109 lines
4 KiB
Scheme
109 lines
4 KiB
Scheme
;
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; old-photo
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;
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;
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; Chris Gutteridge (cjg@ecs.soton.ac.uk)
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; At ECS Dept, University of Southampton, England.
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;
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; Branko Collin <collin@xs4all.nl> added the possibility to change
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; the border size in October 2001.
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; Define the function:
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(define (script-fu-old-photo inImage inLayer inDefocus inBorderSize inSepia inMottle inCopy)
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(let (
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(theImage (if (= inCopy TRUE) (car (gimp-image-duplicate inImage)) inImage))
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(theLayer 0)
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(theWidth 0)
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(theHeight 0)
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)
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(if (= inCopy TRUE)
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(gimp-image-undo-disable theImage)
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(gimp-image-undo-group-start theImage)
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)
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(gimp-selection-all theImage)
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(set! theLayer (car (gimp-image-flatten theImage)))
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(if (= inDefocus TRUE)
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(gimp-drawable-merge-new-filter theLayer "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" 0.48 "std-dev-y" 0.48 "filter" "auto")
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)
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(if (> inBorderSize 0)
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(script-fu-fuzzy-border theImage (vector theLayer) '(255 255 255)
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inBorderSize TRUE 8 FALSE 100 FALSE TRUE )
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)
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(set! theLayer (car (gimp-image-flatten theImage)))
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(if (= inSepia TRUE)
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(begin (gimp-drawable-desaturate theLayer DESATURATE-LIGHTNESS)
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(gimp-drawable-brightness-contrast theLayer -0.078125 -0.15625)
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(gimp-drawable-color-balance theLayer TRANSFER-SHADOWS TRUE 30 0 -30)
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)
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)
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(set! theWidth (car (gimp-image-get-width theImage)))
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(set! theHeight (car (gimp-image-get-height theImage)))
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(if (= inMottle TRUE)
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(let (
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(mLayer (car (gimp-layer-new theImage "Mottle"
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theWidth theHeight RGBA-IMAGE
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100 LAYER-MODE-DARKEN-ONLY)))
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)
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(gimp-image-insert-layer theImage mLayer 0 0)
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(gimp-selection-all theImage)
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(gimp-drawable-edit-clear mLayer)
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(gimp-selection-none theImage)
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(gimp-drawable-merge-new-filter mLayer "gegl:noise-rgb" 0 LAYER-MODE-REPLACE 1.0
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"independent" TRUE "red" 0.0 "green" 0.0 "blue" 0.0 "alpha" 0.5
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"correlated" FALSE "seed" (msrg-rand) "linear" TRUE)
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(gimp-drawable-merge-new-filter mLayer "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" 1.6 "std-dev-y" 1.6 "filter" "auto")
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(set! theLayer (car (gimp-image-flatten theImage)))
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)
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)
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(gimp-selection-none theImage)
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(if (= inCopy TRUE)
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(begin (gimp-image-clean-all theImage)
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(gimp-display-new theImage)
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(gimp-image-undo-enable theImage)
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)
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(gimp-image-undo-group-end theImage)
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)
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(gimp-displays-flush)
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)
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)
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(script-fu-register-filter "script-fu-old-photo"
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_"_Old Photo..."
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_"Make an image look like an old photo"
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"Chris Gutteridge"
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"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
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"16th April 1998"
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"RGB* GRAY*"
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SF-ONE-OR-MORE-DRAWABLE
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SF-TOGGLE _"Defocus" TRUE
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SF-ADJUSTMENT _"Border size" '(20 0 300 1 10 0 1)
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; since this plug-in uses the fuzzy-border plug-in, I used the
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; values of the latter, with the exception of the initial value
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; and the 'minimum' value.
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SF-TOGGLE _"Sepia" TRUE
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SF-TOGGLE _"Mottle" FALSE
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SF-TOGGLE _"Work on copy" TRUE
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)
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(script-fu-menu-register "script-fu-old-photo"
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"<Image>/Filters/Decor")
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