-;;;; ps.scm -- implement Scheme output routines for PostScript
+;;;; output-ps.scm -- implement Scheme output interface for PostScript
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; Note: currently misused as testbed for titles with markup, see
+;;;; input/test/title-markup.ly
+;;;;
+;;;; TODO:
+;;;; * %% Papersize in (header ...)
+;;;; * text setting, kerning.
+;;;; * document output-interface
(debug-enable 'backtrace)
-
-(define-module (scm output-ps))
-(define this-module (current-module))
-
-(use-modules
- (guile)
- (ice-9 regex)
- (lily))
-
-
-
-;;; Lily output interface --- cleanup and docme
-
-;; TODO: fucks up if outputting strings with parentheses.
-
-;; Module entry
-(define-public (ps-output-expression expr port)
- (display (eval expr this-module) port))
-
-
-;; Global vars
-
-;; alist containing fontname -> fontcommand assoc (both strings)
-(define font-name-alist '())
-
-
-;; Interface functions
-(define (beam width slope thick)
+(define-module (scm output-ps)
+ #:re-export (quote)
+
+ ;; JUNK this -- see lily.scm: ly:all-output-backend-commands
+ #:export (unknown
+ blank
+ dot
+ white-dot
+ beam
+ bracket
+ dashed-slur
+ char
+ named-glyph
+ dashed-line
+ zigzag-line
+ ez-ball
+ comment
+ repeat-slash
+ placebox
+ bezier-sandwich
+ horizontal-line
+ embedded-ps
+ filledbox
+ round-filled-box
+ text
+ white-text
+ polygon
+ draw-line
+ no-origin
+ ))
+
+
+(use-modules (guile)
+ (ice-9 regex)
+ (srfi srfi-1)
+ (srfi srfi-13)
+ (scm framework-ps)
+ (lily))
+
+
+;;(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)
+ (regexp-substitute/global #f "(^|[^\\])([\\(\\)])" s 'pre 1 "\\" 2 'post))
+
+(define (offset-add a b)
+ (cons (+ (car a) (car b))
+ (+ (cdr a) (cdr b))))
+
+(define (ps-encoding text)
+ (escape-parentheses text))
+
+;; FIXME: lily-def
+(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")))
+
+
+;;;
+;;; Lily output interface, PostScript implementation --- cleanup and docme
+;;;
+
+;;; Output-interface functions
+(define (beam width slope thick blot)
(string-append
- (numbers->string (list slope width thick)) " draw_beam" ))
+ (ly:numbers->string (list slope width thick blot)) " draw_beam" ))
;; two beziers
-(define (bezier-sandwich l thick)
+(define (bezier-sandwich lst thick)
(string-append
- (apply string-append (map number-pair->string l))
+ (string-join (map ly:number-pair->string lst) " ")
+ " "
(ly:number->string thick)
- " draw_bezier_sandwich "))
+ " draw_bezier_sandwich"))
(define (bracket arch_angle arch_width arch_height height arch_thick thick)
(string-append
- (numbers->string
+ (ly:numbers->string
(list arch_angle arch_width arch_height height arch_thick thick))
" draw_bracket"))
-(define (symmetric-x-triangle thick w h)
- (string-append
- (numbers->string (list h w thick))
- " draw_symmetric_x_triangle"))
-
-
-(define (char i)
+(define (char font i)
(string-append
- "(\\" (inexact->string i 8) ") show " ))
-
-
-(define (comment s)
- (string-append "% " s "\n"))
+ (ps-font-command font) " setfont "
+ "(\\" (ly:inexact->string i 8) ") show" ))
+(define (named-glyph font glyph)
+ (string-append
+ (ps-font-command font) " setfont "
+ "/" glyph " glyphshow "))
(define (dashed-line thick on off dx dy)
(string-append
- (ly:number->string dx)
- " "
- (ly:number->string dy)
- " "
+ (ly:number->string dx) " "
+ (ly:number->string dy) " "
(ly:number->string thick)
" [ "
- (ly:number->string on)
- " "
+ (ly:number->string on) " "
(ly:number->string off)
" ] 0 draw_dashed_line"))
;; what the heck is this interface ?
(define (dashed-slur thick dash l)
(string-append
- (apply string-append (map number-pair->string l))
+ (string-join (map ly:number-pair->string l) " ")
+ " "
(ly:number->string thick)
" [ "
(ly:number->string dash)
(ly:number->string (* 10 thick))
" ] 0 draw_dashed_slur"))
-(define lily-traced-cm-fonts
- (map symbol->string
- '(cmbx14
- cmbx17
- cmbxti12
- cmbxti14
- cmbxti7
- cmbxti8
- cmcsc12
- cmcsc7
- cmtt17)))
-
-(define (define-fonts internal-external-name-mag-pairs)
-
- (define (font-load-command name-mag command)
-
- ;; frobnicate NAME to jibe with external definitions.
- (define (possibly-capitalize-font-name name)
- (cond
- ((and (equal? (substring name 0 2) "cm")
- (not (member name lily-traced-cm-fonts)))
- (string-upcase name))
- ((equal? (substring name 0 4) "feta")
- (regexp-substitute/global #f "feta([a-z-]*)([0-9]+)" name 'pre "GNU-LilyPond-feta" 1 "-" 2 'post))
- (else name)))
-
- (string-append
- "/" command
- " { /"
- ;; Ugh, the Bluesky type1 fonts for computer modern use capitalized
- ;; postscript font names.
- (possibly-capitalize-font-name (car name-mag))
- " findfont "
- "20 " (ly:number->string (cdr name-mag)) " mul "
- "output-scale div scalefont setfont } bind def "
- "\n"))
-
- (define (ps-encoded-fontswitch name-mag-pair)
- (let* ((key (car name-mag-pair))
- (value (cdr name-mag-pair)))
- (cons key
- (cons value
- (string-append "lilyfont"
- (car value)
- "-"
- (number->string (cdr value)))))))
-
- (set! font-name-alist (map ps-encoded-fontswitch
- internal-external-name-mag-pairs))
-
- (apply string-append
- (map (lambda (x) (font-load-command (car x) (cdr x)))
- (map cdr font-name-alist))))
+; todo: merge with tex-font-command?
-(define (define-origin file line col) "")
+(define (embedded-ps string)
+ string)
(define (dot x y radius)
(string-append
" "
- (numbers->string
+ (ly:numbers->string
(list x y radius)) " draw_dot"))
-(define (zigzag-line centre? zzw zzh thick dx dy)
+(define (white-dot x y radius)
(string-append
- (if centre? "true" "false")
- " "
- (ly:number->string zzw)
- " "
- (ly:number->string zzh)
- " "
- (ly:number->string thick)
- " 0 0 "
- (ly:number->string dx)
- " "
- (ly:number->string dy)
- " draw_zigzag_line "))
+ " "
+ (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 thick)
- " setlinewidth "
- (ly:number->string x1)
- " "
- (ly:number->string y1)
- " moveto "
- (ly:number->string x2)
- " "
- (ly:number->string y2)
- " lineto stroke"))
-
-(define (polygon points blotdiameter)
- (string-append
- " "
- (numbers->string points)
- (ly:number->string (/ (length points) 2))
- (ly:number->string blotdiameter)
- " draw_polygon"))
-
-(define (end-output)
- "\nend-lilypond-output\n")
+ "1 setlinecap 1 setlinejoin "
+ (ly:number->string thick) " setlinewidth "
+ (ly:number->string x1) " "
+ (ly:number->string y1) " moveto "
+ (ly:number->string x2) " "
+ (ly:number->string y2) " lineto stroke"))
(define (ez-ball ch letter-col ball-col)
(string-append
" (" ch ") "
- (numbers->string (list letter-col ball-col))
+ (ly:numbers->string (list letter-col ball-col))
" /Helvetica-Bold " ;; ugh
" draw_ez_ball"))
-(define (filledbox breapth width depth height)
- (string-append (numbers->string (list 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"))
+;; WTF is this in every backend?
(define (horizontal-line x1 x2 th)
- (draw-line th x1 0 x2 0))
-
-(define (fontify name-mag-pair exp)
-
- (define (select-font name-mag-pair)
- (let* ((c (assoc name-mag-pair font-name-alist)))
- (if (eq? c #f)
- (begin
- (display "FAILED\n")
- (display (object-type (car name-mag-pair)))
- (display (object-type (caaar font-name-alist)))
- (ly:warn (string-append
- "Programming error: No such font known "
- (car name-mag-pair) " "
- (ly:number->string (cdr name-mag-pair))))
-
- ;; Upon error, issue no command
- "")
- (string-append " " (cddr c) " "))))
-
- (string-append (select-font name-mag-pair) exp))
-
-(define (header creator generate)
- (string-append
- "%!PS-Adobe-3.0\n"
- "%%Creator: " creator generate "\n"))
-
-(define (header-end)
- (string-append
- ;; URG: now we can't use scm output without Lily
- (ly:gulp-file "lilyponddefs.ps")
- " {exch pop //systemdict /run get exec} "
- (ly:gulp-file "music-drawing-routines.ps")
- "{ exch pop //systemdict /run get exec } "
- ;; ps-testing wreaks havoc when used with lilypond-book.
- ;; -- is this still true with new modules system?
- ;; (if (defined? 'ps-testing) "\n /testing true def" "")
- ;; "\n /testing true def"
- ))
+ (draw-line th x1 0 x2 0))
(define (lily-def key val)
- (let ((prefix "lilypondpaper"))
+ (let ((prefix "lilypondlayout"))
(if (string=?
(substring key 0 (min (string-length prefix) (string-length key)))
prefix)
(string-append "/" key " {" val "} bind def\n")
(string-append "/" key " (" val ") def\n"))))
-(define (no-origin) "")
-
+
(define (placebox x y s)
(string-append
- (ly:number->string x) " " (ly:number->string y) " {" s "} place-box\n"))
+ (ly:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
+
+(define (polygon points blotdiameter)
+ (string-append
+ (ly:numbers->string points) " "
+ (ly:number->string (/ (length points) 2)) " "
+ (ly:number->string blotdiameter)
+ " draw_polygon"))
(define (repeat-slash wid slope thick)
(string-append
- (numbers->string (list wid slope thick))
+ (ly:numbers->string (list wid slope thick))
" draw_repeat_slash"))
(define (round-filled-box x y width height blotdiam)
(string-append
- " "
- (numbers->string
+ (ly:numbers->string
(list x y width height blotdiam)) " draw_round_box"))
-(define (start-system width height)
- (string-append
- "\n" (ly:number->string height)
- " start-system\n"
- "{\n"
- "set-ps-scale-to-lily-scale"))
+(define (old-text font s)
+ (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 " "))
-(define (stem breapth width depth height)
- (string-append
- (numbers->string (list breapth width depth height))
- " draw_box" ))
+ (string-append
+ (ps-font-command font) " setfont "
+ (string-join (reverse commands)))
+ ))
-(define (stop-last-system)
- (stop-system))
+(define (new-text font s)
+ (let*
+ ((space-length (cdar (ly:text-dimension font "t")))
+ (space-move (string-append (number->string space-length) " 0.0 rmoveto "))
+
+ (input-enc (assoc-get 'input-name
+ (ly:font-encoding-alist font)
+ 'latin1))
+ (out-vec (decode-byte-string input-enc s)))
-(define (stop-system)
- "}\nstop-system\n")
-(define (text s)
- (string-append "(" s ") show "))
+ (string-append
+ (ps-font-command font) " setfont "
+ (string-join
+ (vector->list
+ (vector-for-each
+
+ (lambda (sym)
+ (if (eq? sym 'space)
+ space-move
+ (string-append "/" (symbol->string sym) " glyphshow")))
+ out-vec)))
+ )))
+
+;(define text old-text)
+(define text new-text)
+
+(define (white-text scale s)
+ (let ((mystring (string-append "(" s ") " (number->string scale) " /Helvetica-bold "
+ " draw_white_text")))
+ mystring))
(define (unknown)
"\n unknown\n")
+(define (zigzag-line centre? zzw zzh thick dx dy)
+ (string-append
+ (if centre? "true" "false") " "
+ (ly:number->string zzw) " "
+ (ly:number->string zzh) " "
+ (ly:number->string thick) " "
+ "0 0 "
+ (ly:number->string dx) " "
+ (ly:number->string dy)
+ " draw_zigzag_line"))
+
+
+(define (grob-cause grob)
+ "")
+
+(define (no-origin)
+ "")
projects / lilypond.git / blobdiff