;;;
;;; font.scm -- implement Font stuff
;;;
-;;; source file of the GNU LilyPond music typesetter
+;;; source file of the GNU LilyPond music typesetter
;;;
-;;; (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; (c) 2000--2003 Jan Nieuwenhuizen <janneke@gnu.org>
;;;
+(define style-to-font-alist
+ `(
+))
-;; corresponding properties:
+(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-design-size) 4)
+ (else (ly:warning "unknown font field name"))
+ )
+ ))
+
+
+
+;; most of these routines have been reimplemented in C++
+
+;; 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
+ (lambda (x) (let* (field-value (font-field field-name (car x)))
+ (or (eq? field-value '*) (eq? value field-value))))
+ font-descr-alist)
+ )
+
+
+(define size-independent-fonts
+ `(
+ ((* * * braces *) . ("feta-braces0"
+ "feta-braces1"
+ "feta-braces2"
+ "feta-braces3"
+ "feta-braces4"
+ "feta-braces5"
+ "feta-braces6"
+ "feta-braces7"
+ "feta-braces8") )))
+
+;; FIXME: what about this comment?:
+
+;; font-lookup seems a little inefficient -- walking this entire list
+;; for a single font.
;;
-;; font-series font-shape font-family font-name font-size font-points
+;; should really have name/pt size at the front of the list.
+;; (also tried to vary the order of this list, with little effect)
;;
-(define style-sheet-alist
+;; (font-relative-size font-series font-shape font-family
+;; font-design-size)
+
+(define paper20-style-sheet-alist
'(
- (paper16 . (
- ("medium upright music feta 0 16" . "feta16")
- ("medium upright music feta -1 13" . "feta13")
- ("medium upright music feta -2 11" . "feta11")
- ("medium upright music feta 1 20" . "feta20")
- ("medium upright music feta 2 23" . "feta23")
- ("medium upright orator feta-nummer 0 8" . "feta-nummer8")
- ("medium upright orator feta-nummer -4 4" . "feta-nummer4")
- ("medium upright roman cmr 0 8" . "cmr8")
- ("medium upright roman cmr 1 10" . "cmr10")
- ("bold upright roman cmbx 0 8" . "cmbx8")
- ("bold upright roman cmbx 1 10" . "cmbx10")
- ("medium italic roman cmbx 0 8" . "cmbx8")
- ("medium italic roman cmbx 1 10" . "cmbx10")
- ))
- (paper20 . (
- ("medium upright music feta 0 20" . "feta20")
- ("medium upright music feta -1 16" . "feta16")
- ("medium upright music feta -2 13" . "feta13")
- ("medium upright music feta 1 23" . "feta23")
- ("medium upright music feta 2 26" . "feta26")
- ("medium upright orator feta-nummer 0 10" . "feta-nummer10")
- ("medium upright orator feta-nummer -4 5" . "feta-nummer5")
- ("medium upright roman cmr 0 10" . "cmr10")
- ("medium upright roman cmr 1 12" . "cmr12")
- ("bold upright roman cmbx 0 10" . "cmbx10")
- ("bold upright roman cmbx 1 12" . "cmbx12")
- ("medium italic roman cmbx 0 10" . "cmbx10")
- ("medium italic roman cmbx 1 12" . "cmbx12")
- ))
- ))
+ ;; why are font file names strings, not symbols?
+ ((3 medium upright number 13) . "feta-nummer13")
+ ((2 medium upright number 13) . "feta-nummer13")
+ ((1 medium upright number 11) . "feta-nummer11")
+ ((0 medium upright number 10) . "feta-nummer10")
+ ((-1 medium upright number 8) . "feta-nummer8")
+ ((-2 medium upright number 7) . "feta-nummer7")
+ ((-3 medium upright number 6) . "feta-nummer6")
+ ((-4 medium upright number 5) . "feta-nummer5")
+ ((-5 medium upright number 4) . "feta-nummer4")
+
+ ((4 medium upright roman 17) . "cmr17")
+ ((3 medium upright roman 17) . "cmr17")
+ ((2 medium upright roman 12) . "cmr12")
+ ((1 medium upright roman 12) . "cmr12")
+ ((0 medium upright roman 10) . "cmr10")
+ ((-1 medium upright roman 8) . "cmr8" )
+ ((-2 medium upright roman 7) . "cmr7" )
+ ((-3 medium upright roman 6) . "cmr6" )
+ ((-4 medium upright roman 5) . "cmr5" )
+ ((-5 medium upright roman 5) . "cmr5" )
+
+ ((3 medium italic roman 12) . "cmti12")
+ ((2 medium italic roman 12) . "cmti12")
+ ((1 medium italic roman 12) . "cmti12") ;;; ugh. Should add magnification here!
+ ((0 medium italic roman 10) . "cmti10")
+ ((-1 medium italic roman 8) . "cmti8")
+ ((-2 medium italic roman 7) . "cmti7")
+ ((-3 medium italic roman 7) . "cmti7")
+
+ ;;; cmbx17 is sauter, not commonly available as Type1.
+ ((4 bold upright roman 17) . "cmr17")
+ ((3 bold upright roman 17) . "cmr17")
+
+ ((2 bold upright roman 14) . "cmbx14")
+ ((1 bold upright roman 12) . "cmbx12")
+ ((0 bold upright roman 10) . "cmbx10")
+ ((-1 bold upright roman 8) . "cmbx8")
+ ((-2 bold upright roman 7) . "cmbx7")
+
+ ((2 bold italic roman 12) . "cmbxti12")
+ ((1 bold italic roman 12) . "cmbxti12")
+ ((0 bold italic roman 10) . "cmbxti10")
+
+ ((-1 bold italic roman 8) . "cmbxti8")
+ ((-2 bold italic roman 7) . "cmbxti7")
+
+ ((4 medium upright typewriter 17) . "cmtt17")
+ ((3 medium upright typewriter 17) . "cmtt17")
+ ((2 medium upright typewriter 12) . "cmtt12")
+ ((1 medium upright typewriter 12) . "cmtt12")
+ ((0 medium upright typewriter 10) . "cmtt10")
+ ((-1 medium upright typewriter 8) . "cmtt8" )
+ ((-2 medium upright typewriter 7) . "cmtt7" )
+ ((-3 medium upright typewriter 6) . "cmtt6" )
+ ((-4 medium upright typewriter 5) . "cmtt5" )
+ ((-5 medium upright typewriter 5) . "cmtt5" )
+
+ ((3 medium caps roman 12) . "cmcsc12")
+ ((2 medium caps roman 12) . "cmcsc12")
+ ((1 medium caps roman 12) . "cmcsc12")
+ ((0 medium caps roman 10) . "cmcsc10")
+ ((-1 medium caps roman 8) . "cmcsc8")
+ ((-2 medium caps roman 7) . "cmcsc7")
+ ((-3 medium caps roman 7) . "cmcsc7")
+
+ ((3 * * dynamic 19) . "feta-din19")
+ ((2 * * dynamic 19) . "feta-din19")
+ ((1 * * dynamic 17) . "feta-din17")
+ ((0 * * dynamic 14) . "feta-din14")
+ ((-1 * * dynamic 12) . "feta-din12")
+ ((-2 * * dynamic 9) . "feta-din9")
+ ((-3 * * dynamic 8) . "feta-din8")
+ ((-4 * * dynamic 7) . "feta-din7")
+ ((-5 * * dynamic 6) . "feta-din6")
+
+ ((2 * * music 26) . ("feta26" "parmesan26"))
+ ((1 * * music 23) . ("feta23" "parmesan23"))
+ ((0 * * music 20) . ("feta20" "parmesan20"))
+ ((-1 * * music 16) . ("feta16" "parmesan16"))
+ ((-2 * * music 13) . ("feta13" "parmesan13"))
+ ((-3 * * music 11) . ("feta11" "parmesan11"))
+ ((-4 * * music 11) . ("feta11" "parmesan11"))
+
+ ((2 * * ancient 26) . ("feta26" "parmesan26"))
+ ((1 * * ancient 23) . ("feta23" "parmesan23"))
+ ((0 * * ancient 20) . ("feta20" "parmesan20"))
+ ((-1 * * ancient 16) . ("feta16" "parmesan16"))
+ ((-2 * * ancient 13) . ("feta13" "parmesan13"))
+ ((-3 * * ancient 11) . ("feta11" "parmesan11"))
+ ((-4 * * ancient 11) . ("feta11" "parmesan11"))
+
+ ((0 * * math 10) . "msam10")
+ ((-1 * * math 10) . "msam10")
+ ((-2 * * math 10) . "msam10")
+ ((-3 * * math 10) . "msam10")
+ ))
+
+;;
+(define (change-relative-size font-desc decrement)
+ "return a FONT-DESCR with relative size decremented by DECREMENT"
+
+ (if (number? (car font-desc))
+ (cons (- (car font-desc) decrement) (cdr font-desc))
+ font-desc)
+ )
+
+(define (change-rhs-size font-desc from to )
+ (cons (car font-desc)
+ (regexp-substitute/global #f from (cdr font-desc) 'pre to 'post))
+
+ )
+
+;;
+(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))
-(define (get-font-name style properties-alist)
- (let ((font-regexp
- (let loop ((p '(font-series font-shape font-family font-name font-size font-points)) (s ""))
- (let* ((key (if (pair? p) (car p) p))
- (entry (assoc key properties-alist))
- (value (if entry (cdr entry) "[^ ]+")))
- (if (pair? (cdr p))
- (loop (cdr p) (string-append s value " "))
- (string-append (string-append s value))))))
- (style-sheet (cdr (assoc style style-sheet-alist))))
- ;;(display "regex: `")
- ;;(display font-regexp)
- ;;(display "'")
- ;;(newline)
- (let loop ((fonts style-sheet))
- ;;(display "font: `")
- ;;(display (caar fonts))
- ;;(display "' = ")
- ;;(display (cdar fonts))
- ;;(newline)
- (if (string-match font-regexp (caar fonts))
+
+;; 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)
+ (paper20 . 0)
+ (paper23 . 1)
+ (paper26 . 2)
+ ))
+ )
+
+;;
+;; make a kludged up paper-19 style sheet. Broken by virtual fonts.
+;;
+(if #f
+ (set! font-list-alist
+ (cons
+ (cons
+ 'paper19
+ (map (lambda (x) (change-rhs-size x "20" "19"))
+ paper20-style-sheet-alist))
+ font-list-alist)))
+
+(define-public (make-font-list sym)
+ (append size-independent-fonts
+ (cdr (assoc sym font-list-alist))))
+
+(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)
- (if (pair? (cdr fonts))
- (loop (cdr fonts))
- '())))))
-
-(define markup-to-properties-alist
- '((series . font-series)
- (shape . font-shape)
- (family . font-family)
- (name . font-name)
- (size . font-size)
- (point . font-point)))
-
-(define markup-abbrev-to-properties-alist
- '((rows . (align . 0))
- (lines . (align . 1))
- (roman . (font-family . "roman"))
- (music . (font-family . "music"))
- (bold . (font-series . "bold"))
- (italic . (font-shape . "italic"))))
+ (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))
+ )
-(define (markup-to-properties markup)
- ;;(display "markup: ")
- ;;(display markup)
- ;;(newline)
+
+ (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.
+
+ ))
+
+
+; there used to be a Scheme properties-to-font-name function,
+; but that is superseeded by the C++ version out of speed concerns.
+
+
+(define-public (markup-to-properties abbrev-alist style-alist markup)
+ "DOCME."
+ ;; (display "markup: `")
+ ;; (write markup)
+ ;; (display "'\n")
+
(if (pair? markup)
- (cons (cdr (assoc (car markup) markup-to-properties-alist)) (cdr markup))
- (cdr (assoc markup markup-abbrev-to-properties-alist))))
-
+ ;; 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 abbrev-alist style-alist (car markup))
+ (list markup))
+
+ (if (equal? '() (cdr markup))
+ (markup-to-properties abbrev-alist style-alist (car markup))
+ (append (markup-to-properties abbrev-alist style-alist (car markup))
+ (markup-to-properties abbrev-alist style-alist (cdr markup)))))
+
+ ;; markup is single abbreviation
+ (let ((entry (assoc markup
+ ;; assoc-chain?
+ (append abbrev-alist style-alist))))
+ (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 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))
+ )
+ )
+ )
+
+
+)
+
+;;; ascii-script font init
+(define as-font-sheet-alist
+ '((as5 . (((* * * braces *) . ("as-braces9"))
+ ((* * * number *) . "as-number1")
+ ((0 * * music *) . ("as5"))
+ ((0 * * roman *) . "as-dummy")))
+ (as9 . (((* * * braces *) . ("as-braces9"))
+ ((0 medium upright number 10) . "as-number4")
+ ((* * * number 5) . "as-number1")
+ ((0 * * music *) . ("as9"))
+ ((0 * * roman *) . "as-dummy")))))
+
+(define-public (as-make-font-list sym)
+ (set! font-list-alist
+ (append font-list-alist as-font-sheet-alist))
+ (make-font-list sym))
+
+
+
+
projects / lilypond.git / blobdiff