X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Ffont.scm;h=45a54b5f8d6ec9a5e202c23381d76ca9697eee6a;hb=95b272241991b6f93058104faef411c452e21037;hp=360e4deccd74283c160ecb026be6224e9cc1c84e;hpb=263f55b4e6c4e391e7ff8f4bcd18c9ae8752832e;p=lilypond.git diff --git a/scm/font.scm b/scm/font.scm index 360e4deccd..45a54b5f8d 100644 --- a/scm/font.scm +++ b/scm/font.scm @@ -1,21 +1,34 @@ -;; As an excercise, do it with records. -;; Should use GOOPS, really. +;;;; This file is part of LilyPond, the GNU music typesetter. +;;;; +;;;; Copyright (C) 2004--2012 Han-Wen Nienhuys +;;;; +;;;; LilyPond is free software: you can redistribute it and/or modify +;;;; it under the terms of the GNU General Public License as published by +;;;; the Free Software Foundation, either version 3 of the License, or +;;;; (at your option) any later version. +;;;; +;;;; LilyPond is distributed in the hope that it will be useful, +;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;;; GNU General Public License for more details. +;;;; +;;;; You should have received a copy of the GNU General Public License +;;;; along with LilyPond. If not, see . ;; TODO: ;; ;; lookup-font should be written in C. ;; -;; should dump tree to .texi as internal documentation -;; -;; * should extract design sizes from fonts: fonts should -;; be read off the disk, on demand, something like: -;; -;; cmr -> ((font-load "cmr6") (font-load "cmr8") .. ) -;; + +;; We have a tree, where each level of the tree is a qualifier +;; (eg. encoding, family, shape, series etc.) this defines the levels +;; in the tree. The first one is encoding, so we can directly select +;; between text or music in the first step of the selection. +(define default-qualifier-order + '(font-encoding font-family font-shape font-series)) (define-class - () - ) + ()) (define-class () (default-size #:init-keyword #:default-size) @@ -30,55 +43,52 @@ (make #:default-size size #:size-vector size-font-vector)) (define (make-font-tree-node - qualifier default) + qualifier default) (make - #:qualifier qualifier - #:default default - #:children (make-hash-table 11))) + #:qualifier qualifier + #:default default + #:children (make-hash-table 11))) (define-method (display (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 ) 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")) + (for-each (lambda (x) (display x port)) + (list + "#" + ))) +(define-method (display (node ) port) + (for-each + (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 ) 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))) - )) + (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)) @@ -87,336 +97,161 @@ ((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))) - - + (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))) + (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)))) - + (add-font child new-fprops size-family)))) (define-method (add-font (node ) fprops size-family) (throw "must add to node, not leaf")) - (define-method (g-lookup-font (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))) + (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) - ))) + (g-lookup-font desired-child alist-chain) + (g-lookup-font (hashq-ref (font-children node) def) alist-chain)))) (define-method (g-lookup-font (node ) alist-chain) node) -;; two step call is handy for debugging. +;; 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) +;; TODO - we could actually construct this by loading all OTFs and +;; inspecting their design size fields. +(define-public feta-design-size-mapping + '((11 . 11.22) + (13 . 12.60) + (14 . 14.14) + (16 . 15.87) + (18 . 17.82) + (20 . 20) + (23 . 22.45) + (26 . 25.20))) + +;; 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 name family design-size-alist factor) + "Set up music fonts. + +Arguments: +@itemize +@item +@var{node} is the font tree to modify. + +@item +@var{name} is the basename for the music font. +@file{@var{name}-.otf} should be the music font, +@file{@var{name}-brace.otf} should have piano braces. + +@item +@var{family} is the family name of the music font. + +@item +@var{design-size-alist} is a list of @code{(rounded . designsize)}. +@code{rounded} is a suffix for font filenames, while @code{designsize} +should be the actual design size. The latter is used for text fonts +loaded through pango/@/fontconfig. + +@item +@var{factor} is a size factor relative to the default size that is being +used. This is used to select the proper design size for the text fonts. +@end itemize" (for-each (lambda (x) (add-font node - (list (cons 'font-encoding (car x))) - (cons (* factor (cadr x)) - (caddr x)))) - `((fetaNumber 10 - #(,(delay (ly:font-load "feta-nummer4")) - ,(delay (ly:font-load "feta-nummer6")) - ,(delay (ly:font-load "feta-nummer8")) - ,(delay (ly:font-load "feta-nummer10")) - ,(delay (ly:font-load "feta-nummer12")) - ,(delay (ly:font-load "feta-nummer16")))) - (fetaDynamic 14.0 #(,(delay (ly:font-load "feta-din6")) - ,(delay (ly:font-load "feta-din8")) - ,(delay (ly:font-load "feta-din10")) - ,(delay (ly:font-load "feta-din12")) - ,(delay (ly:font-load "feta-din14")) - ,(delay (ly:font-load "feta-din17")) - )) - (fetaMusic 20.0 - #(,(delay (ly:make-virtual-font - (ly:font-load "feta11") - (ly:font-load "parmesan11"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta13") - (ly:font-load "parmesan13"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta14") - (ly:font-load "parmesan14"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta16") - (ly:font-load "parmesan16"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta18") - (ly:font-load "parmesan18"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta20") - (ly:font-load "parmesan20"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta23") - (ly:font-load "parmesan23"))) - ,(delay (ly:make-virtual-font - (ly:font-load "feta26") - (ly:font-load "parmesan26"))) - )) - - (fetaBraces 15 #(,(delay - (ly:make-virtual-font - (ly:font-load "feta-braces-a") - (ly:font-load "feta-braces-b") - (ly:font-load "feta-braces-c") - (ly:font-load "feta-braces-d") - (ly:font-load "feta-braces-e") - (ly:font-load "feta-braces-f") - (ly:font-load "feta-braces-g") - (ly:font-load "feta-braces-h") - (ly:font-load "feta-braces-i")) - )))))) - - -(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) . - (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) . - (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) . - (10.0 . #(,(delay (ly:font-load "cmti7")) - ,(delay (ly:font-load "cmti10")) - ,(delay (ly:font-load "cmti12")) - ))) - (#(roman italic bold) . - (10.0 . #(,(delay (ly:font-load "cmbxti8")) - ,(delay (ly:font-load "cmbxti10")) - ,(delay (ly:font-load "cmbxti14")) - ))) - - (#(roman caps medium) . - (10.0 . #(,(delay (ly:font-load "cmcsc10"))))) - - (#(roman upright bold-narrow ) . - (10.0 . #(,(delay (ly:font-load "cmb10")) - ))) - - (#(sans upright medium) . - (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) . - (10.0 . #(,(delay (ly:font-load "cmtt8")) - ,(delay (ly:font-load "cmtt10")) - ,(delay (ly:font-load "cmtt12")) - ))))) - - ;; lmodern: super-cm using metapost - ;; lm.map: Reencoding, at fontlevel for TeX ?: - ;; cork-lmb10 LMRomanDemi10-Regular "enccorklm ReEncodeFont" vector + (map (lambda (tup) + (cons (ly:pt (cdr tup)) + (format #f "~a-~a ~a" + name + (car tup) + (ly:pt (cdr tup))))) + design-size-alist))) + (fetaMusic ,(ly:pt 20.0) + ,(list->vector + (map (lambda (size-tup) + (delay (ly:system-font-load + (format #f "~a-~a" name (car size-tup))))) + design-size-alist + ))) + (fetaBraces ,(ly:pt 20.0) + #(,(delay (ly:system-font-load + (format #f "~a-brace" name))))) + ))) + +(define-public (add-pango-fonts node lily-family family factor) + ;; Synchronized with the `text-font-size' variable in + ;; layout-set-absolute-staff-size-in-module (see paper.scm). + (define text-font-size (ly:pt (* factor 11.0))) + + (define (add-node shape series) + (add-font node + `((font-family . ,lily-family) + (font-shape . ,shape) + (font-series . ,series) + (font-encoding . latin1) ;; ugh. + ) + `(,text-font-size + . #(,(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 'caps 'normal) + (add-node 'upright 'bold) + (add-node 'italic 'normal) + (add-node 'italic 'bold)) + +(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 "emmentaler" 'feta feta-design-size-mapping 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-serif" "monospace" factor)) - (let - ((n (make-font-tree-node 'font-encoding 'fetaMusic))) - - (add-music-fonts n factor) - (add-century-schoolbook-fonts n factor) - n - )) +(define-public all-text-font-encodings + '(latin1)) +(define-public all-music-font-encodings + '(fetaBraces + fetaMusic + fetaText)) +(define-public (magstep s) + (exp (* (/ s 6) (log 2)))) -(define-public (magstep x) - (exp (* (/ x 6) (log 2)))) +(define-public (magnification->font-size m) + (* 6 (/ (log m) (log 2))))