start tracking

main
Matthew Butterick 6 years ago
parent aa5bd0564c
commit 28160f5396

@ -18,7 +18,7 @@
(define-tag-function (p attrs exprs)
;; no font-family so that it adopts whatever the surrounding family is
(qexpr (append `((keep-first "2")(keep-last "3")(font-size "12") (hyphenate "true") (display ,(symbol->string (gensym)))) attrs) exprs))
(qexpr (append `((keep-first "2")(keep-last "3")(font-size "12") (character-tracking "0") (hyphenate "true") (display ,(symbol->string (gensym)))) attrs) exprs))
(define-tag-function (hr attrs exprs)
hrbr)
@ -112,15 +112,16 @@
;; draw with pdf text routine
#:draw (λ (q doc)
(when (pair? (quad-elems q))
(font doc (path->string (hash-ref (quad-attrs q) font-path-key)))
(font-size doc (hash-ref (quad-attrs q) 'font-size 12))
(fill-color doc (hash-ref (quad-attrs q) 'color "black"))
(font doc (path->string (quad-ref q font-path-key)))
(font-size doc (quad-ref q 'font-size 12))
(fill-color doc (quad-ref q 'color "black"))
(define str (unsafe-car (quad-elems q)))
(match-define (list x y) (quad-origin q))
(text doc str x y
#:bg (hash-ref (quad-attrs q) 'bg #f)
#:tracking (quad-ref q 'character-tracking 0)
#:bg (quad-ref q 'bg #f)
#:features (list (cons #"tnum" 1))
#:link (hash-ref (quad-attrs q) 'link #f))))
#:link (quad-ref q 'link #f))))
#:draw-end (if draw-debug-string?
(λ (q doc) (draw-debug q doc "#99f" "#ccf"))
void)))
@ -144,7 +145,12 @@
[str
(font-size doc (quad-ref q 'font-size default-font-size))
(font doc (path->string (quad-ref q font-path-key default-font-face)))
(string-width doc str)]
(+ (string-width doc str
#:tracking (quad-ref q 'character-tracking 0))
;; add one more dose because `string-width` only adds it intercharacter,
;; and this quad will be adjacent to another
;; (so we need to account for the "inter-quad" space
(quad-ref q 'character-tracking 0))]
[else 0]))
(list string-size (quad-ref q 'line-height (current-line-height doc)))))

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