-;;;; 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
;;;;
;;;; 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
#:re-export (quote)
#:export (define-fonts
unknown
- output-paper-def
- output-scopes
select-font
blank
dot
tuplet
polygon
draw-line
- between-system-string
define-origin
no-origin
start-page
stop-page
- )
-)
+ ))
+
(use-modules (guile)
(ice-9 regex)
+ (srfi srfi-1)
(srfi srfi-13)
(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
-
-(define OUTPUT-SCALE 4.98)
-(define TOP-MARGIN 0)
-
;;; helper functions, not part of output interface
(define (escape-parentheses s)
(regexp-substitute/global #f "(^|[^\\])([\\(\\)])" s 'pre 1 "\\" 2 'post))
(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"))
(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)
(ly:number->string (* 10 thick))
" ] 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"))
+; todo: merge with tex-font-command?
+
+(define-public (ps-font-command font . override-coding)
+ (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 (null? override-coding)
+ (if (equal? input-encoding font-encoding)
+ #f font-encoding)
+ (car override-coding))))
+
+ ;; FIXME: now feta stuff has feta* input-encoding (again?)
+ ;;(format (current-error-port) "FONT: ~S, ~S\n" name font-encoding)
+ ;;(format (current-error-port) "INPUT: ~S\n" input-encoding)
+ (if (and coding-command (equal? (substring coding-command 0 4) "feta"))
+ (set! coding-command #f))
- (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-alist (ly:font-encoding-alist font))
- (encoding (assoc-get 'input-name coding-alist ))
- (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 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)))
+ "magfont" (string-encode-integer (hashq name 1000000))
+ "m" (string-encode-integer (inexact->exact (round (* 1000 magnify))))
+ (if (not coding-command) "" (string-append "e" coding-command)))))
(define (define-origin file line col) "")
" /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"))
(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 (new-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)
- "} stop-system\n")
-
-(define stop-last-system stop-system)
-
(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 "(" (escape-parentheses s) ") show "))
- (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 (unknown)
"\n unknown\n")
(ly:number->string dx) " "
(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"))
projects / lilypond.git / blobdiff