-;;;
-;;; font.scm -- implement Font stuff
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;
+;;;; font.scm -- implement Font stuff
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2000--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-(define style-to-font-alist
- `(
-))
+;; Should separate default sizes
+;; into separate list/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-point-size) 5)
- (else (ly-warning "unknown font field name"))
- )
- ))
-
-(define (filter-list pred? list)
- "return that part of LIST for which PRED is true."
- (if (null? list) '()
- (let* (
- (rest (filter-list pred? (cdr list)))
- )
- (if (pred? (car list))
- (cons (car list) rest)
- rest
- )
- )
- )
- )
-;;;;;;;;; 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) (eq? value (font-field field-name (car x))))
- font-descr-alist)
- )
-
-;; 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 paper20-style-sheet-alist
- '(
- ((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 20) . "cmr20")
- ((3 medium upright roman cmr 16) . "cmr16")
- ((2 medium upright roman cmr 14) . "cmr14")
- ((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 4) . "cmr4" )
-
- ((3 medium italic roman cmti 16) . "cmti16")
- ((2 medium italic roman cmti 14) . "cmti14")
- ((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 6) . "cmti6")
-
- ((2 bold upright roman cmbx 14) . "cmbx14")
- ((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")
-
- ((4 medium upright typewriter cmtt 20) . "cmtt20")
- ((3 medium upright typewriter cmtt 16) . "cmtt16")
- ((2 medium upright typewriter cmtt 14) . "cmtt14")
- ((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 4) . "cmtt4" )
-
- ;; should use the same brace font every where and fix C++ code.
- ((2 medium upright braces feta-braces 26) . "feta-braces26")
- ((1 medium upright braces feta-braces 23) . "feta-braces23")
- ((0 medium upright braces feta-braces 20) . "feta-braces20")
- ((-1 medium upright braces feta-braces 16) . "feta-braces16")
- ((-2 medium upright braces feta-braces 13) . "feta-braces13")
- ((-3 medium upright braces feta-braces 11) . "feta-braces11")
-
- ((3 bold italic dynamic feta-din 19) . "feta-din19")
- ((2 bold italic dynamic feta-din 19) . "feta-din19")
- ((1 bold italic dynamic feta-din 17) . "feta-din17")
- ((0 bold italic dynamic feta-din 14) . "feta-din14")
- ((-1 bold italic dynamic feta-din 12) . "feta-din12")
- ((-2 bold italic dynamic feta-din 9) . "feta-din9")
- ((-3 bold italic dynamic feta-din 8) . "feta-din8")
- ((-4 bold italic dynamic feta-din 7) . "feta-din7")
- ((-5 bold italic dynamic feta-din 6) . "feta-din6")
-
- ((2 medium upright music feta 26) . "feta26")
- ((1 medium upright music feta 23) . "feta23")
- ((0 medium upright music feta 20) . "feta20")
- ((-0.5 medium upright music feta 20) . "feta19")
- ((-1 medium upright music feta 16) . "feta16")
- ((-2 medium upright music feta 13) . "feta13")
- ((-3 medium upright music feta 11) . "feta11")
- ((-4 medium upright music feta 11) . "feta11")
-
- ((0 medium upright math msam 10) . "msam10")
- ((-1 medium upright math msam 10) . "msam10")
- ((-2 medium upright math msam 10) . "msam10")
- ((-3 medium upright 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-series . bold) (font-family . dynamic) (font-relative-size . 0)))
- ))
- (properties-to-font .
- ,Font_interface::properties_to_font_name)
-
- ;; FIXME: this is a not-so-cool idea to use ALIGN
- ;; RAISE, LOOKUP, since they are not proper elt-properties,
- ;; and might interfere with them.
- (markup-to-properties . ,markup-to-properties)
- (abbreviation-alist
- . ((rows . ((align . 0)))
- (lines . ((align . 1)))
- (roman . ((font-family . roman)))
- (music . ((font-family . music) (font-shape . upright) (lookup . name)))
- (finger . ((font-style . finger)))
- (bold . ((font-series . bold)))
- (italic . ((font-shape . italic)))
- (named . ((lookup . name)))
- (super . ((raise . 1) (font-relative-size . -1)))
- (sub . ((raise . -1) (font-relative-size . -1)))
- (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 (font-qualifies? qualifiers font-desc)
- "does FONT-DESC satisfy QUALIFIERS?"
- (if (null? qualifiers) #t
- (if (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))
- )
-
+Each entry in this vector has the following format
- (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.
-
- ))
+ (cons
+ #(QUALIFIERS)
+ (cons DEFAULT-SIZE
+ #(SIZE-FONT-ENTRIES... ) ))
+where each SIZE-FONT-ENTRY is
-(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))
- )
- )
- )
- )
+ (cons DESIGN-SIZE FONT-NAME)
-;; TODO
-;; the C++ version in font-interface.cc is usually used.
-(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-point-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))
- )
+or
- (if (equal? selected "")
- (begin
- (display "\ncouldn't find any font satisfying " err)
- (write qualifiers err)
- "cmr10"
- )
- selected) ; return the topmost.
- ))
+ (cons DESIGN-SIZE (list FONT-NAME1 FONT-NAME2 .. ))
-(define (markup-to-properties sheet markup)
- ;;(display "markup: `")
- ;;(write markup)
- ;;(display "'\n")
- (if (pair? markup)
- (list markup)
- (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 (magstep x)
+ (exp (* (/ x 6) (log 2))))
+
+(define-public paper20-font-vector
+ '((#(medium upright number) .
+ (10 . #((10.0 . "feta-nummer10"))))
+ (#(medium upright roman) .
+ (10.0 . #((6.0 . "cmr6")
+ (8.0 . "cmr8")
+ (10.0 . "cmr10")
+ (17.0 . "cmr17")
+ )))
+ (#(* * 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"))
+ )))
+ (#(medium upright sans) .
+ (10.0 . #((8.0 . "cmss8")
+ (10.0 . "cmss10")
+ (12.0 . "cmss12")
+ (17.0 . "cmss17")
+ )))
+ (#(medium upright typewriter) .
+ (10.0 . #((8.0 . "cmtt8")
+ (10.0 . "cmtt10")
+ (12.0 . "cmtt12")
+ )))
+ (#(bold italic roman) .
+ (10.0 . #((8.0 . "cmbxti8")
+ (10.0 . "cmbxti10")
+ (14.0 . "cmbxti14")
+ )))
+ (#(medium italic roman) .
+ (10.0 . #((7.0 . "cmti7")
+ (10.0 . "cmti10")
+ (12.0 . "cmti12")
+ )))
+ (#(bold upright roman) .
+ (10.0 . #((6.0 . "cmbx6")
+ (8.0 . "cmbx8")
+ (10.0 . "cmbx10")
+ (12.0 . "cmbx12")
+ )))
+ (#(bold-narrow upright roman) .
+ (10.0 . #((10.0 . "cmb10")
+ )))
+ (#(medium caps roman) .
+ (10.0 . #((10.0 . "cmcsc10"))))
+
+ (#(* * dynamic) .
+ (14.0 . #((6.0 . "feta-din6")
+ (8.0 . "feta-din8")
+ (10.0 . "feta-din10")
+ (12.0 . "feta-din10")
+ (14.0 . "feta-din14")
+ (17.0 . "feta-din17")
+ )))
+ (#(* * math) .
+ (10.0 . #((10.0 . "msam10"))))
+ ))
+
+(define (scale-font-entry entry factor)
+ (cons
+ (car entry)
+ (cons (* (cadr entry) factor)
+ (cddr entry))))
+
+(define size-independent-fonts
+ '((#(* * braces) .
+ (10 . #((10.0 . ("feta-braces00"
+ "feta-braces10"
+ "feta-braces20"
+ "feta-braces30"
+ "feta-braces40"
+ "feta-braces50"
+ "feta-braces60"
+ "feta-braces70"
+ "feta-braces80")))))))
+
+(define-public (scale-font-list factor)
+ (append size-independent-fonts
+ (map (lambda (y) (scale-font-entry y factor)) paper20-font-vector)))
-)
projects / lilypond.git / blobdiff