PIKApp/plug-ins/script-fu/scripts/old-photo.scm

109 lines
3.6 KiB
Scheme

;
; old-photo
;
;
; Chris Gutteridge (cjg@ecs.soton.ac.uk)
; At ECS Dept, University of Southampton, England.
; 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/>.
;
; Branko Collin <collin@xs4all.nl> added the possibility to change
; the border size in October 2001.
; Define the function:
(define (script-fu-old-photo inImage inLayer inDefocus inBorderSize inSepia inMottle inCopy)
(let (
(theImage (if (= inCopy TRUE) (car (pika-image-duplicate inImage)) inImage))
(theLayer 0)
(theWidth 0)
(theHeight 0)
)
(if (= inCopy TRUE)
(pika-image-undo-disable theImage)
(pika-image-undo-group-start theImage)
)
(pika-selection-all theImage)
(set! theLayer (car (pika-image-flatten theImage)))
(if (= inDefocus TRUE)
(plug-in-gauss-rle RUN-NONINTERACTIVE theImage theLayer 1.5 TRUE TRUE)
)
(if (> inBorderSize 0)
(script-fu-fuzzy-border theImage theLayer '(255 255 255)
inBorderSize TRUE 8 FALSE 100 FALSE TRUE )
)
(set! theLayer (car (pika-image-flatten theImage)))
(if (= inSepia TRUE)
(begin (pika-drawable-desaturate theLayer DESATURATE-LIGHTNESS)
(pika-drawable-brightness-contrast theLayer -0.078125 -0.15625)
(pika-drawable-color-balance theLayer TRANSFER-SHADOWS TRUE 30 0 -30)
)
)
(set! theWidth (car (pika-image-get-width theImage)))
(set! theHeight (car (pika-image-get-height theImage)))
(if (= inMottle TRUE)
(let (
(mLayer (car (pika-layer-new theImage theWidth theHeight
RGBA-IMAGE "Mottle"
100 LAYER-MODE-DARKEN-ONLY)))
)
(pika-image-insert-layer theImage mLayer 0 0)
(pika-selection-all theImage)
(pika-drawable-edit-clear mLayer)
(pika-selection-none theImage)
(plug-in-noisify RUN-NONINTERACTIVE theImage mLayer TRUE 0 0 0 0.5)
(plug-in-gauss-rle RUN-NONINTERACTIVE theImage mLayer 5 TRUE TRUE)
(set! theLayer (car (pika-image-flatten theImage)))
)
)
(pika-selection-none theImage)
(if (= inCopy TRUE)
(begin (pika-image-clean-all theImage)
(pika-display-new theImage)
(pika-image-undo-enable theImage)
)
(pika-image-undo-group-end theImage)
)
(pika-displays-flush theImage)
)
)
(script-fu-register "script-fu-old-photo"
_"_Old Photo..."
_"Make an image look like an old photo"
"Chris Gutteridge"
"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
"16th April 1998"
"RGB* GRAY*"
SF-IMAGE "The image" 0
SF-DRAWABLE "The layer" 0
SF-TOGGLE _"Defocus" TRUE
SF-ADJUSTMENT _"Border size" '(20 0 300 1 10 0 1)
; since this plug-in uses the fuzzy-border plug-in, I used the
; values of the latter, with the exception of the initial value
; and the 'minimum' value.
SF-TOGGLE _"Sepia" TRUE
SF-TOGGLE _"Mottle" FALSE
SF-TOGGLE _"Work on copy" TRUE
)
(script-fu-menu-register "script-fu-old-photo"
"<Image>/Filters/Decor")