/* Fontset handler.
-Copyright (C) 2001-2014 Free Software Foundation, Inc.
+Copyright (C) 2001-2015 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005, 2006, 2007, 2008, 2009, 2010, 2011
National Institute of Advanced Industrial Science and Technology (AIST)
range of characters in this fontset, but may be available in the
default fontset.
+ A fontset has 8 extra slots.
- A fontset has 9 extra slots.
-
- The 1st slot: the ID number of the fontset
+ The 1st slot:
+ base: the ID number of the fontset
+ realized: Likewise
The 2nd slot:
base: the name of the fontset
realized: nil
The 3rd slot:
- base: nil
- realized: the base fontset
+ base: the font name for ASCII characters
+ realized: nil
The 4th slot:
base: nil
- realized: the frame that the fontset belongs to
+ realized: the base fontset
The 5th slot:
- base: the font name for ASCII characters
- realized: nil
+ base: nil
+ realized: the frame that the fontset belongs to
The 6th slot:
base: nil
has no font in a realized fontset.
The 7th slot:
- base: nil
- realized: Alist of font index vs the corresponding repertory
- char-table.
-
- The 8th slot:
base: nil
realized: If the base is not the default fontset, a fontset
- realized from the default fontset, else nil.
+ realized from the default fontset, else nil.
- The 9th slot:
+ The 8th slot:
base: Same as element value (but for fallback fonts).
realized: Likewise.
Lisp_Object vec, font_object;
int size;
int i;
- bool score_changed = 0;
+ bool score_changed = false;
if (font)
XSETFONT (font_object, font);
if (RFONT_DEF_SCORE (rfont_def) != score)
{
RFONT_DEF_SET_SCORE (rfont_def, score);
- score_changed = 1;
+ score_changed = true;
}
}
if (score_changed)
qsort (XVECTOR (vec)->contents, size, word_size,
fontset_compare_rfontdef);
- XSETCAR (font_group, make_number (charset_ordered_list_tick));
+ EMACS_INT low_tick_bits = charset_ordered_list_tick & MOST_POSITIVE_FIXNUM;
+ XSETCAR (font_group, make_number (low_tick_bits));
}
/* Return a font-group (actually a cons (-1 . FONT-GROUP-VECTOR)) for
/* If PATTERN is not full XLFD we convert "*" to ".*". Otherwise
we convert "*" to "[^-]*" which is much faster in regular
expression matching. */
- if (ndashes < 14)
- p1 = regex = alloca (SBYTES (pattern) + 2 * nstars + 2 * nescs + 1);
- else
- p1 = regex = alloca (SBYTES (pattern) + 5 * nstars + 2 * nescs + 1);
+ ptrdiff_t regexsize = (SBYTES (pattern)
+ + (ndashes < 14 ? 2 : 5) * nstars
+ + 2 * nescs + 1);
+ USE_SAFE_ALLOCA;
+ p1 = regex = SAFE_ALLOCA (regexsize);
*p1++ = '^';
for (p0 = SDATA (pattern); *p0; p0++)
Vcached_fontset_data = Fcons (build_string (SSDATA (pattern)),
build_string ((char *) regex));
+ SAFE_FREE ();
}
return CACHED_FONTSET_REGEX;
registry = AREF (font_spec, FONT_REGISTRY_INDEX);
if (! NILP (registry))
registry = Fdowncase (SYMBOL_NAME (registry));
- encoding = find_font_encoding (concat3 (family, build_string ("-"),
- registry));
+ AUTO_STRING (dash, "-");
+ encoding = find_font_encoding (concat3 (family, dash, registry));
if (NILP (encoding))
encoding = Qascii;
if (ascii_changed)
{
- Lisp_Object tail, fr, alist;
+ Lisp_Object tail, fr;
int fontset_id = XINT (FONTSET_ID (fontset));
set_fontset_ascii (fontset, fontname);
if (! NILP (font_object))
{
update_auto_fontset_alist (font_object, fontset);
- alist = list1 (Fcons (Qfont, Fcons (name, font_object)));
- Fmodify_frame_parameters (fr, alist);
+ AUTO_FRAME_ARG (arg, Qfont, Fcons (name, font_object));
+ Fmodify_frame_parameters (fr, arg);
}
}
}
return Qnil;
if (!FRAME_WINDOW_P (f))
return Qnil;
+ /* We need the basic faces to be valid below, so recompute them if
+ some code just happened to clear the face cache. */
+ if (FRAME_FACE_CACHE (f)->used == 0)
+ recompute_basic_faces (f);
face_id = FACE_FOR_CHAR (f, FACE_FROM_ID (f, face_id), c, pos, Qnil);
face = FACE_FROM_ID (f, face_id);
if (face->font)
/* Recode fontsets realized on FRAME from the base fontset FONTSET
in the table `realized'. */
- realized[0] = alloca (word_size * ASIZE (Vfontset_table));
+ USE_SAFE_ALLOCA;
+ SAFE_ALLOCA_LISP (realized[0], 2 * ASIZE (Vfontset_table));
+ realized[1] = realized[0] + ASIZE (Vfontset_table);
for (i = j = 0; i < ASIZE (Vfontset_table); i++)
{
elt = FONTSET_FROM_ID (i);
}
realized[0][j] = Qnil;
- realized[1] = alloca (word_size * ASIZE (Vfontset_table));
for (i = j = 0; ! NILP (realized[0][i]); i++)
{
elt = FONTSET_DEFAULT (realized[0][i]);
break;
}
+ SAFE_FREE ();
return tables[0];
}