+;;;; tex.scm -- implement Scheme output routines for TeX
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-;;; tex.scm -- implement Scheme output routines for TeX
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 1998--2003 Jan Nieuwenhuizen <janneke@gnu.org>
-;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
-(define-module (scm output-tex) )
-(debug-enable 'backtrace)
-(use-modules (scm output-ps)
- (ice-9 regex)
+;; (debug-enable 'backtrace)
+(define-module (scm output-tex))
+(use-modules (ice-9 regex)
(ice-9 string-fun)
(ice-9 format)
(guile)
- (lily)
- )
+ (srfi srfi-13)
+ (lily))
(define this-module (current-module))
+;; dumper-compatibility
+(define output-ps #f)
+(define (ps-output-expression expr port)
+ (if (not output-ps)
+ (let ((ps-module (resolve-module '(scm output-ps))))
+ (eval '(use-modules (guile) (ice-9 regex) (srfi srfi-13) (lily))
+ ps-module)
+ (set! output-ps ps-module)))
+ (display (eval expr output-ps) port))
+
+;;; Output interface entry
+(define-public (tex-output-expression expr port)
+ (display (eval expr this-module) port ))
+
;;;;;;;;
;;;;;;;; DOCUMENT ME!
;;;;;;;;
(define (tex-encoded-fontswitch name-mag)
(let* ((iname-mag (car name-mag))
(ename-mag (cdr name-mag)))
+
(cons iname-mag
(cons ename-mag
(string-append "magfont"
(hashq (car ename-mag) 1000000))
"m"
(string-encode-integer
- (inexact->exact (* 1000 (cdr ename-mag)))))))))
+ (inexact->exact (round (* 1000 (cdr ename-mag))))))))))
(define (define-fonts internal-external-name-mag-pairs)
(set! font-name-alist (map tex-encoded-fontswitch
(font-load-command (car x) (cdr x)))
(map cdr font-name-alist))))
-
-
+;;
;; urg, how can exp be #unspecified? -- in sketch output
;;
;; set! returns #<unspecified> --hwn
+;;
(define (fontify name-mag-pair exp)
(string-append (select-font name-mag-pair)
exp))
(define (unknown)
"%\n\\unknown\n")
-(define (select-font name-mag-pair)
- (let*
- (
- (c (assoc name-mag-pair font-name-alist))
- )
+(define (symbol->tex-key sym)
+ (regexp-substitute/global
+ #f "_" (output-tex-string (symbol->string sym)) 'pre "X" 'post) )
+
+(define (tex-string-def prefix key str)
+ (if (equal? "" (sans-surrounding-whitespace (output-tex-string str)))
+ (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
+ (string-append "\\def\\" prefix (symbol->tex-key key) "{" (output-tex-string str) "}%\n")
+ ))
+
+(define (tex-number-def prefix key number)
+ (string-append "\\def\\" prefix (symbol->tex-key key) "{" number "}%\n"))
+
+(define (output-paper-def pd)
+ (apply
+ string-append
+ (module-map
+ (lambda (sym var)
+ (let ((val (variable-ref var))
+ (key (symbol->tex-key sym)))
+
+ (cond
+ ((string? val)
+ (tex-string-def "lilypondpaper" sym val))
+ ((number? val)
+ (tex-number-def "lilypondpaper" sym
+ (if (integer? val)
+ (number->string val)
+ (number->string (exact->inexact val)))))
+ (else ""))))
+
+ (ly:output-def-scope pd))))
+
+(define (output-scopes paper scopes fields basename)
+ (define (output-scope scope)
+ (apply
+ string-append
+ (module-map
+ (lambda (sym var)
+ (let ((val (variable-ref var))
+ ;;(val (if (variable-bound? var) (variable-ref var) '""))
+ (tex-key (symbol->string sym)))
+
+ (if (and (memq sym fields) (string? val))
+ (header-to-file basename sym val))
+
+ (cond
+ ((string? val)
+ (tex-string-def "lilypond" sym val))
+ ((number? val)
+ (tex-number-def "lilypond" sym
+ (if (integer? val)
+ (number->string val)
+ (number->string (exact->inexact val)))))
+ (else ""))))
+ scope)))
+
+ (apply string-append
+ (map output-scope scopes)))
- (if (eq? c #f)
+(define (select-font name-mag-pair)
+ (let ((c (assoc name-mag-pair font-name-alist)))
+ (if c
+ (string-append "\\" (cddr c))
(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))
- ))
- "") ; issue no command
- (string-append "\\" (cddr c)))
-
-
- ))
+ (ly:warn
+ (format "Programming error: No such font: ~S" name-mag-pair))
+ ""))))
(define (blank)
"")
(define (dot x y radius)
(embedded-ps (list 'dot x y radius)))
-(define (beam width slope thick)
- (embedded-ps (list 'beam width slope thick)))
+(define (beam width slope thick blot)
+ (embedded-ps (list 'beam width slope thick blot)))
(define (bracket arch_angle arch_width arch_height height arch_thick thick)
(embedded-ps (list 'bracket arch_angle arch_width arch_height height arch_thick thick)))
"\\font\\" command "="
(car name-mag)
" scaled "
- (ly:number->string (inexact->exact (* 1000 (cdr name-mag))))
+ (ly:number->string (inexact->exact (round (* 1000 (cdr name-mag)))))
"\n"))
(define (ez-ball c l b)
(define (end-output)
(begin
- ; uncomment for some stats about lily memory
- ; (display (gc-stats))
+ ;; uncomment for some stats about lily memory
+ ;; (display (gc-stats))
(string-append
"\\lilypondend\n"
- ; Put GC stats here.
- )))
+ ;; Put GC stats here.
+ )))
(define (experimental-on)
"")
"\\lilypondspecial\n"
"\\lilypondpostscript\n"))
-;; Note: this string must match the string in ly2dvi.py!!!
-(define (header creator generate)
+(define (header creator time-stamp page-count)
(string-append
- "% Generated automatically by: " creator generate "\n"))
+ "% Generated by " creator "\n"
+ "% at " time-stamp "\n"
+ ;; FIXME: duplicated in every backend
+ "\\def\\lilypondtagline{Engraved by LilyPond (version "
+ (lilypond-version)")}\n"))
(define (invoke-char s i)
(string-append
"\n\\" s "{" (inexact->string i 10) "}" ))
-;;
-;; need to do something to make this really safe.
-;;
+;; FIXME: explain ploblem: need to do something to make this really safe.
(define-public (output-tex-string s)
- (if security-paranoia
+ (if safe-mode?
(regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post)
s))
(ly:number->string depth) "}{"
(ly:number->string height) "}")))
-(define (roundfilledbox x y width height blotdiam)
- (embedded-ps (list 'roundfilledbox x y width height blotdiam)))
+(define (round-filled-box x y width height blotdiam)
+ (embedded-ps (list 'round-filled-box x y width height blotdiam)))
(define (text s)
(string-append "\\hbox{" (output-tex-string s) "}"))
;; no-origin not yet supported by Xdvi
(define (no-origin) "")
-(define-public (tex-output-expression expr port)
- (display (eval expr this-module) port )
- )
-
+(define (start-page)
+ "\n%\\vbox{\n")
+(define (stop-page last?)
+ (if last?
+ "\n%}\n"
+ "\n%}\n\\newpage\n"))