(define-module (scm output-ps)
#:re-export (quote)
- #:export (define-fonts
- unknown
- output-paper-def
- output-scopes
- select-font
+
+ ;; JUNK this -- see lily.scm: ly:all-output-backend-commands
+ #:export (unknown
blank
dot
+ white-dot
beam
bracket
dashed-slur
symmetric-x-triangle
ez-ball
comment
- end-output
- experimental-on
repeat-slash
- header-end
- header
placebox
bezier-sandwich
- start-system
- stop-system
- stop-last-system
horizontal-line
+ embedded-ps
filledbox
round-filled-box
text
+ white-text
tuplet
polygon
draw-line
- define-origin
no-origin
- start-page
- stop-page
))
+
(use-modules (guile)
(ice-9 regex)
(srfi srfi-1)
(srfi srfi-13)
+ (scm framework-ps)
(lily))
-;;; Global vars
-(define page-count 0)
-(define page-number 0)
+
+;;(map export
+;; (append (ly:all-stencil-expressions) (ly:all-output-backend-commands)))
+
+;; huh?
+;;(write (ly:all-output-backend-commands))
+;;(write (ly:all-stencil-expressions))
+
;;; helper functions, not part of output interface
(define (escape-parentheses s)
(escape-parentheses text))
;; FIXME: lily-def
-(define (ps-string-def prefix key val)
+(define-public (ps-string-def prefix key val)
(string-append "/" prefix (symbol->string key) " ("
(escape-parentheses val)
") def\n"))
+
(define (ps-number-def prefix key val)
(let ((s (if (integer? val)
(ly:number->string val)
(ly:number->string (exact->inexact val)))))
(string-append "/" prefix (symbol->string key) " " s " def\n")))
-(define (tex-font? fontname)
- (equal? (substring fontname 0 2) "cm"))
-
;;;
;;; Lily output interface, PostScript implementation --- cleanup and docme
(define (char font i)
(string-append
- (font-command font) " setfont "
+ (ps-font-command font) " setfont "
"(\\" (ly:inexact->string i 8) ") show" ))
-(define (comment s)
- (string-append "% " s "\n"))
-
(define (dashed-line thick on off dx dy)
(string-append
(ly:number->string dx) " "
(ly:number->string (* 10 thick))
" ] 0 draw_dashed_slur"))
-;; FIXME -- now that we can have ENCODING == #f, this can be
-;; simplified, esp OVERRIDE-CODING-COMMAND
-(define (font-command font . override-coding-command)
- (let* ((name (ly:font-filename font))
- (magnify (ly:font-magnification font))
- (coding-alist (ly:font-encoding-alist font))
- (input-encoding (assoc-get 'input-name coding-alist))
- (font-encoding (assoc-get 'output-name coding-alist))
- (coding-command (if (not (null? override-coding-command))
- (car override-coding-command)
- (if font-encoding
- (get-coding-command font-encoding)
- #f))))
+; todo: merge with tex-font-command?
- (string-append
- "magfont" (string-encode-integer (hashq name 1000000))
- "m" (string-encode-integer (inexact->exact (round (* 1000 magnify))))
- (if (or (not font-encoding) (equal? input-encoding font-encoding)) ""
- (string-append "e" coding-command)))))
-
-(define (define-fonts paper font-list)
-
- (define (define-font command fontname scaling)
- (string-append
- "/" command " { /" fontname " findfont "
- (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
-
- (define (reencode-font plain encoding command)
- (let ((coding-vector (get-coding-command encoding)))
- (string-append
- plain " " coding-vector " /" command " reencode-font\n"
- "/" command "{ /" command " findfont 1 scalefont } bind def\n")))
-
- (define (guess-ps-fontname basename)
- "We do not have the FontName, try to guess is from basename."
- (cond
- ((tex-font? basename)
- ;; FIXME: we need proper Fontmap for the bluesky CM*, EC* fonts.
- ;; Only the fonts that we trace in mf/ are in our own FontMap.
- (string-append basename ".pfb"))
- (else (string-append basename ".pfa"))
- ))
-
- (define (font-load-command paper font)
- (let* ((specced-font-name (ly:font-name font))
- (fontname (if specced-font-name
- specced-font-name
- (guess-ps-fontname (ly:font-filename font))))
-
- (coding-alist (ly:font-encoding-alist font))
- (input-encoding (assoc-get 'input-name coding-alist))
- (font-encoding (assoc-get 'output-name coding-alist))
- (command (font-command font))
- ;; FIXME -- see (font-command )
- (plain (if font-encoding (get-coding-command font-encoding)
- command))
- (designsize (ly:font-design-size font))
- (magnification (* (ly:font-magnification font)))
- (ops (ly:paper-lookup paper 'outputscale))
- (scaling (* ops magnification designsize)))
-
- (string-append
- (define-font plain fontname scaling)
- (if (or (equal? input-encoding font-encoding)
- ;; guh
- (equal? font-encoding "fetaBraces")
- (equal? font-encoding "fetaNumber")
- (equal? font-encoding "fetaMusic")
- (equal? font-encoding "parmesanMusic"))
- ""
- (reencode-font plain input-encoding command)))))
-
- (define (font-load-encoding encoding)
- (let ((filename (get-coding-filename encoding)))
- (ly:kpathsea-gulp-file filename)))
-
- (let* ((encoding-list (map (lambda (x)
- (assoc-get 'input-name
- (ly:font-encoding-alist x)))
- font-list))
- (encodings (uniq-list (sort-list (filter string? encoding-list)
- string<?))))
-
- (string-append
- (apply string-append (map font-load-encoding encodings))
- (apply string-append
- (map (lambda (x) (font-load-command paper x)) font-list)))))
-
-(define (define-origin file line col) "")
+(define (embedded-ps string)
+ string)
(define (dot x y radius)
(string-append
(ly:numbers->string
(list x y radius)) " draw_dot"))
+(define (white-dot x y radius)
+ (string-append
+ " "
+ (ly:numbers->string
+ (list x y radius)) " draw_white_dot"))
+
(define (draw-line thick x1 y1 x2 y2)
(string-append
"1 setlinecap 1 setlinejoin "
(ly:number->string x2) " "
(ly:number->string y2) " lineto stroke"))
-(define (end-output)
- "\nend-lilypond-output\n")
-
(define (ez-ball ch letter-col ball-col)
(string-append
" (" ch ") "
" /Helvetica-Bold " ;; ugh
" draw_ez_ball"))
-(define (filledbox breapth width depth height)
+(define (filledbox breapth width depth height) ; FIXME : use draw_round_box
(string-append (ly:numbers->string (list breapth width depth height))
" draw_box"))
-(define (header creator time-stamp page-count-)
- (set! page-count page-count-)
- (set! page-number 0)
- (string-append
- "%!PS-Adobe-3.0\n"
- "%%Creator: " creator " " time-stamp "\n"
- "%%Pages: " (number->string page-count) "\n"
- "%%PageOrder: Ascend\n"
- ;; FIXME: TODO get from paper
- ;; "%%DocumentPaperSizes: a6\n"
- ;;(string-append "GNU LilyPond (" (lilypond-version) "), ")
- ;; (strftime "%c" (localtime (current-time))))
- ;; FIXME: duplicated in every backend
- (ps-string-def
- "lilypond" 'tagline
- (string-append "Engraved by LilyPond (version " (lilypond-version) ")"))))
-
-(define (header-end)
- (string-append
- (ly:gulp-file "lilyponddefs.ps")
- (ly:gulp-file "music-drawing-routines.ps")))
-
+;; WTF is this in every backend?
(define (horizontal-line x1 x2 th)
- (draw-line th x1 0 x2 0))
+ (draw-line th x1 0 x2 0))
(define (lily-def key val)
(let ((prefix "lilypondpaper"))
(string-append "/" key " {" val "} bind def\n")
(string-append "/" key " (" val ") def\n"))))
-(define (no-origin) "")
-
-;; FIXME: duplictates output-scopes, duplicated in other backends
-;; FIXME: silly interface name
-(define (output-paper-def pd)
- (let ((prefix "lilypondpaper"))
-
- (define (scope-entry->string key var)
- (if (variable-bound? var)
- (let ((val (variable-ref var)))
- (cond
- ((string? val) (ps-string-def prefix key val))
- ((number? val) (ps-number-def prefix key val))
- (else "")))
- ""))
-
- (apply
- string-append
- (module-map scope-entry->string (ly:output-def-scope pd)))))
-
-;; FIXME: duplicated in other output backends
-;; FIXME: silly interface name
-(define (output-scopes paper scopes fields basename)
- (let ((prefix "lilypond"))
-
- ;; FIXME: duplicates output-paper's scope-entry->string, mostly
- (define (scope-entry->string key var)
- (if (variable-bound? var)
- (let ((val (variable-ref var)))
- (if (and (memq key fields) (string? val))
- (header-to-file basename key val))
- (cond
- ((string? val) (ps-string-def prefix key val))
- ((number? val) (ps-number-def prefix key val))
- (else "")))
- ""))
-
- (define (output-scope scope)
- (apply string-append (module-map scope-entry->string scope)))
-
- (string-append (apply string-append (map output-scope scopes)))))
-
-;; hmm, looks like recursing call is always last statement, does guile
-;; think so too?
-(define (output-stencil port expr offset)
- (if (pair? expr)
- (let ((head (car expr)))
- (cond
- ((ly:input-location? head)
- (display (apply define-origin (ly:input-location head)) port)
- (output-stencil port (cadr expr) offset))
- ((eq? head 'no-origin)
- (display (expression->string head) port)
- (output-stencil port (cadr expr) offset))
- ((eq? head 'translate-stencil)
- (output-stencil port (caddr expr) (offset-add offset (cadr expr))))
- ((eq? head 'combine-stencil)
- (output-stencil port (cadr expr) offset)
- (output-stencil port (caddr expr) offset))
- (else
- (display (placebox (car offset) (cdr offset)
- (expression->string expr)) port))))))
(define (placebox x y s)
(string-append
(ly:numbers->string
(list x y width height blotdiam)) " draw_round_box"))
-(define (start-system origin dim)
- (string-append
- "\n" (ly:number-pair->string origin) " start-system\n"
- "{\n"
- "set-ps-scale-to-lily-scale\n"))
-(define (stem breapth width depth height)
+(define (stem breapth width depth height) ; FIXME: use draw_round_box.
(string-append
(ly:numbers->string (list breapth width depth height))
" draw_box" ))
-(define (stop-system last?)
- "} stop-system\n")
-
(define (symmetric-x-triangle thick w h)
(string-append
(ly:numbers->string (list h w thick))
" draw_symmetric_x_triangle"))
(define (text font s)
- (string-append (font-command font) " setfont "
- "(" (ps-encoding s) ") show"))
+ (let*
+
+ ;; ugh, we should find a better way to
+ ;; extract the hsbw for /space from the font.
+
+ ((space-length (cdar (ly:text-dimension font "t")))
+ (commands '())
+ (add-command (lambda (x) (set! commands (cons x commands)))) )
+
+ (string-fold
+ (lambda (chr word)
+ "Translate space as into moveto, group the rest in words."
+ (if (and (< 0 (string-length word))
+ (equal? #\space chr))
+ (add-command
+ (string-append "(" (ps-encoding word) ") show\n")))
+
+ (if (equal? #\space chr)
+ (add-command (string-append (number->string space-length) " 0.0 rmoveto ")) )
+
+ (if (equal? #\space chr)
+ ""
+ (string-append word (make-string 1 chr))))
+ ""
+ (string-append s " "))
+
+ (string-append
+ (ps-font-command font) " setfont "
+ (string-join (reverse commands)))
+ ))
+
+
+(define (white-text scale s)
+ (let ((mystring (string-append "(" s ") " (number->string scale) " /Helvetica-bold "
+ " draw_white_text")))
+ mystring))
(define (unknown)
"\n unknown\n")
(ly:number->string dy)
" draw_zigzag_line"))
-(define (start-page)
- (set! page-number (+ page-number 1))
- (string-append
- "%%Page: " (number->string page-number) " " (number->string page-count) "\n"
- "start-page\n"))
-(define (stop-page last?)
- (if last?
- "\nstop-last-page\n"
- "\nstop-page\n"))
+(define (grob-cause grob)
+ "")
+
+(define (no-origin)
+ "")