X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fbackend-library.scm;h=ec0a537bdda07495124f7a85280a40efbc76e2dd;hb=bcd5313d4aba58bce6b253c3a509f2989ad4c122;hp=aa432017db6301e658dd77d65822f229333d6a8b;hpb=d84c7587117731add28b3b3591e9ef3d92fa827c;p=lilypond.git diff --git a/scm/backend-library.scm b/scm/backend-library.scm index aa432017db..ec0a537bdd 100644 --- a/scm/backend-library.scm +++ b/scm/backend-library.scm @@ -1,14 +1,29 @@ -;;;; backend-library.scm -- helpers for the backends. +;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; source file of the GNU LilyPond music typesetter -;;;; -;;;; (c) 2005--2006 Jan Nieuwenhuizen +;;;; Copyright (C) 2005--2010 Jan Nieuwenhuizen ;;;; Han-Wen Nienhuys +;;;; +;;;; 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 . ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; backend helpers. -(define-public (ly:system command) +(use-modules (scm ps-to-png) + (scm paper-system) + (ice-9 optargs)) + +(define-public (ly:system command . rest) (let* ((status 0) (dev-null "/dev/null") (silenced (if (or (ly:get-option 'verbose) @@ -16,9 +31,15 @@ command (format #f "~a > ~a 2>&1 " command dev-null)))) (if (ly:get-option 'verbose) - (ly:message (_ "Invoking `~a'...") command)) - - (set! status (system silenced)) + (begin + (ly:message (_ "Invoking `~a'...") command)) + (ly:progress "\n")) + + (set! status + (if (pair? rest) + (system-with-env silenced (car rest)) + (system silenced))) + (if (> status 0) (begin (ly:message (_ "`~a' failed (~a)") command status) @@ -26,6 +47,22 @@ ;; hmmm. what's the best failure option? (throw 'ly-file-failed))))) +(define-public (system-with-env cmd env) + + "Execute CMD in fork, with ENV (a list of strings) as the environment" + (let* + ;; laziness: should use execle? + + ((pid (primitive-fork))) + (if (= 0 pid) + ;; child + (begin + (environ env) + (system cmd)) + + ;; parent + (cdr (waitpid pid))))) + (define-public (sanitize-command-option str) "Kill dubious shell quoting" @@ -51,24 +88,24 @@ (define-public (postscript->pdf paper-width paper-height name) (let* ((pdf-name (string-append - (basename (basename name ".ps") ".eps") + (dir-basename name ".ps" ".eps") ".pdf")) (is-eps (string-match "\\.eps$" name)) (paper-size-string (if is-eps - " -dEPSCrop " - (format "-dDEVICEWIDTHPOINTS=~,2f \ --dDEVICEHEIGHTPOINTS=~,2f " - paper-width paper-height ))) + "-dEPSCrop" + (ly:format "-dDEVICEWIDTHPOINTS=~$\ + -dDEVICEHEIGHTPOINTS=~$" + paper-width paper-height))) - (cmd (format #f + (cmd (ly:format "~a\ ~a\ ~a\ ~a\ - -dCompatibilityLevel=1.4 \ + -dCompatibilityLevel=1.4\ -dNOPAUSE\ -dBATCH\ - -r1200 \ + -r1200\ -sDEVICE=pdfwrite\ -sOutputFile=~S\ -c .setpdfwrite\ @@ -76,9 +113,10 @@ " (search-gs) (if (ly:get-option 'verbose) "" "-q") - (if (ly:get-option 'gs-load-fonts) - " -dNOSAFER " - " -dSAFER ") + (if (or (ly:get-option 'gs-load-fonts) + (ly:get-option 'gs-load-lily-fonts)) + "-dNOSAFER" + "-dSAFER") paper-size-string pdf-name name))) @@ -89,64 +127,48 @@ (set! cmd (string-regexp-substitute "=" "#" cmd)) (set! cmd (string-regexp-substitute "-dSAFER " "" cmd)))) - (if (access? pdf-name W_OK) - (delete-file pdf-name)) - (ly:message (_ "Converting to `~a'...") pdf-name) (ly:progress "\n") - (ly:system cmd) - )) - -(use-modules (scm ps-to-png)) + (ly:system cmd))) (define-public (postscript->png resolution paper-width paper-height name) + (let* ((verbose (ly:get-option 'verbose)) + (rename-page-1 #f)) + ;; Do not try to guess the name of the png file, ;; GS produces PNG files like BASE-page%d.png. - ;;(ly:message (_ "Converting to `~a'...") - ;; (string-append (basename name ".ps") "-page1.png" ))) - (let ((verbose (ly:get-option 'verbose)) - (rename-page-1 #f)) - (ly:message (_ "Converting to ~a...") "PNG") - (make-ps-images name resolution paper-width paper-height rename-page-1 verbose - (ly:get-option 'anti-alias-factor)) + (make-ps-images name + #:resolution resolution + #:page-width paper-width + #:page-height paper-height + #:rename-page-1 rename-page-1 + #:be-verbose verbose + #:anti-alias-factor (ly:get-option 'anti-alias-factor) + #:pixmap-format (ly:get-option 'pixmap-format)) (ly:progress "\n"))) (define-public (postprocess-output paper-book module filename formats) - (let* - ((completed (completize-formats formats)) - (base (string-regexp-substitute "\\.[a-z]+$" "" filename)) - (intermediate (remove - (lambda (x) - (member x formats)) - completed))) - - (for-each - (lambda (f) - ((eval (string->symbol (format "convert-to-~a" f)) module) - paper-book filename)) - completed) - + (let* ((completed (completize-formats formats)) + (base (dir-basename filename ".ps" ".eps")) + (intermediate (remove (lambda (x) (member x formats)) completed))) + (for-each (lambda (f) + ((eval (string->symbol (format "convert-to-~a" f)) + module) paper-book filename)) completed) (if (ly:get-option 'delete-intermediate-files) - (for-each - (lambda (f) - (delete-file (string-append base "." f))) - intermediate)) - )) + (for-each (lambda (f) + (if (file-exists? f) (delete-file f))) + (map (lambda (x) (string-append base "." x)) intermediate))))) (define-public (completize-formats formats) (define new-fmts '()) - (if (member "png" formats) (set! formats (cons "ps" formats))) (if (member "pdf" formats) (set! formats (cons "ps" formats))) - - (for-each - (lambda (x) - (if (member x formats) (set! new-fmts (cons x new-fmts)))) - '("tex" "dvi" "ps" "pdf" "png")) - + (for-each (lambda (x) + (if (member x formats) (set! new-fmts (cons x new-fmts)))) + '("ps" "pdf" "png")) (uniq-list (reverse new-fmts))) (define (header-to-file file-name key value) @@ -158,7 +180,10 @@ (if (equal? "-" file-name) "" file-name)) (if (equal? file-name "-") (display value) - (display value (open-file file-name "w"))) + (let ((port (open-file file-name "w"))) + (display value port) + (close-port port))) + (ly:progress "\n") "") @@ -175,3 +200,110 @@ scope))) (apply string-append (map output-scope scopes))) +(define-public (relevant-book-systems book) + (let ((systems (ly:paper-book-systems book))) + ;; skip booktitles. + (if (and (not (ly:get-option 'include-book-title-preview)) + (pair? systems) + (ly:prob-property (car systems) 'is-book-title #f)) + (cdr systems) + systems))) + +(define-public (relevant-dump-systems systems) + (let ((to-dump-systems '())) + (for-each + (lambda (sys) + (if (or (paper-system-title? sys) + (not (pair? to-dump-systems)) + (paper-system-title? (car to-dump-systems))) + (set! to-dump-systems (cons sys to-dump-systems)))) + systems) + to-dump-systems)) + +(define missing-stencil-list '()) + +(define-public (backend-testing output-module) + (define (missing-stencil-expression name) + (begin + (ly:warning (_ "missing stencil expression `~S'") name) + "")) + + (map (lambda (x) + (if (not (module-defined? output-module x)) + (begin + (module-define! output-module x + (lambda* (#:optional y . z) + (missing-stencil-expression x))) + (set! missing-stencil-list (append (list x) + missing-stencil-list))))) + (ly:all-stencil-commands))) + +(define-public (remove-stencil-warnings output-module) + (for-each + (lambda (x) + (module-remove! output-module x)) + missing-stencil-list)) + +(define (filter-out pred? lst) + (filter (lambda (x) (not (pred? x))) lst)) + +(define-public (font-name-split font-name) + "Return (FONT-NAME . DESIGN-SIZE) from FONT-NAME string or #f." + (let ((match (regexp-exec (make-regexp "(.*)-([0-9]*)") font-name))) + (if (regexp-match? match) + (cons (match:substring match 1) (match:substring match 2)) + (cons font-name-designsize #f)))) + +;; Example of a pango-physical-font +;; ("Emmentaler-11" "/home/janneke/vc/lilypond/out/share/lilypond/current/fonts/otf/emmentaler-11.otf" 0) +(define-public (pango-pf-font-name pango-pf) + "Return the font-name of the pango physical font PANGO-PF." + (list-ref pango-pf 0)) +(define-public (pango-pf-file-name pango-pf) + "Return the file-name of the pango physical font PANGO-PF." + (list-ref pango-pf 1)) +(define-public (pango-pf-fontindex pango-pf) + "Return the fontindex of the pango physical font PANGO-PF." + (list-ref pango-pf 2)) + +(define (pango-font-name pango-font) + (let ((pf-fonts (ly:pango-font-physical-fonts pango-font))) + (if (pair? pf-fonts) + (pango-pf-font-name (car pf-fonts)) + ""))) + +(define-public (define-fonts paper define-font define-pango-pf) + "Return a string of all fonts used in PAPER, invoking the functions +DEFINE-FONT DEFINE-PANGO-PF for producing the actual font definition." + + (let* ((font-list (ly:paper-fonts paper)) + (pango-fonts (filter ly:pango-font? font-list)) + (other-fonts (filter-out ly:pango-font? font-list)) + (other-font-names (map ly:font-name other-fonts)) + (pango-only-fonts + (filter-out (lambda (x) + (member (pango-font-name x) other-font-names)) + pango-fonts))) + + (define (font-load-command font) + (let* ((font-name (ly:font-name font)) + (designsize (ly:font-design-size font)) + (magnification (* (ly:font-magnification font))) + (ops (ly:output-def-lookup paper 'output-scale)) + (scaling (* ops magnification designsize))) + (if (equal? font-name "unknown") + (display (list font font-name))) + (define-font font font-name scaling))) + + (define (pango-font-load-command pango-font) + (let* ((pf-fonts (ly:pango-font-physical-fonts pango-font)) + (pango-pf (if (pair? pf-fonts) (car pf-fonts) '("" "" 0))) + (font-name (pango-pf-font-name pango-pf)) + (scaling (ly:output-def-lookup paper 'output-scale))) + (if (equal? font-name "unknown") + (display (list pango-font font-name))) + (define-pango-pf pango-pf font-name scaling))) + + (string-append + (apply string-append (map font-load-command other-fonts)) + (apply string-append (map pango-font-load-command pango-only-fonts)))))