/* font.c -- "Font" primitives.
- Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
- Copyright (C) 2006, 2007, 2008
+ Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2009
National Institute of Advanced Industrial Science and Technology (AIST)
Registration Number H13PRO009
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
-#ifdef HAVE_M17N_FLT
-#include <m17n-flt.h>
-#endif
#include "lisp.h"
#include "buffer.h"
#include "w32term.h"
#endif /* HAVE_NTGUI */
-#ifdef MAC_OS
-#include "macterm.h"
-#endif /* MAC_OS */
+#ifdef HAVE_NS
+#include "nsterm.h"
+#endif /* HAVE_NS */
-Lisp_Object Qfont_spec, Qfont_entity, Qfont_object;
+#ifdef HAVE_NS
+extern Lisp_Object Qfontsize;
+#endif
Lisp_Object Qopentype;
/* 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;
+
/* Special vector of zero length. This is repeatedly used by (struct
font_driver *)->list when a specified font is not found. */
static Lisp_Object null_vector;
{ 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" }},
{
{ 0, { "reverse-oblique", "ro" }},
{ 10, { "reverse-italic", "ri" }},
- { 100, { "normal", "r" }},
+ { 100, { "normal", "r", "unspecified" }},
{ 200, { "italic" ,"i", "ot" }},
{ 210, { "oblique", "o" }}
};
{ 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" }},
extern Lisp_Object Qnormal;
/* Symbols representing keys of normal font properties. */
-extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth, QCsize, QCname;
+extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth;
+extern Lisp_Object QCheight, QCsize, QCname;
+
Lisp_Object QCfoundry, QCadstyle, QCregistry;
/* Symbols representing keys of font extra info. */
Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth;
return font_entity;
}
+/* Create a font-object whose structure size is SIZE. If ENTITY is
+ not nil, copy properties from ENTITY to the font-object. If
+ PIXELSIZE is positive, set the `size' property to PIXELSIZE. */
Lisp_Object
-font_make_object (size)
+font_make_object (size, entity, pixelsize)
int size;
+ Lisp_Object entity;
+ int pixelsize;
{
Lisp_Object font_object;
struct font *font
= (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT);
+ int i;
+
XSETFONT (font_object, font);
+ if (! NILP (entity))
+ {
+ for (i = 1; i < FONT_SPEC_MAX; i++)
+ 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));
+ }
+ if (size > 0)
+ font->props[FONT_SIZE_INDEX] = make_number (pixelsize);
return font_object;
}
int i;
Lisp_Object tem;
Lisp_Object obarray;
+ int nbytes, nchars;
if (len == 1 && *str == '*')
return Qnil;
return make_number (atoi (str));
}
- /* The following code is copied from the function intern (in lread.c). */
+ /* The following code is copied from the function intern (in
+ lread.c), and modified to suite our purpose. */
obarray = Vobarray;
if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0)
obarray = check_obarray (obarray);
- tem = oblookup (obarray, str, len, len);
+ parse_str_as_multibyte (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. */
+ tem = oblookup (obarray, str, len, len);
+ else
+ tem = oblookup (obarray, str, nchars, len);
if (SYMBOLP (tem))
return tem;
- return Fintern (make_unibyte_string (str, len), obarray);
+ if (len == nchars || len != nbytes)
+ tem = make_unibyte_string (str, len);
+ else
+ tem = make_multibyte_string (str, nchars, len);
+ return Fintern (tem, obarray);
}
/* Return a pixel size of font-spec SPEC on frame F. */
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
{
Lisp_Object val;
char *p;
- if (len > 255)
+ if (len > 255 || !len)
/* Maximum XLFD name length is 255. */
return -1;
/* Accept "*-.." as a fully specified XLFD. */
- if (name[0] == '*' && name[1] == '-')
+ if (name[0] == '*' && (len == 1 || name[1] == '-'))
i = 1, f[XLFD_FOUNDRY_INDEX] = name;
else
i = 0;
if (*p == '~')
p++;
ASET (font, FONT_AVGWIDTH_INDEX,
- font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 1));
+ font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0));
}
else
{
f[XLFD_REGISTRY_INDEX]);
}
-/* Parse NAME (null terminated) as Fonconfig's name format and store
- information in FONT (font-spec or font-entity). If NAME is
- successfully parsed, return 0. Otherwise return -1. */
+/* Parse NAME (null terminated) and store information in FONT
+ (font-spec or font-entity). NAME is supplied in either the
+ Fontconfig or GTK font name format. If NAME is successfully
+ parsed, return 0. Otherwise return -1.
+
+ The fontconfig format is
+
+ FAMILY[-SIZE][:PROP1[=VAL1][:PROP2[=VAL2]...]]
+
+ The GTK format is
+
+ FAMILY [PROPS...] [SIZE]
+
+ This function tries to guess which format it is. */
int
font_parse_fcname (name, font)
char *name;
Lisp_Object font;
{
- char *p0, *p1;
+ char *p, *q;
+ char *size_beg = NULL, *size_end = NULL;
+ char *props_beg = NULL, *family_end = NULL;
int len = strlen (name);
- char *copy;
if (len == 0)
return -1;
- /* It is assured that (name[0] && name[0] != '-'). */
- if (name[0] == ':')
- p0 = name;
- else
+
+ for (p = name; *p; p++)
{
- Lisp_Object family;
- double point_size;
+ if (*p == '\\' && p[1])
+ p++;
+ else if (*p == ':')
+ {
+ props_beg = family_end = p;
+ break;
+ }
+ else if (*p == '-')
+ {
+ int decimal = 0, size_found = 1;
+ for (q = p + 1; *q && *q != ':'; q++)
+ if (! isdigit(*q))
+ {
+ if (*q != '.' || decimal)
+ {
+ size_found = 0;
+ break;
+ }
+ decimal = 1;
+ }
+ if (size_found)
+ {
+ family_end = p;
+ size_beg = p + 1;
+ size_end = q;
+ break;
+ }
+ }
+ }
- for (p0 = name + 1; *p0 && (*p0 != '-' && *p0 != ':'); p0++)
- if (*p0 == '\\' && p0[1])
- p0++;
- family = font_intern_prop (name, p0 - name, 1);
- if (*p0 == '-')
+ if (family_end)
+ {
+ /* A fontconfig name with size and/or property data. */
+ if (family_end > name)
{
- if (! isdigit (p0[1]))
- return -1;
- point_size = strtod (p0 + 1, &p1);
- if (*p1 && *p1 != ':')
- return -1;
+ Lisp_Object family;
+ family = font_intern_prop (name, family_end - name, 1);
+ ASET (font, FONT_FAMILY_INDEX, family);
+ }
+ if (size_beg)
+ {
+ double point_size = strtod (size_beg, &size_end);
ASET (font, FONT_SIZE_INDEX, make_float (point_size));
- p0 = p1;
+ if (*size_end == ':' && size_end[1])
+ props_beg = size_end;
}
- ASET (font, FONT_FAMILY_INDEX, family);
- }
+ if (props_beg)
+ {
+ /* Now parse ":KEY=VAL" patterns. */
+ Lisp_Object val;
- len -= p0 - name;
- copy = alloca (len + 1);
- if (! copy)
- return -1;
- name = copy;
+ for (p = props_beg; *p; p = q)
+ {
+ for (q = p + 1; *q && *q != '=' && *q != ':'; q++);
+ if (*q != '=')
+ {
+ /* Must be an enumerated value. */
+ int word_len;
+ p = p + 1;
+ word_len = q - p;
+ val = font_intern_prop (p, q - p, 1);
+
+#define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0)
+
+ if (PROP_MATCH ("light", 5)
+ || PROP_MATCH ("medium", 6)
+ || PROP_MATCH ("demibold", 8)
+ || PROP_MATCH ("bold", 4)
+ || PROP_MATCH ("black", 5))
+ FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val);
+ else if (PROP_MATCH ("roman", 5)
+ || PROP_MATCH ("italic", 6)
+ || PROP_MATCH ("oblique", 7))
+ FONT_SET_STYLE (font, FONT_SLANT_INDEX, val);
+ else if (PROP_MATCH ("charcell", 8))
+ ASET (font, FONT_SPACING_INDEX,
+ make_number (FONT_SPACING_CHARCELL));
+ else if (PROP_MATCH ("mono", 4))
+ ASET (font, FONT_SPACING_INDEX,
+ make_number (FONT_SPACING_MONO));
+ else if (PROP_MATCH ("proportional", 12))
+ ASET (font, FONT_SPACING_INDEX,
+ make_number (FONT_SPACING_PROPORTIONAL));
+#undef PROP_MATCH
+ }
+ else
+ {
+ /* KEY=VAL pairs */
+ Lisp_Object key;
+ int prop;
+
+ if (q - p == 10 && memcmp (p + 1, "pixelsize", 9) == 0)
+ prop = FONT_SIZE_INDEX;
+ else
+ {
+ key = font_intern_prop (p, q - p, 1);
+ prop = get_font_prop_index (key);
+ }
- /* Now parse ":KEY=VAL" patterns. Store known keys and values in
- extra, copy unknown ones to COPY. It is stored in extra slot by
- the key QCfc_unknown_spec. */
- while (*p0)
+ p = q + 1;
+ for (q = p; *q && *q != ':'; q++);
+ val = font_intern_prop (p, q - p, 0);
+
+ if (prop >= FONT_FOUNDRY_INDEX
+ && prop < FONT_EXTRA_INDEX)
+ ASET (font, prop, font_prop_validate (prop, Qnil, val));
+ else
+ Ffont_put (font, key, val);
+ }
+ p = q;
+ }
+ }
+ }
+ else
{
- Lisp_Object key, val;
- int prop;
+ /* Either a fontconfig-style name with no size and property
+ data, or a GTK-style name. */
+ Lisp_Object prop;
+ int word_len, prop_found = 0;
- for (p1 = p0 + 1; *p1 && *p1 != '=' && *p1 != ':'; p1++);
- if (*p1 != '=')
+ for (p = name; *p; p = *q ? q + 1 : q)
{
- /* Must be an enumerated value. */
- val = font_intern_prop (p0 + 1, p1 - p0 - 1, 1);
- if (memcmp (p0 + 1, "light", 5) == 0
- || memcmp (p0 + 1, "medium", 6) == 0
- || memcmp (p0 + 1, "demibold", 8) == 0
- || memcmp (p0 + 1, "bold", 4) == 0
- || memcmp (p0 + 1, "black", 5) == 0)
- FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val);
- else if (memcmp (p0 + 1, "roman", 5) == 0
- || memcmp (p0 + 1, "italic", 6) == 0
- || memcmp (p0 + 1, "oblique", 7) == 0)
- FONT_SET_STYLE (font, FONT_SLANT_INDEX, val);
- else if (memcmp (p0 + 1, "charcell", 8) == 0
- || memcmp (p0 + 1, "mono", 4) == 0
- || memcmp (p0 + 1, "proportional", 12) == 0)
+ if (isdigit (*p))
+ {
+ int size_found = 1;
+
+ for (q = p + 1; *q && *q != ' '; q++)
+ if (! isdigit (*q))
+ {
+ size_found = 0;
+ break;
+ }
+ if (size_found)
+ {
+ double point_size = strtod (p, &q);
+ ASET (font, FONT_SIZE_INDEX, make_float (point_size));
+ continue;
+ }
+ }
+
+ for (q = p + 1; *q && *q != ' '; q++)
+ if (*q == '\\' && q[1])
+ q++;
+ word_len = q - p;
+
+#define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0)
+
+ if (PROP_MATCH ("Ultra-Light", 11))
{
- int spacing = (p0[1] == 'c' ? FONT_SPACING_CHARCELL
- : p0[1] == 'm' ? FONT_SPACING_MONO
- : FONT_SPACING_PROPORTIONAL);
- ASET (font, FONT_SPACING_INDEX, make_number (spacing));
+ prop_found = 1;
+ prop = font_intern_prop ("ultra-light", 11, 1);
+ FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop);
}
- else
+ else if (PROP_MATCH ("Light", 5))
{
- /* unknown key */
- bcopy (p0, copy, p1 - p0);
- copy += p1 - p0;
+ prop_found = 1;
+ prop = font_intern_prop ("light", 5, 1);
+ FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop);
}
- }
- else
- {
- char *keyhead = p0;
-
- if (memcmp (p0 + 1, "pixelsize=", 10) == 0)
- prop = FONT_SIZE_INDEX;
- else
+ else if (PROP_MATCH ("Semi-Bold", 9))
{
- key = font_intern_prop (p0, p1 - p0, 1);
- prop = get_font_prop_index (key);
+ prop_found = 1;
+ prop = font_intern_prop ("semi-bold", 9, 1);
+ FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop);
}
- p0 = p1 + 1;
- for (p1 = p0; *p1 && *p1 != ':'; p1++);
- val = font_intern_prop (p0, p1 - p0, 0);
- if (! NILP (val))
+ else if (PROP_MATCH ("Bold", 4))
{
- if (prop >= FONT_FOUNDRY_INDEX && prop < FONT_EXTRA_INDEX)
- ASET (font, prop, font_prop_validate (prop, Qnil, val));
- else if (prop >= 0)
- Ffont_put (font, key, val);
- else
- bcopy (keyhead, copy, p1 - keyhead);
- copy += p1 - keyhead;
+ prop_found = 1;
+ prop = font_intern_prop ("bold", 4, 1);
+ FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop);
+ }
+ else if (PROP_MATCH ("Italic", 6))
+ {
+ prop_found = 1;
+ prop = font_intern_prop ("italic", 4, 1);
+ FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop);
+ }
+ else if (PROP_MATCH ("Oblique", 7))
+ {
+ prop_found = 1;
+ prop = font_intern_prop ("oblique", 7, 1);
+ FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop);
}
+ else {
+ if (prop_found)
+ return -1; /* Unknown property in GTK-style font name. */
+ family_end = q;
+ }
+ }
+#undef PROP_MATCH
+
+ if (family_end)
+ {
+ Lisp_Object family;
+ family = font_intern_prop (name, family_end - name, 1);
+ ASET (font, FONT_FAMILY_INDEX, family);
}
- p0 = p1;
}
- if (name != copy)
- font_put_extra (font, QCfc_unknown_spec,
- make_unibyte_string (name, copy - name));
return 0;
}
char *name;
int nbytes;
{
+ Lisp_Object family, foundry;
Lisp_Object tail, val;
int point_size;
- int dpi;
int i, len = 1;
char *p;
Lisp_Object styles[3];
char *style_names[3] = { "weight", "slant", "width" };
char work[256];
- val = AREF (font, FONT_FAMILY_INDEX);
- if (STRINGP (val))
- len += SBYTES (val);
+ family = AREF (font, FONT_FAMILY_INDEX);
+ if (! NILP (family))
+ {
+ if (SYMBOLP (family))
+ {
+ family = SYMBOL_NAME (family);
+ len += SBYTES (family);
+ }
+ else
+ family = Qnil;
+ }
val = AREF (font, FONT_SIZE_INDEX);
if (INTEGERP (val))
len += 11; /* for "-NUM" */
}
- val = AREF (font, FONT_FOUNDRY_INDEX);
- if (STRINGP (val))
- /* ":foundry=NAME" */
- len += 9 + SBYTES (val);
+ foundry = AREF (font, FONT_FOUNDRY_INDEX);
+ if (! NILP (foundry))
+ {
+ if (SYMBOLP (foundry))
+ {
+ foundry = SYMBOL_NAME (foundry);
+ len += 9 + SBYTES (foundry); /* ":foundry=NAME" */
+ }
+ else
+ foundry = Qnil;
+ }
for (i = 0; i < 3; i++)
{
}
if (INTEGERP (AREF (font, FONT_DPI_INDEX)))
- len += sprintf (work, ":dpi=%d", dpi);
+ len += sprintf (work, ":dpi=%d", 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 (len > nbytes)
return -1;
p = name;
- if (! NILP (AREF (font, FONT_FAMILY_INDEX)))
- p += sprintf(p, "%s", SDATA (SYMBOL_NAME (AREF (font, FONT_FAMILY_INDEX))));
+ if (! NILP (family))
+ p += sprintf (p, "%s", SDATA (family));
if (point_size > 0)
{
if (p == name)
return (p - name);
}
+/* Store GTK-style font name of FONT (font-spec or font-entity) in
+ NAME (NBYTES length), and return the name length. F is the frame
+ on which the font is displayed; it is used to calculate the point
+ size. */
+
+int
+font_unparse_gtkname (font, f, name, nbytes)
+ Lisp_Object font;
+ struct frame *f;
+ char *name;
+ int nbytes;
+{
+ char *p;
+ int len = 1;
+ Lisp_Object family, weight, slant, size;
+ int point_size = -1;
+
+ family = AREF (font, FONT_FAMILY_INDEX);
+ if (! NILP (family))
+ {
+ if (! SYMBOLP (family))
+ return -1;
+ family = SYMBOL_NAME (family);
+ len += SBYTES (family);
+ }
+
+ weight = font_style_symbolic (font, FONT_WEIGHT_INDEX, 0);
+ if (EQ (weight, Qnormal))
+ weight = Qnil;
+ else if (! NILP (weight))
+ {
+ weight = SYMBOL_NAME (weight);
+ len += SBYTES (weight);
+ }
+
+ slant = font_style_symbolic (font, FONT_SLANT_INDEX, 0);
+ if (EQ (slant, Qnormal))
+ slant = Qnil;
+ else if (! NILP (slant))
+ {
+ slant = SYMBOL_NAME (slant);
+ len += SBYTES (slant);
+ }
+
+ size = AREF (font, FONT_SIZE_INDEX);
+ /* Convert pixel size to point size. */
+ if (INTEGERP (size))
+ {
+ Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX);
+ int dpi = 75;
+ if (INTEGERP (font_dpi))
+ dpi = XINT (font_dpi);
+ else if (f)
+ dpi = f->resy;
+ point_size = PIXEL_TO_POINT (XINT (size), dpi);
+ len += 11;
+ }
+ else if (FLOATP (size))
+ {
+ point_size = (int) XFLOAT_DATA (size);
+ len += 11;
+ }
+
+ if (len > nbytes)
+ return -1;
+
+ p = name + sprintf (name, "%s", SDATA (family));
+
+ if (! NILP (weight))
+ {
+ char *q = p;
+ p += sprintf (p, " %s", SDATA (weight));
+ q[1] = toupper (q[1]);
+ }
+
+ if (! NILP (slant))
+ {
+ char *q = p;
+ p += sprintf (p, " %s", SDATA (slant));
+ q[1] = toupper (q[1]);
+ }
+
+ if (point_size > 0)
+ p += sprintf (p, " %d", point_size);
+
+ return (p - name);
+}
+
/* Parse NAME (null terminated) and store information in FONT
(font-spec or font-entity). If NAME is successfully parsed, return
0. Otherwise return -1. */
char *name;
Lisp_Object font;
{
- if (name[0] == '-' || index (name, '*'))
+ if (name[0] == '-' || index (name, '*') || index (name, '?'))
return font_parse_xlfd (name, font);
return font_parse_fcname (name, font);
}
if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)))
CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT));
- for (i = 0; i < LGSTRING_LENGTH (gstring); i++)
+ for (i = 0; i < LGSTRING_GLYPH_LEN (gstring); i++)
{
val = LGSTRING_GLYPH (gstring, i);
CHECK_VECTOR (val);
#endif /* HAVE_LIBOTF */
#endif /* 0 */
-/* G-string (glyph string) handler */
-
-/* G-string is a vector of the form [HEADER GLYPH ...].
- See the docstring of `font-make-gstring' for more detail. */
-
-struct font *
-font_prepare_composition (cmp, f)
- struct composition *cmp;
- FRAME_PTR f;
-{
- Lisp_Object gstring
- = AREF (XHASH_TABLE (composition_hash_table)->key_and_value,
- cmp->hash_index * 2);
-
- cmp->font = XFONT_OBJECT (LGSTRING_FONT (gstring));
- cmp->glyph_len = LGSTRING_LENGTH (gstring);
- cmp->pixel_width = LGSTRING_WIDTH (gstring);
- cmp->lbearing = LGSTRING_LBEARING (gstring);
- cmp->rbearing = LGSTRING_RBEARING (gstring);
- cmp->ascent = LGSTRING_ASCENT (gstring);
- cmp->descent = LGSTRING_DESCENT (gstring);
- cmp->width = cmp->pixel_width / FRAME_COLUMN_WIDTH (f);
- if (cmp->width == 0)
- cmp->width = 1;
-
- return cmp->font;
-}
-
\f
/* Font sorting */
-static unsigned font_score P_ ((Lisp_Object, Lisp_Object *, Lisp_Object));
+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,
- Lisp_Object, Lisp_Object,
- int));
+ Lisp_Object, int));
+
+/* Return a rescaling ratio of FONT_ENTITY. */
+extern Lisp_Object Vface_font_rescale_alist;
+
+static double
+font_rescale_ratio (font_entity)
+ Lisp_Object font_entity;
+{
+ Lisp_Object tail, elt;
+ Lisp_Object name = Qnil;
+
+ for (tail = Vface_font_rescale_alist; CONSP (tail); tail = XCDR (tail))
+ {
+ elt = XCAR (tail);
+ if (FLOATP (XCDR (elt)))
+ {
+ if (STRINGP (XCAR (elt)))
+ {
+ if (NILP (name))
+ name = Ffont_xlfd_name (font_entity, Qnil);
+ if (fast_string_match_ignore_case (XCAR (elt), name) >= 0)
+ return XFLOAT_DATA (XCDR (elt));
+ }
+ else if (FONT_SPEC_P (XCAR (elt)))
+ {
+ if (font_match_p (XCAR (elt), font_entity))
+ return XFLOAT_DATA (XCDR (elt));
+ }
+ }
+ }
+ return 1.0;
+}
/* We sort fonts by scoring each of them against a specified
font-spec. The score value is 32 bit (`unsigned'), and the smaller
the value is, the closer the font is to the font-spec.
- The highest 2 bits of the score is used for FAMILY. The exact
- match is 0, match with one of face-font-family-alternatives is
- nonzero.
-
- The next 2 bits of the score is used for the atomic properties
- FOUNDRY and ADSTYLE respectively.
+ The lowest 2 bits of the score is used for driver type. The font
+ available by the most preferred font driver is 0.
- Each 7-bit in the lower 28 bits are used for numeric properties
+ Each 7-bit in the higher 28 bits are used for numeric properties
WEIGHT, SLANT, WIDTH, and SIZE. */
/* How many bits to shift to store the difference value of each font
/* Score font-entity ENTITY against properties of font-spec SPEC_PROP.
The return value indicates how different ENTITY is compared with
- SPEC_PROP.
-
- ALTERNATE_FAMILIES, if non-nil, is a pre-calculated list of
- alternate family names for AREF (SPEC_PROP, FONT_FAMILY_INDEX). */
+ SPEC_PROP. */
static unsigned
-font_score (entity, spec_prop, alternate_families)
+font_score (entity, spec_prop)
Lisp_Object entity, *spec_prop;
- Lisp_Object alternate_families;
{
unsigned score = 0;
int i;
- /* Score three atomic fields. Maximum difference is 1 (family is 3). */
- for (i = FONT_FOUNDRY_INDEX; i <= FONT_ADSTYLE_INDEX; i++)
- if (i != FONT_REGISTRY_INDEX
- && ! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i]))
- {
- Lisp_Object entity_str = SYMBOL_NAME (AREF (entity, i));
- Lisp_Object spec_str = SYMBOL_NAME (spec_prop[i]);
-
- if (xstrcasecmp (SDATA (spec_str), SDATA (entity_str)))
- {
- if (i == FONT_FAMILY_INDEX && CONSP (alternate_families))
- {
- int j;
-
- for (j = 1; CONSP (alternate_families);
- j++, alternate_families = XCDR (alternate_families))
- {
- spec_str = XCAR (alternate_families);
- if (xstrcasecmp (SDATA (spec_str), SDATA (entity_str)) == 0)
- break;
- }
- if (j > 3)
- j = 3;
- score |= j << sort_shift_bits[i];
- }
- else
- score |= 1 << sort_shift_bits[i];
- }
- }
-
/* Score three style numeric fields. Maximum difference is 127. */
for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++)
if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i]))
if (diff < 0)
diff = - diff;
- /* This is to prefer the exact symbol style. */
- diff++;
- score |= min (diff, 127) << sort_shift_bits[i];
+ if (diff > 0)
+ score |= min (diff, 127) << sort_shift_bits[i];
}
/* Score the size. Maximum difference is 127. */
i = FONT_SIZE_INDEX;
- if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])
- && XINT (AREF (entity, i)) > 0)
+ if (! NILP (spec_prop[FONT_SIZE_INDEX])
+ && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0)
{
/* We use the higher 6-bit for the actual size difference. The
lowest bit is set if the DPI is different. */
- int diff = XINT (spec_prop[i]) - XINT (AREF (entity, i));
+ int diff;
+ int pixel_size = XINT (spec_prop[FONT_SIZE_INDEX]);
+ if (CONSP (Vface_font_rescale_alist))
+ pixel_size *= font_rescale_ratio (entity);
+ diff = pixel_size - XINT (AREF (entity, FONT_SIZE_INDEX));
if (diff < 0)
diff = - diff;
diff <<= 1;
/* Sort font-entities in vector VEC 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 SPEC is not nil, it is a font-spec to
- get the font-entities in VEC.
+ of FRAME before sorting.
If BEST-ONLY is nonzero, return the best matching entity. Otherwise,
return the sorted VEC. */
static Lisp_Object
-font_sort_entites (vec, prefer, frame, spec, best_only)
- Lisp_Object vec, prefer, frame, spec;
+font_sort_entites (vec, prefer, frame, best_only)
+ Lisp_Object vec, prefer, frame;
int best_only;
{
Lisp_Object prefer_prop[FONT_SPEC_MAX];
int len, i;
struct font_sort_data *data;
- Lisp_Object alternate_families = Qnil;
unsigned best_score;
- Lisp_Object best_entity;
+ Lisp_Object best_entity, driver_type;
+ int driver_order;
+ struct frame *f = XFRAME (frame);
+ struct font_driver_list *list;
USE_SAFE_ALLOCA;
len = ASIZE (vec);
if (len <= 1)
return best_only ? AREF (vec, 0) : vec;
- for (i = FONT_FOUNDRY_INDEX; i <= FONT_DPI_INDEX; i++)
+ for (i = FONT_WEIGHT_INDEX; i <= FONT_DPI_INDEX; i++)
prefer_prop[i] = AREF (prefer, i);
-
- if (! NILP (spec))
- {
- /* A font driver may return a font that has a property value
- different from the value specified in SPEC if the driver
- thinks they are the same. That happens, for instance, such a
- generic family name as "serif" is specified. So, to ignore
- such a difference, for all properties specified in SPEC, set
- the corresponding properties in PREFER_PROP to nil. */
- for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++)
- if (! NILP (AREF (spec, i)))
- prefer_prop[i] = Qnil;
- }
-
if (FLOATP (prefer_prop[FONT_SIZE_INDEX]))
prefer_prop[FONT_SIZE_INDEX]
= make_number (font_pixel_size (XFRAME (frame), prefer));
- if (! NILP (prefer_prop[FONT_FAMILY_INDEX]))
- {
- alternate_families
- = Fassoc_string (prefer_prop[FONT_FAMILY_INDEX],
- Vface_alternative_font_family_alist, Qt);
- if (CONSP (alternate_families))
- alternate_families = XCDR (alternate_families);
- }
/* Scoring and sorting. */
SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * len);
best_score = 0xFFFFFFFF;
- best_entity = Qnil;
+ /* 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 (!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,
- alternate_families);
+ 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;
break;
}
}
- if (NILP (best_entity))
+ if (! best_only)
{
qsort (data, len, sizeof *data, font_compare);
for (i = 0; i < len; i++)
{
int i, shift_bits;
- for (i = 0, shift_bits = 21; i < 4; i++, shift_bits -= 7)
+ for (i = 0, shift_bits = 23; i < 4; i++, shift_bits -= 7)
{
int xlfd_idx = order[i];
}
}
+static int
+font_check_otf_features (script, langsys, features, table)
+ Lisp_Object script, langsys, features, table;
+{
+ Lisp_Object val;
+ int negative;
+
+ table = assq_no_quit (script, table);
+ if (NILP (table))
+ return 0;
+ table = XCDR (table);
+ if (! NILP (langsys))
+ {
+ table = assq_no_quit (langsys, table);
+ if (NILP (table))
+ return 0;
+ }
+ else
+ {
+ val = assq_no_quit (Qnil, table);
+ if (NILP (val))
+ table = XCAR (table);
+ else
+ table = val;
+ }
+ table = XCDR (table);
+ for (negative = 0; CONSP (features); features = XCDR (features))
+ {
+ if (NILP (XCAR (features)))
+ {
+ negative = 1;
+ continue;
+ }
+ if (NILP (Fmemq (XCAR (features), table)) != negative)
+ return 0;
+ }
+ return 1;
+}
-/* Check if ENTITY matches with the font specification SPEC. */
+/* Check if OTF_CAPABILITY satisfies SPEC (otf-spec). */
-int
-font_match_p (spec, entity)
- Lisp_Object spec, entity;
+static int
+font_check_otf (Lisp_Object spec, Lisp_Object otf_capability)
{
- Lisp_Object prefer_prop[FONT_SPEC_MAX];
- Lisp_Object alternate_families = Qnil;
- int i;
+ Lisp_Object script, langsys = Qnil, gsub = Qnil, gpos = Qnil;
- for (i = FONT_FOUNDRY_INDEX; i <= FONT_SIZE_INDEX; i++)
- prefer_prop[i] = AREF (spec, i);
- if (FLOATP (prefer_prop[FONT_SIZE_INDEX]))
- prefer_prop[FONT_SIZE_INDEX]
- = make_number (font_pixel_size (XFRAME (selected_frame), spec));
- if (! NILP (prefer_prop[FONT_FAMILY_INDEX]))
+ script = XCAR (spec);
+ spec = XCDR (spec);
+ if (! NILP (spec))
{
- alternate_families
- = Fassoc_string (prefer_prop[FONT_FAMILY_INDEX],
- Vface_alternative_font_family_alist, Qt);
- if (CONSP (alternate_families))
- alternate_families = XCDR (alternate_families);
+ langsys = XCAR (spec);
+ spec = XCDR (spec);
+ if (! NILP (spec))
+ {
+ gsub = XCAR (spec);
+ spec = XCDR (spec);
+ if (! NILP (spec))
+ gpos = XCAR (spec);
+ }
}
- return (font_score (entity, prefer_prop, alternate_families) == 0);
+ if (! NILP (gsub) && ! font_check_otf_features (script, langsys, gsub,
+ XCAR (otf_capability)))
+ return 0;
+ if (! NILP (gpos) && ! font_check_otf_features (script, langsys, gpos,
+ XCDR (otf_capability)))
+ return 0;
+ return 1;
}
-/* CHeck a lispy font object corresponding to FONT. */
+
+/* Check if FONT (font-entity or font-object) matches with the font
+ specification SPEC. */
int
-font_check_object (font)
- struct font *font;
+font_match_p (spec, font)
+ Lisp_Object spec, font;
{
- Lisp_Object tail, elt;
+ Lisp_Object prop[FONT_SPEC_MAX], *props;
+ Lisp_Object extra, font_extra;
+ int i;
- for (tail = font->props[FONT_OBJLIST_INDEX]; CONSP (tail);
- tail = XCDR (tail))
+ for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++)
+ if (! NILP (AREF (spec, i))
+ && ! NILP (AREF (font, i))
+ && ! EQ (AREF (spec, i), AREF (font, i)))
+ return 0;
+ props = XFONT_SPEC (spec)->props;
+ if (FLOATP (props[FONT_SIZE_INDEX]))
{
- elt = XCAR (tail);
- if (font == XFONT_OBJECT (elt))
- return 1;
+ for (i = FONT_FOUNDRY_INDEX; i < FONT_SIZE_INDEX; i++)
+ prop[i] = AREF (spec, i);
+ prop[FONT_SIZE_INDEX]
+ = make_number (font_pixel_size (XFRAME (selected_frame), spec));
+ props = prop;
+ }
+
+ if (font_score (font, props) > 0)
+ return 0;
+ extra = AREF (spec, FONT_EXTRA_INDEX);
+ font_extra = AREF (font, FONT_EXTRA_INDEX);
+ for (; CONSP (extra); extra = XCDR (extra))
+ {
+ Lisp_Object key = XCAR (XCAR (extra));
+ Lisp_Object val = XCDR (XCAR (extra)), val2;
+
+ if (EQ (key, QClang))
+ {
+ val2 = assq_no_quit (key, font_extra);
+ if (NILP (val2))
+ return 0;
+ val2 = XCDR (val2);
+ if (CONSP (val))
+ {
+ if (! CONSP (val2))
+ return 0;
+ while (CONSP (val))
+ if (NILP (Fmemq (val, val2)))
+ return 0;
+ }
+ else
+ if (CONSP (val2)
+ ? NILP (Fmemq (val, XCDR (val2)))
+ : ! EQ (val, val2))
+ return 0;
+ }
+ else if (EQ (key, QCscript))
+ {
+ val2 = assq_no_quit (val, Vscript_representative_chars);
+ if (CONSP (val2))
+ {
+ val2 = XCDR (val2);
+ if (CONSP (val2))
+ {
+ /* All characters in the list must be supported. */
+ for (; CONSP (val2); val2 = XCDR (val2))
+ {
+ if (! NATNUMP (XCAR (val2)))
+ continue;
+ if (font_encode_char (font, XFASTINT (XCAR (val2)))
+ == FONT_INVALID_CODE)
+ return 0;
+ }
+ }
+ else if (VECTORP (val2))
+ {
+ /* At most one character in the vector must be supported. */
+ for (i = 0; i < ASIZE (val2); i++)
+ {
+ if (! NATNUMP (AREF (val2, i)))
+ continue;
+ if (font_encode_char (font, XFASTINT (AREF (val2, i)))
+ != FONT_INVALID_CODE)
+ break;
+ }
+ if (i == ASIZE (val2))
+ return 0;
+ }
+ }
+ }
+ else if (EQ (key, QCotf))
+ {
+ struct font *fontp;
+
+ if (! FONT_OBJECT_P (font))
+ return 0;
+ fontp = XFONT_OBJECT (font);
+ if (! fontp->driver->otf_capability)
+ return 0;
+ val2 = fontp->driver->otf_capability (fontp);
+ if (NILP (val2) || ! font_check_otf (val, val2))
+ return 0;
+ }
}
- return 0;
-}
+ return 1;
+}
\f
/* Font cache
struct font_driver *driver;
{
Lisp_Object tail, elt;
+ Lisp_Object tail2, entity;
/* CACHE = (DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) */
for (tail = XCDR (XCDR (cache)); CONSP (tail); tail = XCDR (tail))
{
elt = XCAR (tail);
- if (CONSP (elt) && FONT_SPEC_P (XCAR (elt)) && VECTORP (XCDR (elt)))
+ /* elt should have the form (FONT-SPEC FONT-ENTITY ...) */
+ if (CONSP (elt) && FONT_SPEC_P (XCAR (elt)))
{
- Lisp_Object vec = XCDR (elt);
- int i;
-
- for (i = 0; i < ASIZE (vec); i++)
+ for (tail2 = XCDR (elt); CONSP (tail2); tail2 = XCDR (tail2))
{
- Lisp_Object entity = AREF (vec, i);
+ entity = XCAR (tail2);
- if (EQ (driver->type, AREF (entity, FONT_TYPE_INDEX)))
+ if (FONT_ENTITY_P (entity)
+ && EQ (driver->type, AREF (entity, FONT_TYPE_INDEX)))
{
Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX);
Lisp_Object val = XCAR (objlist);
struct font *font = XFONT_OBJECT (val);
- font_assert (font && driver == font->driver);
- driver->close (f, font);
- num_fonts--;
+ if (! NILP (AREF (val, FONT_TYPE_INDEX)))
+ {
+ font_assert (font && driver == font->driver);
+ driver->close (f, font);
+ num_fonts--;
+ }
}
if (driver->free_entity)
driver->free_entity (entity);
&& ((XINT (AREF (spec, prop)) >> 8)
!= (XINT (AREF (entity, prop)) >> 8)))
prop = FONT_SPEC_MAX;
- if (prop++ <= FONT_SIZE_INDEX
+ if (prop < FONT_SPEC_MAX
&& size
&& XINT (AREF (entity, FONT_SIZE_INDEX)) > 0)
{
: diff > FONT_PIXEL_SIZE_QUANTUM))
prop = FONT_SPEC_MAX;
}
+ if (prop < FONT_SPEC_MAX
+ && INTEGERP (AREF (spec, FONT_DPI_INDEX))
+ && INTEGERP (AREF (entity, FONT_DPI_INDEX))
+ && XINT (AREF (entity, FONT_DPI_INDEX)) != 0
+ && ! EQ (AREF (spec, FONT_DPI_INDEX), AREF (entity, FONT_DPI_INDEX)))
+ prop = FONT_SPEC_MAX;
+ if (prop < FONT_SPEC_MAX
+ && INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX))
+ && INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX))
+ && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) != 0
+ && ! EQ (AREF (spec, FONT_AVGWIDTH_INDEX),
+ AREF (entity, FONT_AVGWIDTH_INDEX)))
+ prop = FONT_SPEC_MAX;
if (prop < FONT_SPEC_MAX)
val = Fcons (entity, val);
}
{
FRAME_PTR f = XFRAME (frame);
struct font_driver_list *driver_list = f->font_driver_list;
- Lisp_Object ftype, family, alternate_familes, val;
+ Lisp_Object ftype, val;
Lisp_Object *vec;
int size;
int need_filtering = 0;
- int n_family = 1;
int i;
font_assert (FONT_SPEC_P (spec));
- family = AREF (spec, FONT_FAMILY_INDEX);
- if (NILP (family))
- alternate_familes = Qnil;
- else
- {
- alternate_familes = Fassoc_string (family,
- Vface_alternative_font_family_alist,
- Qt);
- if (! NILP (alternate_familes))
- alternate_familes = XCDR (alternate_familes);
- n_family += XINT (Flength (alternate_familes));
- }
-
if (INTEGERP (AREF (spec, FONT_SIZE_INDEX)))
size = XINT (AREF (spec, FONT_SIZE_INDEX));
else if (FLOATP (AREF (spec, FONT_SIZE_INDEX)))
size = 0;
ftype = AREF (spec, FONT_TYPE_INDEX);
- for (i = 1; i <= FONT_REGISTRY_INDEX; i++)
+ for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++)
ASET (scratch_font_spec, i, AREF (spec, i));
- for (i = FONT_DPI_INDEX; i < FONT_EXTRA_INDEX; i += 2)
+ for (i = FONT_WEIGHT_INDEX; i < FONT_EXTRA_INDEX; i++)
{
ASET (scratch_font_spec, i, Qnil);
if (! NILP (AREF (spec, i)))
need_filtering = 1;
+ if (i == FONT_DPI_INDEX)
+ /* Skip FONT_SPACING_INDEX */
+ 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 * n_family);
+ vec = alloca (sizeof (Lisp_Object) * num_font_drivers);
if (! vec)
return null_vector;
&& (NILP (ftype) || EQ (driver_list->driver->type, ftype)))
{
Lisp_Object cache = font_get_cache (f, driver_list->driver);
- Lisp_Object tail = alternate_familes;
ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type);
- ASET (scratch_font_spec, FONT_FAMILY_INDEX, family);
- while (1)
+ val = assoc_no_quit (scratch_font_spec, XCDR (cache));
+ if (CONSP (val))
+ val = XCDR (val);
+ else
{
- val = assoc_no_quit (scratch_font_spec, XCDR (cache));
- if (CONSP (val))
- val = XCDR (val);
- else
- {
- Lisp_Object copy;
+ Lisp_Object copy;
- val = driver_list->driver->list (frame, scratch_font_spec);
- 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)
- val = font_delete_unmatched (val, spec, size);
- if (! NILP (val))
- {
- vec[i++] = val;
- break;
- }
- if (NILP (tail))
- break;
- ASET (scratch_font_spec, FONT_FAMILY_INDEX,
- Fintern (XCAR (tail), Qnil));
- tail = XCDR (tail);
+ val = driver_list->driver->list (frame, scratch_font_spec);
+ 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)
+ val = font_delete_unmatched (val, spec, size);
+ if (! NILP (val))
+ vec[i++] = val;
}
val = (i > 0 ? Fvconcat (i, vec) : null_vector);
struct font_driver_list *driver_list = f->font_driver_list;
Lisp_Object ftype, size, entity;
Lisp_Object frame;
+ Lisp_Object work = Fcopy_font_spec (spec);
XSETFRAME (frame, f);
ftype = AREF (spec, FONT_TYPE_INDEX);
size = AREF (spec, FONT_SIZE_INDEX);
+
if (FLOATP (size))
- ASET (spec, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec)));
+ ASET (work, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec)));
+ FONT_SET_STYLE (work, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]);
+ FONT_SET_STYLE (work, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]);
+ FONT_SET_STYLE (work, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]);
+
entity = Qnil;
for (; driver_list; driver_list = driver_list->next)
if (driver_list->on
Lisp_Object cache = font_get_cache (f, driver_list->driver);
Lisp_Object copy;
- ASET (spec, FONT_TYPE_INDEX, driver_list->driver->type);
- entity = assoc_no_quit (spec, XCDR (cache));
+ ASET (work, FONT_TYPE_INDEX, driver_list->driver->type);
+ entity = assoc_no_quit (work, XCDR (cache));
if (CONSP (entity))
entity = XCDR (entity);
else
{
- entity = driver_list->driver->match (frame, spec);
- copy = Fcopy_font_spec (spec);
+ entity = driver_list->driver->match (frame, work);
+ copy = Fcopy_font_spec (work);
ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type);
XSETCDR (cache, Fcons (Fcons (copy, entity), XCDR (cache)));
}
if (! NILP (entity))
break;
}
- ASET (spec, FONT_TYPE_INDEX, ftype);
- ASET (spec, FONT_SIZE_INDEX, size);
- font_add_log ("match", spec, entity);
+ font_add_log ("match", work, entity);
return entity;
}
struct font_driver_list *driver_list;
Lisp_Object objlist, size, val, font_object;
struct font *font;
- int min_width;
+ int min_width, height;
+ int scaled_pixel_size;
font_assert (FONT_ENTITY_P (entity));
size = AREF (entity, FONT_SIZE_INDEX);
if (XINT (size) != 0)
- pixel_size = XINT (size);
+ scaled_pixel_size = pixel_size = XINT (size);
+ 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 (XFONT_OBJECT (XCAR (objlist))->pixel_size == pixel_size)
+ 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);
if (! driver_list)
return Qnil;
- font_object = driver_list->driver->open (f, entity, pixel_size);
+ 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))
return Qnil;
ASET (entity, FONT_OBJLIST_INDEX,
Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX)));
- ASET (font_object, FONT_OBJLIST_INDEX, AREF (entity, FONT_OBJLIST_INDEX));
+ ASET (font_object, FONT_OBJLIST_INDEX, Qnil);
num_fonts++;
font = XFONT_OBJECT (font_object);
: font->average_width ? font->average_width
: font->space_width ? font->space_width
: 1);
+ height = (font->height ? font->height : 1);
#ifdef HAVE_WINDOW_SYSTEM
FRAME_X_DISPLAY_INFO (f)->n_fonts++;
if (FRAME_X_DISPLAY_INFO (f)->n_fonts == 1)
{
FRAME_SMALLEST_CHAR_WIDTH (f) = min_width;
- FRAME_SMALLEST_FONT_HEIGHT (f) = font->height;
+ FRAME_SMALLEST_FONT_HEIGHT (f) = height;
fonts_changed_p = 1;
}
else
{
if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width)
FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, fonts_changed_p = 1;
- if (FRAME_SMALLEST_FONT_HEIGHT (f) > font->height)
- FRAME_SMALLEST_FONT_HEIGHT (f) = font->height, fonts_changed_p = 1;
+ if (FRAME_SMALLEST_FONT_HEIGHT (f) > height)
+ FRAME_SMALLEST_FONT_HEIGHT (f) = height, fonts_changed_p = 1;
}
#endif
Lisp_Object font_object;
{
struct font *font = XFONT_OBJECT (font_object);
- Lisp_Object objlist;
- Lisp_Object tail, prev = Qnil;
- objlist = AREF (font_object, FONT_OBJLIST_INDEX);
- for (prev = Qnil, tail = objlist; CONSP (tail);
- prev = tail, tail = XCDR (tail))
- if (EQ (font_object, XCAR (tail)))
- {
- font_add_log ("close", font_object, Qnil);
- font->driver->close (f, font);
+ if (NILP (AREF (font_object, FONT_TYPE_INDEX)))
+ /* Already closed. */
+ return;
+ 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);
- FRAME_X_DISPLAY_INFO (f)->n_fonts--;
+ font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts);
+ FRAME_X_DISPLAY_INFO (f)->n_fonts--;
#endif
- if (NILP (prev))
- ASET (font_object, FONT_OBJLIST_INDEX, XCDR (objlist));
- else
- XSETCDR (prev, XCDR (objlist));
- num_fonts--;
- return;
- }
- abort ();
+ num_fonts--;
}
return spec;
}
+
+/* Create a new font spec from FONT_NAME, and return it. If FONT_NAME
+ could not be parsed by font_parse_name, return Qnil. */
+
Lisp_Object
font_spec_from_name (font_name)
Lisp_Object font_name;
{
- Lisp_Object args[2];
+ Lisp_Object spec = Ffont_spec (0, NULL);
- args[0] = QCname;
- args[1] = font_name;
- return Ffont_spec (2, args);
+ CHECK_STRING (font_name);
+ if (font_parse_name ((char *) SDATA (font_name), spec) == -1)
+ return Qnil;
+ font_put_extra (spec, QCname, font_name);
+ return spec;
}
if (! FONTP (font))
return;
if (NILP (AREF (font, prop))
- && prop != FONT_FAMILY_INDEX && prop != FONT_FAMILY_INDEX)
+ && prop != FONT_FAMILY_INDEX
+ && prop != FONT_FOUNDRY_INDEX
+ && prop != FONT_WIDTH_INDEX
+ && prop != FONT_SIZE_INDEX)
return;
font = Fcopy_font_spec (font);
ASET (font, prop, Qnil);
- if (prop == FONT_FAMILY_INDEX)
+ if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX)
{
- ASET (font, FONT_FOUNDRY_INDEX, Qnil);
+ if (prop == FONT_FAMILY_INDEX)
+ {
+ ASET (font, FONT_FOUNDRY_INDEX, Qnil);
+ /* If we are setting the font family, we must also clear
+ FONT_WIDTH_INDEX to avoid rejecting families that lack
+ support for some widths. */
+ ASET (font, FONT_WIDTH_INDEX, Qnil);
+ }
ASET (font, FONT_ADSTYLE_INDEX, Qnil);
+ ASET (font, FONT_REGISTRY_INDEX, Qnil);
ASET (font, FONT_SIZE_INDEX, Qnil);
ASET (font, FONT_DPI_INDEX, Qnil);
ASET (font, FONT_SPACING_INDEX, Qnil);
ASET (font, FONT_SPACING_INDEX, Qnil);
ASET (font, FONT_AVGWIDTH_INDEX, Qnil);
}
+ else if (prop == FONT_WIDTH_INDEX)
+ ASET (font, FONT_AVGWIDTH_INDEX, Qnil);
attrs[LFACE_FONT_INDEX] = font;
}
if (! FONT_SPEC_P (spec))
return;
- if (! NILP (AREF (spec, FONT_FOUNDRY_INDEX))
- || ! NILP (AREF (spec, FONT_FAMILY_INDEX)))
- {
- Lisp_Object family;
-
- if (NILP (AREF (spec, FONT_FOUNDRY_INDEX)))
- family = AREF (spec, FONT_FAMILY_INDEX);
- else if (NILP (AREF (spec, FONT_FAMILY_INDEX)))
- family = concat2 (SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)),
- build_string ("-*"));
- else
- family = concat3 (SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)),
- build_string ("-"),
- SYMBOL_NAME (AREF (spec, FONT_FAMILY_INDEX)));
- attrs[LFACE_FAMILY_INDEX] = family;
- }
+ if (! NILP (AREF (spec, FONT_FOUNDRY_INDEX)))
+ attrs[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX));
+ if (! NILP (AREF (spec, FONT_FAMILY_INDEX)))
+ attrs[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FAMILY_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)))
dpi = XINT (val);
point = PIXEL_TO_POINT (XINT (AREF (spec, FONT_SIZE_INDEX)) * 10,
dpi);
+ attrs[LFACE_HEIGHT_INDEX] = make_number (point);
}
else if (FLOATP (AREF (spec, FONT_SIZE_INDEX)))
- point = XFLOAT_DATA (AREF (spec, FONT_SIZE_INDEX)) * 10;
- attrs[LFACE_HEIGHT_INDEX] = make_number (point);
+ {
+ point = XFLOAT_DATA (AREF (spec, FONT_SIZE_INDEX)) * 10;
+ attrs[LFACE_HEIGHT_INDEX] = make_number (point);
+ }
}
}
Lisp_Object spec;
int c;
{
+ Lisp_Object work;
Lisp_Object frame, entities, val, props[FONT_REGISTRY_INDEX + 1] ;
- Lisp_Object size;
+ Lisp_Object size, foundry[3], *family, registry[3], adstyle[3];
int pixel_size;
- int i, result;
+ int i, j, k, l, result;
+
+ registry[0] = AREF (spec, FONT_REGISTRY_INDEX);
+ if (NILP (registry[0]))
+ {
+ registry[0] = DEFAULT_ENCODING;
+ registry[1] = Qascii_0;
+ registry[2] = null_vector;
+ }
+ else
+ registry[1] = null_vector;
- if (c >= 0)
+ if (c >= 0 && ! NILP (AREF (spec, FONT_REGISTRY_INDEX)))
{
- Lisp_Object registry = AREF (spec, FONT_REGISTRY_INDEX);
struct charset *encoding, *repertory;
- if (font_registry_charsets (registry, &encoding, &repertory) < 0)
+ if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX),
+ &encoding, &repertory) < 0)
return Qnil;
if (repertory)
{
return Qnil;
}
+ work = Fcopy_font_spec (spec);
XSETFRAME (frame, f);
size = AREF (spec, FONT_SIZE_INDEX);
pixel_size = font_pixel_size (f, spec);
pixel_size = POINT_TO_PIXEL (pt / 10, f->resy);
}
- ASET (spec, FONT_SIZE_INDEX, Qnil);
- entities = font_list_entities (frame, spec);
- ASET (spec, FONT_SIZE_INDEX, size);
- if (ASIZE (entities) == 0)
- return Qnil;
+ ASET (work, FONT_SIZE_INDEX, Qnil);
+ foundry[0] = AREF (work, FONT_FOUNDRY_INDEX);
+ if (! NILP (foundry[0]))
+ foundry[1] = null_vector;
+ else if (STRINGP (attrs[LFACE_FOUNDRY_INDEX]))
+ {
+ val = attrs[LFACE_FOUNDRY_INDEX];
+ foundry[0] = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1);
+ foundry[1] = Qnil;
+ foundry[2] = null_vector;
+ }
+ else
+ foundry[0] = Qnil, foundry[1] = null_vector;
+
+ adstyle[0] = AREF (work, FONT_ADSTYLE_INDEX);
+ if (! NILP (adstyle[0]))
+ adstyle[1] = null_vector;
+ else if (FONTP (attrs[LFACE_FONT_INDEX]))
+ {
+ Lisp_Object face_font = attrs[LFACE_FONT_INDEX];
+
+ if (! NILP (AREF (face_font, FONT_ADSTYLE_INDEX)))
+ {
+ adstyle[0] = AREF (face_font, FONT_ADSTYLE_INDEX);
+ adstyle[1] = Qnil;
+ adstyle[2] = null_vector;
+ }
+ else
+ adstyle[0] = Qnil, adstyle[1] = null_vector;
+ }
+ else
+ adstyle[0] = Qnil, adstyle[1] = null_vector;
+
+
+ val = AREF (work, FONT_FAMILY_INDEX);
+ if (NILP (val) && STRINGP (attrs[LFACE_FAMILY_INDEX]))
+ {
+ val = attrs[LFACE_FAMILY_INDEX];
+ val = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1);
+ }
+ if (NILP (val))
+ {
+ family = alloca ((sizeof family[0]) * 2);
+ family[0] = Qnil;
+ family[1] = null_vector; /* terminator. */
+ }
+ else
+ {
+ Lisp_Object alters
+ = Fassoc_string (val, Vface_alternative_font_family_alist,
+#ifndef HAVE_NS
+ Qt
+#else
+ Qnil
+#endif
+ );
+
+ if (! NILP (alters))
+ {
+ family = alloca ((sizeof family[0]) * (XINT (Flength (alters)) + 2));
+ for (i = 0; CONSP (alters); i++, alters = XCDR (alters))
+ family[i] = XCAR (alters);
+ if (NILP (AREF (spec, FONT_FAMILY_INDEX)))
+ family[i++] = Qnil;
+ family[i] = null_vector;
+ }
+ else
+ {
+ family = alloca ((sizeof family[0]) * 3);
+ i = 0;
+ family[i++] = val;
+ if (NILP (AREF (spec, FONT_FAMILY_INDEX)))
+ family[i++] = Qnil;
+ family[i] = null_vector;
+ }
+ }
+
+ for (i = 0; SYMBOLP (family[i]); i++)
+ {
+ ASET (work, FONT_FAMILY_INDEX, family[i]);
+ for (j = 0; SYMBOLP (foundry[j]); j++)
+ {
+ ASET (work, FONT_FOUNDRY_INDEX, foundry[j]);
+ for (k = 0; SYMBOLP (registry[k]); k++)
+ {
+ ASET (work, FONT_REGISTRY_INDEX, registry[k]);
+ for (l = 0; SYMBOLP (adstyle[l]); l++)
+ {
+ ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]);
+ entities = font_list_entities (frame, work);
+ if (ASIZE (entities) > 0)
+ goto found;
+ }
+ }
+ }
+ }
+ return Qnil;
+ found:
if (ASIZE (entities) == 1)
{
if (c < 0)
Lisp_Object prefer = scratch_font_prefer;
for (i = 0; i < FONT_EXTRA_INDEX; i++)
- ASET (prefer, i, AREF (spec, i));
+ ASET (prefer, i, AREF (work, i));
if (FONTP (attrs[LFACE_FONT_INDEX]))
{
Lisp_Object face_font = attrs[LFACE_FONT_INDEX];
if (NILP (AREF (prefer, i)))
ASET (prefer, i, AREF (face_font, i));
}
- if (NILP (AREF (prefer, FONT_FAMILY_INDEX)))
- font_parse_family_registry (attrs[LFACE_FAMILY_INDEX], Qnil, prefer);
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)))
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));
- ASET (spec, FONT_SIZE_INDEX, Qnil);
- entities = font_sort_entites (entities, prefer, frame, spec, c < 0);
- ASET (spec, FONT_SIZE_INDEX, size);
+ entities = font_sort_entites (entities, prefer, frame, c < 0);
}
if (c < 0)
return entities;
{
int size;
- if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX)))
+ if (INTEGERP (AREF (entity, FONT_SIZE_INDEX))
+ && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0)
+ size = XINT (AREF (entity, FONT_SIZE_INDEX));
+ else if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX)))
size = font_pixel_size (f, spec);
else
{
- double pt = XINT (attrs[LFACE_HEIGHT_INDEX]);
+ double pt;
+ if (INTEGERP (attrs[LFACE_HEIGHT_INDEX]))
+ pt = XINT (attrs[LFACE_HEIGHT_INDEX]);
+ else
+ {
+ struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID);
+ Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX];
+ if (INTEGERP (height))
+ pt = XINT (height);
+ else
+ abort(); /* We should never end up here. */
+ }
pt /= 10;
size = POINT_TO_PIXEL (pt, f->resy);
+#ifdef HAVE_NS
+ if (size == 0)
+ {
+ Lisp_Object ffsize = get_frame_param(f, Qfontsize);
+ size = NUMBERP (ffsize) ? POINT_TO_PIXEL (XINT (ffsize), f->resy) : 0;
+ }
+#endif
}
return font_open_entity (f, entity, size);
}
char *name;
{
Lisp_Object args[2];
- Lisp_Object spec, prefer, size, registry, entity, entity_list;
- Lisp_Object frame;
- int i;
- int pixel_size;
-
- XSETFRAME (frame, f);
+ Lisp_Object spec, attrs[LFACE_VECTOR_SIZE];
args[0] = QCname;
args[1] = make_unibyte_string (name, strlen (name));
spec = Ffont_spec (2, args);
- prefer = scratch_font_prefer;
- for (i = 0; i < FONT_SPEC_MAX; i++)
- {
- ASET (prefer, i, AREF (spec, i));
- if (NILP (AREF (prefer, i))
- && i >= FONT_WEIGHT_INDEX && i <= FONT_WIDTH_INDEX)
- FONT_SET_STYLE (prefer, i, make_number (100));
- }
- size = AREF (spec, FONT_SIZE_INDEX);
- if (NILP (size))
- pixel_size = 0;
- else
- {
- if (INTEGERP (size))
- pixel_size = XINT (size);
- else /* FLOATP (size) */
- {
- double pt = XFLOAT_DATA (size);
+ /* 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;
+ attrs[LFACE_SWIDTH_INDEX] = attrs[LFACE_WEIGHT_INDEX]
+ = attrs[LFACE_SLANT_INDEX] = Qnormal;
+#ifndef HAVE_NS
+ attrs[LFACE_HEIGHT_INDEX] = make_number (120);
+#else
+ attrs[LFACE_HEIGHT_INDEX] = make_number (0);
+#endif
+ attrs[LFACE_FONT_INDEX] = Qnil;
- pixel_size = POINT_TO_PIXEL (pt, f->resy);
- }
- if (pixel_size == 0)
- ASET (spec, FONT_SIZE_INDEX, Qnil);
- }
- if (pixel_size == 0)
- {
- pixel_size = POINT_TO_PIXEL (12.0, f->resy);
- size = make_number (pixel_size);
- ASET (prefer, FONT_SIZE_INDEX, size);
- }
- registry = AREF (spec, FONT_REGISTRY_INDEX);
- if (NILP (registry))
- ASET (spec, FONT_REGISTRY_INDEX, Qiso8859_1);
- entity_list = Flist_fonts (spec, frame, make_number (1), prefer);
- if (NILP (entity_list) && NILP (registry))
- {
- ASET (spec, FONT_REGISTRY_INDEX, Qascii_0);
- entity_list = Flist_fonts (spec, frame, make_number (1), prefer);
- }
- ASET (spec, FONT_REGISTRY_INDEX, registry);
- if (NILP (entity_list))
- entity = font_matching_entity (f, NULL, spec);
- else
- entity = XCAR (entity_list);
- return (NILP (entity)
- ? Qnil
- : font_open_entity (f, entity, pixel_size));
+ return font_load_for_lface (f, attrs, spec);
}
if (EQ (list->driver->type, driver->type))
error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type)));
- list = malloc (sizeof (struct font_driver_list));
+ list = xmalloc (sizeof (struct font_driver_list));
list->on = 0;
list->driver = driver;
list->next = NULL;
num_font_drivers++;
}
-
-/* Free font-driver list on frame F. It doesn't free font-drivers
- themselves. */
-
void
free_font_driver_list (f)
FRAME_PTR f;
{
- while (f->font_driver_list)
- {
- struct font_driver_list *next = f->font_driver_list->next;
+ struct font_driver_list *list, *next;
- free (f->font_driver_list);
- f->font_driver_list = next;
+ for (list = f->font_driver_list; list; list = next)
+ {
+ next = list->next;
+ xfree (list);
}
+ f->font_driver_list = NULL;
}
Lisp_Object new_drivers;
{
Lisp_Object active_drivers = Qnil;
+ struct font_driver *driver;
struct font_driver_list *list;
+ /* At first, turn off non-requested drivers, and turn on requested
+ drivers. */
for (list = f->font_driver_list; list; list = list->next)
- if (list->on)
- {
- if (! EQ (new_drivers, Qt)
- && NILP (Fmemq (list->driver->type, new_drivers)))
- {
- if (list->driver->end_for_frame)
- list->driver->end_for_frame (f);
- font_finish_cache (f, list->driver);
- list->on = 0;
- }
- }
- else
- {
- if (EQ (new_drivers, Qt)
- || ! NILP (Fmemq (list->driver->type, new_drivers)))
- {
- if (! list->driver->start_for_frame
- || list->driver->start_for_frame (f) == 0)
- {
- font_prepare_cache (f, list->driver);
- list->on = 1;
- active_drivers = nconc2 (active_drivers,
- Fcons (list->driver->type, Qnil));
- }
- }
- }
+ {
+ driver = list->driver;
+ if ((EQ (new_drivers, Qt) || ! NILP (Fmemq (driver->type, new_drivers)))
+ != list->on)
+ {
+ if (list->on)
+ {
+ if (driver->end_for_frame)
+ driver->end_for_frame (f);
+ font_finish_cache (f, driver);
+ list->on = 0;
+ }
+ else
+ {
+ if (! driver->start_for_frame
+ || driver->start_for_frame (f) == 0)
+ {
+ font_prepare_cache (f, driver);
+ list->on = 1;
+ }
+ }
+ }
+ }
+ if (NILP (new_drivers))
+ return Qnil;
+
+ if (! EQ (new_drivers, Qt))
+ {
+ /* Re-order the driver list according to new_drivers. */
+ struct font_driver_list **list_table, **next;
+ Lisp_Object tail;
+ int i;
+
+ list_table = alloca (sizeof list_table[0] * (num_font_drivers + 1));
+ for (i = 0, tail = new_drivers; ! NILP (tail); tail = XCDR (tail))
+ {
+ for (list = f->font_driver_list; list; list = list->next)
+ if (list->on && EQ (list->driver->type, XCAR (tail)))
+ break;
+ if (list)
+ list_table[i++] = list;
+ }
+ for (list = f->font_driver_list; list; list = list->next)
+ if (! list->on)
+ list_table[i++] = list;
+ list_table[i] = NULL;
+
+ next = &f->font_driver_list;
+ for (i = 0; list_table[i]; i++)
+ {
+ *next = list_table[i];
+ next = &(*next)->next;
+ }
+ *next = NULL;
+ }
+
+ for (list = f->font_driver_list; list; list = list->next)
+ if (list->on)
+ active_drivers = nconc2 (active_drivers,
+ Fcons (list->driver->type, Qnil));
return active_drivers;
}
if (! list)
{
- list = malloc (sizeof (struct font_data_list));
- if (! list)
- return -1;
+ list = xmalloc (sizeof (struct font_data_list));
list->driver = driver;
list->next = f->font_data_list;
f->font_data_list = list;
int multibyte;
Lisp_Object font_object;
+ multibyte = (NILP (string)
+ ? ! NILP (current_buffer->enable_multibyte_characters)
+ : STRING_MULTIBYTE (string));
if (c < 0)
{
if (NILP (string))
{
- multibyte = ! NILP (current_buffer->enable_multibyte_characters);
if (multibyte)
{
EMACS_INT pos_byte = CHAR_TO_BYTE (pos);
if (! face->font)
return Qnil;
- font_assert (font_check_object ((struct font *) face->font));
XSETFONT (font_object, face->font);
return font_object;
}
-/* Check how many characters after POS (at most to LIMIT) can be
- displayed by the same font. FACE is the face selected for the
- character as POS on frame F. STRING, if not nil, is the string to
- check instead of the current buffer.
+#ifdef HAVE_WINDOW_SYSTEM
+
+/* Check how many characters after POS (at most to *LIMIT) can be
+ displayed by the same font on the window W. FACE, if non-NULL, is
+ the face selected for the character at POS. If STRING is not nil,
+ it is the string to check instead of the current buffer. In that
+ case, FACE must be not NULL.
+
+ The return value is the font-object for the character at POS.
+ *LIMIT is set to the position where that font can't be used.
- The return value is the position of the character that is displayed
- by the differnt font than that of the character as POS. */
+ It is assured that the current buffer (or STRING) is multibyte. */
-EMACS_INT
-font_range (pos, limit, face, f, string)
- EMACS_INT pos, limit;
+Lisp_Object
+font_range (pos, limit, w, face, string)
+ EMACS_INT pos, *limit;
+ struct window *w;
struct face *face;
- FRAME_PTR f;
Lisp_Object string;
{
- int multibyte;
- EMACS_INT pos_byte;
+ EMACS_INT pos_byte, ignore, start, start_byte;
int c;
- struct font *font;
- int first = 1;
+ Lisp_Object font_object = Qnil;
if (NILP (string))
{
- multibyte = ! NILP (current_buffer->enable_multibyte_characters);
pos_byte = CHAR_TO_BYTE (pos);
+ if (! face)
+ {
+ int face_id;
+
+ face_id = face_at_buffer_position (w, pos, 0, 0, &ignore, *limit, 0);
+ face = FACE_FROM_ID (XFRAME (w->frame), face_id);
+ }
}
else
{
- multibyte = STRING_MULTIBYTE (string);
+ font_assert (face);
pos_byte = string_char_to_byte (string, pos);
}
- if (! multibyte)
- /* All unibyte character are displayed by the same font. */
- return limit;
-
- while (pos < limit)
+ start = pos, start_byte = pos_byte;
+ while (pos < *limit)
{
- int face_id;
+ Lisp_Object category;
if (NILP (string))
FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte);
else
FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte);
- face_id = FACE_FOR_CHAR (f, face, c, pos, string);
- face = FACE_FROM_ID (f, face_id);
- if (first)
+ if (NILP (font_object))
{
- font = face->font;
- first = 0;
+ font_object = font_for_char (face, c, pos - 1, string);
+ if (NILP (font_object))
+ return Qnil;
continue;
}
- else if (font != face->font)
+
+ category = CHAR_TABLE_REF (Vunicode_category_table, c);
+ if (! EQ (category, QCf)
+ && ! CHAR_VARIATION_SELECTOR_P (c)
+ && font_encode_char (font_object, c) == FONT_INVALID_CODE)
{
- pos--;
- break;
+ Lisp_Object f = font_for_char (face, c, pos - 1, string);
+ EMACS_INT i, i_byte;
+
+
+ if (NILP (f))
+ {
+ *limit = pos - 1;
+ return font_object;
+ }
+ i = start, i_byte = start_byte;
+ while (i < pos - 1)
+ {
+
+ if (NILP (string))
+ FETCH_CHAR_ADVANCE_NO_CHECK (c, i, i_byte);
+ else
+ FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, i, i_byte);
+ category = CHAR_TABLE_REF (Vunicode_category_table, c);
+ if (! EQ (category, QCf)
+ && ! CHAR_VARIATION_SELECTOR_P (c)
+ && font_encode_char (f, c) == FONT_INVALID_CODE)
+ {
+ *limit = pos - 1;
+ return font_object;
+ }
+ }
+ font_object = f;
}
}
- return pos;
+ return font_object;
}
+#endif
\f
/* Lisp API */
`: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).
-usage: (font-spec ARGS ...) */)
+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 string of XLFD-style or fontconfig-style font name.
+
+`:script'
+
+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;
Lisp_Object *args;
(font)
Lisp_Object font;
{
- Lisp_Object new_spec, tail, extra;
+ Lisp_Object new_spec, tail, prev, extra;
int i;
CHECK_FONT (font);
new_spec = font_make_spec ();
for (i = 1; i < FONT_EXTRA_INDEX; i++)
ASET (new_spec, i, AREF (font, i));
- extra = Qnil;
- for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail))
- {
- if (! EQ (XCAR (XCAR (tail)), QCfont_entity))
- extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra);
- }
+ extra = Fcopy_sequence (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))
+ {
+ if (NILP (prev))
+ extra = XCDR (extra);
+ else
+ XSETCDR (prev, XCDR (tail));
+ break;
+ }
ASET (new_spec, FONT_EXTRA_INDEX, extra);
return new_spec;
}
DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0,
doc: /* Return the value of FONT's property KEY.
-FONT is a font-spec, a font-entity, or a font-object. */)
+FONT is a font-spec, a font-entity, or a font-object.
+KEY must be one of these symbols:
+ :family, :weight, :slant, :width, :foundry, :adstyle, :registry,
+ :size, :name, :script
+See the documentation of `font-spec' for their meanings.
+If FONT is a font-entity or font-object, the value of :script may be
+a list of scripts that are supported by the font. */)
(font, key)
Lisp_Object font, key;
{
CHECK_SYMBOL (key);
idx = get_font_prop_index (key);
+ if (idx >= FONT_WEIGHT_INDEX && idx <= FONT_WIDTH_INDEX)
+ return font_style_symbolic (font, idx, 0);
if (idx >= 0 && idx < FONT_EXTRA_INDEX)
return AREF (font, idx);
return Fcdr (Fassq (key, AREF (font, FONT_EXTRA_INDEX)));
}
+#ifdef HAVE_WINDOW_SYSTEM
+
+DEFUN ("font-face-attributes", Ffont_face_attributes, Sfont_face_attributes, 1, 2, 0,
+ doc: /* Return a plist of face attributes generated by FONT.
+FONT is a font name, a font-spec, a font-entity, or a font-object.
+The return value is a list of the form
+
+\(:family FAMILY :height HEIGHT :weight WEIGHT :slant SLANT :width WIDTH)
+
+where FAMILY, HEIGHT, WEIGHT, SLANT, and WIDTH are face attribute values
+compatible with `set-face-attribute'. Some of these key-attribute pairs
+may be omitted from the list if they are not specified by FONT.
+
+The optional argument FRAME specifies the frame that the face attributes
+are to be displayed on. If omitted, the selected frame is used. */)
+ (font, frame)
+ Lisp_Object font, frame;
+{
+ struct frame *f;
+ Lisp_Object plist[10];
+ Lisp_Object val;
+ int n = 0;
+
+ if (NILP (frame))
+ frame = selected_frame;
+ CHECK_LIVE_FRAME (frame);
+ f = XFRAME (frame);
+
+ if (STRINGP (font))
+ {
+ int fontset = fs_query_fontset (font, 0);
+ Lisp_Object name = font;
+ if (fontset >= 0)
+ font = fontset_ascii (fontset);
+ font = font_spec_from_name (name);
+ if (! FONTP (font))
+ signal_error ("Invalid font name", name);
+ }
+ else if (! FONTP (font))
+ signal_error ("Invalid font object", font);
+
+ val = AREF (font, FONT_FAMILY_INDEX);
+ if (! NILP (val))
+ {
+ plist[n++] = QCfamily;
+ plist[n++] = SYMBOL_NAME (val);
+ }
+
+ val = AREF (font, FONT_SIZE_INDEX);
+ if (INTEGERP (val))
+ {
+ Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX);
+ int dpi = INTEGERP (font_dpi) ? XINT (font_dpi) : f->resy;
+ plist[n++] = QCheight;
+ plist[n++] = make_number (PIXEL_TO_POINT (XINT (val) * 10, dpi));
+ }
+ else if (FLOATP (val))
+ {
+ plist[n++] = QCheight;
+ plist[n++] = make_number (10 * (int) XFLOAT_DATA (val));
+ }
+
+ val = FONT_WEIGHT_FOR_FACE (font);
+ if (! NILP (val))
+ {
+ plist[n++] = QCweight;
+ plist[n++] = val;
+ }
+
+ val = FONT_SLANT_FOR_FACE (font);
+ if (! NILP (val))
+ {
+ plist[n++] = QCslant;
+ plist[n++] = val;
+ }
+
+ val = FONT_WIDTH_FOR_FACE (font);
+ if (! NILP (val))
+ {
+ plist[n++] = QCwidth;
+ plist[n++] = val;
+ }
+
+ return Flist (n, plist);
+}
+
+#endif
DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0,
doc: /* Set one property of FONT-SPEC: give property PROP value VAL. */)
return Fcons (AREF (vec, 0), Qnil);
if (! NILP (prefer))
- vec = font_sort_entites (vec, prefer, frame, font_spec, 0);
+ vec = font_sort_entites (vec, prefer, frame, 0);
list = tail = Fcons (AREF (vec, 0), Qnil);
if (n == 0 || n > len)
if (driver_list->driver->list_family)
{
Lisp_Object val = driver_list->driver->list_family (frame);
+ Lisp_Object tail = list;
- if (NILP (list))
- list = val;
- else
- {
- Lisp_Object tail = list;
-
- for (; CONSP (val); val = XCDR (val))
- if (NILP (Fmemq (XCAR (val), tail)))
- list = Fcons (XCAR (val), list);
- }
+ for (; CONSP (val); val = XCDR (val))
+ if (NILP (Fmemq (XCAR (val), tail))
+ && SYMBOLP (XCAR (val)))
+ list = Fcons (SYMBOL_NAME (XCAR (val)), list);
}
return list;
}
return Qnil;
}
-/* The following three functions are still experimental. */
-
-DEFUN ("font-make-gstring", Ffont_make_gstring, Sfont_make_gstring, 2, 2, 0,
- doc: /* Return a newly created g-string for FONT-OBJECT with NUM glyphs.
-FONT-OBJECT may be nil if it is not yet known.
-
-G-string is sequence of glyphs of a specific font,
-and is a vector of this form:
- [ HEADER GLYPH ... ]
-HEADER is a vector of this form:
- [FONT-OBJECT WIDTH LBEARING RBEARING ASCENT DESCENT]
-where
- FONT-OBJECT is a font-object for all glyphs in the g-string,
- WIDTH thru DESCENT are the metrics (in pixels) of the whole G-string.
-GLYPH is a vector of this form:
- [ FROM-IDX TO-IDX C CODE WIDTH LBEARING RBEARING ASCENT DESCENT
- [ [X-OFF Y-OFF WADJUST] | nil] ]
-where
- FROM-IDX and TO-IDX are used internally and should not be touched.
- C is the character of the glyph.
- CODE is the glyph-code of C in FONT-OBJECT.
- WIDTH thru DESCENT are the metrics (in pixels) of the glyph.
- X-OFF and Y-OFF are offests to the base position for the glyph.
- WADJUST is the adjustment to the normal width of the glyph. */)
- (font_object, num)
- Lisp_Object font_object, num;
-{
- Lisp_Object gstring, g;
- int len;
- int i;
-
- if (! NILP (font_object))
- CHECK_FONT_OBJECT (font_object);
- CHECK_NATNUM (num);
-
- len = XINT (num) + 1;
- gstring = Fmake_vector (make_number (len), Qnil);
- g = Fmake_vector (make_number (6), Qnil);
- ASET (g, 0, font_object);
- ASET (gstring, 0, g);
- for (i = 1; i < len; i++)
- ASET (gstring, i, Fmake_vector (make_number (10), Qnil));
- return gstring;
-}
-
-DEFUN ("font-fill-gstring", Ffont_fill_gstring, Sfont_fill_gstring, 4, 5, 0,
- doc: /* Fill in glyph-string GSTRING by characters for FONT-OBJECT.
-START and END specify the region to extract characters.
-If optional 5rd argument OBJECT is non-nil, it is a buffer or a string from
-where to extract characters.
-FONT-OBJECT may be nil if GSTRING already contains one. */)
- (gstring, font_object, start, end, object)
- Lisp_Object gstring, font_object, start, end, object;
+\f
+void
+font_fill_lglyph_metrics (glyph, font_object)
+ Lisp_Object glyph, font_object;
{
- int len, i, c;
+ struct font *font = XFONT_OBJECT (font_object);
unsigned code;
- struct font *font;
+ /* ecode used in LGLYPH_SET_CODE to avoid compiler warnings. */
+ EMACS_INT ecode = font->driver->encode_char (font, LGLYPH_CHAR (glyph));
+ struct font_metrics metrics;
- CHECK_VECTOR (gstring);
- if (NILP (font_object))
- font_object = LGSTRING_FONT (gstring);
- font = XFONT_OBJECT (font_object);
+ LGLYPH_SET_CODE (glyph, ecode);
+ code = ecode;
+ font->driver->text_extents (font, &code, 1, &metrics);
+ LGLYPH_SET_LBEARING (glyph, metrics.lbearing);
+ LGLYPH_SET_RBEARING (glyph, metrics.rbearing);
+ LGLYPH_SET_WIDTH (glyph, metrics.width);
+ LGLYPH_SET_ASCENT (glyph, metrics.ascent);
+ LGLYPH_SET_DESCENT (glyph, metrics.descent);
+}
- if (STRINGP (object))
- {
- const unsigned char *p;
- CHECK_NATNUM (start);
- CHECK_NATNUM (end);
- if (XINT (start) > XINT (end)
- || XINT (end) > ASIZE (object)
- || XINT (end) - XINT (start) > LGSTRING_LENGTH (gstring))
- args_out_of_range_3 (object, start, end);
+DEFUN ("font-shape-gstring", Ffont_shape_gstring, Sfont_shape_gstring, 1, 1, 0,
+ doc: /* Shape the glyph-string GSTRING.
+Shaping means substituting glyphs and/or adjusting positions of glyphs
+to get the correct visual image of character sequences set in the
+header of the glyph-string.
- len = XINT (end) - XINT (start);
- p = SDATA (object) + string_char_to_byte (object, XINT (start));
- for (i = 0; i < len; i++)
- {
- Lisp_Object g = LGSTRING_GLYPH (gstring, i);
- /* Shut up GCC warning in comparison with
- MOST_POSITIVE_FIXNUM below. */
- EMACS_INT cod;
-
- c = STRING_CHAR_ADVANCE (p);
- cod = code = font->driver->encode_char (font, c);
- if (cod > MOST_POSITIVE_FIXNUM || code == FONT_INVALID_CODE)
- break;
- LGLYPH_SET_FROM (g, i);
- LGLYPH_SET_TO (g, i);
- LGLYPH_SET_CHAR (g, c);
- LGLYPH_SET_CODE (g, code);
- }
- }
- else
- {
- int pos, pos_byte;
-
- if (! NILP (object))
- Fset_buffer (object);
- validate_region (&start, &end);
- if (XINT (end) - XINT (start) > LGSTRING_LENGTH (gstring))
- args_out_of_range (start, end);
- len = XINT (end) - XINT (start);
- pos = XINT (start);
- pos_byte = CHAR_TO_BYTE (pos);
- for (i = 0; i < len; i++)
- {
- Lisp_Object g = LGSTRING_GLYPH (gstring, i);
- /* Shut up GCC warning in comparison with
- MOST_POSITIVE_FIXNUM below. */
- EMACS_INT cod;
-
- FETCH_CHAR_ADVANCE (c, pos, pos_byte);
- cod = code = font->driver->encode_char (font, c);
- if (cod > MOST_POSITIVE_FIXNUM || code == FONT_INVALID_CODE)
- break;
- LGLYPH_SET_FROM (g, i);
- LGLYPH_SET_TO (g, i);
- LGLYPH_SET_CHAR (g, c);
- LGLYPH_SET_CODE (g, code);
- }
- }
- for (; i < LGSTRING_LENGTH (gstring); i++)
- LGSTRING_SET_GLYPH (gstring, i, Qnil);
- return Qnil;
-}
-
-DEFUN ("font-shape-text", Ffont_shape_text, Sfont_shape_text, 3, 4, 0,
- doc: /* Shape text between FROM and TO by FONT-OBJECT.
-If optional 4th argument STRING is non-nil, it is a string to shape,
-and FROM and TO are indices to the string.
-The value is the end position of the text that can be shaped by
-FONT-OBJECT. */)
- (from, to, font_object, string)
- Lisp_Object from, to, font_object, string;
+If the shaping was successful, the value is GSTRING itself or a newly
+created glyph-string. Otherwise, the value is nil. */)
+ (gstring)
+ Lisp_Object gstring;
{
struct font *font;
- struct font_metrics metrics;
- EMACS_INT start, end;
- Lisp_Object gstring, n;
- int len, i;
-
- if (! FONT_OBJECT_P (font_object))
- return Qnil;
+ Lisp_Object font_object, n, glyph;
+ int i, j, from, to;
+
+ if (! composition_gstring_p (gstring))
+ signal_error ("Invalid glyph-string: ", gstring);
+ if (! NILP (LGSTRING_ID (gstring)))
+ return gstring;
+ font_object = LGSTRING_FONT (gstring);
+ CHECK_FONT_OBJECT (font_object);
font = XFONT_OBJECT (font_object);
if (! font->driver->shape)
return Qnil;
- if (NILP (string))
- {
- validate_region (&from, &to);
- start = XFASTINT (from);
- end = XFASTINT (to);
- modify_region (current_buffer, start, end, 0);
- }
- else
- {
- CHECK_STRING (string);
- start = XINT (from);
- end = XINT (to);
- if (start < 0 || start > end || end > SCHARS (string))
- args_out_of_range_3 (string, from, to);
- }
-
- len = end - start;
- gstring = Ffont_make_gstring (font_object, make_number (len));
- Ffont_fill_gstring (gstring, font_object, from, to, string);
-
/* Try at most three times with larger gstring each time. */
for (i = 0; i < 3; i++)
{
- Lisp_Object args[2];
-
n = font->driver->shape (gstring);
if (INTEGERP (n))
break;
- args[0] = gstring;
- args[1] = Fmake_vector (make_number (len), Qnil);
- gstring = Fvconcat (2, args);
+ gstring = larger_vector (gstring,
+ ASIZE (gstring) + LGSTRING_GLYPH_LEN (gstring),
+ Qnil);
}
- if (! INTEGERP (n) || XINT (n) == 0)
+ if (i == 3 || XINT (n) == 0)
return Qnil;
- len = XINT (n);
-
- for (i = 0; i < len;)
- {
- Lisp_Object gstr;
- Lisp_Object g = LGSTRING_GLYPH (gstring, i);
- EMACS_INT this_from = LGLYPH_FROM (g);
- EMACS_INT this_to = LGLYPH_TO (g) + 1;
- int j, k;
- int need_composition = 0;
-
- metrics.lbearing = LGLYPH_LBEARING (g);
- metrics.rbearing = LGLYPH_RBEARING (g);
- metrics.ascent = LGLYPH_ASCENT (g);
- metrics.descent = LGLYPH_DESCENT (g);
- if (NILP (LGLYPH_ADJUSTMENT (g)))
- {
- metrics.width = LGLYPH_WIDTH (g);
- if (LGLYPH_CHAR (g) == 0 || metrics.width == 0)
- need_composition = 1;
- }
- else
- {
- metrics.width = LGLYPH_WADJUST (g);
- metrics.lbearing += LGLYPH_XOFF (g);
- metrics.rbearing += LGLYPH_XOFF (g);
- metrics.ascent -= LGLYPH_YOFF (g);
- metrics.descent += LGLYPH_YOFF (g);
- need_composition = 1;
- }
- for (j = i + 1; j < len; j++)
- {
- int x;
- g = LGSTRING_GLYPH (gstring, j);
- if (this_from != LGLYPH_FROM (g))
- break;
- need_composition = 1;
- x = metrics.width + LGLYPH_LBEARING (g) + LGLYPH_XOFF (g);
- if (metrics.lbearing > x)
- metrics.lbearing = x;
- x = metrics.width + LGLYPH_RBEARING (g) + LGLYPH_XOFF (g);
- if (metrics.rbearing < x)
- metrics.rbearing = x;
- x = LGLYPH_ASCENT (g) - LGLYPH_YOFF (g);
- if (metrics.ascent < x)
- metrics.ascent = x;
- x = LGLYPH_DESCENT (g) - LGLYPH_YOFF (g);
- if (metrics.descent < x)
- metrics.descent = x;
- if (NILP (LGLYPH_ADJUSTMENT (g)))
- metrics.width += LGLYPH_WIDTH (g);
- else
- metrics.width += LGLYPH_WADJUST (g);
- }
+ glyph = LGSTRING_GLYPH (gstring, 0);
+ from = LGLYPH_FROM (glyph);
+ to = LGLYPH_TO (glyph);
+ for (i = 1, j = 0; i < LGSTRING_GLYPH_LEN (gstring); i++)
+ {
+ Lisp_Object this = LGSTRING_GLYPH (gstring, i);
- if (need_composition)
+ if (NILP (this))
+ break;
+ if (NILP (LGLYPH_ADJUSTMENT (this)))
{
- gstr = Ffont_make_gstring (font_object, make_number (j - i));
- LGSTRING_SET_WIDTH (gstr, metrics.width);
- LGSTRING_SET_LBEARING (gstr, metrics.lbearing);
- LGSTRING_SET_RBEARING (gstr, metrics.rbearing);
- LGSTRING_SET_ASCENT (gstr, metrics.ascent);
- LGSTRING_SET_DESCENT (gstr, metrics.descent);
- for (k = i; i < j; i++)
- {
- Lisp_Object g = LGSTRING_GLYPH (gstring, i);
-
- LGLYPH_SET_FROM (g, LGLYPH_FROM (g) - this_from);
- LGLYPH_SET_TO (g, LGLYPH_TO (g) - this_from);
- LGSTRING_SET_GLYPH (gstr, i - k, LGSTRING_GLYPH (gstring, i));
- }
- from = make_number (start + this_from);
- to = make_number (start + this_to);
- if (NILP (string))
- Fcompose_region_internal (from, to, gstr, Qnil);
- else
- Fcompose_string_internal (string, from, to, gstr, Qnil);
+ if (j < i - 1)
+ for (; j < i; j++)
+ {
+ glyph = LGSTRING_GLYPH (gstring, j);
+ LGLYPH_SET_FROM (glyph, from);
+ LGLYPH_SET_TO (glyph, to);
+ }
+ from = LGLYPH_FROM (this);
+ to = LGLYPH_TO (this);
+ j = i;
}
else
- i = j;
+ {
+ if (from > LGLYPH_FROM (this))
+ from = LGLYPH_FROM (this);
+ if (to < LGLYPH_TO (this))
+ to = LGLYPH_TO (this);
+ }
}
+ if (j < i - 1)
+ for (; j < i; j++)
+ {
+ glyph = LGSTRING_GLYPH (gstring, j);
+ LGLYPH_SET_FROM (glyph, from);
+ LGLYPH_SET_TO (glyph, to);
+ }
+ return composition_gstring_put_cache (gstring, XINT (n));
+}
- return to;
+DEFUN ("font-variation-glyphs", Ffont_variation_glyphs, Sfont_variation_glyphs,
+ 2, 2, 0,
+ doc: /* Return a list of variation glyphs for CHAR in FONT-OBJECT.
+Each element of the value is a cons (VARIATION-SELECTOR . GLYPH-ID),
+where
+ VARIATION-SELECTOR is a chracter code of variation selection
+ (#xFE00..#xFE0F or #xE0100..#xE01EF)
+ GLYPH-ID is a glyph code of the corresponding variation glyph. */)
+ (font_object, character)
+ Lisp_Object font_object, character;
+{
+ unsigned variations[256];
+ struct font *font;
+ int i, n;
+ Lisp_Object val;
+
+ CHECK_FONT_OBJECT (font_object);
+ CHECK_CHARACTER (character);
+ font = XFONT_OBJECT (font_object);
+ if (! font->driver->get_variation_glyphs)
+ return Qnil;
+ n = font->driver->get_variation_glyphs (font, XINT (character), variations);
+ if (! n)
+ return Qnil;
+ val = Qnil;
+ for (i = 0; i < 255; i++)
+ if (variations[i])
+ {
+ Lisp_Object code;
+ int vs = (i < 16 ? 0xFE00 + i : 0xE0100 + (i - 16));
+ /* Stops GCC whining about limited range of data type. */
+ EMACS_INT var = variations[i];
+
+ if (var > MOST_POSITIVE_FIXNUM)
+ code = Fcons (make_number ((variations[i]) >> 16),
+ make_number ((variations[i]) & 0xFFFF));
+ else
+ code = make_number (variations[i]);
+ val = Fcons (Fcons (make_number (vs), code), val);
+ }
+ return val;
}
#if 0
{
CHECK_NUMBER_OR_FLOAT (size);
if (FLOATP (size))
- isize = POINT_TO_PIXEL (- isize, XFRAME (frame)->resy);
+ isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy);
else
isize = XINT (size);
if (isize == 0)
{
int i, j;
Lisp_Object table, elt;
-
+
table = Fmake_vector (make_number (nelement), Qnil);
for (i = 0; i < nelement; i++)
{
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 (entry[i].names[j]));
ASET (table, i, elt);
}
return table;
static Lisp_Object Vfont_log;
static int font_log_env_checked;
+/* 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
+ called next time. At that time, ACTION is set back to nil. */
+static Lisp_Object Vfont_log_deferred;
+
+/* Prepend the font-related logging data in Vfont_log if it is not
+ `t'. ACTION describes a kind of font-related action (e.g. listing,
+ opening), ARG is the argument for the action, and RESULT is the
+ result of the action. */
void
font_add_log (action, arg, result)
char *action;
}
if (EQ (Vfont_log, Qt))
return;
+ if (STRINGP (AREF (Vfont_log_deferred, 0)))
+ {
+ char *str = (char *) SDATA (AREF (Vfont_log_deferred, 0));
+
+ ASET (Vfont_log_deferred, 0, Qnil);
+ font_add_log (str, AREF (Vfont_log_deferred, 1),
+ AREF (Vfont_log_deferred, 2));
+ }
+
if (FONTP (arg))
- arg = Ffont_xlfd_name (arg, Qt);
+ {
+ Lisp_Object tail, elt;
+ Lisp_Object equalstr = build_string ("=");
+
+ val = Ffont_xlfd_name (arg, Qt);
+ for (tail = AREF (arg, FONT_EXTRA_INDEX); CONSP (tail);
+ tail = XCDR (tail))
+ {
+ elt = XCAR (tail);
+ if (EQ (XCAR (elt), QCscript)
+ && SYMBOLP (XCDR (elt)))
+ val = concat3 (val, SYMBOL_NAME (QCscript),
+ concat2 (equalstr, SYMBOL_NAME (XCDR (elt))));
+ else if (EQ (XCAR (elt), QClang)
+ && SYMBOLP (XCDR (elt)))
+ val = concat3 (val, SYMBOL_NAME (QClang),
+ concat2 (equalstr, SYMBOL_NAME (XCDR (elt))));
+ else if (EQ (XCAR (elt), QCotf)
+ && CONSP (XCDR (elt)) && SYMBOLP (XCAR (XCDR (elt))))
+ val = concat3 (val, SYMBOL_NAME (QCotf),
+ concat2 (equalstr,
+ SYMBOL_NAME (XCAR (XCDR (elt)))));
+ }
+ arg = val;
+ }
if (FONTP (result))
- result = Ffont_xlfd_name (result, Qt);
+ {
+ val = Ffont_xlfd_name (result, Qt);
+ if (! FONT_SPEC_P (result))
+ val = concat3 (SYMBOL_NAME (AREF (result, FONT_TYPE_INDEX)),
+ build_string (":"), val);
+ result = val;
+ }
else if (CONSP (result))
{
result = Fcopy_sequence (result);
Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log);
}
+/* Record a font-related logging data to be added to Vfont_log when
+ font_add_log is called next time. ACTION, ARG, RESULT are the same
+ as font_add_log. */
+
+void
+font_deferred_log (action, arg, result)
+ char *action;
+ Lisp_Object arg, result;
+{
+ ASET (Vfont_log_deferred, 0, build_string (action));
+ ASET (Vfont_log_deferred, 1, arg);
+ ASET (Vfont_log_deferred, 2, result);
+}
+
extern void syms_of_ftfont P_ (());
extern void syms_of_xfont P_ (());
extern void syms_of_xftfont P_ (());
extern void syms_of_bdffont P_ (());
extern void syms_of_w32font P_ (());
extern void syms_of_atmfont P_ (());
+extern void syms_of_nsfont P_ (());
void
syms_of_font ()
{
- sort_shift_bits[FONT_SLANT_INDEX] = 0;
- sort_shift_bits[FONT_WEIGHT_INDEX] = 7;
- sort_shift_bits[FONT_SIZE_INDEX] = 14;
- sort_shift_bits[FONT_WIDTH_INDEX] = 21;
- sort_shift_bits[FONT_ADSTYLE_INDEX] = 28;
- sort_shift_bits[FONT_FOUNDRY_INDEX] = 29;
- sort_shift_bits[FONT_FAMILY_INDEX] = 30;
- /* Note that sort_shift_bits[FONT_SORT_TYPE] and
- sort_shift_bits[FONT_SORT_REGISTRY] are never used. */
+ sort_shift_bits[FONT_TYPE_INDEX] = 0;
+ sort_shift_bits[FONT_SLANT_INDEX] = 2;
+ sort_shift_bits[FONT_WEIGHT_INDEX] = 9;
+ sort_shift_bits[FONT_SIZE_INDEX] = 16;
+ sort_shift_bits[FONT_WIDTH_INDEX] = 23;
+ /* Note that the other elements in sort_shift_bits are not used. */
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 (Qunicode_bmp, "unicode-bmp");
DEFSYM (Qunicode_sip, "unicode-sip");
+ DEFSYM (QCf, "Cf");
+
DEFSYM (QCotf, ":otf");
DEFSYM (QClang, ":lang");
DEFSYM (QCscript, ":script");
staticpro (&scratch_font_prefer);
scratch_font_prefer = Ffont_spec (0, NULL);
+ staticpro (&Vfont_log_deferred);
+ Vfont_log_deferred = Fmake_vector (make_number (3), Qnil);
+
#if 0
#ifdef HAVE_LIBOTF
staticpro (&otf_list);
defsubr (&Sfontp);
defsubr (&Sfont_spec);
defsubr (&Sfont_get);
+#ifdef HAVE_WINDOW_SYSTEM
+ defsubr (&Sfont_face_attributes);
+#endif
defsubr (&Sfont_put);
defsubr (&Slist_fonts);
defsubr (&Sfont_family_list);
defsubr (&Sfind_font);
defsubr (&Sfont_xlfd_name);
defsubr (&Sclear_font_cache);
- defsubr (&Sfont_make_gstring);
- defsubr (&Sfont_fill_gstring);
- defsubr (&Sfont_shape_text);
+ defsubr (&Sfont_shape_gstring);
+ defsubr (&Sfont_variation_glyphs);
#if 0
defsubr (&Sfont_drive_otf);
defsubr (&Sfont_otf_alternates);
doc: /* Vector of valid font weight values.
Each element has the form:
[NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...]
-NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symobls. */);
+NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symbols. */);
Vfont_weight_table = BUILD_STYLE_TABLE (weight_table);
DEFVAR_LISP_NOPRO ("font-slant-table", &Vfont_slant_table,
doc: /* Vector of font slant symbols vs the corresponding numeric values.
-See `font-weight_table' for the format of the vector. */);
+See `font-weight-table' for the format of the vector. */);
Vfont_slant_table = BUILD_STYLE_TABLE (slant_table);
DEFVAR_LISP_NOPRO ("font-width-table", &Vfont_width_table,
doc: /* Alist of font width symbols vs the corresponding numeric values.
-See `font-weight_table' for the format of the vector. */);
+See `font-weight-table' for the format of the vector. */);
Vfont_width_table = BUILD_STYLE_TABLE (width_table);
staticpro (&font_style_table);
#ifdef WINDOWSNT
syms_of_w32font ();
#endif /* WINDOWSNT */
-#ifdef MAC_OS
- syms_of_atmfont ();
-#endif /* MAC_OS */
+#ifdef HAVE_NS
+ syms_of_nsfont ();
+#endif /* HAVE_NS */
#endif /* HAVE_WINDOW_SYSTEM */
}
HCoop / bpt / emacs.git / blobdiff