-;;;; framework-tex.scm -- structure for TeX output
-;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
-(define-module (scm framework-tex)
- #:export (output-framework-tex
- output-classic-framework-tex))
-
-(use-modules (ice-9 regex)
- (ice-9 string-fun)
- (scm page)
- (scm paper-system)
- (guile)
- (srfi srfi-1)
- (srfi srfi-13)
- (srfi srfi-14)
- (scm kpathsea)
- (lily))
-
-(define format ergonomic-simple-format)
-
-(define (output-formats)
- (define formats (ly:output-formats))
- (set! formats (completize-formats formats))
- (if (member "ps" formats)
- (set! formats (cons "dvi" formats)))
- (if (member "dvi" formats)
- (set! formats (cons "tex" formats)))
-
- (uniq-list formats))
-
-(define framework-tex-module (current-module))
-(define-public (sanitize-tex-string s)
- (if (ly:get-option 'safe)
- (regexp-substitute/global
- #f "\\\\"
- (regexp-substitute/global #f "([{}])" s 'pre "\\" 1 'post)
- 'pre "$\\backslash$" 'post)
- s))
-
-(define (symbol->tex-key sym)
- (regexp-substitute/global
- #f "_" (sanitize-tex-string (symbol->string sym)) 'pre "X" 'post))
-
-(define (tex-number-def prefix key number)
- (string-append
- "\\def\\" prefix (symbol->tex-key key) "{" number "}%\n"))
-
-(define-public (digits->letters str)
- (regexp-substitute/global
- #f "[-\\._]"
- (regexp-substitute/global
- #f "([0-9])" str
- 'pre
- (lambda (match)
- (make-string
- 1
- (integer->char
- (+ (char->integer #\A)
- (- (char->integer #\0))
- (char->integer (string-ref (match:substring match 1) 0)))
- )))
- 'post)
- 'pre ""
- 'post))
-
-(define-public (tex-font-command-raw name magnification)
- (string-append
- "magfont"
- (digits->letters (format "~a" name))
- "m"
- (string-encode-integer
- (inexact->exact (round (* 1000 magnification))))))
-
-(define-public (tex-font-command font)
- (tex-font-command-raw
- (ly:font-file-name font) (ly:font-magnification font)))
-
-(define (otf-font-load-command paper font)
- (let* ((sub-fonts (ly:font-sub-fonts font)))
- (string-append
- (apply string-append
- (map
- (lambda (sub-name)
- (format "\\font\\~a=~a scaled ~a%\n"
- (tex-font-command-raw
- sub-name (ly:font-magnification font))
- sub-name
- (ly:number->string
- (inexact->exact
- (round (* 1000
- (ly:font-magnification font)
- (ly:paper-output-scale paper)))))))
- sub-fonts)))))
-
-(define (simple-font-load-command paper font)
- (format
- "\\font\\~a=~a scaled ~a%\n"
- (tex-font-command font)
- (ly:font-file-name font)
- (inexact->exact
- (round (* 1000
- (ly:font-magnification font)
- (ly:paper-output-scale paper))))))
-
-(define (font-load-command paper font)
- (if (pair? (ly:font-sub-fonts font))
- (otf-font-load-command paper font)
- (simple-font-load-command paper font)))
-
-(define (define-fonts paper)
- (string-append
- ;; UGH. FIXME.
- "\\def\\lilypondpaperunit{mm}%\n"
- (tex-number-def "lilypondpaper" 'output-scale
- (number->string (exact->inexact
- (ly:paper-output-scale paper))))
- (tex-string-def "lilypondpaper" 'papersize
- (eval 'papersizename (ly:output-def-scope paper)))
- ;; paper/layout?
- (tex-string-def "lilypondpaper" 'input-encoding
- (eval 'input-encoding (ly:output-def-scope paper)))
-
- (apply string-append
- (map (lambda (x) (font-load-command paper x))
- (ly:paper-fonts paper)))))
-
-(define (tex-string-def prefix key str)
- (if (equal? "" (sans-surrounding-whitespace (sanitize-tex-string str)))
- (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
- (string-append "\\def\\" prefix (symbol->tex-key key)
- "{" (sanitize-tex-string str) "}%\n")))
-
-(define (header paper page-count classic?)
- (let ((scale (ly:output-def-lookup paper 'output-scale))
- (texpaper (string-append
- (ly:output-def-lookup paper 'papersizename)
- "paper"))
- (landscape? (eq? #t (ly:output-def-lookup paper 'landscape))))
- (string-append
- "% Generated by LilyPond "
- (lilypond-version) "\n"
- "% at " "time-stamp,FIXME" "\n"
- (if classic?
- (tex-string-def "lilypond" 'classic "1")
- "")
-
- (if (ly:get-option 'safe)
- "\\nofiles\n"
- "")
-
- (tex-string-def
- "lilypondpaper" 'line-width
- (ly:number->string (* scale (ly:output-def-lookup paper 'line-width))))
- "\\def\\lilyponddocumentclassoptions{"
- (sanitize-tex-string texpaper)
- (if landscape? ",landscape" "")
- "}%\n"
- )))
-
-(define (header-end)
- (string-append
- "\\def\\scaletounit{ "
- (number->string lily-unit->bigpoint-factor)
- " mul }%\n"
- "\\ifx\\lilypondstart\\undefined\n"
- " \\input lilyponddefs\n"
- "\\fi\n"
- "\\lilypondstart\n"
- "\\lilypondspecial\n"
- "\\lilypondpostscript\n"))
-
-(define (dump-page putter page last? with-extents?)
- (ly:outputter-dump-string
- putter
- (format "\\lybox{~a}{~a}{%\n"
- (if with-extents?
- (interval-start (ly:stencil-extent page X))
- 0.0)
- (if with-extents?
- (- (interval-start (ly:stencil-extent page Y)))
- 0.0)))
- (ly:outputter-dump-stencil putter page)
- (ly:outputter-dump-string
- putter
- (if last?
- "}%\n\\vfill\n"
- "}%\n\\vfill\n\\lilypondpagebreak\n")))
-
-(define-public (output-framework basename book scopes fields)
- (let* ((filename (format "~a.tex" basename))
- (outputter (ly:make-paper-outputter (open-file filename "wb") 'tex))
- (paper (ly:paper-book-paper book))
- (page-stencils (map page-stencil (ly:paper-book-pages book)))
- (last-page (car (last-pair pages)))
- (with-extents
- (eq? #t (ly:output-def-lookup paper 'dump-extents))))
- (for-each
- (lambda (x)
- (ly:outputter-dump-string outputter x))
- (list
- (header paper (length page-stencils) #f)
- (define-fonts paper)
- (header-end)))
- (ly:outputter-dump-string outputter "\\lilypondnopagebreak\n")
- (for-each
- (lambda (page)
- (dump-page outputter page (eq? last-page page) with-extents))
- page-stencils)
- (ly:outputter-dump-string outputter "\\lilypondend\n")
- (ly:outputter-close outputter)
- (postprocess-output book framework-tex-module filename
- (output-formats))))
-
-(define (dump-line putter line last?)
- (ly:outputter-dump-string
- putter
- (format "\\lybox{~a}{~a}{%\n"
- (ly:number->string
- (max 0 (interval-end (paper-system-extent line X))))
- (ly:number->string
- (interval-length (paper-system-extent line Y)))))
-
- (ly:outputter-dump-stencil putter (paper-system-stencil line))
- (ly:outputter-dump-string
- putter
- (if last?
- "}%\n"
- "}\\interscoreline\n")))
-
-(define-public (output-classic-framework
- basename book scopes fields)
- (let* ((filename (format "~a.tex" basename))
- (outputter (ly:make-paper-outputter
- (open-file filename "w") 'tex))
- (paper (ly:paper-book-paper book))
- (lines (ly:paper-book-systems book))
- (last-line (car (last-pair lines))))
- (for-each
- (lambda (x)
- (ly:outputter-dump-string outputter x))
- (list
- ;;FIXME
- (header paper (length lines) #f)
- "\\def\\lilypondclassic{1}%\n"
- (output-scopes scopes fields basename)
- (define-fonts paper)
- (header-end)))
-
- (for-each
- (lambda (line) (dump-line outputter line (eq? line last-line))) lines)
- (ly:outputter-dump-string outputter "\\lilypondend\n")
- (ly:outputter-close outputter)
- (postprocess-output book framework-tex-module filename
- (output-formats))
- ))
-
-(define-public (output-preview-framework
- basename book scopes fields)
- (let* ((filename (format "~a.tex" basename))
- (outputter (ly:make-paper-outputter (open-file filename "wb")
- 'tex))
- (paper (ly:paper-book-paper book))
- (lines (ly:paper-book-systems book))
- (first-notes-index (list-index
- (lambda (s) (not (ly:paper-system-title? s)))
- lines)))
-
- (for-each
- (lambda (x)
- (ly:outputter-dump-string outputter x))
- (list
-
- ;;FIXME
- (header paper (length lines) #f)
- "\\def\\lilypondclassic{1}%\n"
- (output-scopes scopes fields basename)
- (define-fonts paper)
- (header-end)))
-
- (for-each
- (lambda (lst)
- (dump-line outputter lst (not (ly:paper-system-title? lst))))
- (take lines (1+ first-notes-index)))
- (ly:outputter-dump-string outputter "\\lilypondend\n")
- (ly:outputter-close outputter)
- (postprocess-output book framework-tex-module filename
- (output-formats))))
-
-(define-public (convert-to-pdf book name)
- (let* ((defs (ly:paper-book-paper book))
- (paper-width (ly:output-def-lookup defs 'paper-width))
- (paper-height (ly:output-def-lookup defs 'paper-height))
- (output-scale (ly:output-def-lookup defs 'output-scale)))
- (postscript->pdf (* paper-width output-scale (/ (ly:bp 1)))
- (* paper-height output-scale (/ (ly:bp 1)))
- (string-append (dir-basename name ".tex") ".ps"))))
-
-(define-public (convert-to-png book name)
- (let* ((defs (ly:paper-book-paper book))
- (resolution (ly:output-def-lookup defs 'pngresolution))
- (paper-width (ly:output-def-lookup defs 'paper-width))
- (paper-height (ly:output-def-lookup defs 'paper-height))
- (output-scale (ly:output-def-lookup defs 'output-scale)))
- (postscript->png
- (if (number? resolution)
- resolution
- (ly:get-option 'resolution))
-
- (* paper-width output-scale (/ (ly:bp 1)))
- (* paper-height output-scale (/ (ly:bp 1)))
-
- (string-append (dir-basename name ".tex") ".ps"))))
-
-(define-public (convert-to-ps book name)
- (let* ((paper (ly:paper-book-paper book))
- (preview? (string-contains name ".preview"))
- (papersizename (ly:output-def-lookup paper 'papersizename))
- (landscape? (eq? #t (ly:output-def-lookup paper 'landscape)))
- (base (dir-basename name ".tex"))
- (ps-name (format "~a.ps" base ".ps"))
- (cmd (string-append "dvips"
- (if preview?
- " -E"
- (string-append
- " -t"
- ;; careful: papersizename is user-set.
- (sanitize-command-option papersizename)
- ""))
- (if landscape? " -tlandscape" "")
- (if (ly:kpathsea-find-file "lm.map")
- " -u+lm.map" "")
- (if (ly:kpathsea-find-file "ecrm10.pfa")
- " -u+ec-mftrace.map" "")
- " -u+lilypond.map -Ppdf" ""
- " -o" ps-name
- " " base)))
- (if (access? ps-name W_OK)
- (delete-file ps-name))
- (if (not (ly:get-option 'verbose))
- (begin
- (ly:message (_ "Converting to `~a'...") (string-append base ".ps"))
- (ly:progress "\n")))
- (ly:system cmd)))
-
-(define-public (convert-to-dvi book name)
- (let* ((curr-extra-mem
- (string->number
- (regexp-substitute/global
- #f " *%.*\n?"
- (ly:kpathsea-expand-variable "extra_mem_top")
- 'pre "" 'post)))
- (base (dir-basename name ".tex"))
- (cmd (format
- #f "latex \\\\nonstopmode \\\\input '~a'" name)))
-
- ;; FIXME: latex 'foo bar' works, but \input 'foe bar' does not?
- (if (string-index name (char-set #\space #\ht #\newline #\cr))
- (ly:error (_"TeX file name must not contain whitespace: `~a'") name))
-
- (setenv "extra_mem_top" (number->string (max curr-extra-mem 1024000)))
- (let ((dvi-name (string-append base ".dvi")))
- (if (access? dvi-name W_OK)
- (delete-file dvi-name)))
- (if (not (ly:get-option 'verbose))
- (begin
- (ly:message (_ "Converting to `~a'...") (string-append base ".dvi"))
- (ly:progress "\n")))
-
- ;; FIXME: set in environment?
- (if (ly:get-option 'safe)
- (set! cmd (string-append "openout_any=p " cmd)))
-
- (ly:system cmd)))
-
-(define-public (convert-to-tex book name)
- #t)
-