--- /dev/null
+;;; pdftex.scm -- implement Scheme output routines for PDFTeX
+;;;
+;;; source file of the GNU LilyPond music typesetter
+;;; modified from the existing tex.scm
+;;;
+;;; (c) 1998--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;; Stephen Peters <portnoy@portnoy.org>
+
+(define (pdftex-scm action-name)
+ (define (unknown)
+ "%\n\\unknown%\n")
+
+
+ (define (select-font name-mag-pair)
+ (let*
+ (
+ (c (assoc name-mag-pair font-name-alist))
+ )
+
+ (if (eq? c #f)
+ (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)))
+
+
+ ))
+
+ (define (beam width slope thick)
+ (embedded-pdf ((pdf-scm 'beam) width slope thick)))
+
+ (define (bracket arch_angle arch_width arch_height height arch_thick thick)
+ (embedded-pdf ((pdf-scm 'bracket) arch_angle arch_width arch_height height arch_thick thick)))
+
+ (define (dashed-slur thick dash l)
+ (embedded-pdf ((pdf-scm 'dashed-slur) thick dash l)))
+
+ (define (hairpin thick w sh eh)
+ (embedded-pdf ((pdf-scm 'hairpin) thick w sh eh)))
+
+ (define (char i)
+ (string-append "\\char" (inexact->string i 10) " "))
+
+ (define (dashed-line thick on off dx dy)
+ (embedded-pdf ((pdf-scm 'dashed-line) thick on off dx dy)))
+
+ (define (font-load-command name-mag command)
+ (string-append
+ "\\font\\" command "="
+ (car name-mag)
+ " scaled "
+ (ly-number->string (inexact->exact (* 1000 (cdr name-mag))))
+ "\n"))
+
+ (define (ez-ball c l b)
+ (embedded-pdf ((pdf-scm 'ez-ball) c l b)))
+
+ (define (embedded-pdf s)
+ (string-append "\\embeddedpdf{ " s "}"))
+
+ (define (comment s)
+ (string-append "% " s))
+
+ (define (end-output)
+ (begin
+; uncomment for some stats about lily memory
+; (display (gc-stats))
+ (string-append "\n\\EndLilyPondOutput"
+ ; Put GC stats here.
+ )))
+
+ (define (experimental-on)
+ "")
+
+ (define (repeat-slash w a t)
+ (embedded-pdf ((pdf-scm 'repeat-slash) w a t)))
+
+ (define (font-switch i)
+ (string-append
+ "\\" (font i) "\n"))
+
+ (define (font-def i s)
+ (string-append
+ "\\font" (font-switch i) "=" s "\n"))
+
+ (define (header-end)
+ (string-append
+ "\\input lilyponddefs\\newdimen\\outputscale \\outputscale=\\lilypondpaperoutputscale pt"
+ "\\turnOnPostScript"
+ "\\pdfcompresslevel=0"))
+
+ ;; Note: this string must match the string in ly2dvi.py!!!
+ (define (header creator generate)
+ (string-append
+ "% Generated automatically by: " creator generate "\n"))
+
+ (define (invoke-char s i)
+ (string-append
+ "\n\\" s "{" (inexact->string i 10) "}" ))
+
+ (define (invoke-dim1 s d)
+ (string-append
+ "\n\\" s "{" (number->dim d) "}"))
+ (define (pt->sp x)
+ (* 65536 x))
+
+ ;;
+ ;; need to do something to make this really safe.
+ ;;
+ (define (output-tex-string s)
+ (if security-paranoia
+ (if use-regex
+ (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post)
+ (begin (display "warning: not paranoid") (newline) s))
+ s))
+
+ (define (lily-def key val)
+ (let ((tex-key
+ (if use-regex
+ (regexp-substitute/global
+ #f "_" (output-tex-string key) 'pre "X" 'post)
+ (output-tex-string key)))
+ (tex-val (output-tex-string val)))
+ (if (equal? (sans-surrounding-whitespace tex-val) "")
+ (string-append "\\let\\" tex-key "\\undefined\n")
+ (string-append "\\def\\" tex-key "{" tex-val "}\n"))))
+
+ (define (number->dim x)
+ (string-append
+ ;;ugh ly-* in backend needs compatibility func for standalone output
+ (ly-number->string x) " \\outputscale "))
+
+ (define (placebox x y s)
+ (string-append
+ "\\placebox{"
+ (number->dim y) "}{" (number->dim x) "}{" s "}\n"))
+
+ (define (bezier-sandwich l thick)
+ (embedded-pdf ((pdf-scm 'bezier-sandwich) l thick)))
+
+ (define (start-line ht)
+ (string-append"\\vbox to " (number->dim ht) "{\\hbox{%\n"))
+
+ (define (stop-line)
+ "}\\vss}\\interscoreline\n")
+ (define (stop-last-line)
+ "}\\vss}")
+ (define (filledbox breapth width depth height)
+ (string-append
+ "\\kern" (number->dim (- breapth))
+ "\\vrule width " (number->dim (+ breapth width))
+ "depth " (number->dim depth)
+ "height " (number->dim height) " "))
+
+ (define (text s)
+ (string-append "\\hbox{" (output-tex-string s) "}"))
+
+ (define (tuplet ht gapx dx dy thick dir)
+ (embedded-pdf ((pdf-scm 'tuplet) ht gapx dx dy thick dir)))
+
+ (define (volta h w thick vert_start vert_end)
+ (embedded-pdf ((pdf-scm 'volta) h w thick vert_start vert_end)))
+
+ (define (define-origin file line col)
+ (if (procedure? point-and-click)
+ (string-append "\\special{src:\\string:"
+ (point-and-click line col file)
+ "}" )
+ "")
+ )
+
+ ; no-origin not supported in PDFTeX
+ (define (no-origin) "")
+
+ ;; The procedures listed below form the public interface of
+ ;; PDFTeX-scm. (should merge the 2 lists)
+ (cond ((eq? action-name 'all-definitions)
+ `(begin
+ (define font-load-command ,font-load-command)
+ (define beam ,beam)
+ (define bezier-sandwich ,bezier-sandwich)
+ (define bracket ,bracket)
+ (define char ,char)
+ (define dashed-line ,dashed-line)
+ (define dashed-slur ,dashed-slur)
+ (define hairpin ,hairpin)
+ (define end-output ,end-output)
+ (define experimental-on ,experimental-on)
+ (define filledbox ,filledbox)
+ (define font-def ,font-def)
+ (define font-switch ,font-switch)
+ (define header-end ,header-end)
+ (define lily-def ,lily-def)
+ (define ez-ball ,ez-ball)
+ (define header ,header)
+ (define invoke-char ,invoke-char)
+ (define invoke-dim1 ,invoke-dim1)
+ (define placebox ,placebox)
+ (define select-font ,select-font)
+ (define start-line ,start-line)
+ (define stop-line ,stop-line)
+ (define stop-last-line ,stop-last-line)
+ (define text ,text)
+ (define tuplet ,tuplet)
+ (define volta ,volta)
+ (define define-origin ,define-origin)
+ (define no-origin ,no-origin)
+ (define repeat-slash ,repeat-slash)
+ ))
+
+ ((eq? action-name 'beam) beam)
+ ((eq? action-name 'tuplet) tuplet)
+ ((eq? action-name 'bracket) bracket)
+ ((eq? action-name 'hairpin) hairpin)
+ ((eq? action-name 'dashed-line) dashed-line)
+ ((eq? action-name 'dashed-slur) dashed-slur)
+ ((eq? action-name 'end-output) end-output)
+ ((eq? action-name 'experimental-on) experimental-on)
+ ((eq? action-name 'font-def) font-def)
+ ((eq? action-name 'font-switch) font-switch)
+ ((eq? action-name 'header-end) header-end)
+ ((eq? action-name 'lily-def) lily-def)
+ ((eq? action-name 'header) header)
+ ((eq? action-name 'invoke-char) invoke-char)
+ ((eq? action-name 'invoke-dim1) invoke-dim1)
+ ((eq? action-name 'placebox) placebox)
+ ((eq? action-name 'bezier-sandwich) bezier-sandwich)
+ ((eq? action-name 'start-line) start-line)
+ ((eq? action-name 'stem) stem)
+ ((eq? action-name 'stop-line) stop-line)
+ ((eq? action-name 'stop-last-line) stop-last-line)
+ ((eq? action-name 'volta) volta)
+ ((eq? action-name 'repeat-slash) repeat-slash)
+ (else (error "unknown tag -- PDFTEX " action-name))
+ )
+ )
+
+(define (scm-pdftex-output)
+ (ly-eval (pdftex-scm 'all-definitions)))
projects / lilypond.git / commitdiff