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;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; Copyright (C) 2004--2020 Han-Wen Nienhuys <[email protected]>
;;;;
;;;; 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/>.
(define-module (scm framework-ps))
;;; this is still too big a mess.
(use-modules (ice-9 string-fun)
(guile)
(scm page)
(scm paper-system)
(srfi srfi-1)
(srfi srfi-13)
(scm clip-region)
(scm output-ps)
(lily))
(define format ergonomic-simple-format)
(define framework-ps-module (current-module))
;;(define pdebug stderr)
(define (pdebug . rest) #f)
(define-public (ps-font-command font)
(let* ((name (ly:font-file-name font))
(magnify (ly:font-magnification font)))
(string-append
"magfont"
(ly:string-substitute
" " "_"
(ly:string-substitute
"/" "_"
(ly:string-substitute
"%" "_" name)))
"m" (string-encode-integer (inexact->exact (round (* 1000 magnify)))))))
(define (ps-define-pango-pf pango-pf font-name scaling)
"")
(define (ps-define-font font font-name scaling)
(if (ly:get-option 'music-font-encodings)
(string-append
"/" (ps-font-command font) "-N"
" { /" font-name "-N"
" " (ly:number->string scaling) " output-scale div selectfont }"
" bind def\n"
"/" (ps-font-command font) "-S"
" { /" font-name "-S"
" " (ly:number->string scaling) " output-scale div selectfont }"
" bind def\n"
"/" (ps-font-command font) "-O"
" { /" font-name "-O"
" " (ly:number->string scaling) " output-scale div selectfont }"
" bind def\n")
(string-append
"/" (ps-font-command font)
" { /" font-name
" " (ly:number->string scaling) " output-scale div selectfont }"
" bind def\n")))
;; FIXME: duplicated in other output backends
;; FIXME: silly interface name
(define (output-variables layout)
;; FIXME: duplicates output-layout's scope-entry->string, mostly
(define (value->string val)
(cond
((string? val) (string-append "(" val ")"))
((symbol? val) (symbol->string val))
((number? val) (number->string val))
(else "")))
(define (output-entry ps-key ly-key)
(string-append
"/" ps-key " "
(value->string (ly:output-def-lookup layout ly-key)) " def\n"))
(string-append
"/lily-output-units "
(number->string (/ (ly:bp 1))) " def %% millimeter\n"
(output-entry "staff-line-thickness" 'line-thickness)
(output-entry "line-width" 'line-width)
(output-entry "paper-size" 'papersizename)
(output-entry "staff-height" 'staff-height) ;junkme.
"/output-scale "
(number->string (ly:output-def-lookup layout 'output-scale)) " def\n"
(output-entry "page-height" 'paper-height)
(output-entry "page-width" 'paper-width)
(if (ly:get-option 'strokeadjust) "true setstrokeadjust\n" "")
))
(define (dump-page outputter page-stencil page-number page-count landscape?)
(ly:outputter-dump-string
outputter
(string-append
(format #f "%%Page: ~a ~a\n" page-number page-number)
"%%BeginPageSetup\n"
(if landscape?
"page-width output-scale lily-output-units mul mul 0 translate 90 rotate\n"
"")
"%%EndPageSetup\n"
"\n"
"gsave 0 paper-height translate set-ps-scale-to-lily-scale\n"))
(ly:outputter-dump-stencil outputter page-stencil)
(ly:outputter-dump-string outputter "stroke grestore\nshowpage\n"))
(define (supplies-or-needs paper load-fonts?)
(define (extract-names font)
(if (ly:pango-font? font)
(map car (ly:pango-font-physical-fonts font))
(list (ly:font-name font))))
(let* ((fonts (ly:paper-fonts paper))
(names (append-map extract-names fonts)))
(string-concatenate
(map (lambda (f)
(format #f
(if load-fonts?
"%%DocumentSuppliedResources: font ~a\n"
"%%DocumentNeededResources: font ~a\n")
f))
(uniq-list (sort names string<?))))))
(define (eps-header paper bbox load-fonts?)
(string-append "%!PS-Adobe-2.0 EPSF-2.0\n"
"%%Creator: LilyPond " (lilypond-version) "\n"
"%%BoundingBox: "
(string-join (map ly:number->string bbox) " ") "\n"
"%%Orientation: "
(if (eq? (ly:output-def-lookup paper 'landscape) #t)
"Landscape\n"
"Portrait\n")
(supplies-or-needs paper load-fonts?)
"%%EndComments\n"))
(define (ps-document-media paper)
(let* ((w (/ (*
(ly:output-def-lookup paper 'output-scale)
(ly:output-def-lookup paper 'paper-width)) (ly:bp 1)))
(h (/ (*
(ly:output-def-lookup paper 'paper-height)
(ly:output-def-lookup paper 'output-scale))
(ly:bp 1)))
(landscape? (eq? (ly:output-def-lookup paper 'landscape) #t)))
(ly:format "%%DocumentMedia: ~a ~2f ~2f ~a ~a ~a\n"
(ly:output-def-lookup paper 'papersizename)
(if landscape? h w)
(if landscape? w h)
80 ;; weight
"()" ;; color
"()" ;; type
)))
(define (file-header paper page-count load-fonts?)
(string-append "%!PS-Adobe-3.0\n"
"%%Creator: LilyPond " (lilypond-version) "\n"
"%%Pages: " (number->string page-count) "\n"
"%%PageOrder: Ascend\n"
"%%Orientation: "
(if (eq? (ly:output-def-lookup paper 'landscape) #t)
"Landscape\n"
"Portrait\n")
(ps-document-media paper)
(supplies-or-needs paper load-fonts?)
"%%EndComments\n"))
(define (procset file-name)
(format #f
"%%BeginResource: procset (~a) 1 0
~a
%%EndResource
"
file-name (cached-file-contents file-name)))
(define (embed-document file-name)
(format #f "%%BeginDocument: ~a
~a
%%EndDocument
"
file-name (cached-file-contents file-name)))
(define (setup-variables paper)
(string-append
"\n"
(define-fonts paper ps-define-font ps-define-pango-pf)
(output-variables paper)))
(define never-embed-font-list (list))
(define (cff-font? font)
(let* ((cff-string (ly:otf-font-table-data font "CFF ")))
(> (string-length cff-string) 0)))
(define-public (ps-embed-cff body font-set-name version)
(let* ((binary-data
(string-append
(format #f "/~a ~s StartData " font-set-name (string-length body))
body))
(header
(format #f
"%%BeginResource: font ~a
%!PS-Adobe-3.0 Resource-FontSet
%%DocumentNeededResources: ProcSet (FontSetInit)
%%Title: (FontSet/~a)
%%Version: ~s
%%EndComments
%%IncludeResource: ProcSet (FontSetInit)
%%BeginResource: FontSet (~a)
/FontSetInit /ProcSet findresource begin
%%BeginData: ~s Binary Bytes
"
font-set-name font-set-name version font-set-name
(string-length binary-data)))
(footer "\n%%EndData
%%EndResource
%%EndResource\n"))
(begin
(set! never-embed-font-list
(append never-embed-font-list (list font-set-name)))
(string-append header
binary-data
footer))))
(define check-conflict-and-embed-cff
(let ((font-list '()))
(lambda (name file-name font-index)
(if name
(let* ((name-symbol (string->symbol name))
(args-filename-offset
(cons file-name (ly:get-cff-offset file-name font-index)))
(found-filename-offset (assq name-symbol font-list)))
(if found-filename-offset
(begin
(if (equal? args-filename-offset (cdr found-filename-offset))
(ly:debug
(_ "CFF font `~a' already embedded, skipping.")
name)
(ly:warning
(_ "Different CFF fonts which have the same name `~a' has been detected. The font cannot be embedded.")
name))
"")
(begin
(ly:debug (_ "Embedding CFF font `~a'.") name)
(set! font-list
(acons name-symbol args-filename-offset font-list))
(ps-embed-cff (ly:otf->cff file-name font-index) name 0))))
(begin
(ly:debug (_ "Initializing embedded CFF font list."))
(set! font-list '()))))))
(define (initialize-font-embedding)
(check-conflict-and-embed-cff #f #f #f))
(define (is-collection-font? file-name)
(let* ((port (open-file file-name "rb"))
(retval
(if (eq? (read-char port) #\t)
(if (eq? (read-char port) #\t)
(if (eq? (read-char port) #\c)
(if (eq? (read-char port) #\f)
#t
#f)
#f)
#f)
#f)))
(close-port port)
retval))
(define (link-ps-resdir-font name file-name font-index)
(ly:debug (_ "Preparing font ~a in PostScript resource directory\
for subfont ~a of file `~a'...")
name font-index file-name)
(let* ((index (if (number? font-index) font-index 0))
(font-format (ly:get-font-format file-name index)))
(cond
((and (eq? font-format 'CFF)
(is-collection-font? file-name))
;; OpenType/CFF Collection (OTC)
(let* ((newpath (if (ly:has-glyph-names? file-name index)
(format #f "~a/Font/~a"
(ly:get-option 'font-ps-resdir) name)
(format #f "~a/CIDFont/~a"
(ly:get-option 'font-ps-resdir) name)))
(port (create-file-exclusive newpath)))
(if (not port)
(ly:debug (_ "File `~a' already exists, skipping...") newpath)
(begin
(close port)
(ly:extract-subfont-from-collection file-name index newpath)))))
((eq? font-format 'TrueType)
;; TrueType fonts (TTF) and TrueType Collection (TTC)
(ly:debug (_ "Font ~a is TrueType font, skipping...") name))
((or (eq? font-format (string->symbol "Type 1"))
(and (eq? font-format 'CFF)
(ly:has-glyph-names? file-name 0)))
;; Type 1 (PFA and PFB) fonts and non-CID OpenType/CFF fonts (OTF)
(let ((newpath (format #f "~a/Font/~a"
(ly:get-option 'font-ps-resdir) name)))
(if (not (symlink-or-copy-if-not-exist file-name newpath))
(ly:debug (_ "File `~a' already exists, skipping...") newpath))))
((eq? font-format 'CFF)
;; CID OpenType/CFF fonts (OTF)
(let ((newpath (format #f "~a/CIDFont/~a"
(ly:get-option 'font-ps-resdir) name)))
(if (not (symlink-or-copy-if-not-exist file-name newpath))
(ly:debug (_ "File `~a' already exists, skipping...") newpath))))
(else
(ly:warning (_ "Font ~a cannot be used in PostScript resource directory\
because it is unknown format." name))))))
(define (write-preamble paper load-fonts? port)
(define (internal-font? font-name-filename)
(let* ((font (car font-name-filename))
(file-name (caddr font-name-filename))
(font-file-name (ly:find-file (format #f "~a.otf" file-name))))
(and font
(cff-font? font)
font-file-name
(string-contains font-file-name
(ly:get-option 'datadir)))))
(define (load-font-via-GS font-name-filename)
(define (ps-load-file file-name name)
(if (string? file-name)
(begin
(if (ly:get-option 'font-ps-resdir)
(link-ps-resdir-font name file-name 0))
(if (string-contains file-name (ly:get-option 'datadir))
(begin
(set! file-name (ly:string-substitute
(ly:get-option 'datadir)
"" file-name))
(format #f
"lilypond-datadir (~a) concatstrings (r) file .loadfont\n"
file-name))
(format #f "(~a) (r) file .loadfont\n" file-name)))
(format #f "% cannot find font file: ~a\n" file-name)))
(let* ((font (car font-name-filename))
(name (cadr font-name-filename))
(file-name (caddr font-name-filename))
(font-index (cadddr font-name-filename))
(bare-file-name (ly:find-file file-name)))
(cond
((and (number? font-index)
(!= font-index 0))
(ly:warning (_ "Font ~a cannot be loaded via Ghostscript because its font-index (~a) is not zero.")
name font-index)
(load-font font-name-filename))
((and (string? bare-file-name)
(eq? (ly:get-font-format bare-file-name font-index) 'CFF)
(is-collection-font? bare-file-name))
(ly:warning (_ "Font ~a cannot be loaded via Ghostscript because it is an OpenType/CFF Collection (OTC) font.")
name)
(load-font font-name-filename))
((and (string? bare-file-name)
(eq? (ly:get-font-format bare-file-name font-index) 'TrueType)
(not (ly:has-glyph-names? bare-file-name font-index)))
(ly:warning (_ "Font ~a cannot be used via Ghostscript because it is a TrueType font that does not have glyph names.")
name)
(load-font font-name-filename))
(else
(begin
(if (or (and font (cff-font? font))
(and (string? bare-file-name)
(not (eq? (ly:get-font-format
bare-file-name
font-index) 'TrueType))))
(set! never-embed-font-list
(append never-embed-font-list (list name))))
(cons name
(if (mac-font? bare-file-name)
(handle-mac-font name bare-file-name)
(cond
((and font (cff-font? font))
(ps-load-file (ly:find-file
(format #f "~a.otf" file-name)) name))
((string? bare-file-name)
(ps-load-file file-name name))
(else
(ly:warning (_ "cannot embed ~S=~S") name file-name)
"")))))))))
(define (dir-join a b)
(if (equal? a "")
b
(string-append a "/" b)))
(define (dir-listing dir-name)
(define (dir-helper dir lst)
(let ((e (readdir dir)))
(if (eof-object? e)
lst
(dir-helper dir (cons e lst)))))
(reverse (dir-helper (opendir dir-name) '())))
(define (handle-mac-font name file-name)
(let* ((dir-name (tmpnam))
(files '())
(status 0)
(embed #f)
(cwd (getcwd)))
(mkdir dir-name #o700)
(chdir dir-name)
(set! status (ly:system (list "fondu" "-force" file-name)))
(chdir cwd)
(set! files (dir-listing dir-name))
(for-each
(lambda (f)
(let* ((full-name (dir-join dir-name f)))
(if (and (not embed)
(equal? 'regular (stat:type (stat full-name)))
(equal? name (ly:ttf-ps-name full-name)))
(set! embed (font-file-as-ps-string name full-name 0)))
(if (or (equal? "." f)
(equal? ".." f))
#t
(delete-file full-name))))
files)
(rmdir dir-name)
(if (not embed)
(begin
(set! embed "% failed\n")
(ly:warning (_ "cannot extract file matching ~a from ~a")
name file-name)))
embed))
(define (font-file-as-ps-string name file-name font-index)
(let ((font-format (ly:get-font-format file-name font-index)))
(if (ly:get-option 'font-ps-resdir)
(link-ps-resdir-font name file-name font-index))
(cond
((eq? font-format (string->symbol "Type 1"))
;; Type 1 (PFA and PFB) fonts
(begin (set! never-embed-font-list
(append never-embed-font-list (list name)))
(ly:type1->pfa file-name)))
((eq? font-format 'TrueType)
;; TrueType fonts (TTF) and TrueType Collection (TTC)
(ly:ttf->pfa file-name font-index))
((eq? font-format 'CFF)
;; OpenType/CFF fonts (OTF) and OpenType/CFF Collection (OTC)
(check-conflict-and-embed-cff name file-name font-index))
(else
(ly:warning (_ "do not know how to embed ~S=~S") name file-name)
""))))
(define (mac-font? bare-file-name)
(and (eq? PLATFORM 'darwin)
bare-file-name
(or (string-endswith bare-file-name ".dfont")
(= (stat:size (stat bare-file-name)) 0))))
(define (load-font font-psname-filename-fontindex)
(let* ((font (list-ref font-psname-filename-fontindex 0))
(name (list-ref font-psname-filename-fontindex 1))
(file-name (list-ref font-psname-filename-fontindex 2))
(font-index (list-ref font-psname-filename-fontindex 3))
(bare-file-name (ly:find-file file-name)))
(cons name
(cond ((mac-font? bare-file-name)
(handle-mac-font name bare-file-name))
((and font (cff-font? font))
(begin
(if (ly:get-option 'font-ps-resdir)
(link-ps-resdir-font
name
(ly:find-file
(format #f "~a.otf" file-name))
font-index))
(ps-embed-cff (ly:otf-font-table-data font "CFF ")
name
0)))
(bare-file-name (font-file-as-ps-string
name bare-file-name font-index))
(else
(ly:warning (_ "do not know how to embed font ~s ~s ~s")
name file-name font))))))
(define (load-fonts paper)
(let* ((fonts (ly:paper-fonts paper))
;; todo - doc format of list.
(all-font-names
(map
(lambda (font)
(cond ((string? (ly:font-file-name font))
(list (list font
(ly:font-name font)
(ly:font-file-name font)
#f)))
((ly:pango-font? font)
(map (lambda (psname-filename-fontindex)
(list #f
(list-ref psname-filename-fontindex 0)
(list-ref psname-filename-fontindex 1)
(list-ref psname-filename-fontindex 2)))
(ly:pango-font-physical-fonts font)))
(else
(ly:font-sub-fonts font))))
fonts))
(font-names (uniq-list
(sort (concatenate all-font-names)
(lambda (x y) (string<? (cadr x) (cadr y))))))
;; slightly spaghetti-ish: deciding what to load where
;; is smeared out.
(font-loader
(lambda (name)
(cond ((ly:get-option 'gs-load-fonts)
(load-font-via-GS name))
((ly:get-option 'gs-load-lily-fonts)
(if (or (string-contains (caddr name)
(ly:get-option 'datadir))
(internal-font? name))
(load-font-via-GS name)
(load-font name)))
(else
(load-font name)))))
(pfas (map font-loader font-names)))
pfas))
(define (font-export name body)
(let* ((filename (format #f "~a/~a.font.ps"
(ly:get-option 'font-export-dir)
name))
(port-excl (create-file-exclusive filename)))
(if (not port-excl)
(begin
(ly:debug
(_ "Font file `~a' already exists, skipping...")
filename)
#f)
;; MinGW hack: need to have "b"inary for fonts
(let ((port (open-file filename "wb")))
(close port-excl)
(ly:debug (_ "Exporting font file `~a'.") filename)
(if (or (ly:get-option 'gs-load-fonts)
(ly:get-option 'gs-load-lily-fonts))
(begin
(display "%%BeginProlog\n" port)
(format port
"/lilypond-datadir where {pop} {userdict /lilypond-datadir (~a) put } ifelse\n"
(ly:get-option 'datadir))))
(format port "%%BeginFont: ~a\n" name)
(display body port)
(display "%%EndFont\n" port)
(if (or (ly:get-option 'gs-load-fonts)
(ly:get-option 'gs-load-lily-fonts))
(display "%%EndProlog\n" port))
(close-port port)))))
(display "%%BeginProlog\n" port)
(format
port
"/lilypond-datadir where {pop} {userdict /lilypond-datadir (~a) put } ifelse"
(ly:get-option 'datadir))
(set! never-embed-font-list (list))
(if (ly:get-option 'font-ps-resdir)
(let* ((resdir (format #f "~a" (ly:get-option 'font-ps-resdir)))
(cidfontdir (format #f "~a/CIDFont"
(ly:get-option 'font-ps-resdir)))
(fontdir (format #f "~a/Font"
(ly:get-option 'font-ps-resdir))))
(ly:debug
(_ "Making PostScript resource directory `~a'.") resdir)
(if (not (mkdir-if-not-exist resdir))
(ly:debug
(_ "PostScript resource directory `~a' already exists.") resdir))
(ly:debug
(_ "Making CIDFont directory `~a'.") cidfontdir)
(if (not (mkdir-if-not-exist cidfontdir))
(ly:debug
(_ "CIDFont directory `~a' already exists.") cidfontdir))
(ly:debug
(_ "Making Font directory `~a'.") fontdir)
(if (not (mkdir-if-not-exist fontdir))
(ly:debug
(_ "Font directory `~a' already exists.") fontdir))))
(if (ly:get-option 'font-export-dir)
(let ((dirname (format #f "~a" (ly:get-option 'font-export-dir))))
(ly:debug
(_ "Making font export directory `~a'.") dirname)
(if (not (mkdir-if-not-exist dirname))
(ly:debug
(_ "Font export directory `~a' already exists.") dirname))))
(if load-fonts?
(for-each (lambda (f)
(format port "\n%%BeginFont: ~a\n" (car f))
(display (cdr f) port)
(display "%%EndFont\n" port)
(if (ly:get-option 'font-export-dir)
(font-export (car f) (cdr f))))
(load-fonts paper)))
(if (ly:get-option 'gs-never-embed-fonts)
(begin
(display "
/currentpagedevice where {
pop currentpagedevice /Name known {
currentpagedevice /Name get (pdfwrite) eq {
<< /NeverEmbed [" port)
(display (string-concatenate
(map (lambda (f) (string-append " /" f))
never-embed-font-list)) port)
(display " ] >> setdistillerparams
} if
} if
} if\n" port)))
(if (ly:get-option 'music-font-encodings)
(display (procset "encodingdefs.ps") port))
(display (setup-variables paper) port)
;; adobe note 5002: should initialize variables before loading routines.
(display (procset "music-drawing-routines.ps") port)
(display (procset "lilyponddefs.ps") port)
(display "%%EndProlog\n" port)
(display "%%BeginSetup\ninit-lilypond-parameters\n%%EndSetup\n\n" port))
(define (ps-quote str)
(fold
(lambda (replacement-list result)
(string-join
(string-split
result
(car replacement-list))
(cadr replacement-list)))
str
'((#\\ "\\\\")
(#\nul "\\000") (#\cr "\\015") (#\newline "\\012")
(#\( "\\(") (#\) "\\)"))))
;;; Create DOCINFO pdfmark containing metadata
;;; header fields with pdf prefix override those without the prefix
(define (handle-metadata header port)
(define (metadata-encode val)
;; First, call ly:encode-string-for-pdf to encode the string (latin1 or
;; utf-16be), then escape all parentheses and backslashes
;;
;; NOTE: with guile-2.0+ ly:encode-string-for-pdf is not really needed and
;; could be replaced with the following code:
;;
;; (let* ((utf16be-bom #vu8(#xFE #xFF)))
;; (string-append (bytevector->string utf16be-bom "ISO-8859-1")
;; (bytevector->string (string->utf16 val 'big) "ISO-8859-1")))
;;
(ps-quote (ly:encode-string-for-pdf val)))
(define (metadata-lookup-output overridevar fallbackvar field)
(let* ((overrideval (ly:modules-lookup (list header) overridevar))
(fallbackval (ly:modules-lookup (list header) fallbackvar))
(val (if overrideval overrideval fallbackval)))
(if val
(format port "/~a (~a)\n" field (metadata-encode (markup->string val (list header)))))))
(if (module? header)
(begin
(display "mark " port)
(metadata-lookup-output 'pdfauthor 'author "Author")
(format port "/Creator (LilyPond ~a)\n" (lilypond-version))
(metadata-lookup-output 'pdftitle 'title "Title")
(metadata-lookup-output 'pdfsubject 'subject "Subject")
(metadata-lookup-output 'pdfkeywords 'keywords "Keywords")
(metadata-lookup-output 'pdfmodDate 'modDate "ModDate")
(metadata-lookup-output 'pdfsubtitle 'subtitle "Subtitle")
(metadata-lookup-output 'pdfcomposer 'composer "Composer")
(metadata-lookup-output 'pdfarranger 'arranger "Arranger")
(metadata-lookup-output 'pdfpoet 'poet "Poet")
(metadata-lookup-output 'pdfcopyright 'copyright "Copyright")
(display "/DOCINFO pdfmark\n\n" port)))
(if (ly:get-option 'outline-bookmarks)
;; Presenting the outline by default in PDF viewers.
(display "mark /PageMode /UseOutlines /DOCVIEW pdfmark\n\n" port))
(if (ly:get-option 'embed-source-code)
(let ((source-list (delete-duplicates
(remove (lambda (str)
(or
(string-contains str
(ly:get-option 'datadir))
(string=? str
"<included string>")))
(ly:source-files)))))
(display "\n/pdfmark where
{pop} {userdict /pdfmark /cleartomark load put} ifelse" port)
(for-each (lambda (fname idx)
(format port "\n
mark /_objdef {ly~a_stream} /type /stream /OBJ pdfmark
mark {ly~a_stream} << /Type /EmbeddedFile>> /PUT pdfmark
mark {ly~a_stream} (~a) /PUT pdfmark
mark /Name (LilyPond source file ~a)
/FS << /Type /Filespec /F (~a) /EF << /F {ly~a_stream} >> >> /EMBED pdfmark
mark {ly~a_stream} /CLOSE pdfmark
\n"
idx idx idx
(ps-quote (ly:gulp-file fname))
idx fname idx idx))
source-list (iota (length source-list))))))
(define (dump-pdf-bookmarks toc-alist page-numbers port)
(let* ((sorted-page-numbers
(sort (reverse page-numbers)
(lambda (pairA pairB)
(< (cdr pairA) (cdr pairB)))))
(remaining (map car sorted-page-numbers)))
;; TODO -- properly handle non-linear parent-children
;; relationships (within the format’s limitations) -vv
(map
(lambda (entry)
(let* ((id (car entry))
(page-number (cdr entry))
(alist (assoc-get id toc-alist)))
(set! remaining (cdr remaining))
(if (and (number? page-number) alist
(not (memq id remaining)))
(format
port
"mark /Page ~a /Title (~a) /Count ~a\
/View [/XYZ null null 0] /Subtype /Link /OUT pdfmark\n"
page-number
(ps-quote (markup->string (assoc-get 'text alist)))
(length (assoc-get 'children alist))))))
sorted-page-numbers)))
(define-public (output-framework basename book scopes fields)
(let* ((port (make-tmpfile basename))
(tmp-name (port-filename port))
(outputter (ly:make-paper-outputter port stencil-dispatch-alist))
(paper (ly:paper-book-paper book))
(header (ly:paper-book-header book))
(systems (ly:paper-book-systems book))
(page-stencils (map page-stencil (ly:paper-book-pages book)))
(landscape? (eq? (ly:output-def-lookup paper 'landscape) #t))
(page-number (1- (ly:output-def-lookup paper 'first-page-number)))
(page-count (length page-stencils)))
(cond-expand
(guile-2 (set-port-encoding! port "Latin1"))
(else))
(initialize-font-embedding)
(if (ly:get-option 'clip-systems)
(clip-system-EPSes basename book))
(if (ly:get-option 'dump-signatures)
(write-system-signatures basename (ly:paper-book-systems book) 1))
(output-scopes scopes fields basename)
(display (file-header paper page-count #t) port)
;; don't do BeginDefaults PageMedia: A4
;; not necessary and wrong
(write-preamble paper #t port)
(handle-metadata header port)
(for-each
(lambda (page)
(set! page-number (1+ page-number))
(dump-page outputter page page-number page-count landscape?))
page-stencils)
(if (ly:get-option 'outline-bookmarks)
(dump-pdf-bookmarks
(ly:output-def-lookup paper 'label-alist-table)
(ly:output-def-lookup paper 'label-page-table)
port))
(display "%%Trailer\n%%EOF\n" port)
(ly:outputter-close outputter)
(postprocess-output book framework-ps-module (ly:output-formats)
basename tmp-name #f)))
(define-public (dump-stencil-as-EPS paper dump-me filename
load-fonts)
(let* ((xext (ly:stencil-extent dump-me X))
(yext (ly:stencil-extent dump-me Y))
(padding (ly:get-option 'eps-box-padding))
(left-overshoot (if (number? padding)
(* -1 padding (ly:output-def-lookup paper 'mm))
#f))
(bbox
(map
(lambda (x)
(if (or (nan? x) (inf? x)
;; FIXME: huh?
(equal? (format #f "~S" x) "+#.#")
(equal? (format #f "~S" x) "-#.#"))
0.0 x))
;; the left-overshoot is to make sure that
;; bar numbers stick out of margin uniformly.
;;
(list
(if (number? left-overshoot)
(min left-overshoot (car xext))
(car xext))
(car yext) (cdr xext) (cdr yext)))))
(dump-stencil-as-EPS-with-bbox paper dump-me filename load-fonts bbox)))
(define-public (dump-stencil-as-EPS-with-bbox paper dump-me filename
load-fonts
bbox)
"Create an EPS file from stencil @var{dump-me} to @var{filename}.
@var{bbox} has format @code{(left-x, lower-y, right-x, upper-y)}. If
@var{load-fonts} set, include fonts inline."
(define (to-rounded-bp-box box)
"Convert box to 1/72 inch with rounding to enlarge the box."
(let* ((scale (ly:output-def-lookup paper 'output-scale))
(strip-non-number (lambda (x)
(if (or (nan? x)
(inf? x))
0.0
x)))
(directed-round (lambda (x rounder)
(inexact->exact
(rounder (/ (* (strip-non-number x) scale)
(ly:bp 1)))))))
(list (directed-round (car box) floor)
(directed-round (cadr box) floor)
(directed-round (max (1+ (car box)) (caddr box)) ceiling)
(directed-round (max (1+ (cadr box)) (cadddr box)) ceiling))))
(let* ((dest-name (format #f "~a.eps" filename))
(ignore (ly:message (_ "Layout output to `~a'...") dest-name))
(port (make-tmpfile dest-name))
(tmp-name (port-filename port))
(outputter (ly:make-paper-outputter port stencil-dispatch-alist))
(port (ly:outputter-port outputter))
(rounded-bbox (to-rounded-bp-box bbox))
(port (ly:outputter-port outputter))
(header (eps-header paper rounded-bbox load-fonts)))
(initialize-font-embedding)
(display header port)
(write-preamble paper load-fonts port)
(display "/mark_page_link { pop pop pop pop pop } bind def\n" port)
(display "gsave set-ps-scale-to-lily-scale\n" port)
(ly:outputter-dump-stencil outputter dump-me)
(display "stroke grestore\n%%Trailer\n%%EOF\n" port)
(ly:outputter-close outputter)
(ly:rename-file tmp-name dest-name)
))
(define (clip-systems-to-region basename paper systems region do-pdf do-png)
(let* ((extents-system-pairs
(filtered-map (lambda (paper-system)
(let* ((x-ext (system-clipped-x-extent
(paper-system-system-grob paper-system)
region)))
(if x-ext
(cons x-ext paper-system)
#f)))
systems))
(count 0))
(for-each
(lambda (ext-system-pair)
(let* ((xext (car ext-system-pair))
(paper-system (cdr ext-system-pair))
(yext (paper-system-extent paper-system Y))
(bbox (list (car xext) (car yext)
(cdr xext) (cdr yext)))
(filename (if (< 0 count)
(format #f "~a-~a" basename count)
basename)))
(set! count (1+ count))
(dump-stencil-as-EPS-with-bbox paper
(paper-system-stencil paper-system)
filename
(ly:get-option 'include-eps-fonts)
bbox)
(if do-pdf
(postscript->pdf 0 0 filename (format #f "~a.eps" filename) #t))
(if do-png
(postscript->png (ly:get-option 'resolution) 0 0 bbox
filename (format #f "~a.eps" filename) #t))))
extents-system-pairs)))
(define-public (clip-system-EPSes basename paper-book)
(define do-pdf
(member "pdf" (ly:output-formats)))
(define do-png
(member "png" (ly:output-formats)))
(define (clip-score-systems basename systems)
(let* ((layout (ly:grob-layout (paper-system-system-grob (car systems))))
(regions (ly:output-def-lookup layout 'clip-regions)))
(for-each
(lambda (region)
(clip-systems-to-region
(format #f "~a-from-~a-to-~a-clip"
basename
(rhythmic-location->file-string (car region))
(rhythmic-location->file-string (cdr region)))
layout systems region
do-pdf do-png))
regions)))
;; partition in system lists sharing their layout blocks
(let* ((systems (ly:paper-book-systems paper-book))
(count 0)
(score-system-list '()))
(fold
(lambda (system last-system)
(if (not (and last-system
(equal? (paper-system-layout last-system)
(paper-system-layout system))))
(set! score-system-list (cons '() score-system-list)))
(if (paper-system-layout system)
(set-car! score-system-list (cons system (car score-system-list))))
;; pass value.
system)
#f
systems)
(for-each (lambda (system-list)
;; filter out headers and top-level markup
(if (pair? system-list)
(clip-score-systems
(if (> count 0)
(format #f "~a-~a" basename count)
basename)
system-list)))
score-system-list)))
(define-public (output-preview-framework basename book scopes fields)
(let* ((paper (ly:paper-book-paper book))
(systems (relevant-book-systems book))
(to-dump-systems (relevant-dump-systems systems)))
(dump-stencil-as-EPS paper
(stack-stencils Y DOWN 0.0
(map paper-system-stencil
(reverse to-dump-systems)))
(format #f "~a.preview" basename)
#t)
(postprocess-output book framework-ps-module
(cons "png" (ly:output-formats))
(format #f "~a.preview" basename)
(format #f "~a.preview.eps" basename)
#t
)))
(define-public (output-crop-framework basename book scopes fields)
(let* ((paper (ly:paper-book-paper book))
(systems (relevant-book-systems book)))
(dump-stencil-as-EPS paper
(stack-stencils Y DOWN 0.0
(map paper-system-stencil
(reverse (reverse systems))))
(format #f "~a.cropped" basename)
#t)
(postprocess-output book framework-ps-module
(cons "png" (ly:output-formats))
(format #f "~a.cropped" basename)
(format #f "~a.cropped.eps" basename)
#t
)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (output-width-height defs)
(let* ((landscape (ly:output-def-lookup defs 'landscape))
(output-scale (ly:output-def-lookup defs 'output-scale))
(convert (lambda (x)
(* x output-scale (/ (ly:bp 1)))))
(paper-width (convert (ly:output-def-lookup defs 'paper-width)))
(paper-height (convert (ly:output-def-lookup defs 'paper-height)))
(w (if landscape paper-height paper-width))
(h (if landscape paper-width paper-height)))
(cons w h)))
(define-public (convert-to-pdf book base-name tmp-name is-eps)
(let* ((defs (ly:paper-book-paper book))
(width-height (output-width-height defs))
(width (car width-height))
(height (cdr width-height)))
(postscript->pdf width height base-name tmp-name is-eps)))
(define-public (convert-to-png book base-name tmp-name is-eps)
(let* ((defs (ly:paper-book-paper book))
(width-height (output-width-height defs))
(width (car width-height))
(height (cdr width-height))
(resolution (ly:get-option 'resolution))
;; We access the bbox from the EPS file by scanning the first
;; 256 bytes.
(header (ly:gulp-file tmp-name 256))
(bbox (get-postscript-bbox (car (string-split header #\nul)))))
(postscript->png resolution width height bbox base-name tmp-name is-eps)))
(define-public (convert-to-ps book base-name tmp-name is-eps)
(postscript->ps base-name tmp-name is-eps))
(define-public (output-classic-framework basename book scopes fields)
(ly:error (_ "\nThe PostScript backend does not support the
system-by-system output. For that, use the EPS backend instead,
lilypond -dbackend=eps FILE
If you have cut & pasted a lilypond fragment from a webpage, be sure
to only remove anything before
%% ****************************************************************
%% Start cut-&-pastable-section
%% ****************************************************************
")))
|