#lang debug racket/base (require racket/list racket/string racket/format racket/match "quad.rkt" "pipeline.rkt" "struct.rkt" "layout.rkt" "constants.rkt") (provide (all-defined-out)) (define-pass (make-drawing-insts qs) #:pre (list-of has-position?) #:post (list-of $drawing-inst?) (apply append (let ([current-font #false]) (for/list ([q (in-list qs)]) (cond [(eq? boq q) (list ($doc-start))] [(eq? eoq q) (list ($doc-end))] [(bop-quad? q) (list ($page-start (quad-ref q :page-width) (quad-ref q :page-height)))] [(eop-quad? q) (list ($page-end))] [(quad? q) (append (match (quad-ref q :font-path) [(== current-font) null] [font-path (set! current-font font-path) (list ($font font-path))]) (if (pair? (quad-elems q)) (list ($move (quad-posn q)) ($text (char->integer (car (string->list (car (quad-elems q))))))) null))] [else (error 'render-unknown-thing)]))))) (define valid-tokens '(doc-start doc-end page-start page-end text move set-font)) (define-pass (stackify xs) #:pre (list-of $drawing-inst?) #:post string? (define move-points (map $move-posn (filter $move? xs))) (define xmax (if (pair? move-points) (add1 (apply max (map $point-x move-points))) 0)) (define ymax (if (pair? move-points) (add1 (apply max (map $point-y move-points))) 0)) (string-join (for/list ([x (in-list xs)]) (string-join (map ~a (match x [($move ($point x y)) (list y x 'move)] [($text charint) (list charint 'text)] [($font path-string) (list path-string 'set-font)] [($doc-start) '(doc-start)] [($doc-end) '(doc-end)] [($page-start width height) (list height width 'page-start)] [($page-end) '(page-end)] [_ (error 'unknown-drawing-inst)])) " ")) "\n"))