/* font.c -- "Font" primitives.
- Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
- Copyright (C) 2006, 2007, 2008, 2009
+ Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2009, 2010
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H13PRO009
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
+#include <setjmp.h>
#include "lisp.h"
#include "buffer.h"
#include "nsterm.h"
#endif /* HAVE_NS */
-Lisp_Object Qfont_spec, Qfont_entity, Qfont_object;
-
#ifdef HAVE_NS
extern Lisp_Object Qfontsize;
#endif
/* Important character set strings. */
Lisp_Object Qascii_0, Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip;
-#ifdef HAVE_NS
-#define DEFAULT_ENCODING Qiso10646_1
-#else
#define DEFAULT_ENCODING Qiso8859_1
-#endif
/* Unicode category `Cf'. */
static Lisp_Object QCf;
int numeric;
/* The first one is a valid name as a face attribute.
The second one (if any) is a typical name in XLFD field. */
- char *names[5];
- Lisp_Object *symbols;
+ const char *names[5];
};
/* Table of weight numeric values and their names. This table must be
sorted by numeric values in ascending order. */
-static struct table_entry weight_table[] =
+static const struct table_entry weight_table[] =
{
{ 0, { "thin" }},
{ 20, { "ultra-light", "ultralight" }},
{ 40, { "extra-light", "extralight" }},
{ 50, { "light" }},
{ 75, { "semi-light", "semilight", "demilight", "book" }},
- { 100, { "normal", "medium", "regular" }},
+ { 100, { "normal", "medium", "regular", "unspecified" }},
{ 180, { "semi-bold", "semibold", "demibold", "demi" }},
{ 200, { "bold" }},
{ 205, { "extra-bold", "extrabold" }},
/* Table of slant numeric values and their names. This table must be
sorted by numeric values in ascending order. */
-static struct table_entry slant_table[] =
+static const struct table_entry slant_table[] =
{
{ 0, { "reverse-oblique", "ro" }},
{ 10, { "reverse-italic", "ri" }},
- { 100, { "normal", "r" }},
+ { 100, { "normal", "r", "unspecified" }},
{ 200, { "italic" ,"i", "ot" }},
{ 210, { "oblique", "o" }}
};
/* Table of width numeric values and their names. This table must be
sorted by numeric values in ascending order. */
-static struct table_entry width_table[] =
+static const struct table_entry width_table[] =
{
{ 50, { "ultra-condensed", "ultracondensed" }},
{ 63, { "extra-condensed", "extracondensed" }},
{ 75, { "condensed", "compressed", "narrow" }},
{ 87, { "semi-condensed", "semicondensed", "demicondensed" }},
- { 100, { "normal", "medium", "regular" }},
+ { 100, { "normal", "medium", "regular", "unspecified" }},
{ 113, { "semi-expanded", "semiexpanded", "demiexpanded" }},
{ 125, { "expanded" }},
{ 150, { "extra-expanded", "extraexpanded" }},
Lisp_Object QCantialias, QCfont_entity, QCfc_unknown_spec;
/* Symbols representing values of font spacing property. */
Lisp_Object Qc, Qm, Qp, Qd;
+/* Special ADSTYLE properties to avoid fonts used for Latin
+ characters; used in xfont.c and ftfont.c. */
+Lisp_Object Qja, Qko;
+
+Lisp_Object QCuser_spec;
Lisp_Object Vfont_encoding_alist;
font->props[i] = AREF (entity, i);
if (! NILP (AREF (entity, FONT_EXTRA_INDEX)))
font->props[FONT_EXTRA_INDEX]
- = Fcopy_sequence (AREF (entity, FONT_EXTRA_INDEX));
+ = Fcopy_alist (AREF (entity, FONT_EXTRA_INDEX));
}
if (size > 0)
font->props[FONT_SIZE_INDEX] = make_number (pixelsize);
obarray = Vobarray;
if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0)
obarray = check_obarray (obarray);
- parse_str_as_multibyte (str, len, &nchars, &nbytes);
+ parse_str_as_multibyte ((unsigned char *) str, len, &nchars, &nbytes);
if (len == nchars || len != nbytes)
/* CONTENTS contains no multibyte sequences or contains an invalid
multibyte sequence. We'll make a unibyte string. */
return -1;
if (len == 255)
abort ();
- elt = Fmake_vector (make_number (2), make_number (255));
+ elt = Fmake_vector (make_number (2), make_number (100));
ASET (elt, 1, val);
args[0] = table;
args[1] = Fmake_vector (make_number (1), elt);
ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args));
- return (255 << 8) | (i << 4);
+ return (100 << 8) | (i << 4);
}
else
{
: CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt)))))
return (XCDR (elt));
}
- /* We don't know the encoding of this font. Let's assume `ascii'. */
- return Qascii;
+ return Qnil;
}
/* Return encoding charset and repertory charset for REGISTRY in
while (CONSP (extra)
&& NILP (Fstring_lessp (prop, XCAR (XCAR (extra)))))
prev = extra, extra = XCDR (extra);
+
if (NILP (prev))
- ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra));
+ ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra));
else
- XSETCDR (prev, Fcons (Fcons (prop, val), extra));
+ XSETCDR (prev, Fcons (Fcons (prop, val), extra));
+
return val;
}
XSETCDR (slot, val);
+ if (NILP (val))
+ ASET (font, FONT_EXTRA_INDEX, Fdelq (slot, extra));
return val;
}
}
}
- ASET (font, FONT_DPI_INDEX, INTERN_FIELD (XLFD_RESY_INDEX));
+ val = INTERN_FIELD (XLFD_RESY_INDEX);
+ if (! NILP (val) && ! INTEGERP (val))
+ return -1;
+ ASET (font, FONT_DPI_INDEX, val);
val = INTERN_FIELD (XLFD_SPACING_INDEX);
if (! NILP (val))
{
p = f[XLFD_AVGWIDTH_INDEX];
if (*p == '~')
p++;
- ASET (font, FONT_AVGWIDTH_INDEX,
- font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0));
+ val = font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0);
+ if (! NILP (val) && ! INTEGERP (val))
+ return -1;
+ ASET (font, FONT_AVGWIDTH_INDEX, val);
}
else
{
if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX)))
{
f[XLFD_AVGWIDTH_INDEX] = alloca (11);
- len += sprintf (f[XLFD_AVGWIDTH_INDEX],
- "%d", XINT (AREF (font, FONT_AVGWIDTH_INDEX))) + 1;
+ len += sprintf (f[XLFD_AVGWIDTH_INDEX], "%ld",
+ (long) XINT (AREF (font, FONT_AVGWIDTH_INDEX))) + 1;
}
else
f[XLFD_AVGWIDTH_INDEX] = "*", len += 2;
if (family_end)
{
+ Lisp_Object extra_props = Qnil;
+
/* A fontconfig name with size and/or property data. */
if (family_end > name)
{
if (prop >= FONT_FOUNDRY_INDEX
&& prop < FONT_EXTRA_INDEX)
- ASET (font, prop, font_prop_validate (prop, Qnil, val));
+ ASET (font, prop, font_prop_validate (prop, Qnil, val));
else
- Ffont_put (font, key, val);
+ {
+ extra_props = nconc2 (extra_props,
+ Fcons (Fcons (key, val), Qnil));
+ }
}
p = q;
}
}
+
+ if (! NILP (extra_props))
+ {
+ struct font_driver_list *driver_list = font_driver_list;
+ for ( ; driver_list; driver_list = driver_list->next)
+ if (driver_list->driver->filter_properties)
+ (*driver_list->driver->filter_properties) (font, extra_props);
+ }
+
}
else
{
}
if (INTEGERP (AREF (font, FONT_DPI_INDEX)))
- len += sprintf (work, ":dpi=%d", XINT (AREF (font, FONT_DPI_INDEX)));
+ len += sprintf (work, ":dpi=%ld", (long)XINT (AREF (font, FONT_DPI_INDEX)));
if (INTEGERP (AREF (font, FONT_SPACING_INDEX)))
len += strlen (":spacing=100");
if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX)))
if (STRINGP (val))
len += SBYTES (val);
else if (INTEGERP (val))
- len += sprintf (work, "%d", XINT (val));
+ len += sprintf (work, "%ld", (long) XINT (val));
else if (SYMBOLP (val))
len += (NILP (val) ? 5 : 4); /* for "false" or "true" */
}
p += sprintf (p, ":%s=%s", style_names[i],
SDATA (SYMBOL_NAME (styles[i])));
if (INTEGERP (AREF (font, FONT_DPI_INDEX)))
- p += sprintf (p, ":dpi=%d", XINT (AREF (font, FONT_DPI_INDEX)));
+ p += sprintf (p, ":dpi=%ld", (long) XINT (AREF (font, FONT_DPI_INDEX)));
if (INTEGERP (AREF (font, FONT_SPACING_INDEX)))
- p += sprintf (p, ":spacing=%d", XINT (AREF (font, FONT_SPACING_INDEX)));
+ p += sprintf (p, ":spacing=%ld",
+ (long) XINT (AREF (font, FONT_SPACING_INDEX)));
if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX)))
{
if (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0)
p1 = index (p0, '-');
if (p1)
{
- if ((*p0 != '*' || p1 - p0 > 1)
+ if ((*p0 != '*' && p1 - p0 > 0)
&& NILP (AREF (font_spec, FONT_FOUNDRY_INDEX)))
Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0, 1));
p1++;
static unsigned font_score P_ ((Lisp_Object, Lisp_Object *));
static int font_compare P_ ((const void *, const void *));
-static Lisp_Object font_sort_entites P_ ((Lisp_Object, Lisp_Object,
+static Lisp_Object font_sort_entities P_ ((Lisp_Object, Lisp_Object,
Lisp_Object, int));
/* Return a rescaling ratio of FONT_ENTITY. */
if (! NILP (spec_prop[FONT_DPI_INDEX])
&& ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX)))
diff |= 1;
+ if (! NILP (spec_prop[FONT_AVGWIDTH_INDEX])
+ && ! EQ (spec_prop[FONT_AVGWIDTH_INDEX], AREF (entity, FONT_AVGWIDTH_INDEX)))
+ diff |= 1;
score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX];
}
}
-/* The comparison function for qsort. */
+/* Concatenate all elements of LIST into one vector. LIST is a list
+ of font-entity vectors. */
-static int
-font_compare (d1, d2)
- const void *d1, *d2;
+static Lisp_Object
+font_vconcat_entity_vectors (Lisp_Object list)
{
- return (*(unsigned *) d1 - *(unsigned *) d2);
+ int nargs = XINT (Flength (list));
+ Lisp_Object *args = alloca (sizeof (Lisp_Object) * nargs);
+ int i;
+
+ for (i = 0; i < nargs; i++, list = XCDR (list))
+ args[i] = XCAR (list);
+ return Fvconcat (nargs, args);
}
struct font_sort_data
{
unsigned score;
+ int font_driver_preference;
Lisp_Object entity;
};
-/* Sort font-entities in vector VEC by closeness to font-spec PREFER.
+/* The comparison function for qsort. */
+
+static int
+font_compare (d1, d2)
+ const void *d1, *d2;
+{
+ const struct font_sort_data *data1 = d1;
+ const struct font_sort_data *data2 = d2;
+
+ if (data1->score < data2->score)
+ return -1;
+ else if (data1->score > data2->score)
+ return 1;
+ return (data1->font_driver_preference - data2->font_driver_preference);
+}
+
+
+/* Sort each font-entity vector in LIST by closeness to font-spec PREFER.
If PREFER specifies a point-size, calculate the corresponding
pixel-size from QCdpi property of PREFER or from the Y-resolution
of FRAME before sorting.
- If BEST-ONLY is nonzero, return the best matching entity. Otherwise,
- return the sorted VEC. */
+ If BEST-ONLY is nonzero, return the best matching entity (that
+ supports the character BEST-ONLY if BEST-ONLY is positive, or any
+ if BEST-ONLY is negative). Otherwise, return the sorted result as
+ a single vector of font-entities.
+
+ This function does no optimization for the case that the total
+ number of elements is 1. The caller should avoid calling this in
+ such a case. */
static Lisp_Object
-font_sort_entites (vec, prefer, frame, best_only)
- Lisp_Object vec, prefer, frame;
+font_sort_entities (list, prefer, frame, best_only)
+ Lisp_Object list, prefer, frame;
int best_only;
{
Lisp_Object prefer_prop[FONT_SPEC_MAX];
- int len, i;
+ int len, maxlen, i;
struct font_sort_data *data;
unsigned best_score;
- Lisp_Object best_entity, driver_type;
- int driver_order;
+ Lisp_Object best_entity;
struct frame *f = XFRAME (frame);
- struct font_driver_list *list;
+ Lisp_Object tail, vec;
USE_SAFE_ALLOCA;
- len = ASIZE (vec);
- if (len <= 1)
- return best_only ? AREF (vec, 0) : vec;
-
- for (i = FONT_WEIGHT_INDEX; i <= FONT_DPI_INDEX; i++)
+ for (i = FONT_WEIGHT_INDEX; i <= FONT_AVGWIDTH_INDEX; i++)
prefer_prop[i] = AREF (prefer, i);
if (FLOATP (prefer_prop[FONT_SIZE_INDEX]))
prefer_prop[FONT_SIZE_INDEX]
= make_number (font_pixel_size (XFRAME (frame), prefer));
- /* Scoring and sorting. */
- SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * len);
- best_score = 0xFFFFFFFF;
- /* We are sure that the length of VEC > 1. */
- driver_type = AREF (AREF (vec, 0), FONT_TYPE_INDEX);
- for (driver_order = 0, list = f->font_driver_list; list;
- driver_order++, list = list->next)
- if (EQ (driver_type, list->driver->type))
- break;
- best_entity = data[0].entity = AREF (vec, 0);
- best_score = data[0].score
- = font_score (data[0].entity, prefer_prop) | driver_order;
- for (i = 0; i < len; i++)
+ if (NILP (XCDR (list)))
{
- if (!EQ (driver_type, AREF (AREF (vec, i), FONT_TYPE_INDEX)))
- for (driver_order = 0, list = f->font_driver_list; list;
- driver_order++, list = list->next)
- if (EQ (driver_type, list->driver->type))
- break;
- data[i].entity = AREF (vec, i);
- data[i].score = font_score (data[i].entity, prefer_prop) | driver_order;
- if (best_only && best_score > data[i].score)
- {
- best_score = data[i].score;
- best_entity = data[i].entity;
- if (best_score == 0)
- break;
- }
+ /* What we have to take care of is this single vector. */
+ vec = XCAR (list);
+ maxlen = ASIZE (vec);
}
- if (! best_only)
+ else if (best_only)
{
- qsort (data, len, sizeof *data, font_compare);
- for (i = 0; i < len; i++)
- ASET (vec, i, data[i].entity);
+ /* We don't have to perform sort, so there's no need of creating
+ a single vector. But, we must find the length of the longest
+ vector. */
+ maxlen = 0;
+ for (tail = list; CONSP (tail); tail = XCDR (tail))
+ if (maxlen < ASIZE (XCAR (tail)))
+ maxlen = ASIZE (XCAR (tail));
}
else
- vec = best_entity;
+ {
+ /* We have to create a single vector to sort it. */
+ vec = font_vconcat_entity_vectors (list);
+ maxlen = ASIZE (vec);
+ }
+
+ SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * maxlen);
+ best_score = 0xFFFFFFFF;
+ best_entity = Qnil;
+
+ for (tail = list; CONSP (tail); tail = XCDR (tail))
+ {
+ int font_driver_preference = 0;
+ Lisp_Object current_font_driver;
+
+ if (best_only)
+ vec = XCAR (tail);
+ len = ASIZE (vec);
+
+ /* We are sure that the length of VEC > 0. */
+ current_font_driver = AREF (AREF (vec, 0), FONT_TYPE_INDEX);
+ /* Score the elements. */
+ for (i = 0; i < len; i++)
+ {
+ data[i].entity = AREF (vec, i);
+ data[i].score
+ = ((best_only <= 0 || font_has_char (f, data[i].entity, best_only)
+ > 0)
+ ? font_score (data[i].entity, prefer_prop)
+ : 0xFFFFFFFF);
+ if (best_only && best_score > data[i].score)
+ {
+ best_score = data[i].score;
+ best_entity = data[i].entity;
+ if (best_score == 0)
+ break;
+ }
+ if (! EQ (current_font_driver, AREF (AREF (vec, i), FONT_TYPE_INDEX)))
+ {
+ current_font_driver = AREF (AREF (vec, i), FONT_TYPE_INDEX);
+ font_driver_preference++;
+ }
+ data[i].font_driver_preference = font_driver_preference;
+ }
+
+ /* Sort if necessary. */
+ if (! best_only)
+ {
+ qsort (data, len, sizeof *data, font_compare);
+ for (i = 0; i < len; i++)
+ ASET (vec, i, data[i].entity);
+ break;
+ }
+ else
+ vec = best_entity;
+ }
+
SAFE_FREE ();
- font_add_log ("sort-by", prefer, vec);
+ FONT_ADD_LOG ("sort-by", prefer, vec);
return vec;
}
for (negative = 0; CONSP (features); features = XCDR (features))
{
if (NILP (XCAR (features)))
- negative = 1;
+ {
+ negative = 1;
+ continue;
+ }
if (NILP (Fmemq (XCAR (features), table)) != negative)
return 0;
}
static Lisp_Object scratch_font_spec, scratch_font_prefer;
Lisp_Object
-font_delete_unmatched (list, spec, size)
- Lisp_Object list, spec;
+font_delete_unmatched (vec, spec, size)
+ Lisp_Object vec, spec;
int size;
{
Lisp_Object entity, val;
enum font_property_index prop;
+ int i;
- for (val = Qnil; CONSP (list); list = XCDR (list))
+ for (val = Qnil, i = ASIZE (vec) - 1; i >= 0; i--)
{
- entity = XCAR (list);
+ entity = AREF (vec, i);
for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++)
if (INTEGERP (AREF (spec, prop))
&& ((XINT (AREF (spec, prop)) >> 8)
if (prop < FONT_SPEC_MAX)
val = Fcons (entity, val);
}
- return val;
+ return (Fvconcat (1, &val));
}
-/* Return a vector of font-entities matching with SPEC on FRAME. */
+/* Return a list of vectors of font-entities matching with SPEC on
+ FRAME. Each elements in the list is a vector of entities from the
+ same font-driver. */
Lisp_Object
font_list_entities (frame, spec)
FRAME_PTR f = XFRAME (frame);
struct font_driver_list *driver_list = f->font_driver_list;
Lisp_Object ftype, val;
- Lisp_Object *vec;
+ Lisp_Object list = Qnil;
int size;
int need_filtering = 0;
int i;
ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX));
ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX));
- vec = alloca (sizeof (Lisp_Object) * num_font_drivers);
- if (! vec)
- return null_vector;
-
for (i = 0; driver_list; driver_list = driver_list->next)
if (driver_list->on
&& (NILP (ftype) || EQ (driver_list->driver->type, ftype)))
Lisp_Object copy;
val = driver_list->driver->list (frame, scratch_font_spec);
+ if (NILP (val))
+ val = null_vector;
+ else
+ val = Fvconcat (1, &val);
copy = Fcopy_font_spec (scratch_font_spec);
ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type);
XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache)));
}
- if (! NILP (val) && need_filtering)
+ if (ASIZE (val) > 0 && need_filtering)
val = font_delete_unmatched (val, spec, size);
- if (! NILP (val))
- vec[i++] = val;
+ if (ASIZE (val) > 0)
+ list = Fcons (val, list);
}
- val = (i > 0 ? Fvconcat (i, vec) : null_vector);
- font_add_log ("list", spec, val);
- return (val);
+ list = Fnreverse (list);
+ FONT_ADD_LOG ("list", spec, list);
+ return list;
}
if (! NILP (entity))
break;
}
- font_add_log ("match", work, entity);
+ FONT_ADD_LOG ("match", work, entity);
return entity;
}
else if (CONSP (Vface_font_rescale_alist))
scaled_pixel_size = pixel_size * font_rescale_ratio (entity);
- for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist);
- objlist = XCDR (objlist))
- if (! NILP (AREF (XCAR (objlist), FONT_TYPE_INDEX))
- && XFONT_OBJECT (XCAR (objlist))->pixel_size == pixel_size)
- return XCAR (objlist);
-
val = AREF (entity, FONT_TYPE_INDEX);
for (driver_list = f->font_driver_list;
driver_list && ! EQ (driver_list->driver->type, val);
if (! driver_list)
return Qnil;
+ for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist);
+ objlist = XCDR (objlist))
+ {
+ Lisp_Object fn = XCAR (objlist);
+ if (! NILP (AREF (fn, FONT_TYPE_INDEX))
+ && XFONT_OBJECT (fn)->pixel_size == pixel_size)
+ {
+ if (driver_list->driver->cached_font_ok == NULL
+ || driver_list->driver->cached_font_ok (f, fn, entity))
+ return fn;
+ }
+ }
+
font_object = driver_list->driver->open (f, entity, scaled_pixel_size);
- ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size));
- font_add_log ("open", entity, font_object);
+ if (!NILP (font_object))
+ ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size));
+ FONT_ADD_LOG ("open", entity, font_object);
if (NILP (font_object))
return Qnil;
ASET (entity, FONT_OBJLIST_INDEX,
if (NILP (AREF (font_object, FONT_TYPE_INDEX)))
/* Already closed. */
return;
- font_add_log ("close", font_object, Qnil);
+ FONT_ADD_LOG ("close", font_object, Qnil);
font->driver->close (f, font);
#ifdef HAVE_WINDOW_SYSTEM
font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts);
if (font_parse_name ((char *) SDATA (font_name), spec) == -1)
return Qnil;
font_put_extra (spec, QCname, font_name);
+ font_put_extra (spec, QCuser_spec, font_name);
return spec;
}
if (! FONTP (font))
return;
+
+ if (! NILP (Ffont_get (font, QCname)))
+ {
+ font = Fcopy_font_spec (font);
+ font_put_extra (font, QCname, Qnil);
+ }
+
if (NILP (AREF (font, prop))
&& prop != FONT_FAMILY_INDEX
&& prop != FONT_FOUNDRY_INDEX
&& prop != FONT_WIDTH_INDEX
&& prop != FONT_SIZE_INDEX)
return;
- font = Fcopy_font_spec (font);
+ if (EQ (font, attrs[LFACE_FONT_INDEX]))
+ font = Fcopy_font_spec (font);
ASET (font, prop, Qnil);
if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX)
{
if (! NILP (AREF (spec, FONT_WEIGHT_INDEX)))
attrs[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (spec);
if (! NILP (AREF (spec, FONT_SLANT_INDEX)))
- attrs[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (spec);;
+ attrs[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (spec);
if (! NILP (AREF (spec, FONT_WIDTH_INDEX)))
attrs[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (spec);
if (! NILP (AREF (spec, FONT_SIZE_INDEX)))
}
+/* Selecte a font from ENTITIES (list of font-entity vectors) that
+ supports C and matches best with ATTRS and PIXEL_SIZE. */
+
+static Lisp_Object
+font_select_entity (frame, entities, attrs, pixel_size, c)
+ Lisp_Object frame, entities, *attrs;
+ int pixel_size, c;
+{
+ Lisp_Object font_entity;
+ Lisp_Object prefer;
+ int result, i;
+ FRAME_PTR f = XFRAME (frame);
+
+ if (NILP (XCDR (entities))
+ && ASIZE (XCAR (entities)) == 1)
+ {
+ font_entity = AREF (XCAR (entities), 0);
+ if (c < 0
+ || (result = font_has_char (f, font_entity, c)) > 0)
+ return font_entity;
+ return Qnil;
+ }
+
+ /* Sort fonts by properties specified in ATTRS. */
+ prefer = scratch_font_prefer;
+
+ for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++)
+ ASET (prefer, i, Qnil);
+ if (FONTP (attrs[LFACE_FONT_INDEX]))
+ {
+ Lisp_Object face_font = attrs[LFACE_FONT_INDEX];
+
+ for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++)
+ ASET (prefer, i, AREF (face_font, i));
+ }
+ if (NILP (AREF (prefer, FONT_WEIGHT_INDEX)))
+ FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]);
+ if (NILP (AREF (prefer, FONT_SLANT_INDEX)))
+ FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]);
+ if (NILP (AREF (prefer, FONT_WIDTH_INDEX)))
+ FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]);
+ ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size));
+
+ return font_sort_entities (entities, prefer, frame, c);
+}
+
/* Return a font-entity satisfying SPEC and best matching with face's
font related attributes in ATTRS. C, if not negative, is a
character that the entity must support. */
int c;
{
Lisp_Object work;
- Lisp_Object frame, entities, val, props[FONT_REGISTRY_INDEX + 1] ;
+ Lisp_Object frame, entities, val;
Lisp_Object size, foundry[3], *family, registry[3], adstyle[3];
int pixel_size;
- int i, j, k, l, result;
+ int i, j, k, l;
registry[0] = AREF (spec, FONT_REGISTRY_INDEX);
if (NILP (registry[0]))
if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX),
&encoding, &repertory) < 0)
return Qnil;
- if (repertory)
- {
- if (ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory))
- return Qnil;
- /* Any font of this registry support C. So, let's
- suppress the further checking. */
- c = -1;
- }
+ if (repertory
+ && ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory))
+ return Qnil;
else if (c > encoding->max_char)
return Qnil;
}
work = Fcopy_font_spec (spec);
+ ASET (work, FONT_TYPE_INDEX, AREF (spec, FONT_TYPE_INDEX));
XSETFRAME (frame, f);
size = AREF (spec, FONT_SIZE_INDEX);
pixel_size = font_pixel_size (f, spec);
{
Lisp_Object alters
= Fassoc_string (val, Vface_alternative_font_family_alist,
+ /* Font family names are case-sensitive under NS. */
#ifndef HAVE_NS
Qt
#else
{
ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]);
entities = font_list_entities (frame, work);
- if (ASIZE (entities) > 0)
- goto found;
+ if (! NILP (entities))
+ {
+ val = font_select_entity (frame, entities,
+ attrs, pixel_size, c);
+ if (! NILP (val))
+ return val;
+ }
}
}
}
}
return Qnil;
- found:
- if (ASIZE (entities) == 1)
- {
- if (c < 0)
- return AREF (entities, 0);
- }
- else
- {
- /* Sort fonts by properties specified in LFACE. */
- Lisp_Object prefer = scratch_font_prefer;
-
- for (i = 0; i < FONT_EXTRA_INDEX; i++)
- ASET (prefer, i, AREF (work, i));
- if (FONTP (attrs[LFACE_FONT_INDEX]))
- {
- Lisp_Object face_font = attrs[LFACE_FONT_INDEX];
-
- for (i = 0; i < FONT_EXTRA_INDEX; i++)
- if (NILP (AREF (prefer, i)))
- ASET (prefer, i, AREF (face_font, i));
- }
- if (NILP (AREF (prefer, FONT_WEIGHT_INDEX)))
- FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]);
- if (NILP (AREF (prefer, FONT_SLANT_INDEX)))
- FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]);
- if (NILP (AREF (prefer, FONT_WIDTH_INDEX)))
- FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]);
- ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size));
- entities = font_sort_entites (entities, prefer, frame, c < 0);
- }
- if (c < 0)
- return entities;
-
- for (i = 0; i < ASIZE (entities); i++)
- {
- int j;
-
- val = AREF (entities, i);
- if (i > 0)
- {
- for (j = FONT_FOUNDRY_INDEX; j <= FONT_REGISTRY_INDEX; j++)
- if (! EQ (AREF (val, j), props[j]))
- break;
- if (j > FONT_REGISTRY_INDEX)
- continue;
- }
- for (j = FONT_FOUNDRY_INDEX; j <= FONT_REGISTRY_INDEX; j++)
- props[j] = AREF (val, j);
- result = font_has_char (f, val, c);
- if (result > 0)
- return val;
- if (result == 0)
- return Qnil;
- val = font_open_for_lface (f, val, attrs, spec);
- if (NILP (val))
- continue;
- result = font_has_char (f, val, c);
- font_close_object (f, val);
- if (result > 0)
- return AREF (entities, i);
- }
- return Qnil;
}
FRAME_PTR f;
Lisp_Object *attrs, spec;
{
- Lisp_Object entity;
+ Lisp_Object entity, name;
entity = font_find_for_lface (f, attrs, spec, -1);
if (NILP (entity))
if (NILP (entity))
return Qnil;
}
- return font_open_for_lface (f, entity, attrs, spec);
+ /* Don't loose the original name that was put in initially. We need
+ it to re-apply the font when font parameters (like hinting or dpi) have
+ changed. */
+ entity = font_open_for_lface (f, entity, attrs, spec);
+ if (!NILP (entity))
+ {
+ name = Ffont_get (spec, QCuser_spec);
+ if (STRINGP (name)) font_put_extra (entity, QCuser_spec, name);
+ }
+ return entity;
}
}
-/* Open a font best matching with NAME on frame F. If no proper font
- is found, return Qnil. */
+/* Open a font matching with font-spec SPEC on frame F. If no proper
+ font is found, return Qnil. */
Lisp_Object
-font_open_by_name (f, name)
+font_open_by_spec (f, spec)
FRAME_PTR f;
- char *name;
+ Lisp_Object spec;
{
- Lisp_Object args[2];
- Lisp_Object spec, attrs[LFACE_VECTOR_SIZE];
+ Lisp_Object attrs[LFACE_VECTOR_SIZE];
- args[0] = QCname;
- args[1] = make_unibyte_string (name, strlen (name));
- spec = Ffont_spec (2, args);
/* We set up the default font-related attributes of a face to prefer
a moderate font. */
attrs[LFACE_FAMILY_INDEX] = attrs[LFACE_FOUNDRY_INDEX] = Qnil;
}
+/* Open a font matching with NAME on frame F. If no proper font is
+ found, return Qnil. */
+
+Lisp_Object
+font_open_by_name (f, name)
+ FRAME_PTR f;
+ char *name;
+{
+ Lisp_Object args[2];
+ Lisp_Object spec, ret;
+
+ args[0] = QCname;
+ args[1] = make_unibyte_string (name, strlen (name));
+ spec = Ffont_spec (2, args);
+ ret = font_open_by_spec (f, spec);
+ /* Do not loose name originally put in. */
+ if (!NILP (ret))
+ font_put_extra (ret, QCuser_spec, args[1]);
+
+ return ret;
+}
+
+
/* Register font-driver DRIVER. This function is used in two ways.
The first is with frame F non-NULL. In this case, make DRIVER
next = &(*next)->next;
}
*next = NULL;
+
+ if (! f->font_driver_list->on)
+ { /* None of the drivers is enabled: enable them all.
+ Happens if you set the list of drivers to (xft x) in your .emacs
+ and then use it under w32 or ns. */
+ for (list = f->font_driver_list; list; list = list->next)
+ {
+ struct font_driver *driver = list->driver;
+ eassert (! list->on);
+ if (! driver->start_for_frame
+ || driver->start_for_frame (f) == 0)
+ {
+ font_prepare_cache (f, driver);
+ list->on = 1;
+ }
+ }
+ }
}
for (list = f->font_driver_list; list; list = list->next)
prev->next = list->next;
else
f->font_data_list = list->next;
- free (list);
+ xfree (list);
}
return 0;
}
EMACS_INT pos_byte = string_char_to_byte (string, pos);
str = SDATA (string) + pos_byte;
- c = STRING_CHAR (str, 0);
+ c = STRING_CHAR (str);
}
else
c = SDATA (string)[pos];
DEFAULT_FACE_ID, 0);
else
face_id = face_at_buffer_position (w, pos, -1, -1, &endptr,
- pos + 100, 0);
+ pos + 100, 0, -1);
face = FACE_FROM_ID (f, face_id);
}
if (multibyte)
{
int face_id;
- face_id = face_at_buffer_position (w, pos, 0, 0, &ignore, *limit, 0);
+ face_id = face_at_buffer_position (w, pos, 0, 0, &ignore,
+ *limit, 0, -1);
face = FACE_FROM_ID (XFRAME (w->frame), face_id);
}
}
`:size'
VALUE must be a non-negative integer or a floating point number
-specifying the font size. It specifies the font size in pixels
-(if VALUE is an integer), or in points (if VALUE is a float).
+specifying the font size. It specifies the font size in pixels (if
+VALUE is an integer), or in points (if VALUE is a float).
`:name'
VALUE must be a symbol representing a script that the font must
support. It may be a symbol representing a subgroup of a script
listed in the variable `script-representative-chars'.
+
+`:lang'
+
+VALUE must be a symbol of two-letter ISO-639 language names,
+e.g. `ja'.
+
+`:otf'
+
+VALUE must be a list (SCRIPT-TAG LANGSYS-TAG GSUB [ GPOS ]) to specify
+required OpenType features.
+
+ SCRIPT-TAG: OpenType script tag symbol (e.g. `deva').
+ LANGSYS-TAG: OpenType language system tag symbol,
+ or nil for the default language system.
+ GSUB: List of OpenType GSUB feature tag symbols, or nil if none required.
+ GPOS: List of OpenType GPOS feature tag symbols, or nil if none required.
+
+GSUB and GPOS may contain `nil' element. In such a case, the font
+must not have any of the remaining elements.
+
+For instance, if the VALUE is `(thai nil nil (mark))', the font must
+be an OpenType font, and whose GPOS table of `thai' script's default
+language system must contain `mark' feature.
+
usage: (font-spec ARGS...) */)
(nargs, args)
int nargs;
for (i = 0; i < nargs; i += 2)
{
- Lisp_Object key = args[i], val = args[i + 1];
+ Lisp_Object key = args[i], val;
+
+ CHECK_SYMBOL (key);
+ if (i + 1 >= nargs)
+ error ("No value for key `%s'", SDATA (SYMBOL_NAME (key)));
+ val = args[i + 1];
if (EQ (key, QCname))
{
new_spec = font_make_spec ();
for (i = 1; i < FONT_EXTRA_INDEX; i++)
ASET (new_spec, i, AREF (font, i));
- extra = Fcopy_sequence (AREF (font, FONT_EXTRA_INDEX));
+ extra = Fcopy_alist (AREF (font, FONT_EXTRA_INDEX));
/* We must remove :font-entity property. */
for (prev = Qnil, tail = extra; CONSP (tail); prev = tail, tail = XCDR (tail))
if (EQ (XCAR (XCAR (tail)), QCfont_entity))
(font_spec, frame, num, prefer)
Lisp_Object font_spec, frame, num, prefer;
{
- Lisp_Object vec, list, tail;
- int n = 0, i, len;
+ Lisp_Object vec, list;
+ int n = 0;
if (NILP (frame))
frame = selected_frame;
if (! NILP (prefer))
CHECK_FONT_SPEC (prefer);
- vec = font_list_entities (frame, font_spec);
- len = ASIZE (vec);
- if (len == 0)
+ list = font_list_entities (frame, font_spec);
+ if (NILP (list))
return Qnil;
- if (len == 1)
- return Fcons (AREF (vec, 0), Qnil);
+ if (NILP (XCDR (list))
+ && ASIZE (XCAR (list)) == 1)
+ return Fcons (AREF (XCAR (list), 0), Qnil);
if (! NILP (prefer))
- vec = font_sort_entites (vec, prefer, frame, 0);
-
- list = tail = Fcons (AREF (vec, 0), Qnil);
- if (n == 0 || n > len)
- n = len;
- for (i = 1; i < n; i++)
+ vec = font_sort_entities (list, prefer, frame, 0);
+ else
+ vec = font_vconcat_entity_vectors (list);
+ if (n == 0 || n >= ASIZE (vec))
{
- Lisp_Object val = Fcons (AREF (vec, i), Qnil);
+ Lisp_Object args[2];
- XSETCDR (tail, val);
- tail = val;
+ args[0] = vec;
+ args[1] = Qnil;
+ list = Fappend (2, args);
+ }
+ else
+ {
+ for (list = Qnil, n--; n >= 0; n--)
+ list = Fcons (AREF (vec, n), list);
}
return list;
}
if (driver_list->on)
{
Lisp_Object cache = driver_list->driver->get_cache (f);
- Lisp_Object val;
+ Lisp_Object val, tmp;
val = XCDR (cache);
while (! NILP (val)
&& ! EQ (XCAR (XCAR (val)), driver_list->driver->type))
val = XCDR (val);
font_assert (! NILP (val));
- val = XCDR (XCAR (val));
- if (XINT (XCAR (val)) == 0)
+ tmp = XCDR (XCAR (val));
+ if (XINT (XCAR (tmp)) == 0)
{
font_clear_cache (f, XCAR (val), driver_list->driver);
XSETCDR (cache, XCDR (val));
DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0,
doc: /* Return information about a font named NAME on frame FRAME.
If FRAME is omitted or nil, use the selected frame.
-The returned value is a vector of OPENED-NAME, FULL-NAME, CHARSET, SIZE,
+The returned value is a vector of OPENED-NAME, FULL-NAME, SIZE,
HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT,
where
OPENED-NAME is the name used for opening the font,
FULL-NAME is the full name of the font,
- SIZE is the maximum bound width of the font,
- HEIGHT is the height of the font,
+ SIZE is the pixelsize of the font,
+ HEIGHT is the pixel-height of the font (i.e ascent + descent),
BASELINE-OFFSET is the upward offset pixels from ASCII baseline,
RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling
how to compose characters.
info = Fmake_vector (make_number (7), Qnil);
XVECTOR (info)->contents[0] = AREF (font_object, FONT_NAME_INDEX);
- XVECTOR (info)->contents[1] = AREF (font_object, FONT_NAME_INDEX);
+ XVECTOR (info)->contents[1] = AREF (font_object, FONT_FULLNAME_INDEX);
XVECTOR (info)->contents[2] = make_number (font->pixel_size);
XVECTOR (info)->contents[3] = make_number (font->height);
XVECTOR (info)->contents[4] = make_number (font->baseline_offset);
elt = Fmake_vector (make_number (j + 1), Qnil);
ASET (elt, 0, make_number (entry[i].numeric));
for (j = 0; entry[i].names[j]; j++)
- ASET (elt, j + 1, intern (entry[i].names[j]));
+ ASET (elt, j + 1, intern_c_string (entry[i].names[j]));
ASET (table, i, elt);
}
return table;
}
-static Lisp_Object Vfont_log;
-static int font_log_env_checked;
+Lisp_Object Vfont_log;
/* The deferred font-log data of the form [ACTION ARG RESULT].
If ACTION is not nil, that is added to the log when font_add_log is
Lisp_Object tail, val;
int i;
- if (! font_log_env_checked)
- {
- Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt;
- font_log_env_checked = 1;
- }
if (EQ (Vfont_log, Qt))
return;
if (STRINGP (AREF (Vfont_log_deferred, 0)))
}
arg = val;
}
+
+ if (CONSP (result)
+ && VECTORP (XCAR (result))
+ && ASIZE (XCAR (result)) > 0
+ && FONTP (AREF (XCAR (result), 0)))
+ result = font_vconcat_entity_vectors (result);
if (FONTP (result))
{
val = Ffont_xlfd_name (result, Qt);
char *action;
Lisp_Object arg, result;
{
+ if (EQ (Vfont_log, Qt))
+ return;
ASET (Vfont_log_deferred, 0, build_string (action));
ASET (Vfont_log_deferred, 1, arg);
ASET (Vfont_log_deferred, 2, result);
staticpro (&font_charset_alist);
font_charset_alist = Qnil;
- DEFSYM (Qfont_spec, "font-spec");
- DEFSYM (Qfont_entity, "font-entity");
- DEFSYM (Qfont_object, "font-object");
-
DEFSYM (Qopentype, "opentype");
DEFSYM (Qascii_0, "ascii-0");
DEFSYM (Qp, "p");
DEFSYM (Qd, "d");
+ DEFSYM (Qja, "ja");
+ DEFSYM (Qko, "ko");
+
+ DEFSYM (QCuser_spec, "user-spec");
+
staticpro (&null_vector);
null_vector = Fmake_vector (make_number (0), Qnil);
#endif /* HAVE_WINDOW_SYSTEM */
}
+void
+init_font ()
+{
+ Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt;
+}
+
/* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846
(do not change this comment) */
HCoop / bpt / emacs.git / blobdiff