+;;;; font.scm -- construct font trees
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
;; As an excercise, do it with records.
;; Should use GOOPS, really.
;;
(define-class <Font-tree-element>
- ()
- )
+ ())
+
(define-class <Font-tree-leaf> (<Font-tree-element>)
(default-size #:init-keyword #:default-size)
(define (make-font-tree-node
qualifier default)
(make <Font-tree-node>
- #:qualifier qualifier
- #:default default
- #:children (make-hash-table 11)))
+ #:qualifier qualifier
+ #:default default
+ #:children (make-hash-table 11)))
(define-method (display (leaf <Font-tree-leaf>) port)
(map (lambda (x) (display x port))
- (list
- "Font-size-family: \n"
- (slot-ref leaf 'default-size)
- (slot-ref leaf 'size-vector) )))
-
+ (list
+ "Font-size-family: \n"
+ (slot-ref leaf 'default-size)
+ (slot-ref leaf 'size-vector))))
+
(define-method (display (node <Font-tree-node>) port)
-
- (map
- (lambda (x)
- (display x port))
-
- (list
- "Font_node { \nqual: "
- (font-qualifier node)
- "(def: "
- (font-default node)
- ") {\n"))
- (for-each
- (lambda (x)
- (display "\n")
- (display (car x) port)
- (display "=" port)
- (display (cdr x) port))
- (hash-table->alist (font-children node)))
- (display "} } \n"))
+ (map
+ (lambda (x)
+ (display x port))
+
+ (list
+ "Font_node { \nqual: "
+ (font-qualifier node)
+ "(def: "
+ (font-default node)
+ ") {\n"))
+ (for-each
+ (lambda (x)
+ (display "\n")
+ (display (car x) port)
+ (display "=" port)
+ (display (cdr x) port))
+ (hash-table->alist (font-children node)))
+ (display "} } \n"))
(define default-qualifier-order
(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)))
+ (let* ((qual (next-qualifier default-qualifier-order fprops)))
(make-font-tree-node qual
- (assoc-get qual fprops)))
- ))
+ (assoc-get qual fprops)))))
+
(define (next-qualifier order props)
(cond
((and (null? props) (null? order))
(else
(if (assoc-get (car order) props)
(car order)
- (next-qualifier (cdr order) props))
- )))
+ (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)))
+ (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)
(define-method (g-lookup-font (node <Font-tree-node>) alist-chain)
- (let*
- ((qual (font-qualifier node))
+ (let* ((qual (font-qualifier node))
(def (font-default node))
(val (chain-assoc-get qual alist-chain def))
- (desired-font (lookup-font
- (hashq-ref (font-children node)
- val) alist-chain))
-
- (default (hashq-ref (font-children node) def))
- (font (if desired-font
- desired-font
- (g-lookup-font (hashq-ref (font-children node)
- def) alist-chain)))
- )
- font))
+ (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"))))))))
-(define-public (make-font-tree factor)
- (let*
- ((n (make-font-tree-node 'font-encoding 'music))
- )
-
- (for-each
- (lambda (x)
- (add-font n
- (list (cons 'font-encoding (car x)))
- (cons (* factor (cadr x))
- (caddr x))))
- '((number 10
- #((3.82 . "feta-nummer4")
- (5.5 . "feta-nummer6")
- (8.0 . "feta-nummer8")
- (10.0 . "feta-nummer10")
- (12.0 . "feta-nummer12")
- (16.0 . "feta-nummer16")))
- (dynamic 14.0 #((6.0 . "feta-din6")
- (8.0 . "feta-din8")
- (10.0 . "feta-din10")
- (12.0 . "feta-din12")
- (14.0 . "feta-din14")
- (17.0 . "feta-din17")
- ))
- (math 10 #((10.0 . "msam10")))
- (music 20.0
- #((11.22 . ("feta11" "parmesan11"))
- (12.60 . ("feta13" "parmesan13"))
- (14.14 . ("feta14" "parmesan14"))
- (15.87 . ("feta16" "parmesan16"))
- (17.82 . ("feta18" "parmesan18"))
- (20.0 . ("feta20" "parmesan20"))
- (22.45 . ("feta23" "parmesan23"))
- (25.20 . ("feta26" "parmesan26"))
- ))
- (braces 10 #((10.0 . ("feta-braces00"
- "feta-braces10"
- "feta-braces20"
- "feta-braces30"
- "feta-braces40"
- "feta-braces50"
- "feta-braces60"
- "feta-braces70"
- "feta-braces80"))
- ))))
-
- (for-each
- (lambda (x)
- (add-font
- n
- `((font-encoding . 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) .
- (10.0 . #((6.0 . "cmr6")
- (8.0 . "cmr8")
- (10.0 . "cmr10")
- (17.0 . "cmr17")
- )))
-
- (#(roman upright bold) .
- (10.0 . #((6.0 . "cmbx6")
- (8.0 . "cmbx8")
- (10.0 . "cmbx10")
- (12.0 . "cmbx12")
- )))
-
- (#(roman italic medium) .
- (10.0 . #((7.0 . "cmti7")
- (10.0 . "cmti10")
- (12.0 . "cmti12")
- )))
- (#(roman italic bold) .
- (10.0 . #((8.0 . "cmbxti8")
- (10.0 . "cmbxti10")
- (14.0 . "cmbxti14")
- )))
-
- (#(roman caps medium) .
- (10.0 . #((10.0 . "cmcsc10"))))
-
- (#(roman upright bold-narrow ) .
- (10.0 . #((10.0 . "cmb10")
- )))
-
- (#(sans upright medium) .
- (10.0 . #((8.0 . "cmss8")
- (10.0 . "cmss10")
- (12.0 . "cmss12")
- (17.0 . "cmss17")
- )))
- (#(typewriter upright medium) .
- (10.0 . #((8.0 . "cmtt8")
- (10.0 . "cmtt10")
- (12.0 . "cmtt12")
- )))
- ))
+;; 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))
-; (display (make-font-tree 1.0))
+(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))))
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