+ (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-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))))
+ `((fetaNumber ,(ly:pt 20)
+ #(,(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"))))
+
+ (fetaDynamic ,(ly:pt 20.0) #(,(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"))))
+
+ (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 12.0))
+ . #(,(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 '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)))
+ (add-music-fonts n factor)
+ (add-cmr-fonts n factor)
+ (if (ly:kpathsea-find-file "lmr10.pfb")
+ (add-cork-lm-fonts n factor))
+ (if (ly:kpathsea-find-file "ecrm10.pfa")
+ (add-ec-fonts n factor))
+ n))
+
+(define-public (make-century-schoolbook-tree factor)
+ (let ((n (make-font-tree-node 'font-encoding 'fetaMusic)))
+ (add-music-fonts n factor)
+ (add-pango-fonts n 'roman "Century Schoolbook L" factor)
+ (add-pango-fonts n 'sans "Luxi Sans" factor)
+ n))
+
+(define-public (magstep x)
+ (exp (* (/ x 6) (log 2))))