face is also realized for multibyte characters based on an ASCII
face. All of the multibyte faces based on the same ASCII face
share the same realized fontset.
-
+
A fontset object is implemented by a char-table.
An element of a base fontset is:
(INDEX . FONTNAME) or
(INDEX . (FOUNDRY . REGISTRY ))
FONTNAME is a font name pattern for the corresponding character.
- FOUNDRY and REGISTRY are respectively foundy and regisry fields of
+ FOUNDRY and REGISTRY are respectively foundry and registry fields of
a font name for the corresponding character. INDEX specifies for
which character (or generic character) the element is defined. It
may be different from an index to access this element. For
charset. REGISTRY is the
An element of a realized fontset is FACE-ID which is a face to use
- for displaying the correspnding character.
+ for displaying the corresponding character.
- All single byte charaters (ASCII and 8bit-unibyte) share the same
+ All single byte characters (ASCII and 8bit-unibyte) share the same
element in a fontset. The element is stored in the first element
of the fontset.
These structures are hidden from the other codes than this file.
The other codes handle fontsets only by their ID numbers. They
usually use variable name `fontset' for IDs. But, in this file, we
- always use varialbe name `id' for IDs, and name `fontset' for the
+ always use variable name `id' for IDs, and name `fontset' for the
actual fontset objects.
*/
/* Vector containing all fontsets. */
static Lisp_Object Vfontset_table;
-/* Next possibly free fontset ID. Usually this keeps the mininum
+/* Next possibly free fontset ID. Usually this keeps the minimum
fontset ID not yet used. */
static int next_fontset_id;
/* Return a pointer to struct font_info of font FONT_IDX of frame F. */
struct font_info *(*get_font_info_func) P_ ((FRAME_PTR f, int font_idx));
-/* Return a list of font names which matches PATTERN. See the document of
- `x-list-fonts' for more detail. */
+/* Return a list of font names which matches PATTERN. See the documentation
+ of `x-list-fonts' for more details. */
Lisp_Object (*list_fonts_func) P_ ((struct frame *f,
Lisp_Object pattern,
int size,
/* To find a CCL program, fs_load_font calls this function.
The argument is a pointer to the struct font_info.
- This function set the memer `encoder' of the structure. */
+ This function set the member `encoder' of the structure. */
void (*find_ccl_program_func) P_ ((struct font_info *));
/* Check if any window system is used now. */
/* Find a free slot in Vfontset_table. Usually, next_fontset_id is
the next available fontset ID. So it is expected that this loop
terminates quickly. In addition, as the last element of
- Vfotnset_table is always nil, we don't have to check the range of
+ Vfontset_table is always nil, we don't have to check the range of
id. */
while (!NILP (AREF (Vfontset_table, id))) id++;
if (id + 1 == size)
{
Lisp_Object tem;
- int i;
+ int i;
tem = Fmake_vector (make_number (size + 8), Qnil);
for (i = 0; i < size; i++)
int force;
{
Lisp_Object family, registry;
- char *p = XSTRING (fontname)->data;
- char *sep[15];
+ const char *p = SDATA (fontname);
+ const char *sep[15];
int i = 0;
-
+
while (*p && i < 15)
if (*p++ == '-')
{
}
\f
-/********** INTERFACES TO xfaces.c and dispextern.h **********/
+/********** INTERFACES TO xfaces.c and dispextern.h **********/
/* Return name of the fontset with ID. */
/* No face is recorded for C in the fontset of FACE. Make a new
realized face for C that has the same fontset. */
face_id = lookup_face (f, face->lface, c, face);
-
+
/* Record the face ID in FONTSET at the same index as the
information in the base fontset. */
FONTSET_SET (fontset, c, make_number (face_id));
{
Lisp_Object fontset, elt;
struct font_info *fontp;
-
+
elt = Qnil;
if (fontset_id_valid_p (id))
{
font name. */
elt = XCDR (elt);
xassert (STRINGP (elt));
- fontp = FS_LOAD_FONT (f, c, XSTRING (elt)->data, -1);
+ fontp = FS_LOAD_FONT (f, c, SDATA (elt), -1);
if (!fontp)
return Qnil;
if (!fontname && charset == CHARSET_ASCII)
{
elt = FONTSET_ASCII (fontset);
- fontname = XSTRING (XCDR (elt))->data;
+ fontname = SDATA (XCDR (elt));
}
}
fontp->vertical_centering
= (STRINGP (Vvertical_centering_font_regexp)
- && (fast_c_string_match_ignore_case
+ && (fast_c_string_match_ignore_case
(Vvertical_centering_font_regexp, fontp->full_name) >= 0));
if (fontp->encoding[1] != FONT_ENCODING_NOT_DECIDED)
the corresponding regular expression. */
static Lisp_Object Vcached_fontset_data;
-#define CACHED_FONTSET_NAME (XSTRING (XCAR (Vcached_fontset_data))->data)
+#define CACHED_FONTSET_NAME (SDATA (XCAR (Vcached_fontset_data)))
#define CACHED_FONTSET_REGEX (XCDR (Vcached_fontset_data))
/* If fontset name PATTERN contains any wild card, return regular
fontset_pattern_regexp (pattern)
Lisp_Object pattern;
{
- if (!index (XSTRING (pattern)->data, '*')
- && !index (XSTRING (pattern)->data, '?'))
+ if (!index (SDATA (pattern), '*')
+ && !index (SDATA (pattern), '?'))
/* PATTERN does not contain any wild cards. */
return Qnil;
if (!CONSP (Vcached_fontset_data)
- || strcmp (XSTRING (pattern)->data, CACHED_FONTSET_NAME))
+ || strcmp (SDATA (pattern), CACHED_FONTSET_NAME))
{
/* We must at first update the cached data. */
- char *regex = (char *) alloca (XSTRING (pattern)->size * 2 + 3);
+ char *regex = (char *) alloca (SCHARS (pattern) * 2 + 3);
char *p0, *p1 = regex;
/* Convert "*" to ".*", "?" to ".". */
*p1++ = '^';
- for (p0 = (char *) XSTRING (pattern)->data; *p0; p0++)
+ for (p0 = (char *) SDATA (pattern); *p0; p0++)
{
if (*p0 == '*')
{
*p1++ = '$';
*p1++ = 0;
- Vcached_fontset_data = Fcons (build_string (XSTRING (pattern)->data),
+ Vcached_fontset_data = Fcons (build_string (SDATA (pattern)),
build_string (regex));
}
for (i = 0; i < ASIZE (Vfontset_table); i++)
{
Lisp_Object fontset;
- unsigned char *this_name;
+ const unsigned char *this_name;
fontset = FONTSET_FROM_ID (i);
if (NILP (fontset)
|| !BASE_FONTSET_P (fontset))
continue;
- this_name = XSTRING (FONTSET_NAME (fontset))->data;
+ this_name = SDATA (FONTSET_NAME (fontset));
if (regexpp
? fast_c_string_match_ignore_case (name, this_name) >= 0
- : !strcmp (XSTRING (name)->data, this_name))
+ : !strcmp (SDATA (name), this_name))
return i;
}
return -1;
CHECK_STRING (pattern);
- if (XSTRING (pattern)->size == 0)
+ if (SCHARS (pattern) == 0)
return Qnil;
id = fs_query_fontset (pattern, !NILP (regexpp));
/* Return a list of base fontset names matching PATTERN on frame F.
If SIZE is not 0, it is the size (maximum bound width) of fontsets
- to be listed. */
+ to be listed. */
Lisp_Object
list_fontsets (f, pattern, size)
for (id = 0; id < ASIZE (Vfontset_table); id++)
{
Lisp_Object fontset;
- unsigned char *name;
+ const unsigned char *name;
fontset = FONTSET_FROM_ID (id);
if (NILP (fontset)
|| !BASE_FONTSET_P (fontset)
|| !EQ (frame, FONTSET_FRAME (fontset)))
continue;
- name = XSTRING (FONTSET_NAME (fontset))->data;
+ name = SDATA (FONTSET_NAME (fontset));
if (!NILP (regexp)
? (fast_c_string_match_ignore_case (regexp, name) < 0)
- : strcmp (XSTRING (pattern)->data, name))
+ : strcmp (SDATA (pattern), name))
continue;
if (size)
tem = Fquery_fontset (name, Qnil);
if (!NILP (tem))
error ("Fontset `%s' matches the existing fontset `%s'",
- XSTRING (name)->data, XSTRING (tem)->data);
+ SDATA (name), SDATA (tem));
/* Check the validity of FONTLIST while creating a template for
fontset elements. */
/* Check validity of NAME as a fontset name and return the
corresponding fontset. If not valid, signal an error.
- If NAME is t, return Vdefault_fontset. */
+ If NAME is nil, return Vdefault_fontset. */
static Lisp_Object
check_fontset_name (name)
{
int id;
- if (EQ (name, Qt))
+ if (EQ (name, Qnil))
return Vdefault_fontset;
CHECK_STRING (name);
id = fs_query_fontset (name, 0);
if (id < 0)
- error ("Fontset `%s' does not exist", XSTRING (name)->data);
+ error ("Fontset `%s' does not exist", SDATA (name));
return FONTSET_FROM_ID (id);
}
DEFUN ("set-fontset-font", Fset_fontset_font, Sset_fontset_font, 3, 4, 0,
doc: /* Modify fontset NAME to use FONTNAME for CHARACTER.
+If NAME is nil, modify the default fontset.
CHARACTER may be a cons; (FROM . TO), where FROM and TO are
non-generic characters. In that case, use FONTNAME
for all characters in the range FROM and TO (inclusive).
-CHARACTER may be a charset. In that case, use FONTNAME
+CHARACTER may be a charset. In that case, use FONTNAME
for all character in the charsets.
FONTNAME may be a cons; (FAMILY . REGISTRY), where FAMILY is a family
-name of a font, REGSITRY is a registry name of a font. */)
+name of a font, REGISTRY is a registry name of a font. */)
(name, character, fontname, frame)
Lisp_Object name, character, fontname, frame;
{
{
elt = Fget (character, Qcharset);
if (!VECTORP (elt) || ASIZE (elt) < 1 || !NATNUMP (AREF (elt, 0)))
- error ("Invalid charset: %s", (XSYMBOL (character)->name)->data);
+ error ("Invalid charset: %s", SDATA (SYMBOL_NAME (character)));
from = MAKE_CHAR (XINT (AREF (elt, 0)), 0, 0);
to = from;
}
if (!query_font_func)
error ("Font query function is not supported");
- fontp = (*query_font_func) (f, XSTRING (name)->data);
+ fontp = (*query_font_func) (f, SDATA (name));
if (!fontp)
return Qnil;
}
+/* Called from Ffontset_info via map_char_table on each leaf of
+ fontset. ARG is a copy of the default fontset. The current leaf
+ is indexed by CHARACTER and has value ELT. This function override
+ the copy by ELT if ELT is not nil. */
+
+static void
+override_font_info (fontset, character, elt)
+ Lisp_Object fontset, character, elt;
+{
+ if (! NILP (elt))
+ Faset (fontset, character, elt);
+}
+
/* Called from Ffontset_info via map_char_table on each leaf of
fontset. ARG is a list (LAST FONT-INFO ...), where LAST is `(last
ARG)' and FONT-INFOs have this form:
(CHAR FONT-SPEC) or ((FROM . TO) FONT-SPEC)
The current leaf is indexed by CHARACTER and has value ELT. This
function add the information of the current leaf to ARG by
- appending a new element or modifying the last element.. */
+ appending a new element or modifying the last element. */
static void
accumulate_font_info (arg, character, elt)
DEFUN ("fontset-info", Ffontset_info, Sfontset_info, 1, 2, 0,
doc: /* Return information about a fontset named NAME on frame FRAME.
+If NAME is nil, return information about the default fontset.
The value is a vector:
[ SIZE HEIGHT ((CHARSET-OR-RANGE FONT-SPEC OPENED ...) ...) ],
where,
or a cons of two characters specifying the range of characters.
FONT-SPEC is a fontname pattern string or a cons (FAMILY . REGISTRY),
where FAMILY is a `FAMILY' field of a XLFD font name,
- REGISTRY is a `CHARSET_REGISTRY' field of a XLDF font name.
- FAMILY may contain a `FOUNDARY' field at the head.
+ REGISTRY is a `CHARSET_REGISTRY' field of a XLFD font name.
+ FAMILY may contain a `FOUNDRY' field at the head.
REGISTRY may contain a `CHARSET_ENCODING' field at the tail.
OPENEDs are names of fonts actually opened.
If the ASCII font is not yet opened, SIZE and HEIGHT are 0.
struct font_info *fontp = NULL;
int n_realized = 0;
int i;
-
+
(*check_window_system_func) ();
fontset = check_fontset_name (name);
realized[n_realized++] = elt;
}
+ if (! EQ (fontset, Vdefault_fontset))
+ {
+ /* Merge FONTSET onto the default fontset. */
+ val = Fcopy_sequence (Vdefault_fontset);
+ map_char_table (override_font_info, Qnil, fontset, val, 0, indices);
+ fontset = val;
+ }
+
/* Accumulate information of the fontset in VAL. The format is
(LAST FONT-INFO FONT-INFO ...), where FONT-INFO is (CHAR-OR-RANGE
FONT-SPEC). See the comment for accumulate_font_info for the
if (CONSP (elt))
{
elt = XCAR (elt);
- fontp = (*query_font_func) (f, XSTRING (elt)->data);
+ fontp = (*query_font_func) (f, SDATA (elt));
}
val = Fmake_vector (make_number (3), val);
AREF (val, 0) = fontp ? make_number (fontp->size) : make_number (0);
DEFUN ("fontset-font", Ffontset_font, Sfontset_font, 2, 2, 0,
doc: /* Return a font name pattern for character CH in fontset NAME.
-If NAME is t, find a font name pattern in the default fontset. */)
+If NAME is nil, find a font name pattern in the default fontset. */)
(name, ch)
Lisp_Object name, ch;
{
return elt;
}
-
DEFUN ("fontset-list", Ffontset_list, Sfontset_list, 0, 0, 0,
doc: /* Return a list of all defined fontset names. */)
FONTSET_ID (Vdefault_fontset) = make_number (0);
FONTSET_NAME (Vdefault_fontset)
= build_string ("-*-*-*-*-*-*-*-*-*-*-*-*-fontset-default");
-#if defined (macintosh)
+#if defined (MAC_OS)
FONTSET_ASCII (Vdefault_fontset)
= Fcons (make_number (0),
build_string ("-apple-monaco-medium-r-*--*-120-*-*-*-*-mac-roman"));
2: code points 0x20A0..0x7FFF are used,
3: code points 0xA020..0xFF7F are used. */);
Vfont_encoding_alist = Qnil;
+ Vfont_encoding_alist
+ = Fcons (Fcons (build_string ("JISX0201"),
+ Fcons (Fcons (intern ("latin-jisx0201"), make_number (0)),
+ Qnil)),
+ Vfont_encoding_alist);
+ Vfont_encoding_alist
+ = Fcons (Fcons (build_string ("ISO8859-1"),
+ Fcons (Fcons (intern ("ascii"), make_number (0)),
+ Qnil)),
+ Vfont_encoding_alist);
DEFVAR_LISP ("use-default-ascent", &Vuse_default_ascent,
doc: /* Char table of characters whose ascent values should be ignored.
&Vvertical_centering_font_regexp,
doc: /* *Regexp matching font names that require vertical centering on display.
When a character is displayed with such fonts, the character is displayed
-at the vertival center of lines. */);
+at the vertical center of lines. */);
Vvertical_centering_font_regexp = Qnil;
defsubr (&Squery_fontset);