|
|
|
|
@ -17,17 +17,19 @@
|
|
|
|
|
(provide (all-defined-out))
|
|
|
|
|
|
|
|
|
|
(define-runtime-path quad2-fonts-dir "default-fonts")
|
|
|
|
|
(define-runtime-path default-font-face "default-fonts/default/SourceSerifPro-Regular.otf")
|
|
|
|
|
(define-runtime-path default-font-face "default-fonts/default/regular/SourceSerif4-Regular.otf")
|
|
|
|
|
(define-runtime-path default-font-face-b "default-fonts/default/bold/SourceSerif4-Bold.otf")
|
|
|
|
|
(define-runtime-path default-font-face-i "default-fonts/default/italic/SourceSerif4-It.otf")
|
|
|
|
|
(define-runtime-path default-font-face-bi "default-fonts/default/bold-italic/SourceSerif4-BoldIt.otf")
|
|
|
|
|
(define-runtime-path default-math-face "default-fonts/fallback-math/NotoSansMath-Regular.ttf")
|
|
|
|
|
(define-runtime-path default-emoji-face "default-fonts/fallback-emoji/NotoEmoji-Regular.ttf")
|
|
|
|
|
(define top-font-directory "fonts")
|
|
|
|
|
(define font-file-extensions '(#".otf" #".ttf" #".woff" #".woff2"))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(define (fonts-in-directory dir)
|
|
|
|
|
(for/list ([font-path (in-directory dir)]
|
|
|
|
|
#:when (member (path-get-extension font-path) font-file-extensions))
|
|
|
|
|
font-path))
|
|
|
|
|
font-path))
|
|
|
|
|
|
|
|
|
|
(define (setup-font-path-table [base-path (current-directory)])
|
|
|
|
|
;; create a table of font paths that we can use to resolve references to font names.
|
|
|
|
|
@ -49,47 +51,51 @@
|
|
|
|
|
#:when (directory-exists? font-family-subdir)
|
|
|
|
|
[fonts-in-this-directory (in-value (fonts-in-directory font-family-subdir))]
|
|
|
|
|
[font-path (in-list fonts-in-this-directory)])
|
|
|
|
|
(match-define (list font-path-string family-name)
|
|
|
|
|
(for/list ([x (list font-path font-family-subdir)])
|
|
|
|
|
(path->string (find-relative-path fonts-dir x))))
|
|
|
|
|
(define path-parts (for/list ([part (in-list (explode-path (string->path (string-downcase font-path-string))))])
|
|
|
|
|
(path->string part)))
|
|
|
|
|
(define key
|
|
|
|
|
(cons (string-downcase family-name)
|
|
|
|
|
(cond
|
|
|
|
|
;; special case: if there's only one style in the family directory,
|
|
|
|
|
;; treat it as the regular style, regardless of name
|
|
|
|
|
[(= (length fonts-in-this-directory) 1) 'r]
|
|
|
|
|
;; cases where fonts are in subdirectories named by style
|
|
|
|
|
;; infer style from subdir name
|
|
|
|
|
[(and (member "bold" path-parts) (member "italic" path-parts)) 'bi]
|
|
|
|
|
[(member "bold" path-parts) 'b]
|
|
|
|
|
[(member "italic" path-parts) 'i]
|
|
|
|
|
[else
|
|
|
|
|
;; try to infer from filename alone
|
|
|
|
|
;; TODO: what happens when there is no regular style?
|
|
|
|
|
(define filename (string-downcase (last path-parts)))
|
|
|
|
|
(define filename-contains-bold? (string-contains? filename "bold"))
|
|
|
|
|
(define filename-contains-italic? (string-contains? filename "italic"))
|
|
|
|
|
(cond
|
|
|
|
|
[(and filename-contains-bold? filename-contains-italic?) 'bi]
|
|
|
|
|
[filename-contains-bold? 'b]
|
|
|
|
|
[filename-contains-italic? 'i]
|
|
|
|
|
[else 'r])])))
|
|
|
|
|
;; only set value if there's not one there already.
|
|
|
|
|
;; this means that we only use the first eligible font we find.
|
|
|
|
|
(hash-ref! font-paths key font-path))
|
|
|
|
|
(match-define (list font-path-string family-name)
|
|
|
|
|
(for/list ([x (list font-path font-family-subdir)])
|
|
|
|
|
(path->string (find-relative-path fonts-dir x))))
|
|
|
|
|
(define path-parts (for/list ([part (in-list (explode-path (string->path (string-downcase font-path-string))))])
|
|
|
|
|
(path->string part)))
|
|
|
|
|
(define key
|
|
|
|
|
(cons (string-downcase family-name)
|
|
|
|
|
(cond
|
|
|
|
|
;; special case: if there's only one style in the family directory,
|
|
|
|
|
;; treat it as the regular style, regardless of name
|
|
|
|
|
[(= (length fonts-in-this-directory) 1) 'r]
|
|
|
|
|
;; cases where fonts are in subdirectories named by style
|
|
|
|
|
;; infer style from subdir name
|
|
|
|
|
[(and (member "bold" path-parts) (member "italic" path-parts)) 'bi]
|
|
|
|
|
[(member "bold" path-parts) 'b]
|
|
|
|
|
[(member "italic" path-parts) 'i]
|
|
|
|
|
[else
|
|
|
|
|
;; try to infer from filename alone
|
|
|
|
|
;; TODO: what happens when there is no regular style?
|
|
|
|
|
(define filename (string-downcase (last path-parts)))
|
|
|
|
|
(define filename-contains-bold? (string-contains? filename "bold"))
|
|
|
|
|
(define filename-contains-italic? (string-contains? filename "italic"))
|
|
|
|
|
(cond
|
|
|
|
|
[(and filename-contains-bold? filename-contains-italic?) 'bi]
|
|
|
|
|
[filename-contains-bold? 'b]
|
|
|
|
|
[filename-contains-italic? 'i]
|
|
|
|
|
[else 'r])])))
|
|
|
|
|
;; only set value if there's not one there already.
|
|
|
|
|
;; this means that we only use the first eligible font we find.
|
|
|
|
|
(hash-ref! font-paths key font-path))
|
|
|
|
|
font-paths)
|
|
|
|
|
|
|
|
|
|
(define (make-key font-family [bold #f] [italic #f])
|
|
|
|
|
(cons (string-downcase font-family)
|
|
|
|
|
(cond
|
|
|
|
|
[(and bold italic) 'bi]
|
|
|
|
|
[bold 'b]
|
|
|
|
|
[italic 'i]
|
|
|
|
|
[else 'r])))
|
|
|
|
|
(and font-family
|
|
|
|
|
(cons (string-downcase font-family)
|
|
|
|
|
(cond
|
|
|
|
|
[(and bold italic) 'bi]
|
|
|
|
|
[bold 'b]
|
|
|
|
|
[italic 'i]
|
|
|
|
|
[else 'r]))))
|
|
|
|
|
|
|
|
|
|
(define (font-attrs->path font-paths font-family bold italic)
|
|
|
|
|
(define (font-attrs->path font-paths
|
|
|
|
|
#:family font-family
|
|
|
|
|
#:bold bold
|
|
|
|
|
#:italic italic)
|
|
|
|
|
;; find the font-path corresponding to a certain family name and style.
|
|
|
|
|
(define regular-key (make-key font-family))
|
|
|
|
|
|
|
|
|
|
@ -104,14 +110,17 @@
|
|
|
|
|
(display "(fontconfig lookup unimplemented)")
|
|
|
|
|
#;(for* ([bold (in-list (list #false #true))]
|
|
|
|
|
[italic (in-list (list #false #true))])
|
|
|
|
|
(hash-set! font-paths
|
|
|
|
|
(make-key font-family bold italic)
|
|
|
|
|
(family->path font-family #:bold bold #:italic italic))))
|
|
|
|
|
(hash-set! font-paths
|
|
|
|
|
(make-key font-family bold italic)
|
|
|
|
|
(family->path font-family #:bold bold #:italic italic))))
|
|
|
|
|
(cond
|
|
|
|
|
[(hash-ref font-paths (make-key font-family bold italic) #false)]
|
|
|
|
|
;; try regular style if style-specific key isn't there for b i or bi
|
|
|
|
|
[(and (or bold italic) (hash-ref font-paths regular-key #false))]
|
|
|
|
|
;; otherwise use default
|
|
|
|
|
[(and bold italic) default-font-face-bi]
|
|
|
|
|
[bold default-font-face-b]
|
|
|
|
|
[italic default-font-face-i]
|
|
|
|
|
[else default-font-face]))
|
|
|
|
|
|
|
|
|
|
(define (font-path-string? x)
|
|
|
|
|
@ -119,38 +128,46 @@
|
|
|
|
|
(member (path-get-extension (string->path x)) font-file-extensions)
|
|
|
|
|
#true))
|
|
|
|
|
|
|
|
|
|
(define font-family-attr-keys (list :font-family :font-bold :font-italic))
|
|
|
|
|
|
|
|
|
|
(define (quad-without-font-family-attrs? x)
|
|
|
|
|
(and (quad? x) (for/and ([ak (in-list font-family-attr-keys)])
|
|
|
|
|
(not (quad-ref x ak #false)))))
|
|
|
|
|
|
|
|
|
|
(define-pass (resolve-font-paths qs)
|
|
|
|
|
;; convert references to a font family and style to an font path on disk
|
|
|
|
|
;; we trust it exists because we used `setup-font-path-table!` earlier,
|
|
|
|
|
;; but if not, fallback fonts will kick in, on the idea that a missing font shouldn't stop the show
|
|
|
|
|
#:pre (list-of quad?)
|
|
|
|
|
#:post (list-of quad?)
|
|
|
|
|
;; once we have a font path we don't need the family, bold, or italic keys
|
|
|
|
|
;; because they just exist to help select a font path
|
|
|
|
|
#:post (list-of quad-without-font-family-attrs?)
|
|
|
|
|
(define font-paths (setup-font-path-table))
|
|
|
|
|
|
|
|
|
|
(define (resolve-font-path font-paths attrs)
|
|
|
|
|
(define (resolve-font-path attrs)
|
|
|
|
|
;; convert references to a font family and style to an font path on disk
|
|
|
|
|
;; we trust it exists because we used `setup-font-path-table` earlier,
|
|
|
|
|
;; but if not, fallback fonts will kick in, on the idea that a missing font shouldn't stop the show
|
|
|
|
|
;; we know we have :font-family because this pass is restricted to that key
|
|
|
|
|
(match (hash-ref attrs :font-family)
|
|
|
|
|
[(? font-path-string? ps) (path->complete-path ps)]
|
|
|
|
|
[this-font-family
|
|
|
|
|
(define this-bold (hash-ref attrs :font-bold (λ () (error 'need-default-font-bold))))
|
|
|
|
|
(define this-italic (hash-ref attrs :font-italic (λ () (error 'need-default-font-italic))))
|
|
|
|
|
(font-attrs->path font-paths this-font-family this-bold this-italic)]))
|
|
|
|
|
(hash-ref! attrs :font-path
|
|
|
|
|
(λ ()
|
|
|
|
|
(font-attrs->path font-paths
|
|
|
|
|
#:family (hash-ref attrs :font-family #false)
|
|
|
|
|
#:bold (hash-ref attrs :font-bold #false)
|
|
|
|
|
#:italic (hash-ref attrs :font-italic #false))))
|
|
|
|
|
(for ([key font-family-attr-keys])
|
|
|
|
|
(hash-remove! attrs key)))
|
|
|
|
|
|
|
|
|
|
(do-attr-iteration qs
|
|
|
|
|
#:which-attr :font-family
|
|
|
|
|
#:attr-proc (λ (_ __ attrs) (resolve-font-path font-paths attrs))))
|
|
|
|
|
(for-each-attrs qs resolve-font-path))
|
|
|
|
|
|
|
|
|
|
(define (resolved-font-for-family val #:bold [bold #f] #:italic [italic #f])
|
|
|
|
|
(define qs (list (make-quad #:attrs (make-hasheq
|
|
|
|
|
(list (cons :font-family (string-downcase val))
|
|
|
|
|
(cons :font-bold bold)
|
|
|
|
|
(cons :font-italic italic))))))
|
|
|
|
|
(last (explode-path (quad-ref (car (resolve-font-paths qs)) :font-family))))
|
|
|
|
|
(define qs (list (make-quad
|
|
|
|
|
#:attrs (make-hasheq
|
|
|
|
|
(list (cons :font-family (string-downcase val))
|
|
|
|
|
(cons :font-bold bold)
|
|
|
|
|
(cons :font-italic italic)))
|
|
|
|
|
#:elems null)))
|
|
|
|
|
(last (explode-path (quad-ref (car (resolve-font-paths qs)) :font-path))))
|
|
|
|
|
|
|
|
|
|
(define (parse-em pstr)
|
|
|
|
|
(define em-suffix "em")
|
|
|
|
|
@ -192,7 +209,9 @@
|
|
|
|
|
(check-equal? (resolved-font-for-family "Heading") (build-path "fira-sans-light.otf"))
|
|
|
|
|
(check-equal? (resolved-font-for-family "CODE") (build-path "fira-mono.otf"))
|
|
|
|
|
(check-equal? (resolved-font-for-family "blockquote" #:bold #t) (build-path "fira-sans-bold.otf"))
|
|
|
|
|
(check-equal? (resolved-font-for-family "nonexistent-fam") (build-path "SourceSerifPro-Regular.otf")))
|
|
|
|
|
(check-equal? (resolved-font-for-family "nonexistent-fam") (build-path "SourceSerif4-Regular.otf"))
|
|
|
|
|
(check-equal? (resolved-font-for-family "nonexistent-fam" #:italic #t) (build-path "SourceSerif4-It.otf"))
|
|
|
|
|
(check-equal? (resolved-font-for-family "nonexistent-fam" #:bold #t #:italic #t) (build-path "SourceSerif4-BoldIt.otf")))
|
|
|
|
|
|
|
|
|
|
(define qs (bootstrap-input
|
|
|
|
|
(make-quad #:tag 'div
|
|
|
|
|
@ -200,7 +219,8 @@
|
|
|
|
|
#:elems (list (make-quad #:tag 'span
|
|
|
|
|
#:attrs (make-hasheq (list (cons :font-size "1.5em")))
|
|
|
|
|
#:elems (list (make-quad #:tag 'span
|
|
|
|
|
#:attrs (make-hasheq (list (cons :font-size "200%"))))))))))
|
|
|
|
|
#:attrs (make-hasheq (list (cons :font-size "200%")))
|
|
|
|
|
#:elems null)))))))
|
|
|
|
|
(check-equal? (quad-ref (quad-elems (car (resolve-font-sizes (parse-dimension-strings qs)))) :font-size) 150))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@ -210,11 +230,11 @@
|
|
|
|
|
#:pre (list-of quad?)
|
|
|
|
|
#:post (λ (qs)
|
|
|
|
|
(for/and ([q (in-list qs)])
|
|
|
|
|
(define attrs (quad-attrs q))
|
|
|
|
|
(and
|
|
|
|
|
(hash-has-key? attrs :font-features)
|
|
|
|
|
(not (hash-has-key? attrs :font-features-add))
|
|
|
|
|
(not (hash-has-key? attrs :font-features-subtract)))))
|
|
|
|
|
(define attrs (quad-attrs q))
|
|
|
|
|
(and
|
|
|
|
|
(hash-has-key? attrs :font-features)
|
|
|
|
|
(not (hash-has-key? attrs :font-features-add))
|
|
|
|
|
(not (hash-has-key? attrs :font-features-subtract)))))
|
|
|
|
|
|
|
|
|
|
(define (resolve-font-features-once attrs parent-attrs)
|
|
|
|
|
;; if attrs already has an explicit :font-features key, we don't need to calculate it
|
|
|
|
|
@ -246,7 +266,8 @@
|
|
|
|
|
(cons :font-features-add "swsh")
|
|
|
|
|
(cons :font-features-subtract "liga")))
|
|
|
|
|
#:elems (list (make-quad #:tag 'span
|
|
|
|
|
#:attrs (make-hasheq (list (cons :font-features "hist")))))))))])
|
|
|
|
|
#:attrs (make-hasheq (list (cons :font-features "hist")))
|
|
|
|
|
#:elems null))))))])
|
|
|
|
|
(define q (car (resolve-font-features (convert-set-attr-values (upgrade-attr-keys qs)))))
|
|
|
|
|
(check-equal? (quad-ref q :font-features) (seteq 'ss01 'liga))
|
|
|
|
|
(check-equal? (quad-ref (car (quad-elems q)) :font-features) (seteq 'ss01 'swsh))
|
|
|
|
|
@ -265,7 +286,7 @@
|
|
|
|
|
#:pre (list-of quad?)
|
|
|
|
|
#:post (list-of simple-quad-with-font-path-key?)
|
|
|
|
|
(for ([q (in-list qs)])
|
|
|
|
|
(quad-ref! q :font-path #false)))
|
|
|
|
|
(quad-ref! q :font-path #false)))
|
|
|
|
|
|
|
|
|
|
(define-pass (remove-font-without-char qs)
|
|
|
|
|
;; at this point we have a font-path value for each character
|
|
|
|
|
@ -279,7 +300,7 @@
|
|
|
|
|
[font-path (in-value (quad-ref q :font-path))]
|
|
|
|
|
#:when font-path
|
|
|
|
|
#:unless (char-in-font? font-path (car (quad-elems q))))
|
|
|
|
|
(quad-set! q :font-path #false)))
|
|
|
|
|
(quad-set! q :font-path #false)))
|
|
|
|
|
|
|
|
|
|
(define (simple-quad-with-complete-font-path? q)
|
|
|
|
|
(and (simple-quad? q) (complete-path? (quad-ref q :font-path))))
|
|
|
|
|
@ -290,18 +311,18 @@
|
|
|
|
|
#:pre (list-of simple-quad-with-font-path-key?)
|
|
|
|
|
#:post (list-of simple-quad-with-complete-font-path?)
|
|
|
|
|
(for ([q (in-list qs)])
|
|
|
|
|
(quad-update! q :font-path (λ (val)
|
|
|
|
|
(or
|
|
|
|
|
val
|
|
|
|
|
(match (quad-elems q)
|
|
|
|
|
[(cons (? string? str) _)
|
|
|
|
|
(match (string-ref str 0)
|
|
|
|
|
;; TODO: how to determine fallback priority for alphabetic chars?
|
|
|
|
|
;; they are all `math?`
|
|
|
|
|
;; for now we will use math face for everything that's not emoji
|
|
|
|
|
;; later: test default-font-face to see if it contains the char,
|
|
|
|
|
;; and if not, use math
|
|
|
|
|
[(? unicode:emoji? c) default-emoji-face]
|
|
|
|
|
#;[(? unicode:math? c) default-math-face]
|
|
|
|
|
[_ default-math-face])]
|
|
|
|
|
[_ default-math-face]))))))
|
|
|
|
|
(quad-update! q :font-path (λ (val)
|
|
|
|
|
(or
|
|
|
|
|
val
|
|
|
|
|
(match (quad-elems q)
|
|
|
|
|
[(cons (? string? str) _)
|
|
|
|
|
(match (string-ref str 0)
|
|
|
|
|
;; TODO: how to determine fallback priority for alphabetic chars?
|
|
|
|
|
;; they are all `math?`
|
|
|
|
|
;; for now we will use math face for everything that's not emoji
|
|
|
|
|
;; later: test default-font-face to see if it contains the char,
|
|
|
|
|
;; and if not, use math
|
|
|
|
|
[(? unicode:emoji? c) default-emoji-face]
|
|
|
|
|
#;[(? unicode:math? c) default-math-face]
|
|
|
|
|
[_ default-math-face])]
|
|
|
|
|
[_ default-math-face]))))))
|
|
|
|
|
|
