-;;;
-;;; font.scm -- implement Font stuff
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 2000--2001 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;
-
-(define style-to-font-alist
- `(
-))
-
-(define (font-field name font-descr)
- (list-ref
- font-descr
- (cond
- ((eq? name 'font-relative-size) 0)
- ((eq? name 'font-series) 1)
- ((eq? name 'font-shape) 2)
- ((eq? name 'font-family) 3)
- ((eq? name 'font-name) 4)
- ((eq? name 'font-design-size) 5)
- (else (ly-warning "unknown font field name"))
- )
- ))
-
-;;;;;;;;; TODO TODO . (should not use filtering?)
-;; this is bad, since we generate garbage every font-lookup.
-;; otoh, if the qualifiers is narrow enough , we don't generate much garbage.
-
-(define (filter-field field-name value font-descr-alist)
- "return those descriptions from FONT-DESCR-LIST whose FIELD-NAME matches VALUE"
- (filter-list
- (lambda (x) (let* (field-value (font-field field-name (car x)))
- (or (eq? field-value '*) (eq? value field-value))))
- font-descr-alist)
- )
-
-;; should really have name/pt size at the front of the list.
+;;;; font.scm -- construct font trees
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+;; TODO:
+;;
+;; lookup-font should be written in C.
;;
-;; (also tried to vary the order of this list, with little effect)
-(define paper20-style-sheet-alist
- '(
- ;; why are font-names strings, not symbols?
- ((3 medium upright number feta-nummer 13) . "feta-nummer13")
- ((2 medium upright number feta-nummer 13) . "feta-nummer13")
- ((1 medium upright number feta-nummer 11) . "feta-nummer11")
- ((0 medium upright number feta-nummer 10) . "feta-nummer10")
- ((-1 medium upright number feta-nummer 8) . "feta-nummer8")
- ((-2 medium upright number feta-nummer 7) . "feta-nummer7")
- ((-3 medium upright number feta-nummer 6) . "feta-nummer6")
- ((-4 medium upright number feta-nummer 5) . "feta-nummer5")
- ((-5 medium upright number feta-nummer 4) . "feta-nummer4")
-
- ((4 medium upright roman cmr 17) . "cmr17")
- ((3 medium upright roman cmr 17) . "cmr17")
- ((2 medium upright roman cmr 12) . "cmr12")
- ((1 medium upright roman cmr 12) . "cmr12")
- ((0 medium upright roman cmr 10) . "cmr10")
- ((-1 medium upright roman cmr 8) . "cmr8" )
- ((-2 medium upright roman cmr 7) . "cmr7" )
- ((-3 medium upright roman cmr 6) . "cmr6" )
- ((-4 medium upright roman cmr 5) . "cmr5" )
- ((-5 medium upright roman cmr 5) . "cmr5" )
-
- ((3 medium italic roman cmti 12) . "cmti12")
- ((2 medium italic roman cmti 12) . "cmti12")
- ((1 medium italic roman cmti 12) . "cmti12")
- ((0 medium italic roman cmti 10) . "cmti10")
- ((-1 medium italic roman cmti 8) . "cmti8")
- ((-2 medium italic roman cmti 7) . "cmti7")
- ((-3 medium italic roman cmti 7) . "cmti7")
-
- ((2 bold upright roman cmbx 12) . "cmbx12")
- ((1 bold upright roman cmbx 12) . "cmbx12")
- ((0 bold upright roman cmbx 10) . "cmbx10")
- ((-1 bold upright roman cmbx 8) . "cmbx8")
- ((-2 bold upright roman cmbx 7) . "cmbx7")
-
- ((2 bold italic roman cmbxti 12) . "cmbxti12")
- ((1 bold italic roman cmbxti 12) . "cmbxti12")
- ((0 bold italic roman cmbxti 10) . "cmbxti10")
- ((-1 bold italic roman cmbxti 8) . "cmbxti8")
- ((-2 bold italic roman cmbxti 7) . "cmbxti7")
-
- ((4 medium upright typewriter cmtt 17) . "cmtt17")
- ((3 medium upright typewriter cmtt 17) . "cmtt17")
- ((2 medium upright typewriter cmtt 12) . "cmtt12")
- ((1 medium upright typewriter cmtt 12) . "cmtt12")
- ((0 medium upright typewriter cmtt 10) . "cmtt10")
- ((-1 medium upright typewriter cmtt 8) . "cmtt8" )
- ((-2 medium upright typewriter cmtt 7) . "cmtt7" )
- ((-3 medium upright typewriter cmtt 6) . "cmtt6" )
- ((-4 medium upright typewriter cmtt 5) . "cmtt5" )
- ((-5 medium upright typewriter cmtt 5) . "cmtt5" )
-
- ((3 medium caps roman cmcsc 12) . "cmcsc12")
- ((2 medium caps roman cmcsc 12) . "cmcsc12")
- ((1 medium caps roman cmcsc 12) . "cmcsc12")
- ((0 medium caps roman cmcsc 10) . "cmcsc10")
- ((-1 medium caps roman cmcsc 8) . "cmcsc8")
- ((-2 medium caps roman cmcsc 7) . "cmcsc7")
- ((-3 medium caps roman cmcsc 7) . "cmcsc7")
+(define-class <Font-tree-element>
+ ())
+
+(define-class <Font-tree-leaf> (<Font-tree-element>)
+ (default-size #:init-keyword #:default-size)
+ (size-vector #:init-keyword #:size-vector))
+
+(define-class <Font-tree-node> (<Font-tree-element>)
+ (qualifier #:init-keyword #:qualifier #:accessor font-qualifier)
+ (default #:init-keyword #:default #:accessor font-default)
+ (children #:init-keyword #:children #:accessor font-children))
+
+(define (make-font-tree-leaf size size-font-vector)
+ (make <Font-tree-leaf> #:default-size size #:size-vector size-font-vector))
+
+(define (make-font-tree-node
+ qualifier default)
+ (make <Font-tree-node>
+ #: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)
+ "#>"
+ )))
+
+(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"))
+
+
+(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)
+ (assoc-remove! (list-copy alist) key))
+
+ (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 '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)
- ;; should use the same brace font every where and fix C++ code.
- ((2 * * braces feta-braces 26) . "feta-braces26")
- ((1 * * braces feta-braces 23) . "feta-braces23")
- ((0 * * braces feta-braces 20) . "feta-braces20")
- ((-1 * * braces feta-braces 16) . "feta-braces16")
- ((-2 * * braces feta-braces 13) . "feta-braces13")
- ((-3 * * braces feta-braces 11) . "feta-braces11")
-
- ((3 * * dynamic feta-din 19) . "feta-din19")
- ((2 * * dynamic feta-din 19) . "feta-din19")
- ((1 * * dynamic feta-din 17) . "feta-din17")
- ((0 * * dynamic feta-din 14) . "feta-din14")
- ((-1 * * dynamic feta-din 12) . "feta-din12")
- ((-2 * * dynamic feta-din 9) . "feta-din9")
- ((-3 * * dynamic feta-din 8) . "feta-din8")
- ((-4 * * dynamic feta-din 7) . "feta-din7")
- ((-5 * * dynamic feta-din 6) . "feta-din6")
-
- ((2 * * music feta 26) . "feta26")
- ((1 * * music feta 23) . "feta23")
- ((0 * * music feta 20) . "feta20")
- ((-0.5 * * music feta 20) . "feta19")
- ((-1 * * music feta 16) . "feta16")
- ((-2 * * music feta 13) . "feta13")
- ((-3 * * music feta 11) . "feta11")
- ((-4 * * music feta 11) . "feta11")
-
- ((0 * * math msam 10) . "msam10")
- ((-1 * * math msam 10) . "msam10")
- ((-2 * * math msam 10) . "msam10")
- ((-3 * * math msam 10) . "msam10")
- ))
-
-;;
-(define (change-relative-size font-desc decrement)
- "return a FONT-DESCR with relative size decremented by DECREMENT"
- (cons (- (car font-desc) decrement) (cdr font-desc))
- )
-
-;;
-(define (map-alist-keys func list)
- "map a function FUNC over the keys of an alist LIST, leaving the vals. "
- (if (null? list)
- '()
- (cons (cons (func (caar list)) (cdar list))
- (map-alist-keys func (cdr list)))
- ))
-
-;;
-(define (map-alist-vals func list)
- "map a function FUNC over the vals of LIST, leaving the keys."
- (if (null? list)
- '()
- (cons (cons (caar list) (func (cdar list)))
- (map-alist-vals func (cdr list)))
- ))
-
-(define (change-style-sheet-relative-size sheet x)
- (map-alist-keys (lambda (descr) (change-relative-size descr x)) sheet))
-
-
-;; make style sheet for each paper version.
-(define font-list-alist
- (map-alist-vals (lambda (x) (change-style-sheet-relative-size
- paper20-style-sheet-alist x))
- '((paper11 . -3)
- (paper13 . -2)
- (paper16 . -1)
- (paper19 . -0.5)
- (paper20 . 0)
- (paper23 . 1)
- (paper26 . 2)
- ))
- )
-
-
-(define (make-style-sheet sym)
- `((fonts . ,(cdr (assoc sym font-list-alist)))
- (font-defaults
- . ((font-family . music)
- (font-relative-size . 0)
- (font-shape . upright)
- (font-series . medium)
- ))
- (style-alist
- . ((finger . ((font-family . number) (font-relative-size . -3)))
- (volta . ((font-family . number) (font-relative-size . -2)))
- (tuplet . ((font-family . roman) (font-shape . italic) (font-relative-size . -1)))
-
- (timesig . ((font-family . number) (font-relative-size . 0)))
- (timesig-symbol . ((font-family . music) (font-relative-size . 0)))
-
- (mmrest . ((font-family . number) (font-relative-size . 1)))
- (mmrest-symbol . ((font-family . music) (font-relative-size . 0)))
-
- (mark . ((font-family . number) (font-relative-size . 1)))
- (script . ((font-family . roman) (font-relative-size . -1)))
- (large . ((font-family . roman) (font-relative-size . 1)))
- (Large . ((font-series . bold) (font-family . roman)
- (font-relative-size . 2)))
- (dynamic . ((font-family . dynamic) (font-relative-size . 0)))
- ))
- (properties-to-font .
- ,Font_interface::properties_to_font_name)
-
- (markup-to-properties . ,markup-to-properties)
- (abbreviation-alist
- . ((columns . ((axis . 0)))
- (lines . ((axis . 1)))
- (roman . ((font-family . roman)))
- (music . ((font-family . music) (lookup . name)))
- (finger . ((font-style . finger)))
- (bold . ((font-series . bold)))
- (upright . ((font-shape . upright)))
- (italic . ((font-shape . italic)))
- (named . ((lookup . name)))
- (overstrike . ((extent . (0 . 0))))
- (super . ((raise . 1) (font-relative-size . -1) (extent . (0 . 0))))
- (sub . ((raise . -1) (font-relative-size . -1) (extent . (0 . 0))))
- (text . ((lookup . value)))
- )
- )
-
- )
- )
-
-(define (qualifiers-to-fontnames qualifiers font-descr-alist)
- " reduce the font list by successively applying a font-qualifier."
- (if (null? qualifiers)
- font-descr-alist
-
- (qualifiers-to-fontnames
- (cdr qualifiers)
- (filter-field (caar qualifiers) (cdar qualifiers) font-descr-alist)
- )
- ))
-
-(define (wild-eq? x y)
- (or (eq? x y)
- (eq? x '*)
- (eq? y '*)))
-
-(define (font-qualifies? qualifiers font-desc)
- "does FONT-DESC satisfy QUALIFIERS?"
- (if (null? qualifiers) #t
- (if (wild-eq? (font-field (caar qualifiers) font-desc) (cdar qualifiers))
- (font-qualifies? (cdr qualifiers) font-desc)
- #f)))
-
-(define (find-first-font qualifiers fonts)
- (if (null? fonts)
- ""
- (if (font-qualifies? qualifiers (caar fonts))
- (cdar fonts)
- (find-first-font qualifiers (cdr fonts))
- )
- ))
-
-
-(define (select-unique-font qualifiers fonts)
- "return a single font from FONTS (or a default, if none found)
-and warn if the selected font is not unique.
-"
- (let* (
- (err (current-error-port))
- )
-
+ (if (find "lmr10.pfb")
+ (add-cork-lm-fonts n factor))
+ (if (find "ecrm10.pfa")
+ (add-ec-fonts n factor))
+ n))
- (if (not (= (length fonts) 1))
- (begin
- (display "\ncouldn't find unique font satisfying " err)
- (write qualifiers err)
- (display " found " err)
- (if (null? fonts)
- (display "none" err)
- (write (map cdr fonts) err))
- ))
-
- (if (null? fonts)
- "cmr10"
- (cdar fonts)) ; return the topmost.
-
- ))
-(define (chain-assoc x alist-list)
- (if (null? alist-list)
- #f
- (let* ((handle (assoc x (car alist-list))))
- (if (pair? handle)
- handle
- (chain-assoc x (cdr alist-list))))))
-;; TODO
-;; the C++ version in font-interface.cc is usually used.
-;;
-;; FIXME: this has silently been broken by the introduction
-;; of wildcards in the font list.
-(define (properties-to-font-name fonts properties-alist-list)
- (let* (
- ;; change order to change priorities of qualifiers.
- (q-order '(font-name font-family font-series font-shape
- font-design-size font-relative-size))
- (rawqualifiers (map (lambda (x)
- (chain-assoc x properties-alist-list))
- q-order))
- (qualifiers (filter-list pair? rawqualifiers))
- (selected (find-first-font qualifiers fonts))
- (err (current-error-port)))
-
- (if (equal? selected "")
- (begin
- (display "\ncouldn't find any font satisfying " err)
- (write qualifiers err)
- "cmr10"
- )
- selected) ; return the topmost.
- ))
-
-(define (markup-to-properties sheet markup)
- ;; (display "markup: `")
- ;; (write markup)
- ;; (display "'\n")
-
- (if (pair? markup)
- ;; This is hairy. We want to allow:
- ;; ((foo bar) "text")
- ;; ((foo (bar . 1)) "text")
- ;; ((foo . (0 . 1)))
-
- (if (and (symbol? (car markup))
- (or (not (pair? (cdr markup)))
- (number? (cadr markup))))
- (if (equal? '() (cdr markup))
- (markup-to-properties sheet (car markup))
- (list markup))
-
- (if (equal? '() (cdr markup))
- (markup-to-properties sheet (car markup))
- (append (markup-to-properties sheet (car markup))
- (markup-to-properties sheet (cdr markup)))))
-
- ;; markup is single abbreviation
- (let ((entry (assoc markup
- ;; assoc-chain?
- (append (cdr (assoc 'abbreviation-alist sheet))
- (cdr (assoc 'style-alist sheet))))))
- (if entry
- (cdr entry)
- (list (cons markup #t))))))
-
-
-; fixme, how's this supposed to work?
-; and why don't we import font-setting from elt?
-(define (style-to-font-name sheet style)
- (let* ((entry (assoc style style-to-font-alist))
- (qualifiers (if entry (cdr entry) '()))
- (font (find-first-font qualifiers sheet))
- (err (current-error-port))
- )
-
- (if (equal? font "")
- (begin
- (display "\ncouldn't find any font satisfying " err)
- (write qualifiers err)
- "cmr10"
- )
- font) ; return the topmost.
- ))
-
-(if #f (begin
- (define (test-module)
- (display (filter-list pair? '(1 2 (1 2) (1 .2)))
- (display (filter-field 'font-name 'cmbx paper20-style-sheet-alist))
-
- (display (qualifiers-to-fontname '((font-name . cmbx)) paper20-style-sheet-alist))
- (display (style-to-font-name 'paper20 'large))
- )
- )
- )
-
-
-)
+(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 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)
+ n))
+
+
+(define-public (make-century-schoolbook-tree factor)
+ (make-pango-font-tree
+ "Century Schoolbook L"
+ "Sans" "Mono" factor))
+
+(define-public (magstep x)
+ (exp (* (/ x 6) (log 2))))
projects / lilypond.git / blobdiff