more HTML renderer

main
Matthew Butterick 3 years ago
parent 7f374ee974
commit ea88ccb05e

@ -83,14 +83,6 @@
(λ () (for-each displayln (map (λ (target) (make-object image-snip% target)) targets))))))
(define (html-renderer html-file)
#;(doc-start-func
doc-end-func
page-start-func
page-end-func
text-func
set-font-func
move-func
return-func)
(let ([xmax 0]
[ymax 0]
[em-scale 30]
@ -108,11 +100,11 @@
(set! ymax height))
(λ ()
(set! pages (cons `(div ((class "page")
(style ,(format "position: relative;width:~a;height:~a;border:1px solid black;background:white" (* xmax em-scale) (* ymax em-scale)))) ,@(reverse page-quads)) pages))
(style ,(format "position: relative;width:~apx;height:~apx;border:1px solid black;background:white" (* xmax em-scale) (* ymax em-scale)))) ,@(reverse page-quads)) pages))
(set! page-quads null))
(λ (charint)
(set! page-quads (cons
`(div ((style ,(format "position: absolute;left:~a;top:~a;font-family;~a" (* em-scale (real-part current-loc)) (* em-scale (imag-part current-loc)) current-font)))
`(div ((style ,(format "position: absolute;left:~apx;top:~apx;font-family:~a" (* em-scale (real-part current-loc)) (* em-scale (imag-part current-loc)) current-font)))
,(string (integer->char charint))) page-quads)))
(λ (ps)
(set! current-font (hash-ref! fonts ps (λ () (gensym 'font)))))
@ -121,14 +113,14 @@
(with-output-to-file html-file
#:exists 'replace
(λ ()
#;(displayln "<!DOCTYPE html>")
(displayln "<!DOCTYPE html>")
(display-xml/content
(xexpr->xml `(html
(head (style ((type "text/css"))
,(string-join
(for/list ([(ps fontsym) (in-hash fonts)])
(format "@font-face { font-family: \"~a\";\nsrc: file(\"~a\");}" fontsym ps)))))
(body ((style "background: gray"))
(format "@font-face { font-family: \"~a\";\nsrc: url(\"~a\");}" fontsym ps)))))
(body ((style "background: #ddd"))
,@pages))))))))))
(define (render inst-str #:using [renderer (current-renderer)])

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