;;; album.el --- Photo album utility ;; Copyright (C) 2005 MORIOKA Tomohiko ;; Keywords: Photo, image, album, HTML, WWW ;; This file is part of Album. ;; Album 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, or (at your option) ;; any later version. ;; Album 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 GNU Emacs; see the file COPYING. If not, write to the ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;;; Commentary: ;; It requires `convert' and `identify' of ImageMagick. ;;; Code: (defun album-make-spec-by-width (width limit spec-name) (when (> width limit) (let ((percent (floor (/ (* limit 100.0) width)))) (vector percent spec-name (/ (* width percent) 100.0) (/ (* height percent) 100.0))))) (defun album-make-spec-by-height (height limit spec-name) (when (> height limit) (let ((percent (floor (/ (* limit 100.0) height)))) (vector percent spec-name (/ (* width percent) 100.0) (/ (* height percent) 100.0))))) (defun album-write-html (dest-dir lang image-url-prefix prev-file file next-file prev-grade grade next-grade) (with-temp-buffer (insert "\n") (insert "\n") (insert "\n") (insert (format "%s\n" file)) (insert "\n") (insert "\n") (insert (format "

%s

\n" file)) (if prev-file (insert (format "" prev-file))) (insert "[Previous]") (if prev-file (insert "")) (insert "\n") (if next-file (insert (format "" next-file))) (insert "[Next]") (if next-file (insert "")) (insert "\n") (if prev-grade (insert (format "" prev-grade file))) (insert "[Smaller]") (if prev-grade (insert "")) (insert "\n") (if next-grade (insert (format "" next-grade file))) (insert "[Larger]") (if next-grade (insert "")) (insert "\n") (insert "
") (insert "") (insert (format "\"%s\"" file (if image-url-prefix (format "%s/%s/%s" image-url-prefix grade file) file))) (insert "
[index] ") (unless (file-exists-p (expand-file-name (symbol-name grade) dest-dir)) (make-directory (expand-file-name (symbol-name grade) dest-dir))) (write-region (point-min)(point-max) (expand-file-name (concat file ".html") (expand-file-name (symbol-name grade) dest-dir))))) (defun album-convert-image (image-dest-dir html-dest-dir lang image-url-prefix prev-file file next-file) (setq file (expand-file-name file)) (unless html-dest-dir (setq html-dest-dir image-dest-dir)) (let* ((ret (with-temp-buffer (call-process "identify" nil t t file) (goto-char (point-min)) (and (re-search-forward " \\([0-9]+\\)x\\([0-9]+\\) " nil t) (cons (string-to-number (match-string 1)) (string-to-number (match-string 2)))))) (width (car ret)) (height (cdr ret)) prev-grade rest dest) (cond ((>= width height) (when (setq ret (album-make-spec-by-width width 2048 'QXGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 1600 'UXGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 1400 'SXGA+)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 1280 'SXGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 1024 'XGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 800 'SVGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 640 'VGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-width width 160 'thumbnail)) (setq dest (cons ret dest))) ) (t (when (setq ret (album-make-spec-by-height height 1536 'QXGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 1200 'UXGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 1050 'SXGA+)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 960 'SXGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 768 'XGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 600 'SVGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 480 'VGA)) (setq dest (cons ret dest))) (when (setq ret (album-make-spec-by-height height 160 'thumbnail)) (setq dest (cons ret dest))) )) (unless (file-exists-p (expand-file-name "thumbnail" image-dest-dir)) (make-directory (expand-file-name "thumbnail" image-dest-dir))) (call-process "convert" nil nil nil "-resize" (format "%d%%" (aref (car dest) 0)) file (expand-file-name (concat (file-name-sans-extension (file-name-nondirectory file)) ".jpg") (expand-file-name "thumbnail" image-dest-dir))) (setq rest (cdr dest)) (while rest (setq spec (car rest)) (album-write-html html-dest-dir lang image-url-prefix (if prev-file (file-name-sans-extension (file-name-nondirectory prev-file))) (file-name-sans-extension (file-name-nondirectory file)) (if next-file (file-name-sans-extension (file-name-nondirectory next-file))) prev-grade (aref spec 1) (if (nth 1 rest) (aref (nth 1 rest) 1))) (call-process "convert" nil nil nil "-resize" (format "%d%%" (aref spec 0)) file (expand-file-name (concat (file-name-sans-extension (file-name-nondirectory file)) ".jpg") (expand-file-name (symbol-name (aref spec 1)) image-dest-dir))) (setq prev-grade (aref spec 1)) (setq rest (cdr rest))) (unless (file-exists-p (expand-file-name "fullsize" image-dest-dir)) (make-directory (expand-file-name "fullsize" image-dest-dir))) (if (string= (downcase (file-name-extension file)) "jpg") (call-process "ln" nil nil nil "-f" file (expand-file-name "fullsize" image-dest-dir)) (call-process "convert" nil nil nil file (expand-file-name (concat (file-name-sans-extension (file-name-nondirectory file)) ".jpg") (expand-file-name "fullsize" image-dest-dir)))) dest)) (defun album-convert-images (image-dest-dir html-dest-dir lang image-url-prefix &rest source-images) (unless html-dest-dir (setq html-dest-dir image-dest-dir)) (if (and (consp (car source-images)) (null (cdr source-images))) (setq source-images (car source-images))) (album-make-thumbnails html-dest-dir lang image-url-prefix source-images) (let (file prev-file) (while source-images (setq file (car source-images)) (album-convert-image image-dest-dir html-dest-dir lang image-url-prefix prev-file file (nth 1 source-images)) (setq prev-file file source-images (cdr source-images))))) (defun album-make-thumbnails (html-dest-dir lang image-url-prefix source-images) (let ((album (file-name-nondirectory (if (eq (aref html-dest-dir (1- (length html-dest-dir))) ?/) (substring html-dest-dir 0 (1- (length html-dest-dir))) html-dest-dir))) file) (with-temp-buffer (insert "\n") (insert "\n") (insert "\n") (insert (format "%s\n" album)) (insert "\n") (insert "\n") (insert (format "

%s

\n" album)) (insert "
") (dolist (image-file source-images) (setq file (file-name-sans-extension (file-name-nondirectory image-file))) (insert "") (insert (format "\"%s\"" file (if image-url-prefix (format "%s/%s/%s" image-url-prefix grade file) file))) (insert "\n")) (insert "
") (write-region (point-min)(point-max) (expand-file-name "index.html" html-dest-dir))))) (defun album-convert-directory (image-dest-dir html-dest-dir lang image-url-prefix source-dir &rest patterns) (let (files) (if patterns (dolist (pat patterns) (setq files (append files (directory-files source-dir 'full pat)))) (setq files (let (case-fold-search) (directory-files source-dir 'full ".+\\.\\(tiff\\|jpg\\|JPG\\|jpeg\\|gif\\|png\\)$")))) (album-convert-images image-dest-dir html-dest-dir lang image-url-prefix files))) (provide 'album) ;;; album.el ends here