-;;;; output-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--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2005 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
-;;;; * special characters, encoding.
-;;;; + implement encoding switch (switches? input/output??),
-;;;; + move encoding definitions to ENCODING.ps files, or
-;;;; + find out which program's PS(?) encoding code we can use?
+;;;; * %% Papersize in (header ...)
;;;; * text setting, kerning.
;;;; * document output-interface
-(debug-enable 'backtrace)
-
(define-module (scm output-ps)
#:re-export (quote)
- #:export (define-fonts
- unknown
- output-paper-def
- output-scopes
- select-font
- blank
- dot
- beam
- bracket
- dashed-slur
- char
- dashed-line
- zigzag-line
- 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
- filledbox
- round-filled-box
- text
- tuplet
- polygon
- draw-line
- between-system-string
- define-origin
- no-origin
- start-page
- stop-page
- )
-)
+
+ ;; JUNK this -- see lily.scm: ly:all-output-backend-commands
+ #:export (unknown
+ blank
+ circle
+ dot
+ white-dot
+ beam
+ bracket
+ dashed-slur
+ char
+ setcolor
+ resetcolor
+ 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))
-;;; Global vars
-;; alist containing fontname -> fontcommand assoc (both strings)
-(define page-count 0)
-(define page-number 0)
-;; /lilypondpaperoutputscale 1.75729901757299 def
-;;/lily-output-units 2.83464 def %% milimeter
-;;/output-scale lilypondpaperoutputscale lily-output-units mul def
-;;
-;; output-scale = 1.75729901757299 * 2.83464 = 4.9813100871731003736
+;;(map export
+;; (append (ly:all-stencil-expressions) (ly:all-output-backend-commands)))
-(define OUTPUT-SCALE 4.98)
-(define TOP-MARGIN 0)
+;; 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))))
-
-;; ("ecmb12" . "ISOLatin1Encoding")))
-
(define (ps-encoding text)
(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
(ly:numbers->string (list slope width thick blot)) " draw_beam" ))
;; two beziers
-(define (bezier-sandwich l thick)
+(define (bezier-sandwich lst thick)
(string-append
- (string-join (map ly:number-pair->string l) " ")
+ (string-join (map ly:number-pair->string lst) " ")
" "
(ly:number->string thick)
" draw_bezier_sandwich"))
-(define (bracket arch_angle arch_width arch_height height arch_thick thick)
+(define (bracket arch_angle arch_width arch_height height arch_thick thick)
(string-append
(ly:numbers->string
(list arch_angle arch_width arch_height height arch_thick thick))
(define (char font i)
(string-append
- (font-command font) " setfont "
- "(\\" (ly:inexact->string i 8) ") show" ))
+ (ps-font-command font) " setfont "
+ "(\\" (ly:inexact->string i 8) ") show"))
-(define (comment s)
- (string-append "% " s "\n"))
+(define (circle radius thick fill)
+ (format
+ "~a ~a ~a draw_circle" radius thick
+ (if fill
+ "true "
+ "false ")))
(define (dashed-line thick on off dx dy)
(string-append
" ] 0 draw_dashed_line"))
;; what the heck is this interface ?
-(define (dashed-slur thick dash l)
+(define (dashed-slur thick on off l)
(string-append
(string-join (map ly:number-pair->string l) " ")
" "
(ly:number->string thick)
" [ "
- (ly:number->string dash)
- " "
- ;;UGH. 10 ?
- (ly:number->string (* 10 thick))
+ (ly:number->string on)
+ " "
+ (ly:number->string off)
" ] 0 draw_dashed_slur"))
-(define (font-command font)
- (string-append
- "magfont"
- (string-encode-integer
- (hashq (ly:font-name font) 1000000))
- "m"
- (string-encode-integer
- (inexact->exact (round (* 1000 (ly:font-magnification font)))))))
-
-(define (define-fonts paper font-list)
- (define (define-font command fontname scaling)
- (string-append
- "/" command " { /" fontname " findfont "
- ;; FIXME
- (ly:number->string scaling) " output-scale div scalefont } bind def\n"))
- ;;(ly:number->string scaling) " scalefont } bind def\n"))
-
- (define (reencode-font raw encoding command)
- (string-append
- raw " " encoding " /" command " reencode-font\n"
- "/" command "{ /" command " findfont 1 scalefont } bind def\n"))
-
- ;; frobnicate NAME to jibe with external definitions.
- (define (possibly-mangle-fontname fontname)
- (cond
- ((tex-font? fontname)
- ;; FIXME: we need proper Fontmap for CM fonts, like so:
- ;; /CMR10 (cmr10.pfb);
- ;; (string-upcase fontname)
- (string-append fontname ".pfb"))
- ((or (equal? (substring fontname 0 4) "feta")
- (equal? (substring fontname 0 4) "parm"))
- (regexp-substitute/global
- #f "(feta|parmesan)([a-z-]*)([0-9]+)"
- fontname 'pre "GNU-LilyPond-" 1 2 "-" 3 'post))
- (else fontname)))
-
- (define (font-load-command paper font)
- (let* ((command (font-command font))
- (fontname (ly:font-name font))
- (mangled (possibly-mangle-fontname fontname))
- (coding (ly:font-encoding font))
- (encoding (vector-ref coding 2))
- (designsize (ly:font-design-size font))
- (magnification (* (ly:font-magnification font)))
- (ops (ly:paper-lookup paper 'outputscale))
- (scaling (* ops magnification designsize)))
-
- (if
- #t
- (begin
- (newline)
- (format (current-error-port) "fontname ~S\n" fontname)
- (format (current-error-port) "command ~S\n" command)
- (format (current-error-port) "encoding ~S\n" coding)
- (format (current-error-port) "encoding name ~S\n" encoding)
- (format (current-error-port) "mangled ~S\n" mangled)
- (format (current-error-port) "designsize ~S\n" designsize)
- (format (current-error-port) "magnification ~S\n" magnification)
- (format (current-error-port) "ops ~S\n" ops)
- (format (current-error-port) "scaling ~S\n" scaling)))
-
- (if (or (equal? encoding "ISOLatin1Encoding")
- ;; UGH, uhg
- (equal? fontname "feta20")
- (equal? fontname "parmesan20"))
- (define-font command mangled scaling)
- ;; FIXME: should rather tag encoded font
- (let ((raw (string-append command "-raw"))
- (vector (get-coding-command encoding))
- (filename (get-coding-filename encoding)))
- (string-append
- (ly:kpathsea-gulp-file filename)
- (define-font raw mangled scaling)
- (reencode-font raw vector command))))))
-
- (apply string-append
- (map (lambda (x) (font-load-command paper x)) font-list)))
-
-(define (define-origin file line col) "")
-
(define (dot x y radius)
(string-append
" "
(ly:number->string x2) " "
(ly:number->string y2) " lineto stroke"))
-(define (end-output)
- "\nend-lilypond-output\n")
+(define (embedded-ps string)
+ string)
+;; FIXME.
(define (ez-ball ch letter-col ball-col)
(string-append
" (" ch ") "
(ly:numbers->string (list letter-col ball-col))
- " /Helvetica-Bold " ;; ugh
+ ;; FIXME: barf
+ " /Helvetica-Bold "
" draw_ez_ball"))
-(define (filledbox breapth width depth height)
+;; FIXME: use draw_round_box
+(define (filledbox breapth width depth height)
(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")))
-
+(define (glyph-string
+ postscript-font-name
+ size
+ x-y-named-glyphs)
+ (format #f "gsave 1 output-scale div 1 output-scale div scale
+ /~a findfont ~a scalefont setfont\n~a grestore" postscript-font-name size
+ (apply
+ string-append
+ (map (lambda (item)
+ (let
+ ((x (car item))
+ (y (cadr item))
+ (g (caddr item)))
+
+ (if (and (= 0.0 x)
+ (= 0.0 y))
+ (format #f " /~a glyphshow\n" g)
+ (format #f " ~a ~a rmoveto ~a~a glyphshow\n"
+ x y
+ (if (string? g) "/" "")
+ g))))
+ x-y-named-glyphs))))
+
+(define (grob-cause offset grob)
+ (let* ((cause (ly:grob-property grob 'cause))
+ (music-origin (if (ly:music? cause)
+ (ly:music-property cause 'origin))))
+ (if (not (ly:input-location? music-origin))
+ ""
+ (let* ((location (ly:input-file-line-column music-origin))
+ (raw-file (car location))
+ (file (if (is-absolute? raw-file)
+ raw-file
+ (string-append (ly-getcwd) "/" raw-file)))
+ (x-ext (ly:grob-extent grob grob X))
+ (y-ext (ly:grob-extent grob grob Y)))
+
+ (if (and (< 0 (interval-length x-ext))
+ (< 0 (interval-length y-ext)))
+ (format "~a ~a ~a ~a (textedit://~a:~a:~a) mark_URI\n"
+ (+ (car offset) (car x-ext))
+ (+ (cdr offset) (car y-ext))
+ (+ (car offset) (cdr x-ext))
+ (+ (cdr offset) (cdr y-ext))
+ file
+ (cadr location)
+ (caddr location))
+ "")))))
+
+;; 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"))
+ (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) "")
-
-;; 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 (named-glyph font glyph)
+ (string-append
+ (ps-font-command font) " setfont "
+ "/" glyph " glyphshow "))
+
+(define (no-origin)
+ "")
(define (placebox x y s)
(string-append
(ly:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
-(define (polygon points blotdiameter)
+(define (polygon points blotdiameter filled?)
(string-append
(ly:numbers->string points) " "
(ly:number->string (/ (length points) 2)) " "
(ly:number->string blotdiameter)
+ (if filled? " true " " false ")
" draw_polygon"))
(define (repeat-slash wid slope thick)
(ly:numbers->string (list wid slope thick))
" draw_repeat_slash"))
-(define (round-filled-box x y width height blotdiam)
- (string-append
- (ly:numbers->string
- (list x y width height blotdiam)) " draw_round_box"))
-
-(define (new-start-system origin dim)
- (string-append
- "\n" (ly:number-pair->string origin) " start-system\n"
- "{\n"
- "set-ps-scale-to-lily-scale\n"))
+;; restore color from stack
+(define (resetcolor)
+ (string-append "setrgbcolor\n"))
-(define (stem breapth width depth height)
+(define (round-filled-box x y width height blotdiam)
(string-append
- (ly:numbers->string (list breapth width depth height))
- " draw_box" ))
-
-(define (stop-system)
- "} stop-system\n")
-
-(define stop-last-system stop-system)
+ (ly:numbers->string
+ (list x y width height blotdiam)) " draw_round_box"))
-(define (symmetric-x-triangle thick w h)
- (string-append
- (ly:numbers->string (list h w thick))
- " draw_symmetric_x_triangle"))
+;; save current color on stack and set new color
+(define (setcolor r g b)
+ (string-append "currentrgbcolor "
+ (ly:numbers->string (list r g b))
+ " setrgbcolor\n"))
(define (text font s)
+ ;; (ly:warning (_ "TEXT backend-command encountered in Pango backend"))
+ ;; (ly:warning (_ "Arguments: ~a ~a"" font str))
-;; (string-append "(" (escape-parentheses s) ") show "))
- (string-append
+ (let* ((space-length (cdar (ly:text-dimension font " ")))
+ (space-move (string-append (number->string space-length)
+ " 0.0 rmoveto "))
+ (out-vec (decode-byte-string s)))
- (font-command font) " setfont "
- "(" (ps-encoding 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 (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 (start-page)
- (set! page-number (+ page-number 1))
+(define (url-link url x y)
+ (format "~a ~a ~a ~a (~a) mark_URI"
+ (car x)
+ (car y)
+ (cdr x)
+ (cdr y)
+ url))
+
+(define (utf8-string pango-font-description string)
+ (ly:warning (_ "utf8-string encountered in PS backend")))
+
+(define (white-dot x y radius)
(string-append
- "%%Page: " (number->string page-number) " " (number->string page-count) "\n"
- "start-page\n"))
+ " "
+ (ly:numbers->string
+ (list x y radius)) " draw_white_dot"))
+
+(define (white-text scale s)
+ (let ((mystring (string-append
+ "(" s ") " (number->string scale)
+ " /Helvetica-Bold "
+ " draw_white_text")))
+ mystring
+ ))
-(define (stop-page last?)
- (if last?
- "\nstop-last-page\n"
- "\nstop-page\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"))
projects / lilypond.git / blobdiff