/* xfaces.c -- "Face" primitives.
-Copyright (C) 1993-1994, 1998-2011 Free Software Foundation, Inc.
+Copyright (C) 1993-1994, 1998-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
attributes (1st thru 5th) are updated from the spec.
On the other hand, if one of the other font-related attributes are
- specified, the correspoinding specs in this attribute is set to nil.
+ specified, the corresponding specs in this attribute is set to nil.
15. A face name or list of face names from which to inherit attributes.
else if (CONSP (object))
{
/* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and
- HEIGHT must be integers > 0, and DATA must be string large
+ HEIGHT must be ints > 0, and DATA must be string large
enough to hold a bitmap of the specified size. */
Lisp_Object width, height, data;
}
if (STRINGP (data)
- && INTEGERP (width) && 0 < XINT (width)
- && INTEGERP (height) && 0 < XINT (height))
+ && RANGED_INTEGERP (1, width, INT_MAX)
+ && RANGED_INTEGERP (1, height, INT_MAX))
{
- EMACS_INT bytes_per_row = ((XINT (width) + BITS_PER_CHAR - 1)
- / BITS_PER_CHAR);
+ int bytes_per_row = ((XINT (width) + BITS_PER_CHAR - 1)
+ / BITS_PER_CHAR);
if (XINT (height) <= SBYTES (data) / bytes_per_row)
pixmap_p = 1;
}
int gray_p;
if (defined_color (f, color_name, &color, 0))
- gray_p = (/* Any color sufficiently close to black counts as grey. */
+ gray_p = (/* Any color sufficiently close to black counts as gray. */
(color.red < 5000 && color.green < 5000 && color.blue < 5000)
||
((eabs (color.red - color.green)
else
{
if (INTEGERP (val1))
- result = INTEGERP (val2) ? XINT (val1) - XINT (val2) : -1;
+ result = (INTEGERP (val2) && XINT (val1) >= XINT (val2)
+ ? XINT (val1) > XINT (val2)
+ : -1);
else
result = INTEGERP (val2) ? 1 : 0;
}
(Lisp_Object family, Lisp_Object frame)
{
Lisp_Object font_spec, list, *drivers, vec;
- int i, nfonts, ndrivers;
+ ptrdiff_t i, nfonts;
+ EMACS_INT ndrivers;
Lisp_Object result;
+ USE_SAFE_ALLOCA;
if (NILP (frame))
frame = selected_frame;
font_props_for_sorting[i++] = FONT_REGISTRY_INDEX;
ndrivers = XINT (Flength (list));
- drivers = alloca (sizeof (Lisp_Object) * ndrivers);
+ SAFE_ALLOCA_LISP (drivers, ndrivers);
for (i = 0; i < ndrivers; i++, list = XCDR (list))
drivers[i] = XCAR (list);
vec = Fvconcat (ndrivers, drivers);
result = Fcons (v, result);
}
+ SAFE_FREE ();
return result;
}
{
if (INTEGERP (to))
/* relative X absolute => absolute */
- result = make_number ((EMACS_INT)(XFLOAT_DATA (from) * XINT (to)));
+ result = make_number (XFLOAT_DATA (from) * XINT (to));
else if (FLOATP (to))
/* relative X relative => relative */
result = make_float (XFLOAT_DATA (from) * XFLOAT_DATA (to));
property `face' of the Lisp face name. */
if (next_lface_id == lface_id_to_name_size)
lface_id_to_name =
- xpalloc (lface_id_to_name, &lface_id_to_name_size, 1,
- min (INT_MAX, MOST_POSITIVE_FIXNUM),
+ xpalloc (lface_id_to_name, &lface_id_to_name_size, 1, MAX_FACE_ID,
sizeof *lface_id_to_name);
lface_id_to_name[next_lface_id] = face;
/* Changing the background color might change the background
mode, so that we have to load new defface specs.
- Call frame-update-face-colors to do that. */
+ Call frame-set-background-mode to do that. */
XSETFRAME (frame, f);
call1 (Qframe_set_background_mode, frame);
static int
color_distance (XColor *x, XColor *y)
{
- /* This formula is from a paper title `Colour metric' by Thiadmer Riemersma.
+ /* This formula is from a paper titled `Colour metric' by Thiadmer Riemersma.
Quoting from that paper:
This formula has results that are very close to L*u*v* (with the
modified lightness curve) and, more importantly, it is a more even
- algorithm: it does not have a range of colours where it suddenly
+ algorithm: it does not have a range of colors where it suddenly
gives far from optimal results.
See <http://www.compuphase.com/cmetric.htm> for more info. */
realize_basic_faces (struct frame *f)
{
int success_p = 0;
- int count = SPECPDL_INDEX ();
+ ptrdiff_t count = SPECPDL_INDEX ();
/* Block input here so that we won't be surprised by an X expose
event, for instance, without having the faces set up. */
The face returned is suitable for displaying ASCII characters. */
int
-face_at_buffer_position (struct window *w, EMACS_INT pos,
- EMACS_INT region_beg, EMACS_INT region_end,
- EMACS_INT *endptr, EMACS_INT limit,
+face_at_buffer_position (struct window *w, ptrdiff_t pos,
+ ptrdiff_t region_beg, ptrdiff_t region_end,
+ ptrdiff_t *endptr, ptrdiff_t limit,
int mouse, int base_face_id)
{
struct frame *f = XFRAME (w->frame);
ptrdiff_t i, noverlays;
Lisp_Object *overlay_vec;
Lisp_Object frame;
- EMACS_INT endpos;
+ ptrdiff_t endpos;
Lisp_Object propname = mouse ? Qmouse_face : Qface;
Lisp_Object limit1, end;
struct face *default_face;
/* Look at properties from overlays. */
{
- EMACS_INT next_overlay;
+ ptrdiff_t next_overlay;
GET_OVERLAYS_AT (pos, overlay_vec, noverlays, &next_overlay, 0);
if (next_overlay < endpos)
simply disregards the `face' properties of all overlays. */
int
-face_for_overlay_string (struct window *w, EMACS_INT pos,
- EMACS_INT region_beg, EMACS_INT region_end,
- EMACS_INT *endptr, EMACS_INT limit,
+face_for_overlay_string (struct window *w, ptrdiff_t pos,
+ ptrdiff_t region_beg, ptrdiff_t region_end,
+ ptrdiff_t *endptr, ptrdiff_t limit,
int mouse, Lisp_Object overlay)
{
struct frame *f = XFRAME (w->frame);
int
face_at_string_position (struct window *w, Lisp_Object string,
- EMACS_INT pos, EMACS_INT bufpos,
- EMACS_INT region_beg, EMACS_INT region_end,
- EMACS_INT *endptr, enum face_id base_face_id,
+ ptrdiff_t pos, ptrdiff_t bufpos,
+ ptrdiff_t region_beg, ptrdiff_t region_end,
+ ptrdiff_t *endptr, enum face_id base_face_id,
int mouse_p)
{
Lisp_Object prop, position, end, limit;
*/
int
-merge_faces (struct frame *f, Lisp_Object face_name, EMACS_INT face_id,
+merge_faces (struct frame *f, Lisp_Object face_name, int face_id,
int base_face_id)
{
Lisp_Object attrs[LFACE_VECTOR_SIZE];
#endif
DEFVAR_LISP ("font-list-limit", Vfont_list_limit,
- doc: /* *Limit for font matching.
+ doc: /* Limit for font matching.
If an integer > 0, font matching functions won't load more than
that number of fonts when searching for a matching font. */);
Vfont_list_limit = make_number (DEFAULT_FONT_LIST_LIMIT);
Vface_new_frame_defaults = Qnil;
DEFVAR_LISP ("face-default-stipple", Vface_default_stipple,
- doc: /* *Default stipple pattern used on monochrome displays.
+ doc: /* Default stipple pattern used on monochrome displays.
This stipple pattern is used on monochrome displays
instead of shades of gray for a face background color.
See `set-face-stipple' for possible values for this variable. */);
doc: /* Alist of face remappings.
Each element is of the form:
- (FACE REPLACEMENT...),
+ (FACE . REPLACEMENT),
-which causes display of the face FACE to use REPLACEMENT... instead.
-REPLACEMENT... is interpreted the same way as the value of a `face'
-text property: it may be (1) A face name, (2) A list of face names,
-(3) A property-list of face attribute/value pairs, or (4) A list of
-face names or lists containing face attribute/value pairs.
+which causes display of the face FACE to use REPLACEMENT instead.
+REPLACEMENT is a face specification, i.e. one of the following:
-Multiple entries in REPLACEMENT... are merged together to form the final
-result, with faces or attributes earlier in the list taking precedence
-over those that are later.
+ (1) a face name
+ (2) a property list of attribute/value pairs, or
+ (3) a list in which each element has the form of (1) or (2).
-Face-name remapping cycles are suppressed; recursive references use the
-underlying face instead of the remapped face. So a remapping of the form:
+List values for REPLACEMENT are merged to form the final face
+specification, with earlier entries taking precedence, in the same as
+as in the `face' text property.
+
+Face-name remapping cycles are suppressed; recursive references use
+the underlying face instead of the remapped face. So a remapping of
+the form:
(FACE EXTRA-FACE... FACE)
(FACE (FACE-ATTR VAL ...) FACE)
-will cause EXTRA-FACE... or (FACE-ATTR VAL ...) to be _merged_ with the
-existing definition of FACE. Note that for the default face, this isn't
-necessary, as every face inherits from the default face.
+causes EXTRA-FACE... or (FACE-ATTR VAL ...) to be _merged_ with the
+existing definition of FACE. Note that this isn't necessary for the
+default face, since every face inherits from the default face.
-Making this variable buffer-local is a good way to allow buffer-specific
-face definitions. For instance, the mode my-mode could define a face
-`my-mode-default', and then in the mode setup function, do:
+If this variable is made buffer-local, the face remapping takes effect
+only in that buffer. For instance, the mode my-mode could define a
+face `my-mode-default', and then in the mode setup function, do:
(set (make-local-variable 'face-remapping-alist)
'((default my-mode-default)))).
HCoop / bpt / emacs.git / blobdiff