- return NULL;
- }
+ MSymbol family;
- MPLIST_DO (pl, pl)
- {
- MPLIST_DO (p, MPLIST_VAL (pl))
+ registry = FONT_PROPERTY (font, MFONT_REGISTRY);
+ if (registry != Mnil && registry != Miso8859_1)
{
- MFTInfo *ft_info = MPLIST_VAL (p);
+ char *reg = MSYMBOL_NAME (registry);
- if (lang && ft_info->languages && strstr (ft_info->languages, lang))
- continue;
- if (font && ! mfont__match_p (&ft_info->font, font, MFONT_REGISTRY))
- continue;
- mplist_push (plist, FONT_PROPERTY (&ft_info->font, MFONT_FAMILY),
- &ft_info->font);
+ if (strncmp (reg, "unicode-", 8)
+ && strncmp (reg, "apple-roman", 11)
+ && (reg[0] < '0' || reg[0] > '9' || reg[1] != '-'))
+ goto done;
}
- if (family != Mnil)
- break;
- }
- return plist;
-}
-
-\f
-/* Internal API */
-
-MFontDriver mfont__ft_driver =
- { ft_select, ft_open, ft_find_metric, ft_encode_char, ft_render, ft_list };
-
-int
-mfont__ft_init ()
-{
- int i;
-
- if (FT_Init_FreeType (&ft_library) != 0)
- MERROR (MERROR_FONT_FT, -1);
-
- for (i = 0; i < ft_to_prop_size; i++)
- ft_to_prop[i].len = strlen (ft_to_prop[i].ft_style);
-
- Municode_bmp = msymbol ("unicode-bmp");
- Municode_full = msymbol ("unicode-full");
- Miso10646_1 = msymbol ("iso10646-1");
- Miso8859_1 = msymbol ("iso8859-1");
-
-#ifdef HAVE_FONTCONFIG
- fc_generic_family_list = mplist ();
- mplist_push (fc_generic_family_list, msymbol ("serif"), Mt);
- mplist_push (fc_generic_family_list, msymbol ("sans-serif"), Mt);
- mplist_push (fc_generic_family_list, msymbol ("monospace"), Mt);
- mplist_push (fc_generic_family_list, msymbol ("sans"), Mt);
- mplist_push (fc_generic_family_list, msymbol ("sans serif"), Mt);
- mplist_push (fc_generic_family_list, msymbol ("mono"), Mt);
-#endif
-
- return 0;
-}
-void
-mfont__ft_fini ()
-{
- MPlist *plist, *p;
+ 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 (ft_font_list)
+ if (! file_list && ! family_list && ! capability_list)
{
- MPLIST_DO (plist, ft_font_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)
{
- MPLIST_DO (p, MPLIST_VAL (plist))
+ 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
{
- MFTInfo *ft_info = MPLIST_VAL (p);
-
- M17N_OBJECT_UNREF (ft_info);
+ 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));
}
- M17N_OBJECT_UNREF (MPLIST_VAL (plist));
}
- M17N_OBJECT_UNREF (ft_font_list);
- ft_font_list = NULL;
}
- FT_Done_FreeType (ft_library);
- all_fonts_scaned = 0;
+
+ 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;
-#ifdef HAVE_FONTCONFIG
- m17n_object_unref (fc_generic_family_list);
-#endif
+ 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;
+}
-#ifdef HAVE_FONTCONFIG
-typedef struct
+static void
+ft_list_family_names (MFrame *frame, MPlist *plist)
{
- int fc_value;
- char *m17n_value;
-} FC_vs_M17N_font_prop;
+ MPlist *pl;
-static FC_vs_M17N_font_prop fc_weight_table[] =
- { { FC_WEIGHT_ULTRALIGHT, "extralight" },
- { FC_WEIGHT_LIGHT, "light" },
- { FC_WEIGHT_NORMAL, "normal" },
- { FC_WEIGHT_MEDIUM, "medium" },
- { FC_WEIGHT_DEMIBOLD, "demibold" },
- { FC_WEIGHT_EXTRABOLD, "extrabold" },
- { FC_WEIGHT_BLACK, "black" },
- { FC_WEIGHT_MEDIUM, NULL } };
+ if (! ft_font_list)
+ {
+#ifdef HAVE_FONTCONFIG
+ fc_init_font_list ();
+#else /* not HAVE_FONTCONFIG */
+ ft_init_font_list ();
+#endif /* not HAVE_FONTCONFIG */
+ }
-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 } };
+ MPLIST_DO (pl, ft_font_list)
+ {
+ MSymbol family = MPLIST_KEY (pl);
+ MPlist *p;
-static FC_vs_M17N_font_prop fc_width_table[] =
- { { FC_WIDTH_CONDENSED, "condensed" },
- { FC_WIDTH_SEMIEXPANDED, "semicondensed" },
- { FC_WIDTH_NORMAL, "normal" },
- { FC_WIDTH_SEMIEXPANDED, "semiexpanded" },
- { FC_WIDTH_EXPANDED, "expanded" },
- { FC_WIDTH_NORMAL, NULL } };
+#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 MSymbol
-fc_decode_prop (int val, FC_vs_M17N_font_prop *table)
+static int
+ft_check_capability (MRealizedFont *rfont, MSymbol capability)
{
- int i;
+ MFontFT *ft_info = (MFontFT *) rfont->font;
+ MRealizedFontFT *ft_rfont = rfont->info;
+ MFontCapability *cap = mfont__get_capability (capability);
- for (i = 0; table[i].m17n_value; i++)
- if (val <= table[i].fc_value)
- msymbol ("table[i].m17n_value");
- return msymbol ("table[i - 1].m17n_value");
+ if (cap->script_tag)
+ {
+ if (ft_check_cap_otf (ft_info, cap, ft_rfont->ft_face) < 0)
+ return -1;
+ }
+ else 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;
+ return 0;
}
-static int
-fc_encode_prop (char *name, FC_vs_M17N_font_prop *table)
+static MRealizedFont *
+ft_encapsulate (MFrame *frame, MSymbol data_type, void *data)
{
- int i;
+ MFontFT *ft_info;
+ MRealizedFont *rfont;
+ MRealizedFontFT *ft_rfont;
+ FT_Face ft_face;
- for (i = 0; table[i].m17n_value && strcmp (name, table[i].m17n_value); i++);
- return table[i].fc_value;
+ 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;
+ rfont->x_ppem = ft_face->size->metrics.x_ppem;
+ rfont->y_ppem = ft_face->size->metrics.y_ppem;
+#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 << 6;
+ rfont->ascent += prop.u.integer << 6;
+ rfont->descent -= prop.u.integer << 6;
+ }
+ }
+#endif /* HAVE_FTBDF_H */
+ if (FT_IS_SCALABLE (ft_face))
+ rfont->average_width = 0;
+ else
+ rfont->average_width = ft_face->available_sizes->width << 6;
+ rfont->next = MPLIST_VAL (frame->realized_font_list);
+ MPLIST_VAL (frame->realized_font_list) = rfont;
+
+ return rfont;
}
-int
-mfont__ft_parse_name (char *name, MFont *font)
+static void
+ft_close (MRealizedFont *rfont)
{
- FcPattern *pat = FcNameParse ((FcChar8 *) name);
- FcChar8 *str;
- int val;
- double size;
-
- if (! pat)
- return -1;
- if (FcPatternGetString (pat, FC_FOUNDRY, 0, &str) == FcResultMatch)
- mfont__set_property (font, MFONT_FOUNDRY, msymbol ((char *) str));
- if (FcPatternGetString (pat, FC_FAMILY, 0, &str) == FcResultMatch)
- mfont__set_property (font, MFONT_FAMILY, msymbol ((char *) str));
- if (FcPatternGetInteger (pat, FC_WEIGHT, 0, &val) == FcResultMatch)
- mfont__set_property (font, MFONT_WEIGHT,
- fc_decode_prop (val, fc_weight_table));
- if (FcPatternGetInteger (pat, FC_SLANT, 0, &val) == FcResultMatch)
- mfont__set_property (font, MFONT_STYLE,
- fc_decode_prop (val, fc_slant_table));
- if (FcPatternGetInteger (pat, FC_WIDTH, 0, &val) == FcResultMatch)
- mfont__set_property (font, MFONT_STRETCH,
- fc_decode_prop (val, fc_width_table));
- if (FcPatternGetDouble (pat, FC_PIXEL_SIZE, 0, &size) == FcResultMatch)
- font->property[MFONT_SIZE] = size * 10;
- FcPatternDestroy (pat);
- return 0;
+ if (! rfont->encapsulating)
+ return;
+ free (rfont->font);
+ M17N_OBJECT_UNREF (rfont->info);
+ free (rfont);
}
-char *
-mfont__ft_unparse_name (MFont *font)
+static int
+ft_check_otf (MFLTFont *font, MFLTOtfSpec *spec)
{
- FcPattern *pat = FcPatternCreate ();
- MSymbol sym, weight, style, stretch;
- char *name;
+#ifdef HAVE_OTF
+ MRealizedFont *rfont = ((MFLTFontForRealized *) font)->rfont;
+ MFontFT *ft_info = (MFontFT *) rfont->font;
+ OTF *otf;
+ OTF_Tag *tags;
+ int i, n, negative;
- 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 (MSYMBOL_NAME (weight),
- fc_weight_table));
- if ((style = (MSymbol) FONT_PROPERTY (font, MFONT_STYLE)) != Mnil)
- FcPatternAddInteger (pat, FC_SLANT, fc_encode_prop (MSYMBOL_NAME (style),
- fc_slant_table));
- if ((stretch = (MSymbol) FONT_PROPERTY (font, MFONT_STRETCH)) != Mnil)
- FcPatternAddInteger (pat, FC_WIDTH, fc_encode_prop (MSYMBOL_NAME (stretch),
- fc_width_table));
- name = (char *) FcNameUnparse (pat);
- FcPatternDestroy (pat);
- return name;
+ if (ft_info->otf == invalid_otf)
+ goto not_otf;
+ otf = ft_info->otf;
+ if (! otf)
+ {
+ 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 = invalid_otf;
+ goto not_otf;
+ }
+ ft_info->otf = otf;
+ }
+
+ for (i = 0; i < 2; i++)
+ {
+ if (! spec->features[i])
+ continue;
+ for (n = 0; spec->features[i][n]; n++);
+ tags = alloca (sizeof (OTF_Tag) * n);
+ for (n = 0, negative = 0; spec->features[i][n]; n++)
+ {
+ if (spec->features[i][n] == 0xFFFFFFFF)
+ negative = 1;
+ else if (negative)
+ tags[n - 1] = spec->features[i][n] | 0x80000000;
+ else
+ tags[n] = spec->features[i][n];
+ }
+ if (n - negative > 0
+ && OTF_check_features (otf, i == 0, spec->script, spec->langsys,
+ tags, n - negative) != 1)
+ return 0;
+ }
+ return 1;
+#endif /* HAVE_OTF */
+ not_otf:
+ return ((! spec->features[0] || spec->features[0][0] == 0xFFFFFFFF)
+ && (! spec->features[1] || spec->features[1][0] == 0xFFFFFFFF));
}
-#endif /* HAVE_FONTCONFIG */
-\f
#ifdef HAVE_OTF
#define DEVICE_DELTA(table, size) \
(((size) >= (table).StartSize && (size) <= (table).EndSize) \
- ? (table).DeltaValue[(size) >= (table).StartSize] \
+ ? (table).DeltaValue[(size) - (table).StartSize] << 6 \
: 0)
void
adjust_anchor (OTF_Anchor *anchor, FT_Face ft_face,
- unsigned code, int size, int *x, int *y)
+ unsigned code, int x_ppem, int y_ppem, int *x, int *y)
{
if (anchor->AnchorFormat == 2)
{
outline = &ft_face->glyph->outline;
if (ap < outline->n_points)
{
- *x = outline->points[ap].x;
- *y = outline->points[ap].y;
+ *x = outline->points[ap].x << 6;
+ *y = outline->points[ap].y << 6;
}
}
else if (anchor->AnchorFormat == 3)
{
- *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, size);
- *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, size);
+ if (anchor->f.f2.XDeviceTable.offset)
+ *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, x_ppem);
+ if (anchor->f.f2.YDeviceTable.offset)
+ *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, y_ppem);
}
}
+#endif /* HAVE_OTF */
-int
-mfont__ft_drive_otf (MGlyphString *gstring, int from, int to,
- MSymbol script, MSymbol langsys,
- MSymbol gsub_features, MSymbol gpos_features)
+static int
+ft_drive_otf (MFLTFont *font, MFLTOtfSpec *spec,
+ MFLTGlyphString *in, int from, int to,
+ MFLTGlyphString *out, MFLTGlyphAdjustment *adjustment)
{
int len = to - from;
- MGlyph *g = MGLYPH (from);
- int i, gidx;
- MRealizedFont *rfont;
- MFTInfo *ft_info;
+ int i, j, gidx;
+ MRealizedFont *rfont = ((MFLTFontForRealized *) font)->rfont;
+ MRealizedFontFT *ft_rfont = rfont->info;
+ MFontFT *ft_info = (MFontFT *) rfont->font;
+#ifdef HAVE_OTF
+ MGlyph *in_glyphs = (MGlyph *) (in->glyphs);
+ MGlyph *out_glyphs = (MGlyph *) (out->glyphs);
OTF *otf;
OTF_GlyphString otf_gstring;
OTF_Glyph *otfg;
- char *script_name, *language_name;
- char *gsub_feature_names, *gpos_feature_names;
- int need_cmap;
+ char script[5], *langsys = NULL;
+ char *gsub_features = NULL, *gpos_features = NULL;
if (len == 0)
return from;
-
- rfont = g->rface->rfont;
- ft_info = rfont->info;
- if (ft_info->otf_flag < 0)
+ 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 (script != Mnil)
- script_name = msymbol_name (script);
- else
- script_name = NULL;
- if (langsys != Mnil)
- language_name = msymbol_name (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;
+ if (OTF_get_table (otf, "head") < 0)
+ {
+ OTF_close (otf);
+ ft_info->otf = invalid_otf;
+ goto simple_copy;
+ }
+
+ OTF_tag_name (spec->script, script);
+ if (spec->langsys)
+ {
+ langsys = alloca (5);
+ OTF_tag_name (spec->langsys, langsys);
+ }
+ for (i = 0; i < 2; i++)
+ {
+ char *p;
+
+ if (spec->features[i] && spec->features[i][1] != 0xFFFFFFFF)
+ {
+ for (j = 0; spec->features[i][j]; j++);
+ if (i == 0)
+ p = gsub_features = alloca (6 * j);
+ else
+ p = gpos_features = alloca (6 * j);
+ for (j = 0; spec->features[i][j]; j++)
+ {
+ if (spec->features[i][j] == 0xFFFFFFFF)
+ *p++ = '*', *p++ = ',';
+ else
+ {
+ OTF_tag_name (spec->features[i][j], p);
+ p[4] = ',';
+ p += 5;
+ }
+ }
+ *--p = '\0';
+ }
+ }
otf_gstring.size = otf_gstring.used = len;
otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len);
memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * len);
- for (i = 0, need_cmap = 0; i < len; i++)
+ for (i = 0; i < len; i++)
{
- if (gstring->glyphs[from + i].otf_encoded)
- {
- otf_gstring.glyphs[i].c = gstring->glyphs[from + i].c;
- otf_gstring.glyphs[i].glyph_id = gstring->glyphs[from + i].code;
- }
- else
- {
- otf_gstring.glyphs[i].c = gstring->glyphs[from + i].code;
- need_cmap++;
- }
+ otf_gstring.glyphs[i].c = ((MGlyph *)in->glyphs)[from + i].g.c;
+ otf_gstring.glyphs[i].glyph_id = ((MGlyph *)in->glyphs)[from + i].g.code;
}
- if (need_cmap
- && OTF_drive_cmap (otf, &otf_gstring) < 0)
- goto simple_copy;
OTF_drive_gdef (otf, &otf_gstring);
- gidx = gstring->used;
+ gidx = out->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;
+ if (out->allocated < out->used + otf_gstring.used)
+ return -2;
for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; i++, otfg++)
{
- MGlyph temp = *(MGLYPH (from + otfg->f.index.from));
+ MGlyph *g = out_glyphs + out->used;
+ int j;
- temp.c = otfg->c;
- temp.combining_code = 0;
- if (otfg->glyph_id)
- {
- temp.code = otfg->glyph_id;
- temp.otf_encoded = 1;
- }
- else
+ *g = in_glyphs[from + otfg->f.index.from];
+ g->g.c = 0;
+ for (j = from + otfg->f.index.from; j <= from + otfg->f.index.to; j++)
+ if (in_glyphs[j].g.code == otfg->glyph_id)
+ {
+ g->g.c = in_glyphs[j].g.c;
+ break;
+ }
+ if (g->g.code != otfg->glyph_id)
{
- temp.code = temp.c;
- temp.otf_encoded = 0;
+ g->g.code = otfg->glyph_id;
+ g->g.measured = 0;
}
- temp.to = MGLYPH (from + otfg->f.index.to)->to;
- MLIST_APPEND1 (gstring, glyphs, temp, MERROR_FONT_OTF);
+ out->used++;
}
}
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);
- }
-
- ft_find_metric (rfont, gstring, gidx, gstring->used);
+ {
+ if (out->allocated < out->used + len)
+ return -2;
+ for (i = 0; i < len; i++)
+ out_glyphs[out->used++] = in_glyphs[from + i];
+ }
- if (gpos_feature_names)
+ if (gpos_features)
{
- int u;
- int size10, size;
- MGlyph *base = NULL, *mark = NULL;
+ FT_Face face;
+ MGlyph *base = NULL, *mark = NULL, *g;
+ int x_ppem, y_ppem, x_scale, y_scale;
- if (OTF_drive_gpos (otf, &otf_gstring, script_name, language_name,
- gpos_feature_names) < 0)
+ if (OTF_drive_gpos (otf, &otf_gstring, script, langsys, gpos_features)
+ < 0)
return to;
- u = otf->head->unitsPerEm;
- size10 = rfont->font.property[MFONT_SIZE];
- size = size10 / 10;
+ face = ft_rfont->ft_face;
+ x_ppem = face->size->metrics.x_ppem;
+ y_ppem = face->size->metrics.y_ppem;
+ x_scale = face->size->metrics.x_scale;
+ y_scale = face->size->metrics.y_scale;
- for (i = 0, otfg = otf_gstring.glyphs, g = MGLYPH (gidx);
+ for (i = 0, otfg = otf_gstring.glyphs, g = out_glyphs + gidx;
i < otf_gstring.used; i++, otfg++, g++)
{
MGlyph *prev;
{
case 0:
break;
- case 1: case 2:
+ case 1: /* Single */
+ case 2: /* Pair */
{
int format = otfg->f.f1.format;
if (format & OTF_XPlacement)
- g->xoff = otfg->f.f1.value->XPlacement * size10 / u / 10;
+ adjustment[i].xoff
+ = otfg->f.f1.value->XPlacement * x_scale / 0x10000;
if (format & OTF_XPlaDevice)
- g->xoff += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, size);
+ adjustment[i].xoff
+ += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, x_ppem);
if (format & OTF_YPlacement)
- g->yoff = - (otfg->f.f1.value->YPlacement * size10 / u / 10);
+ adjustment[i].yoff
+ = - (otfg->f.f1.value->YPlacement * y_scale / 0x10000);
if (format & OTF_YPlaDevice)
- g->yoff -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, size);
+ adjustment[i].yoff
+ -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, y_ppem);
if (format & OTF_XAdvance)
- g->width += otfg->f.f1.value->XAdvance * size10 / u / 10;
+ adjustment[i].xadv
+ += otfg->f.f1.value->XAdvance * x_scale / 0x10000;
if (format & OTF_XAdvDevice)
- g->width += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, size);
+ adjustment[i].xadv
+ += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, x_ppem);
+ if (format & OTF_YAdvance)
+ adjustment[i].yadv
+ += otfg->f.f1.value->YAdvance * y_scale / 0x10000;
+ if (format & OTF_YAdvDevice)
+ adjustment[i].yadv
+ += DEVICE_DELTA (otfg->f.f1.value->YAdvDevice, y_ppem);
+ adjustment[i].set = 1;
}
break;
- case 3:
+ case 3: /* Cursive */
/* Not yet supported. */
break;
- case 4: case 5:
+ case 4: /* Mark-to-Base */
+ case 5: /* Mark-to-Ligature */
if (! base)
break;
prev = base;
goto label_adjust_anchor;
- default: /* i.e. case 6 */
+ default: /* i.e. case 6 Mark-to-Mark */
if (! mark)
break;
prev = mark;
label_adjust_anchor:
{
int base_x, base_y, mark_x, mark_y;
+ int this_from, this_to;
- 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;
+ base_x = otfg->f.f4.base_anchor->XCoordinate * x_scale / 0x10000;
+ base_y = otfg->f.f4.base_anchor->YCoordinate * y_scale / 0x10000;
+ mark_x = otfg->f.f4.mark_anchor->XCoordinate * x_scale / 0x10000;
+ mark_y = otfg->f.f4.mark_anchor->YCoordinate * y_scale / 0x10000;;
if (otfg->f.f4.base_anchor->AnchorFormat != 1)
- adjust_anchor (otfg->f.f4.base_anchor, ft_info->ft_face,
- prev->code, size, &base_x, &base_y);
+ adjust_anchor (otfg->f.f4.base_anchor, face, prev->g.code,
+ x_ppem, y_ppem, &base_x, &base_y);
if (otfg->f.f4.mark_anchor->AnchorFormat != 1)
- adjust_anchor (otfg->f.f4.mark_anchor, ft_info->ft_face,
- 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 ();
+ adjust_anchor (otfg->f.f4.mark_anchor, face, g->g.code,
+ x_ppem, y_ppem, &mark_x, &mark_y);
+ adjustment[i].xoff = (base_x - mark_x);
+ adjustment[i].yoff = - (base_y - mark_y);
+ adjustment[i].back = (g - prev);
+ adjustment[i].xadv = 0;
+ adjustment[i].advance_is_absolute = 1;
+ adjustment[i].set = 1;
+ this_from = g->g.from;
+ this_to = g->g.to;
+ for (j = 0; prev + j < g; j++)
+ {
+ if (this_from > prev[j].g.from)
+ this_from = prev[j].g.from;
+ if (this_to < prev[j].g.to)
+ this_to = prev[j].g.to;
+ }
+ for (; prev <= g; prev++)
+ {
+ prev->g.from = this_from;
+ prev->g.to = this_to;
+ }
}
}
if (otfg->GlyphClass == OTF_GlyphClass0)
return to;
simple_copy:
- ft_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);
+#endif /* HAVE_OTF */
+ if (out->allocated < out->used + len)
+ return -2;
+ font->get_metrics (font, in, from, to);
+ memcpy ((MGlyph *)out->glyphs + out->used, (MGlyph *) in->glyphs + from,
+ sizeof (MGlyph) * len);
+ out->used += len;
+ if (otf_gstring.glyphs)
+ free (otf_gstring.glyphs);
return to;
}
+\f
+/* Internal API */
+
+MFontDriver mfont__ft_driver =
+ { 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, ft_check_otf, ft_drive_otf };
int
-mfont__ft_decode_otf (MGlyph *g)
+mfont__ft_init ()
{
- MFTInfo *ft_info = (MFTInfo *) g->rface->rfont->info;
- int c = OTF_get_unicode (ft_info->otf, (OTF_GlyphID) g->code);
+ int i;
+
+ if (FT_Init_FreeType (&ft_library) != 0)
+ MERROR (MERROR_FONT_FT, -1);
+
+ 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++)
+ {
+ 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;
+ }
+
+ {
+ 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 /* HAVE_FONTCONFIG */
- return (c ? c : -1);
+ return 0;
}
-#endif /* HAVE_OTF */
+void
+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)
+ {
+ 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;
+ }
+ }
+ 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 (const char *name, MFont *font)
+{
+ FcPattern *pat = FcNameParse ((FcChar8 *) name);
+ FcChar8 *str;
+ int val;
+ double size;
+ char *buf;
+ int bufsize = 0;
+
+ if (! pat)
+ return -1;
+ if (FcPatternGetString (pat, FC_FOUNDRY, 0, &str) == FcResultMatch)
+ {
+ 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);
+ }
+ mfont__set_property (font, MFONT_REGISTRY, Municode_bmp);
+ font->type = MFONT_TYPE_SPEC;
+ FcPatternDestroy (pat);
+ return 0;
+}
+
+char *
+mfont__ft_unparse_name (MFont *font)
+{
+ FcPattern *pat = fc_get_pattern (font);
+ char *name = (char *) FcNameUnparse (pat);
+
+ FcPatternDestroy (pat);
+ return name;
+}
+#endif /* HAVE_FONTCONFIG */
#endif /* HAVE_FREETYPE */
projects / m17n / m17n-lib.git / blobdiff