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Diffstat (limited to 'src/guile/skribilo/package/slide/lout.scm')
| -rw-r--r-- | src/guile/skribilo/package/slide/lout.scm | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/guile/skribilo/package/slide/lout.scm b/src/guile/skribilo/package/slide/lout.scm new file mode 100644 index 0000000..d53cff1 --- /dev/null +++ b/src/guile/skribilo/package/slide/lout.scm @@ -0,0 +1,151 @@ +;;; lout.scm -- Lout implementation of the `slide' package. +;;; +;;; Copyright 2005, 2006 Ludovic Courtès <ludovic.courtes@laas.fr> +;;; +;;; +;;; This program 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 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program 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 this program; if not, write to the Free Software +;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +;;; USA. + +(define-skribe-module (skribilo package slide lout) + :use-module (skribilo utils syntax) + + ;; XXX: If changing the following `autoload' to `use-module' doesn't work, + ;; then you need to fix your Guile. See this thread about + ;; `make-autoload-interface': + ;; + ;; http://article.gmane.org/gmane.lisp.guile.devel/5748 + ;; http://lists.gnu.org/archive/html/guile-devel/2006-03/msg00004.html . + + :autoload (skribilo engine lout) (lout-tagify lout-output-pdf-meta-info + lout-verbatim-encoding)) + + +(fluid-set! current-reader %skribilo-module-reader) + +;;; TODO: +;;; +;;; Make some more PS/PDF trickery. + +(format (current-error-port) "Lout slides setup...~%") + +(let ((le (find-engine 'lout))) + + ;; FIXME: Automatically switching to `slides' is problematic, e.g., for the + ;; user manual which embeds slides. +; ;; Automatically switch to the `slides' document type. +; (engine-custom-set! le 'document-type 'slides)) + + (markup-writer 'slide le + :options '(:title :number :toc :ident) ;; '(:bg :vspace :image) + + :validate (lambda (n e) + (eq? (engine-custom e 'document-type) 'slides)) + + :before (lambda (n e) + (display "\n@Overhead\n") + (display " @Title { ") + (output (markup-option n :title) e) + (display " }\n") + (if (markup-ident n) + (begin + (display " @Tag { ") + (display (lout-tagify (markup-ident n))) + (display " }\n"))) + (if (markup-option n :number) + (begin + (display " @BypassNumber { ") + (output (markup-option n :number) e) + (display " }\n"))) + (display "@Begin\n") + + ;; `doc' documents produce their PDF outline right after + ;; `@Text @Begin'; other types of documents must produce it + ;; as part of their first chapter. + (lout-output-pdf-meta-info (ast-document n) e)) + + :after "@End @Overhead\n") + + (markup-writer 'slide-vspace le + :options '(:unit) + :validate (lambda (n e) + (and (pair? (markup-body n)) + (number? (car (markup-body n))))) + :action (lambda (n e) + (printf "\n//~a~a # slide-vspace\n" + (car (markup-body n)) + (case (markup-option n :unit) + ((cm) "c") + ((point points pt) "p") + ((inch inches) "i") + (else + (skribe-error 'lout + "Unknown vspace unit" + (markup-option n :unit))))))) + + (markup-writer 'slide-pause le + ;; FIXME: Use a `pdfmark' custom action and a PDF transition action. + ;; << /Type /Action + ;; << /S /Trans + ;; entry in the trans dict + ;; << /Type /Trans /S /Dissolve >> + :action (lambda (n e) + (let ((filter (make-string-replace lout-verbatim-encoding)) + (pdfmark " +[ {ThisPage} << /Trans << /S /Wipe /Dm /V /D 3 /M /O >> >> /PUT pdfmark")) + (display (lout-embedded-postscript-code + (filter pdfmark)))))) + + ;; For movies, see + ;; http://www.tug.org/tex-archive/macros/latex/contrib/movie15/movie15.sty . + (markup-writer 'slide-embed le + :options '(:alt :geometry :rgeometry :geometry-opt :command) + ;; FIXME: `pdfmark'. + ;; << /Type /Action /S /Launch + :action (lambda (n e) + (let ((command (markup-option n :command)) + (filter (make-string-replace lout-verbatim-encoding)) + (pdfmark "[ /Rect [ 0 ysize xsize 0 ] +/Name /Comment +/Contents (This is an embedded application) +/ANN pdfmark + +[ /Type /Action +/S /Launch +/F (~a) +/OBJ pdfmark")) + (display (string-append + "4c @Wide 3c @High " + (lout-embedded-postscript-code + (filter (format #f pdfmark command))))))))) + + + +;;; +;;; Customs for a nice handling of topics/subtopics. +;;; + +(let ((lout (find-engine 'lout))) + (if lout + (begin + (engine-custom-set! lout 'pdf-bookmark-node-pred + (lambda (n e) + (or (is-markup? n 'slide) + (is-markup? n 'slide-topic) + (is-markup? n 'slide-subtopic)))) + (engine-custom-set! lout 'pdf-bookmark-closed-pred + (lambda (n e) #f))))) + + +;;; arch-tag: 0c717553-5cbb-46ed-937a-f844b6aeb145 |