-;;;; 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
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)
-(define font-name-alist '())
-
-;; /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)
(cons (+ (car a) (car b))
(+ (cdr a) (cdr b))))
-;; WIP
-(define font-encoding-alist
- '(("ecrm12" . "ISOLatin1Encoding")
- ("ecmb12" . "ISOLatin1Encoding")))
-
(define (ps-encoding text)
(escape-parentheses text))
(list arch_angle arch_width arch_height height arch_thick thick))
" draw_bracket"))
-(define (char i)
+(define (char font i)
(string-append
+ (font-command font) " setfont "
"(\\" (ly:inexact->string i 8) ") show" ))
(define (comment s)
(ly:number->string (* 10 thick))
" ] 0 draw_dashed_slur"))
-(define (define-fonts internal-external-name-mag-pairs)
+(define (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 (fontname->designsize fontname)
- (let ((i (string-index fontname char-numeric?)))
- (string->number (substring fontname i))))
+ (string-append
+ "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-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 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)
+ (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? 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 name-mag command)
- (define (font-load-command lst)
- (let* ((key-name-size (car lst))
- (value (cdr lst))
- (value-name-size (car value))
- (command (cdr value))
- (fontname (car value-name-size))
- (mangled (possibly-mangle-fontname fontname))
- (encoding (assoc-get fontname font-encoding-alist))
- (designsize (fontname->designsize fontname))
- (fontsize (cdr value-name-size))
- (scaling (* fontsize designsize)))
-
- (if
- #f
- (begin
- (newline)
- (format (current-error-port) "key-name-size ~S\n" key-name-size)
- (format (current-error-port) "value ~S\n" value)
- (format (current-error-port) "value-name-size ~S\n" value-name-size)
- (format (current-error-port) "command ~S\n" command)
- (format (current-error-port) "designsize ~S\n" designsize)
- (format (current-error-port) "fontname ~S\n" fontname)
- (format (current-error-port) "mangled ~S\n" mangled)
- (format (current-error-port) "fontsize ~S\n" fontsize)
- (format (current-error-port) "scaling ~S\n" scaling)))
-
- (if encoding
- ;; FIXME: should rather tag encoded font
- (let ((raw (string-append command "-raw")))
- (string-append
- (define-font raw mangled scaling)
- (reencode-font raw encoding command)))
- (define-font command mangled scaling))))
+ ((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 (font-command font #f))
+ (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 (ps-encoded-fontswitch name-mag-pair)
- (let* ((key (car name-mag-pair))
- (value (cdr name-mag-pair))
- (fontname (car value))
- (scaling (cdr value)))
- (cons key (cons value
- (string-append
- "lilyfont" fontname "-" (ly:number->string scaling))))))
-
- (set! font-name-alist
- (map ps-encoded-fontswitch internal-external-name-mag-pairs))
- (apply string-append (map font-load-command font-name-alist)))
+ (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) "")
" /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 (fontify name-mag-pair exp)
-
- (define (select-font name-mag-pair)
- (let ((c (assoc name-mag-pair font-name-alist)))
-
- (if c
- (string-append (cddr c) " setfont ")
- (begin
- (ly:warn
- (format "Programming error: No such font: ~S" name-mag-pair))
- ""))))
-
- (string-append (select-font name-mag-pair) exp))
-
-(define (header creator time-stamp page-count-)
+(define (header creator time-stamp paper page-count- classic?)
(set! page-count page-count-)
(set! page-number 0)
(string-append
"%%Creator: " creator " " time-stamp "\n"
"%%Pages: " (number->string page-count) "\n"
"%%PageOrder: Ascend\n"
- ;; FIXME: TODO get from paper
- ;; "%%DocumentPaperSizes: a6\n"
+ "%%DocumentPaperSizes: " (ly:paper-lookup paper 'papersize) "\n"
;;(string-append "GNU LilyPond (" (lilypond-version) "), ")
;; (strftime "%c" (localtime (current-time))))
;; FIXME: duplicated in every backend
(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"))
(let ((prefix "lilypondpaper"))
(define (scope-entry->string key var)
- (let ((val (variable-ref var)))
- (cond
- ((string? val) (ps-string-def prefix key val))
- ((number? val) (ps-number-def prefix key val))
- (else ""))))
+ (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
(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:number->string x) " " (ly:number->string y) " { " s " } place-box\n"))
(ly:numbers->string
(list x y width height blotdiam)) " draw_round_box"))
-(define (new-start-system origin dim)
+(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)
+(define (stop-system last?)
"} 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 s)
-;; (string-append "(" (escape-parentheses s) ") show "))
- (string-append "(" (ps-encoding s) ") show"))
+(define (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
+ (font-command font) " setfont "
+ (string-join (reverse commands)))
+ ))
+
(define (unknown)
"\n unknown\n")