PIKApp/plug-ins/script-fu/scripts/contactsheet.scm

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; "Contact Sheet" v1.2 September 5, 2007
; by Kevin Cozens <kcozens@interlog.com>
;
; PIKA - Photo and Image Kooker Application
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; 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 3 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, see <https://www.gnu.org/licenses/>.
;
; Version 1.0 (July 27, 2004)
; Created
;
; Version 1.1 (September 2, 2004)
; Added ability to select sheet size, set font used for sheet and image
;
; Version 1.2 (September 5, 2007)
; Preserve aspect ratio of original image. Center thumbnail in the area
; allowed for the thumbnail. Added disable/enable of undo operations.
; Added 1600x1200 sheet size.
(define (script-fu-contactsheet dir sheet-size
title-font legend-font text-color bg-color)
(define (init-sheet-data size)
(let (
(sheet-w 0)
(sheet-h 0)
(thumb-w 0)
(thumb-h 0)
(border-x 0) ;Space between rows and at top and bottom of thumbnails
(border-y 0) ;Space between columns and at left and right of thumbnails
(off-x 0) ; Additional X shift to properly center a row of thumbnails
(off-y 0) ; Additional Y shift to properly center rows of thumbnails
(count 0)
)
(case size
((0) (set! sheet-w 640)
(set! sheet-h 480)
(set! thumb-w 90)
(set! thumb-h 68)
(set! border-x 32)
(set! border-y 23)
(set! off-x -1)
(set! off-y 0)
(set! count 4)
)
((1) (set! sheet-w 800)
(set! sheet-h 600)
(set! thumb-w 119)
(set! thumb-h 90)
(set! border-x 34)
(set! border-y 25)
(set! off-x 0)
(set! off-y 0)
(set! count 4)
)
((2) (set! sheet-w 1024)
(set! sheet-h 768)
(set! thumb-w 133)
(set! thumb-h 100)
(set! border-x 32)
(set! border-y 24)
(set! off-x 1)
(set! off-y 0)
(set! count 5)
)
((3) (set! sheet-w 1280)
(set! sheet-h 1024)
(set! thumb-w 133)
(set! thumb-h 100)
(set! border-x 24)
(set! border-y 25)
(set! off-x 0)
(set! off-y 0)
(set! count 7)
)
((4) (set! sheet-w 1600)
(set! sheet-h 1200)
(set! thumb-w 120)
(set! thumb-h 90)
(set! border-x 36)
(set! border-y 25)
(set! off-x 2)
(set! off-y 0)
(set! count 9)
)
)
(list sheet-w sheet-h thumb-w thumb-h border-x border-y off-x off-y count)
)
)
(define (init-sheet-img img num img-width border-y off-y)
(let* (
(text-layer 0)
(text-width 0)
(text-height 0)
)
(pika-selection-all img)
(pika-drawable-fill (aref (cadr (pika-image-get-selected-layers img)) 0)
FILL-BACKGROUND)
(pika-selection-none img)
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(set! text-layer (car (pika-text-font img -1 0 0
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(string-append _"Contact Sheet "
(number->string num)
_" for directory " dir)
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0 TRUE 14 title-font)))
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(set! text-width (car (pika-drawable-get-width text-layer)))
(set! text-height (car (pika-drawable-get-height text-layer)))
(pika-layer-set-offsets text-layer
(/ (- img-width text-width) 2)
(/ (- (+ border-y off-y) text-height) 2)
)
(pika-image-merge-visible-layers img CLIP-TO-IMAGE)
)
)
(define (make-thumbnail-size img thumb-w thumb-h)
(let* (
(file-height (car (pika-image-get-height img)))
(file-width (car (pika-image-get-width img)))
(aspect-ratio (/ file-width file-height))
)
;Preserve the aspect ratio of the original image
(if (> file-width file-height)
(set! thumb-h (/ thumb-w aspect-ratio))
(set! thumb-w (* thumb-h aspect-ratio))
)
(pika-image-scale img thumb-w thumb-h)
)
)
(let* (
(dir-stream (dir-open-stream dir))
(sheet-num 1)
(img-count 0)
(pos-x 0)
(pos-y 0)
(sheet-data 0)
(sheet-width 0)
(sheet-height 0)
(thumb-w 0)
(thumb-h 0)
(border-x 0)
(border-y 0)
(off-x 0)
(off-y 0)
(max-x 0)
(max-y 0)
(sheet-img 0)
(sheet-layer 0)
(new-img 0)
(file 0)
(file-path 0)
(tmp-layer 0)
)
(pika-context-push)
(pika-context-set-defaults)
(pika-context-set-foreground text-color)
(pika-context-set-background bg-color)
(set! sheet-data (init-sheet-data sheet-size))
(set! sheet-width (car sheet-data))
(set! sheet-height (cadr sheet-data))
(set! sheet-data (cddr sheet-data))
(set! thumb-w (car sheet-data))
(set! thumb-h (cadr sheet-data))
(set! sheet-data (cddr sheet-data))
(set! border-x (car sheet-data))
(set! border-y (cadr sheet-data))
(set! sheet-data (cddr sheet-data))
(set! off-x (car sheet-data))
(set! off-y (cadr sheet-data))
(set! max-x (caddr sheet-data))
(set! max-y max-x)
(set! sheet-img (car (pika-image-new sheet-width sheet-height RGB)))
(pika-image-undo-disable sheet-img)
(set! sheet-layer (car (pika-layer-new sheet-img sheet-width sheet-height
RGB-IMAGE "Background"
100 LAYER-MODE-NORMAL)))
(pika-image-insert-layer sheet-img sheet-layer 0 0)
(init-sheet-img sheet-img sheet-num sheet-width border-y off-y)
(if (not dir-stream)
(pika-message (string-append _"Unable to open directory " dir))
(begin
(do
( (file (dir-read-entry dir-stream) (dir-read-entry dir-stream)) )
( (eof-object? file) )
(set! file-path (string-append dir DIR-SEPARATOR file))
; file-path is a full path, file is filename
(if (and (not (re-match "index.*" file))
(= (file-type file-path) FILE-TYPE-FILE)
)
(catch ()
(set! new-img
(car (pika-file-load RUN-NONINTERACTIVE file-path)))
(make-thumbnail-size new-img thumb-w thumb-h)
(if (> (car (pika-image-get-layers new-img)) 1)
(pika-image-flatten new-img)
)
(set! tmp-layer
(car (pika-layer-new-from-drawable
(aref (cadr (pika-image-get-selected-drawables new-img)) 0)
sheet-img)))
(pika-image-insert-layer sheet-img tmp-layer 0 0)
;Move thumbnail in to position and center it in area available.
(pika-layer-set-offsets tmp-layer
(+ border-x off-x (* pos-x (+ thumb-w border-x))
(/ (- thumb-w (car (pika-image-get-width new-img))) 2)
)
(+ border-y off-y (* pos-y (+ thumb-h border-y))
(/ (- thumb-h (car (pika-image-get-height new-img))) 2)
)
)
(pika-image-delete new-img)
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(set! tmp-layer (car (pika-text-font sheet-img -1 0 0 file
0 TRUE 12 legend-font)))
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(pika-layer-set-offsets tmp-layer
(+ border-x off-x (* pos-x (+ thumb-w border-x))
(/ (- thumb-w (car (pika-drawable-get-width tmp-layer))) 2))
(+ border-y off-y (* pos-y (+ thumb-h border-y)) thumb-h 6)
)
(set! img-count (+ img-count 1))
(set! pos-x (+ pos-x 1))
(if (> pos-x max-x)
(begin
(set! pos-x 0)
(set! pos-y (+ pos-y 1))
(if (> pos-y max-y)
(begin
(set! pos-y 0)
(set! sheet-layer (car (pika-image-flatten sheet-img)))
(pika-file-save
RUN-NONINTERACTIVE
sheet-img
1 (vector sheet-layer)
(string-append dir DIR-SEPARATOR
"index" (number->string sheet-num) ".jpg")
)
(set! sheet-num (+ sheet-num 1))
(init-sheet-img sheet-img sheet-num sheet-width
border-y off-y)
(set! img-count 0)
)
)
)
)
)
)
)
(dir-close-stream dir-stream)
(if (> img-count 0)
(begin
(set! sheet-layer (car (pika-image-flatten sheet-img)))
(pika-file-save
RUN-NONINTERACTIVE
sheet-img
1 (vector sheet-layer)
(string-append dir DIR-SEPARATOR
"index" (number->string sheet-num) ".jpg")
)
)
)
)
(pika-image-undo-enable sheet-img)
(pika-image-delete sheet-img)
(display (string-append _"Created " (number->string sheet-num)
_" contact sheets from a total of "
(number->string img-count) _" images"))
(newline)
)
(pika-context-pop)
)
)
(script-fu-register "script-fu-contactsheet"
_"_Contact Sheet..."
_"Create a series of images containing thumbnail sized versions of all of the images in a specified directory."
"Kevin Cozens <kcozens@interlog.com>"
"Kevin Cozens"
"July 19, 2004"
""
SF-DIRNAME _"Images Directory" "/tmp/test"
SF-OPTION _"Sheet size" '("640 x 480"
"800 x 600"
"1024 x 768"
"1280 x 1024"
"1600 x 1200")
SF-FONT _"Title font" "Sans Bold Italic"
SF-FONT _"Legend font" "Sans Bold"
SF-COLOR _"Text color" "white"
SF-COLOR _"Background color" "black"
)
(script-fu-menu-register "script-fu-contactsheet" "<Image>/Filters/Combine")