X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Ffont.scm;h=f7b71e53f8129a8653654d865856b786d840b2c0;hb=0a307371e831a7e956ce4ebee3a35d6c979e2dda;hp=103390097614d45e88a178ec0442e6d515bcd4da;hpb=4f0fd7c93429fb5641f759caf65dc8687c7af4e2;p=lilypond.git diff --git a/scm/font.scm b/scm/font.scm index 1033900976..f7b71e53f8 100644 --- a/scm/font.scm +++ b/scm/font.scm @@ -1,14 +1,32 @@ -;;;; font.scm -- construct font trees +;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; source file of the GNU LilyPond music typesetter -;;;; -;;;; (c) 2004--2007 Han-Wen Nienhuys +;;;; Copyright (C) 2004--2010 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. ;; +;; 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 ()) @@ -28,14 +46,14 @@ qualifier default) (make #:qualifier qualifier - #:default default + #:default default #:children (make-hash-table 11))) (define-method (display (leaf ) port) (map (lambda (x) (display x port)) (list "#" ))) @@ -50,7 +68,7 @@ "(def: " (font-default node) ") {\n")) - (for-each + (for-each (lambda (x) (display "\n") (display (car x) port) @@ -59,13 +77,11 @@ (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)) @@ -117,51 +133,68 @@ (define (lookup-font node alist-chain) (g-lookup-font node alist-chain)) - -;; Ugh. Currently, we load the PFB Feta fonts for `fetaDynamic' with -;; Pango. This should be changed to load the Emmentaler fonts instead -;; (with Pango too), but then we need support for a `font-style' -;; property which isn't implemented yet. -(define feta-alphabet-size-vector - (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))))) +;; 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 factor) +(define-public (add-music-fonts node name family design-size-alist factor) + "Setup music fonts. + +Arguments: + NODE the font tree to modify. + NAME is the basename for the music font. NAME-DESIGNSIZE.otf should be the music font, + NAME-brace.otf should have piano braces. + DESIGN-SIZE-ALIST is a list of (ROUNDED . DESIGN-SIZE). ROUNDED is + as suffix for font filenames, while DESIGN-SIZE should be the actual + design size. The latter is used for text fonts loaded through + pango/fontconfig + FACTOR is size factor relative to default size that is being used. + This is used to select the proper design size for the text fonts. +" (for-each (lambda (x) (add-font node - (list (cons 'font-encoding (car x))) + (list (cons 'font-encoding (car x)) + (cons 'font-family family)) (cons (* factor (cadr x)) (caddr x)))) - `((fetaDynamic ,(ly:pt 20.0) ,feta-alphabet-size-vector) - (fetaNumber ,(ly:pt 20.0) ,feta-alphabet-size-vector) + + `((fetaText ,(ly:pt 20.0) + ,(list->vector + (map (lambda (tup) + (cons (ly:pt (cdr tup)) + (format "~a-~a ~a" + name + (car tup) + (ly:pt (cdr tup))))) + design-size-alist))) (fetaMusic ,(ly:pt 20.0) - #(,(delay (ly:system-font-load "emmentaler-11")) - ,(delay (ly:system-font-load "emmentaler-13")) - ,(delay (ly:system-font-load "emmentaler-14")) - ,(delay (ly:system-font-load "emmentaler-16")) - ,(delay (ly:system-font-load "emmentaler-18")) - ,(delay (ly:system-font-load "emmentaler-20")) - ,(delay (ly:system-font-load "emmentaler-23")) - ,(delay (ly:system-font-load "emmentaler-26")))) + ,(list->vector + (map (lambda (size-tup) + (delay (ly:system-font-load + (format "~a-~a" name (car size-tup))))) + design-size-alist + ))) (fetaBraces ,(ly:pt 20.0) - #(,(delay (ly:system-font-load "aybabtu"))))))) - + #(,(delay (ly:system-font-load + (format "~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) @@ -169,7 +202,7 @@ (font-series . ,series) (font-encoding . latin1) ;; ugh. ) - `(,(ly:pt (* factor 11.0)) + `(,text-font-size . #(,(cons (ly:pt 12) (ly:make-pango-description-string @@ -178,15 +211,15 @@ (font-shape . ,shape))) (ly:pt 12))))))) - (add-node 'upright 'normal) - (add-node 'caps 'normal) - (add-node 'upright 'bold) + (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 factor) + (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) @@ -194,8 +227,16 @@ (define-public (make-century-schoolbook-tree factor) (make-pango-font-tree - "Century Schoolbook L" - "Sans" "Mono" factor)) + "Century Schoolbook L,serif" + "sans-serif" "monospace" factor)) + +(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))))