X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fframework-svg.scm;h=ba918ce3b01ea50c30e71f5716be4b04e93b2ba2;hb=40652d626dc52d09f28ec25e1a986c036ac171ae;hp=2e40558e64d448045218286f58cfcd77ca1d092b;hpb=bbcb58184883768ca35d64451d7f693d2db11bb7;p=lilypond.git diff --git a/scm/framework-svg.scm b/scm/framework-svg.scm index 2e40558e64..ba918ce3b0 100644 --- a/scm/framework-svg.scm +++ b/scm/framework-svg.scm @@ -1,105 +1,132 @@ -;; -;; framework-svg.scm -- structure for SVG output +;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; source file of the GNU LilyPond music typesetter -;;;; -;;;; (c) 2004--2006 Jan Nieuwenhuizen +;;;; Copyright (C) 2004--2010 Jan Nieuwenhuizen +;;;; Patrick McCarty +;;;; +;;;; 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 . + +;;;; Recommendations: +;;;; http://www.w3.org/TR/SVG11/ +;;;; http://www.w3.org/TR/SVGTiny12/ +;;;; +;;;; Working draft: +;;;; http://www.w3.org/TR/SVGPrint/ -- for and + +;;;; TODO: +;;;; * Once and are supported by Inkscape and +;;;; other user agents, add a -d option (-dsvg-multiple-page) +;;;; that will create a single SVG file containing all pages +;;;; of output. --pmccarty (define-module (scm framework-svg)) -(use-modules (guile) - (lily) - (scm page) - (scm output-svg)) +(use-modules + (guile) + (lily) + (scm page) + (scm paper-system) + (scm output-svg) + (srfi srfi-1) + (srfi srfi-2) + (srfi srfi-13) + (ice-9 regex)) + +(define format ergonomic-simple-format) -(use-modules (srfi srfi-1) - (srfi srfi-2) - (srfi srfi-13) - (ice-9 regex)) +(define (svg-begin . rest) + (eo 'svg + '(xmlns . "http://www.w3.org/2000/svg") + '(xmlns:xlink . "http://www.w3.org/1999/xlink") + '(version . "1.2") + `(width . ,(ly:format "~2fmm" (first rest))) + `(height . ,(ly:format "~2fmm" (second rest))) + `(viewBox . ,(ly:format "~4f ~4f ~4f ~4f" + (third rest) (fourth rest) + (fifth rest) (sixth rest))))) -(define-public (output-framework basename book scopes fields) - (let* ((filename (format "~a.svg" basename)) - (outputter (ly:make-paper-outputter (open-file filename "wb") - (ly:output-backend))) +(define (svg-end) + (ec 'svg)) + +(define (dump-page paper filename page page-number page-count) + (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg)) (dump (lambda (str) (display str (ly:outputter-port outputter)))) - (paper (ly:paper-book-paper book)) - (unit-length (ly:output-def-lookup paper 'output-scale)) - (output-scale (* lily-unit->mm-factor - unit-length)) - (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)) - (paper-width (ly:output-def-lookup paper 'paper-width)) - (paper-height (ly:output-def-lookup paper 'paper-height)) - (page-width (inexact->exact (ceiling (* output-scale paper-width)))) - (page-height (inexact->exact (ceiling (* output-scale paper-height)))) - (page-set? (or (> page-count 1) landscape?))) + (lookup (lambda (x) (ly:output-def-lookup paper x))) + (unit-length (lookup 'output-scale)) + (output-scale (* lily-unit->mm-factor unit-length)) + (device-width (lookup 'paper-width)) + (device-height (lookup 'paper-height)) + (page-width (* output-scale device-width)) + (page-height (* output-scale device-height))) + (dump (svg-begin page-width page-height + 0 0 device-width device-height)) + (dump (comment (format "Page: ~S/~S" page-number page-count))) (ly:outputter-output-scheme outputter - `(begin (set! lily-unit-length ,unit-length) "")) - (dump (eo 'svg - '(xmlns . "http://www.w3.org/2000/svg") - '(xmlns:xlink . "http://www.w3.org/1999/xlink") - '(version . "1.2") + `(begin (set! lily-unit-length ,unit-length) + "")) + (ly:outputter-dump-stencil outputter page) + (dump (svg-end)) + (ly:outputter-close outputter))) - ;; Argggghhhh: SVG takes the px <-> mm mapping from the windowing system - `(width . ,(format #f "~s" page-width)) - `(height . ,(format #f "~s" page-height)))) - - (dump (dump-fonts outputter paper)) - (dump - (string-append - ;; FIXME: only use pages if there are more than one, pageSet is - ;; not supported by all SVG applications yet. - (if page-set? (eo 'pageSet) "") - (eo 'g `(transform . ,(format "scale(~a, ~a) " - output-scale output-scale))))) - - (for-each - (lambda (page) - (set! page-number (1+ page-number)) - (dump-page outputter page page-number page-count landscape? page-set?)) - page-stencils) - - (if page-set? (eo 'pageSet) "") - (dump - (string-append - (ec 'g) - (if page-set? (ec 'pageSet) "") - (ec 'svg))))) +(define (dump-preview paper stencil filename) + (let* ((outputter (ly:make-paper-outputter (open-file filename "wb") 'svg)) + (dump (lambda (str) (display str (ly:outputter-port outputter)))) + (lookup (lambda (x) (ly:output-def-lookup paper x))) + (unit-length (lookup 'output-scale)) + (x-extent (ly:stencil-extent stencil X)) + (y-extent (ly:stencil-extent stencil Y)) + (left-x (car x-extent)) + (top-y (cdr y-extent)) + (device-width (interval-length x-extent)) + (device-height (interval-length y-extent)) + (output-scale (* lily-unit->mm-factor unit-length)) + (svg-width (* output-scale device-width)) + (svg-height (* output-scale device-height))) -(define (dump-page outputter page page-number page-count landscape? page-set?) - (define (dump str) (display str (ly:outputter-port outputter))) - - (dump (comment (format #f "Page: ~S/~S" page-number page-count))) - (if (or landscape? page-set?) - (dump - (if landscape? - (eo 'page '(page-orientation . "270")) - (eo 'page)))) - - (dump (string-append (eo 'g ))) - (ly:outputter-dump-stencil outputter page) - (dump (string-append (ec 'g))) - (if (or landscape? page-set?) - (dump (ec 'page)))) + (dump (svg-begin svg-width svg-height + left-x (- top-y) device-width device-height)) + (ly:outputter-output-scheme outputter + `(begin (set! lily-unit-length ,unit-length) + "")) + (ly:outputter-dump-stencil outputter stencil) + (dump (svg-end)) + (ly:outputter-close outputter))) -(define (embed-font string) - (let ((start (string-contains string "")) - (end (string-contains string ""))) - (substring string (+ start 7) (- end 1)))) -(define (dump-fonts outputter paper) - (let* ((fonts (ly:paper-fonts paper)) - (font-names (uniq-list (sort - (filter string? - (map ly:font-file-name fonts)) string