;; lookup-font should be written in C.
;;
+;; We have a tree, where each level of the tree is a qualifier
+;; (eg. encoding, family, shape, series etc.) this defines the levels
+;; in the tree. The first one is encoding, so we can directly select
+;; between text or music in the first step of the selection.
+(define default-qualifier-order
+ '(font-encoding font-family font-shape font-series))
+
(define-class <Font-tree-element>
())
(hash-table->alist (font-children node)))
(display "} }\n"))
-(define default-qualifier-order
- '(font-encoding font-family font-shape font-series))
(define-method (add-font (node <Font-tree-node>) fprops size-family)
(define (assoc-delete key alist)
(define (lookup-font node alist-chain)
(g-lookup-font node alist-chain))
-
-;; Ugh. Currently, we load the PFB Feta fonts for `fetaDynamic' with
-;; Pango. This should be changed to load the Emmentaler fonts instead
-;; (with Pango too), but then we need support for a `font-style'
-;; property which isn't implemented yet.
-(define feta-alphabet-size-vector
- (list->vector
- (map (lambda (tup)
- (cons (ly:pt (cdr tup))
- (format "feta-alphabet~a ~a"
- (car tup)
- (ly:pt (cdr tup)))))
- '((11 . 11.22)
- (13 . 12.60)
- (14 . 14.14)
- (16 . 15.87)
- (18 . 17.82)
- (20 . 20)
- (23 . 22.45)
- (26 . 25.20)))))
+;; TODO - we could actually construct this by loading all OTFs and
+;; inspecting their design size fields.
+(define-public feta-design-size-mapping
+ '((11 . 11.22)
+ (13 . 12.60)
+ (14 . 14.14)
+ (16 . 15.87)
+ (18 . 17.82)
+ (20 . 20)
+ (23 . 22.45)
+ (26 . 25.20)))
;; Each size family is a vector of fonts, loaded with a delay. The
;; vector should be sorted according to ascending design size.
-(define-public (add-music-fonts node name family design-size-list factor)
- "Add fonts to NODE. DESIGN-SIZE-LIST is a list of numbers."
+(define-public (add-music-fonts node name family design-size-alist factor)
+ "Setup music fonts.
+
+Arguments:
+ NODE the font tree to modify.
+ NAME is the basename for the music font. NAME-DESIGNSIZE.otf should be the music font,
+ NAME-brace.otf should have piano braces.
+ DESIGN-SIZE-ALIST is a list of (ROUNDED . DESIGN-SIZE). ROUNDED is
+ as suffix for font filenames, while DESIGN-SIZE should be the actual
+ design size. The latter is used for text fonts loaded through
+ pango/fontconfig
+ FACTOR is size factor relative to default size that is being used.
+ This is used to select the proper design size for the text fonts.
+"
(for-each
(lambda (x)
(add-font node
(cons 'font-family family))
(cons (* factor (cadr x))
(caddr x))))
- `((fetaDynamic ,(ly:pt 20.0) ,feta-alphabet-size-vector)
- (fetaNumber ,(ly:pt 20.0) ,feta-alphabet-size-vector)
+
+ `((fetaText ,(ly:pt 20.0)
+ ,(list->vector
+ (map (lambda (tup)
+ (cons (ly:pt (cdr tup))
+ (format "~a-~a ~a"
+ name
+ (car tup)
+ (ly:pt (cdr tup)))))
+ design-size-alist)))
(fetaMusic ,(ly:pt 20.0)
,(list->vector
- (map (lambda (size)
- (delay (ly:system-font-load (format "~a-~a" name size))))
- design-size-list
+ (map (lambda (size-tup)
+ (delay (ly:system-font-load
+ (format "~a-~a" name (car size-tup)))))
+ design-size-alist
)))
(fetaBraces ,(ly:pt 20.0)
#(,(delay (ly:system-font-load
(define-public (make-pango-font-tree roman-str sans-str typewrite-str factor)
(let ((n (make-font-tree-node 'font-encoding 'fetaMusic)))
- (add-music-fonts n "emmentaler" 'feta '(11 13 14 16 18 20 23 26) factor)
-;; Let's not do this [yet], see input/regression/gonville.ly
-;; (add-music-fonts n "gonville" 'gonville factor)
+ (add-music-fonts n "emmentaler" 'feta feta-design-size-mapping factor)
(add-pango-fonts n 'roman roman-str factor)
(add-pango-fonts n 'sans sans-str factor)
(add-pango-fonts n 'typewriter typewrite-str factor)
(define-public all-music-font-encodings
'(fetaBraces
- fetaDynamic
fetaMusic
- fetaNumber))
+ fetaText))
(define-public (magstep s)
(exp (* (/ s 6) (log 2))))
projects / lilypond.git / blobdiff