Looking Up Fonts
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- Function: x-list-fonts pattern &optional face frame maximum
This function returns a list of available font names that match
PATTERN. If the optional arguments FACE and FRAME are specified,
then the list is limited to fonts that are the same size as FACE
currently is on FRAME.
The argument PATTERN should be a string, perhaps with wildcard
characters: the `*' character matches any substring, and the `?'
character matches any single character. Pattern matching of font
names ignores case.
If you specify FACE and FRAME, FACE should be a face name (a
symbol) and FRAME should be a frame.
The optional argument MAXIMUM sets a limit on how many fonts to
return. If this is non-`nil', then the return value is truncated
after the first MAXIMUM matching fonts. Specifying a small value
for MAXIMUM can make this function much faster, in cases where
many fonts match the pattern.
These additional functions are available starting in Emacs 21.
- Function: x-family-fonts &optional family frame
This function returns a list describing the available fonts for
family FAMILY on FRAME. If FAMILY is omitted or `nil', this list
applies to all families, and therefore, it contains all available
fonts. Otherwise, FAMILY must be a string; it may contain the
wildcards `?' and `*'.
The list describes the display that FRAME is on; if FRAME is
omitted or `nil', it applies to the selected frame's display
(Note:Input Focus).
The list contains a vector of the following form for each font:
[FAMILY WIDTH POINT-SIZE WEIGHT SLANT
FIXED-P FULL REGISTRY-AND-ENCODING]
The first five elements correspond to face attributes; if you
specify these attributes for a face, it will use this font.
The last three elements give additional information about the font.
FIXED-P is non-nil if the font is fixed-pitch. FULL is the full
name of the font, and REGISTRY-AND-ENCODING is a string giving the
registry and encoding of the font.
The result list is sorted according to the current face font sort
order.
- Function: x-font-family-list &optional frame
This function returns a list of the font families available for
FRAME's display. If FRAME is omitted or `nil', it describes the
selected frame's display (Note:Input Focus).
The value is a list of elements of this form:
(FAMILY . FIXED-P)
Here FAMILY is a font family, and FIXED-P is non-`nil' if fonts of
that family are fixed-pitch.
- Variable: font-list-limit
This variable specifies maximum number of fonts to consider in font
matching. The function `x-family-fonts' will not return more than
that many fonts, and font selection will consider only that many
fonts when searching a matching font for face attributes. The
default is currently 100.
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