+ (define (make-node fprops size-family)
+ (if (null? fprops)
+ (make-font-tree-leaf (car size-family) (cdr size-family))
+ (let* ((qual (next-qualifier default-qualifier-order fprops)))
+ (make-font-tree-node qual
+ (assoc-get qual fprops)))))
+
+ (define (next-qualifier order props)
+ (cond
+ ((and (null? props) (null? order))
+ #f)
+ ((null? props) (car order))
+ ((null? order) (caar props))
+ (else
+ (if (assoc-get (car order) props)
+ (car order)
+ (next-qualifier (cdr order) props)))))
+
+ (let* ((q (font-qualifier node))
+ (d (font-default node))
+ (v (assoc-get q fprops d))
+ (new-fprops (assoc-delete q fprops))
+ (child (hashq-ref (slot-ref node 'children)
+ v #f)))
+
+
+ (if (not child)
+ (begin
+ (set! child (make-node new-fprops size-family))
+ (hashq-set! (slot-ref node 'children) v child)))
+ (if (pair? new-fprops)
+ (add-font child new-fprops size-family))))
+
+
+(define-method (add-font (node <Font-tree-leaf>) fprops size-family)
+ (throw "must add to node, not leaf"))
+
+
+(define-method (g-lookup-font (node <Font-tree-node>) alist-chain)
+ (let* ((qual (font-qualifier node))
+ (def (font-default node))
+ (val (chain-assoc-get qual alist-chain def))
+ (desired-child (hashq-ref (font-children node) val)))
+
+ (if desired-child
+ (g-lookup-font desired-child alist-chain)
+ (g-lookup-font (hashq-ref (font-children node) def) alist-chain))))
+
+
+(define-method (g-lookup-font (node <Font-tree-leaf>) alist-chain)
+ node)
+
+;; two step call is handy for debugging.
+(define (lookup-font node alist-chain)
+ (g-lookup-font node alist-chain))
+
+;; Each size family is a vector of fonts, loaded with a delay. The
+;; vector should be sorted according to ascending design size.
+(define feta-alphabet-size-vector
+ (if (defined? 'ly:kpathsea-find-file)
+ `#(,(delay (ly:font-load "feta-alphabet11"))
+ ,(delay (ly:font-load "feta-alphabet13"))
+ ,(delay (ly:font-load "feta-alphabet14"))
+ ,(delay (ly:font-load "feta-alphabet16"))
+ ,(delay (ly:font-load "feta-alphabet18"))
+ ,(delay (ly:font-load "feta-alphabet20"))
+ ,(delay (ly:font-load "feta-alphabet23"))
+ ,(delay (ly:font-load "feta-alphabet26")))
+ (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))))))
+
+(define-public (add-music-fonts node factor)
+ (for-each
+ (lambda (x)
+ (add-font node
+ (list (cons 'font-encoding (car x)))
+ (cons (* factor (cadr x))
+ (caddr x))))
+ `((fetaDynamic ,(ly:pt 20.0) ,feta-alphabet-size-vector)
+ (fetaNumber ,(ly:pt 20.0) ,feta-alphabet-size-vector)
+ (fetaMusic ,(ly:pt 20.0)
+ #(,(delay (ly:font-load "emmentaler-11"))
+ ,(delay (ly:font-load "emmentaler-13"))
+ ,(delay (ly:font-load "emmentaler-14"))
+ ,(delay (ly:font-load "emmentaler-16"))
+ ,(delay (ly:font-load "emmentaler-18"))
+ ,(delay (ly:font-load "emmentaler-20"))
+ ,(delay (ly:font-load "emmentaler-23"))
+ ,(delay (ly:font-load "emmentaler-26"))))
+
+ (fetaBraces ,(ly:pt 20.0) #(,(delay
+ (ly:font-load "aybabtu")))))))
+
+(define-public (add-cmr-fonts node factor)
+ (add-font node '((font-encoding . TeX-math))
+ `(,(* factor 10) . #(,(delay (ly:font-load "msam10")))))
+ (for-each
+ (lambda (x)
+ (add-font node `((font-encoding . TeX-text)
+ (font-series . ,(vector-ref (car x) 2))
+ (font-shape . ,(vector-ref (car x) 1))
+ (font-family . ,(vector-ref (car x) 0)))
+ (cons (* factor (cadr x))
+ (cddr x))))
+ `((#(roman upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmr6"))
+ ,(delay (ly:font-load "cmr8"))
+ ,(delay (ly:font-load "cmr10"))
+ ,(delay (ly:font-load "cmr17")))))
+ (#(roman upright bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmbx6"))
+ ,(delay (ly:font-load "cmbx8"))
+ ,(delay (ly:font-load "cmbx10"))
+ ,(delay (ly:font-load "cmbx12")))))
+ (#(roman italic medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmti7"))
+ ,(delay (ly:font-load "cmti10"))
+ ,(delay (ly:font-load "cmti12")))))
+ (#(roman italic bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmbxti8"))
+ ,(delay (ly:font-load "cmbxti10"))
+ ,(delay (ly:font-load "cmbxti14")))))
+ (#(roman caps medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmcsc10")))))
+ (#(roman upright bold-narrow )
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmb10")))))
+ (#(sans upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmss8"))
+ ,(delay (ly:font-load "cmss10"))
+ ,(delay (ly:font-load "cmss12"))
+ ,(delay (ly:font-load "cmss17")))))
+ (#(typewriter upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "cmtt8"))
+ ,(delay (ly:font-load "cmtt10"))
+ ,(delay (ly:font-load "cmtt12"))))))))
+
+;; Debian lmodern font support.
+(define-public (add-cork-lm-fonts node factor)
+ (for-each
+ (lambda (x)
+ (add-font node `((font-encoding . cork-lm)
+ (font-series . ,(vector-ref (car x) 2))
+ (font-shape . ,(vector-ref (car x) 1))
+ (font-family . ,(vector-ref (car x) 0)))
+ (cons (* factor (cadr x)) (cddr x))))
+ `((#(roman upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmr6"))
+ ,(delay (ly:font-load "lmr8"))
+ ,(delay (ly:font-load "lmr10"))
+ ,(delay (ly:font-load "lmr17")))))
+ (#(roman upright bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmbx6"))
+ ,(delay (ly:font-load "lmbx8"))
+ ,(delay (ly:font-load "lmbx10"))
+ ,(delay (ly:font-load "lmbx12")))))
+ (#(roman italic medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmri7"))
+ ,(delay (ly:font-load "lmri10"))
+ ,(delay (ly:font-load "lmri12")))))
+ (#(roman italic bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmbxi10")))))
+ (#(roman caps medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmcsc10")))))
+ (#(roman upright bold-narrow )
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmb10")))))
+ (#(sans upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmss8"))
+ ,(delay (ly:font-load "lmss10"))
+ ,(delay (ly:font-load "lmss12"))
+ ,(delay (ly:font-load "lmss17")))))
+ (#(sans upright bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmssbx10")))))
+
+ (#(typewriter upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "lmtt8"))
+ ,(delay (ly:font-load "lmtt10"))
+ ,(delay (ly:font-load "lmtt12"))))))))
+
+;; ec-fonts-mftraced font support.
+(define-public (add-ec-fonts node factor)
+ (for-each
+ (lambda (x) (add-font node
+ `((font-encoding . Extended-TeX-Font-Encoding---Latin)
+ (font-series . ,(vector-ref (car x) 2))
+ (font-shape . ,(vector-ref (car x) 1))
+ (font-family . ,(vector-ref (car x) 0)))
+ (cons (* factor (cadr x)) (cddr x))))
+
+ `((#(roman upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecrm6"))
+ ,(delay (ly:font-load "ecrm8"))
+ ,(delay (ly:font-load "ecrm10"))
+ ,(delay (ly:font-load "ecrm17")))))
+ (#(roman upright bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecbx6"))
+ ,(delay (ly:font-load "ecbx8"))
+ ,(delay (ly:font-load "ecbx10"))
+ ,(delay (ly:font-load "ecbx12")))))
+ (#(roman italic medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecti7"))
+ ,(delay (ly:font-load "ecti10"))
+ ,(delay (ly:font-load "ecti12")))))
+ (#(roman italic bold)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecbi8"))
+ ,(delay (ly:font-load "ecbi10"))
+ ,(delay (ly:font-load "ecbi14")))))
+ (#(roman caps medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "eccc10")))))
+ (#(roman slanted-caps medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecsc10")))))
+ (#(roman upright bold-narrow )
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecrb10")))))
+ (#(sans upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ecss8"))
+ ,(delay (ly:font-load "ecss10"))
+ ,(delay (ly:font-load "ecss12"))
+ ,(delay (ly:font-load "ecss17")))))
+ (#(typewriter upright medium)
+ . (,(ly:pt 10.0) . #(,(delay (ly:font-load "ectt8"))
+ ,(delay (ly:font-load "ectt10"))
+ ,(delay (ly:font-load "ectt12"))))))))
+
+(define-public (add-pango-fonts node lily-family family factor)
+ (define (add-node shape series)
+ (add-font node
+ `((font-family . ,lily-family)
+ (font-shape . ,shape)
+ (font-series . ,series)
+ (font-encoding . latin1) ;; ugh.
+ )
+
+ `(,(ly:pt (* factor 11.0))
+ . #(,(cons
+ (ly:pt 12)
+ (ly:make-pango-description-string
+ `(((font-family . ,family)
+ (font-series . ,series)
+ (font-shape . ,shape)))
+ (ly:pt 12)))))))
+
+ (add-node 'upright 'normal)
+ (add-node 'caps 'normal)
+ (add-node 'upright 'bold)
+ (add-node 'italic 'normal)
+ (add-node 'italic 'bold))
+
+(define-public (make-cmr-tree factor)
+ (let*
+ ((n (make-font-tree-node 'font-encoding 'fetaMusic))
+ (module (resolve-module '(scm kpathsea)))
+ (find (eval 'ly:kpathsea-find-file module))
+ )
+ (add-music-fonts n factor)
+ (add-cmr-fonts n factor)