negative if that information is not in the font. */
int underline_position;
- /* 1 if `vertical-centering-font-regexp' matches this font name.
+ /* True if `vertical-centering-font-regexp' matches this font name.
In this case, we render characters at vertical center positions
of lines. */
- int vertical_centering;
-
- /* Encoding type of the font. The value is one of
- 0, 1, 2, or 3:
- 0: code points 0x20..0x7F or 0x2020..0x7F7F are used
- 1: code points 0xA0..0xFF or 0xA0A0..0xFFFF are used
- 2: code points 0x20A0..0x7FFF are used
- 3: code points 0xA020..0xFF7F are used
- If the member `font_encoder' is not NULL, this member is ignored. */
- unsigned char encoding_type;
+ bool vertical_centering;
/* The baseline position of a font is normally `ascent' value of the
font. However, there exist many fonts which don't set `ascent' to
/* Symbol indicating the type of the font-driver. */
Lisp_Object type;
- /* 1 iff the font's foundry, family, and adstyle names are case
+ /* True iff the font's foundry, family, and adstyle names are case
sensitive. */
- int case_sensitive;
+ bool case_sensitive;
/* Return a cache of font-entities on frame F. The cache must be a
cons whose cdr part is the actual cache area. */
/* Optional.
Draw glyphs between FROM and TO of S->char2b at (X Y) pixel
- position of frame F with S->FACE and S->GC. If WITH_BACKGROUND
- is nonzero, fill the background in advance. It is assured that
- WITH_BACKGROUND is zero when (FROM > 0 || TO < S->nchars). */
+ position of frame F with S->FACE and S->GC. If WITH_BACKGROUND,
+ fill the background in advance. It is assured that WITH_BACKGROUND
+ is false when (FROM > 0 || TO < S->nchars). */
int (*draw) (struct glyph_string *s, int from, int to,
- int x, int y, int with_background);
+ int x, int y, bool with_background);
/* Optional.
Store bitmap data for glyph-code CODE of FONT in BITMAP. It is
short, return -1. */
int (*otf_drive) (struct font *font, Lisp_Object features,
Lisp_Object gstring_in, int from, int to,
- Lisp_Object gstring_out, int idx, int alternate_subst);
+ Lisp_Object gstring_out, int idx, bool alternate_subst);
/* Optional.
Make the font driver ready for frame F. Usually this function
Return non-zero if FONT_OBJECT can be used as a (cached) font
for ENTITY on frame F. */
- int (*cached_font_ok) (struct frame *f,
- Lisp_Object font_object,
- Lisp_Object entity);
+ bool (*cached_font_ok) (struct frame *f,
+ Lisp_Object font_object,
+ Lisp_Object entity);
};
struct font_driver_list
{
- /* 1 iff this driver is currently used. It is ignored in the global
+ /* True iff this driver is currently used. It is ignored in the global
font driver list.*/
- int on;
+ bool on;
/* Pointer to the font driver. */
struct font_driver *driver;
/* Pointer to the next element of the chain. */
extern int font_registry_charsets (Lisp_Object, struct charset **,
struct charset **);
extern int font_style_to_value (enum font_property_index prop,
- Lisp_Object name, int noerror);
+ Lisp_Object name, bool noerror);
extern Lisp_Object font_style_symbolic (Lisp_Object font,
enum font_property_index prop,
- int for_face);
+ bool for_face);
-extern int font_match_p (Lisp_Object spec, Lisp_Object font);
+extern bool font_match_p (Lisp_Object spec, Lisp_Object font);
extern Lisp_Object font_list_entities (Lisp_Object frame,
Lisp_Object spec);
extern Lisp_Object font_open_by_name (FRAME_PTR f, Lisp_Object name);
extern Lisp_Object font_intern_prop (const char *str, ptrdiff_t len,
- int force_symbol);
+ bool force_symbol);
extern void font_update_sort_order (int *order);
extern void font_parse_family_registry (Lisp_Object family,