-;;;; output-ps.scm -- implement Scheme output interface for PostScript
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; Copyright (C) 1998--2015 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;;
+;;;; LilyPond is free software: you can redistribute it and/or modify
+;;;; it under the terms of the GNU General Public License as published by
+;;;; the Free Software Foundation, either version 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; LilyPond is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;;; GNU General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU General Public License
+;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
;;;; 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)
- #:re-export (quote)
-
- ;; JUNK this -- see lily.scm: ly:all-output-backend-commands
- #:export (unknown
- blank
- dot
- white-dot
- beam
- bracket
- dashed-slur
- char
- 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
- ))
-
+ #:re-export (quote))
(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))
-
+ (ice-9 regex)
+ (ice-9 optargs)
+ (srfi srfi-1)
+ (srfi srfi-13)
+ (scm framework-ps)
+ (lily))
;;; 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"))
+;; ice-9 format uses a lot of memory
+;; using simple-format almost halves lilypond cell usage
-(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 (str4 num)
+ (if (or (nan? num) (inf? num))
+ (begin
+ (ly:warning (_ "Found infinity or nan in output. Substituting 0.0"))
+ (if (ly:get-option 'strict-infinity-checking)
+ (exit 1))
+ "0.0")
+ (ly:number->string num)))
+(define (number-pair->string4 numpair)
+ (ly:format "~4l" numpair))
;;;
;;; Lily output interface, PostScript implementation --- cleanup and docme
;;;
-;;; Output-interface functions
-(define (beam width slope thick blot)
- (string-append
- (ly:numbers->string (list slope width thick blot)) " draw_beam" ))
-
-;; two beziers
-(define (bezier-sandwich lst thick)
- (string-append
- (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)
- (string-append
- (ly:numbers->string
- (list arch_angle arch_width arch_height height arch_thick thick))
- " draw_bracket"))
-
(define (char font i)
- (string-append
- (ps-font-command font) " setfont "
- "(\\" (ly:inexact->string i 8) ") show" ))
-
-(define (dashed-line thick on off dx dy)
- (string-append
- (ly:number->string dx) " "
- (ly:number->string dy) " "
- (ly:number->string thick)
- " [ "
- (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
- (string-join (map ly:number-pair->string l) " ")
- " "
- (ly:number->string thick)
- " [ "
- (ly:number->string dash)
- " "
- ;;UGH. 10 ?
- (ly:number->string (* 10 thick))
- " ] 0 draw_dashed_slur"))
-
-; todo: merge with tex-font-command?
-
-(define (embedded-ps string)
- string)
+ (ly:format "~a (\\~a) show"
+ (ps-font-command font)
+ (ly:inexact->string i 8)))
+
+(define (circle radius thick fill)
+ (ly:format
+ "~a ~4f ~4f draw_circle"
+ (if fill
+ "true"
+ "false")
+ radius thick))
+
+(define (start-enclosing-id-node s)
+ "")
-(define (dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_dot"))
+(define (end-enclosing-id-node)
+ "")
-(define (white-dot x y radius)
- (string-append
- " "
- (ly:numbers->string
- (list x y radius)) " draw_white_dot"))
+(define (dashed-line thick on off dx dy phase)
+ (ly:format "~4f ~4f ~4f [ ~4f ~4f ] ~4f draw_dashed_line"
+ dx
+ dy
+ thick
+ on
+ off
+ phase))
(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 (ez-ball ch letter-col ball-col)
- (string-append
- " (" ch ") "
- (ly:numbers->string (list letter-col ball-col))
- " /Helvetica-Bold " ;; ugh
- " draw_ez_ball"))
-
-(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 (lily-def key val)
- (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 (placebox x y s)
- (string-append
- (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
- (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 (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 " "))
-
- (string-append
- (ps-font-command font) " setfont "
- (string-join (reverse commands)))
- ))
-
-(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)))
-
-
- (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 (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"))
+ (ly:format "~4f ~4f ~4f ~4f ~4f draw_line"
+ (- x2 x1) (- y2 y1)
+ x1 y1 thick))
+
+(define (partial-ellipse x-radius y-radius start-angle end-angle thick connect fill)
+ (ly:format "~a ~a ~4f ~4f ~4f ~4f ~4f draw_partial_ellipse"
+ (if fill "true" "false")
+ (if connect "true" "false")
+ x-radius
+ y-radius
+ start-angle
+ end-angle
+ thick))
+
+(define (ellipse x-radius y-radius thick fill)
+ (ly:format
+ "~a ~4f ~4f ~4f draw_ellipse"
+ (if fill
+ "true"
+ "false")
+ x-radius y-radius thick))
+(define (embedded-ps string)
+ string)
-(define (grob-cause grob)
- "")
+(define (glyph-string pango-font
+ postscript-font-name
+ size
+ cid?
+ w-x-y-named-glyphs)
+ (define (glyph-spec w h x y g) ; h not used
+ (let ((prefix (if (string? g) "/" "")))
+ (ly:format "~4f ~4f ~4f ~a~a" w x y prefix g)))
+ (define (emglyph-spec w h x y g) ; h not used
+ (if (and (= x 0) (= y 0))
+ (ly:format "currentpoint ~a moveto ~4f 0 rmoveto" g w)
+ (ly:format "currentpoint ~4f ~4f rmoveto ~a moveto ~4f 0 rmoveto" x y g w)))
+ (if cid?
+ (ly:format
+ "/~a /CIDFont findresource ~a output-scale div scalefont setfont\n~a\n~a print_glyphs"
+ postscript-font-name size
+ (string-join (map (lambda (x) (apply glyph-spec x))
+ (reverse w-x-y-named-glyphs)) "\n")
+ (length w-x-y-named-glyphs))
+ (if (and (ly:bigpdfs) (string-startswith postscript-font-name "Emmentaler"))
+ (ly:format "/~a-O ~a output-scale div selectfont\n~a"
+ postscript-font-name size
+ (string-join (map (lambda (x) (apply emglyph-spec x))
+ w-x-y-named-glyphs) "\n"))
+ (ly:format "/~a ~a output-scale div selectfont\n~a\n~a print_glyphs"
+ postscript-font-name size
+ (string-join (map (lambda (x) (apply glyph-spec x))
+ (reverse w-x-y-named-glyphs)) "\n")
+ (length w-x-y-named-glyphs)))))
+
+(define (grob-cause offset grob)
+ (if (ly:get-option 'point-and-click)
+ (let* ((cause (ly:grob-property grob 'cause))
+ (music-origin (if (ly:stream-event? cause)
+ (ly:event-property cause 'origin)))
+ (point-and-click (ly:get-option 'point-and-click)))
+ (if (and
+ (ly:input-location? music-origin)
+ (cond ((boolean? point-and-click) point-and-click)
+ ((symbol? point-and-click)
+ (ly:in-event-class? cause point-and-click))
+ (else (any (lambda (t)
+ (ly:in-event-class? cause t))
+ point-and-click))))
+ (let* ((location (ly:input-file-line-char-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)))
+ (ly:format "~4f ~4f ~4f ~4f (textedit://~a:~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))
+
+ ;; Backslashes are not valid
+ ;; file URI path separators.
+ (ly:string-percent-encode
+ (ly:string-substitute "\\" "/" file))
+
+ (cadr location)
+ (caddr location)
+ (1+ (cadddr location)))
+ ""))
+ ""))
+ ""))
+
+(define (named-glyph font glyph)
+ (if (and (ly:bigpdfs) (string-startswith (ly:font-file-name font) "emmentaler"))
+ (if (string-endswith (ly:font-file-name font)"-brace")
+ (if (or (string-startswith glyph "brace1") (string-startswith glyph "brace2"))
+ (ly:format "~a ~a" (string-append (ps-font-command font) "-N" ) glyph)
+ (if (or (string-startswith glyph "brace3") (string-startswith glyph "brace4"))
+ (ly:format "~a ~a" (string-append (ps-font-command font) "-S" ) glyph)
+ (ly:format "~a ~a" (string-append (ps-font-command font) "-O" ) glyph)))
+ (if (string-startswith glyph "noteheads")
+ (ly:format "~a ~a" (string-append (ps-font-command font) "-N" ) glyph)
+ (if (or (string-startswith glyph "scripts") (string-startswith glyph "clefs"))
+ (ly:format "~a ~a" (string-append (ps-font-command font) "-S" ) glyph)
+ (ly:format "~a ~a" (string-append (ps-font-command font) "-O" ) glyph))))
+ (ly:format "~a /~a glyphshow" (ps-font-command font) glyph)))
(define (no-origin)
"")
+
+(define (placebox x y s)
+ (if (not (string-null? s))
+ (ly:format "~4f ~4f moveto ~a\n" x y s)
+ ""))
+
+(define (polygon points blot-diameter filled?)
+ (ly:format "~a ~4l ~a ~4f draw_polygon"
+ (if filled? "true" "false")
+ points
+ (- (/ (length points) 2) 1)
+ blot-diameter))
+
+(define (round-filled-box left right bottom top blotdiam)
+ (let* ((halfblot (/ blotdiam 2))
+ (x (- halfblot left))
+ (width (- right (+ halfblot x)))
+ (y (- halfblot bottom))
+ (height (- top (+ halfblot y))))
+ (ly:format "~4l draw_round_box"
+ (list width height x y blotdiam))))
+
+;; save current color on stack and set new color
+(define (setcolor r g b)
+ (ly:format "gsave ~4l setrgbcolor\n"
+ (list r g b)))
+
+;; restore color from stack
+(define (resetcolor) "grestore\n")
+
+;; rotation around given point
+(define (setrotation ang x y)
+ (ly:format "gsave ~4l translate ~a rotate ~4l translate\n"
+ (list x y)
+ ang
+ (list (* -1 x) (* -1 y))))
+
+(define (resetrotation ang x y)
+ "grestore ")
+
+(define (unknown)
+ "\n unknown\n")
+
+(define (url-link url x y)
+ (ly:format "~a ~a currentpoint vector_add ~a ~a currentpoint vector_add (~a) mark_URI"
+ (car x)
+ (car y)
+ (cdr x)
+ (cdr y)
+ url))
+
+(define (page-link page-no x y)
+ (if (number? page-no)
+ (ly:format "~a ~a currentpoint vector_add ~a ~a currentpoint vector_add ~a mark_page_link"
+ (car x)
+ (car y)
+ (cdr x)
+ (cdr y)
+ page-no)
+ ""))
+
+(define* (path thickness exps #:optional (cap 'round) (join 'round) (fill? #f))
+ (define (convert-path-exps exps)
+ (if (pair? exps)
+ (let*
+ ((head (car exps))
+ (rest (cdr exps))
+ (arity
+ (cond
+ ((memq head '(rmoveto rlineto lineto moveto)) 2)
+ ((memq head '(rcurveto curveto)) 6)
+ ((eq? head 'closepath) 0)
+ (else 1)))
+ (args (take rest arity))
+ )
+
+ ;; WARNING: this is a vulnerability: a user can output arbitrary PS code here.
+ (cons (ly:format
+ "~l ~a "
+ args
+ head)
+ (convert-path-exps (drop rest arity))))
+ '()))
+
+ (let ((cap-numeric (case cap ((butt) 0) ((round) 1) ((square) 2)
+ (else (begin
+ (ly:warning (_ "unknown line-cap-style: ~S")
+ (symbol->string cap))
+ 1))))
+ (join-numeric (case join ((miter) 0) ((round) 1) ((bevel) 2)
+ (else (begin
+ (ly:warning (_ "unknown line-join-style: ~S")
+ (symbol->string join))
+ 1)))))
+ (ly:format
+ "gsave currentpoint translate
+~a setlinecap ~a setlinejoin ~a setlinewidth
+~l ~a grestore"
+ cap-numeric
+ join-numeric
+ thickness
+ (convert-path-exps exps)
+ ;; print outline contour only if there is no fill or if
+ ;; contour is explicitly requested with a thickness > 0
+ (cond ((not fill?) "stroke")
+ ((positive? thickness) "gsave stroke grestore fill")
+ (else "fill")))))
+
+
+(define (setscale x y)
+ (ly:format "gsave ~4l scale\n"
+ (list x y)))
+
+(define (resetscale)
+ "grestore\n")
projects / lilypond.git / blobdiff