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FU_photo_EZRedSkinFix.scm
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; FU_photo_EZRedSkinFix.scm
; version 2.8 [gimphelp.org]
; last modified/tested by Paul Sherman
; 02/14/2014 on GIMP-2.8.10
; 17/10/2020 on GIMP-2.10.20
;
; tweaked for GIMP-2.4.x by Paul Sherman 10/24/2007
;
; 02/14/2014 - convert to RGB if needed
;==============================================================
;
; Installation:
; This script should be placed in the user or system-wide script folder.
;
; Windows Vista/7/8)
; C:\Program Files\GIMP 2\share\gimp\2.0\scripts
; or
; C:\Users\YOUR-NAME\.gimp-2.8\scripts
;
; Windows XP
; C:\Program Files\GIMP 2\share\gimp\2.0\scripts
; or
; C:\Documents and Settings\yourname\.gimp-2.8\scripts
;
; Linux
; /home/yourname/.gimp-2.8/scripts
; or
; Linux system-wide
; /usr/share/gimp/2.0/scripts
;
;==============================================================
;
; LICENSE
;
; 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 <http://www.gnu.org/licenses/>.
;
;==============================================================
; Original information
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; lyle's EZ Red Skin Fix ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; A GIMP script-fu to perform a quick red skin fix
; technique created by lylejk of dpreview.com
;
; Creates a top layer set to Value mode and
; a second layer set to Screen mode.
;
; If you leave the "Merge Layers" box unchecked,
; the two layers will remain on the stack and you can
; adjust the opacity of the Screen layer to suit,
; then merge down if desired.
;
; With the "Merge Layers" box checked, the layers will
; automatically merge down, and the resulting layer name
; will be "Fixed with EZ Red Skin Fix". If you have several
; similar images to adjust, you may wish to determine the
; desired opacity manually on the first image, then check
; the "Merge Layers" box to speed things up on the rest of
; the layers. The script-fu input parameters are retained
; from one run to the next, so you won't have to change the
; opacity slider once you get it set the way you want it.
;==============================================================
(define (FU-EZRedSkinFix img drawable opacity merge-flag )
; Start an undo group. Everything between the start and the end
; will be carried out if an undo command is issued.
(gimp-image-undo-group-start img)
; convert to RGB if not....
(if (not (= RGB (car (gimp-image-base-type img))))
(gimp-image-convert-rgb img))
;CREATE THE SCREEN LAYER
(define screen-layer (car (gimp-layer-copy drawable 0)))
; Give it a name
(gimp-item-set-name screen-layer "Adjust opacity, then merge this layer down first")
; Add the new layer to the image
(gimp-image-insert-layer img screen-layer 0 0)
; Set opacity
(gimp-layer-set-opacity screen-layer opacity)
; Set the layer mode to Screen
(gimp-layer-set-mode screen-layer LAYER-MODE-SCREEN)
;CREATE THE VALUE LAYER
(define value-layer (car (gimp-layer-copy drawable 0)))
; Give it a name
(gimp-item-set-name value-layer "Merge this layer down second")
; Add the new layer to the image
(gimp-image-insert-layer img value-layer 0 0)
; Set opacity to 100%
(gimp-layer-set-opacity value-layer 100 )
; Set the layer mode to Value
(gimp-layer-set-mode value-layer LAYER-MODE-HSV-VALUE )
; NOW MERGE EVERYTHING DOWN IF DESIRED
(if (equal? merge-flag TRUE)
(gimp-image-merge-down img screen-layer 1 )
()
)
(if (equal? merge-flag TRUE)
(define second-merge (car(gimp-image-merge-down img value-layer 1 )))
()
)
(if (equal? merge-flag TRUE)
(gimp-item-set-name second-merge "Fixed with EZ Red Skin Fix")
()
)
; Complete the undo group
(gimp-image-undo-group-end img)
; Flush the display
(gimp-displays-flush)
)
(script-fu-register "FU-EZRedSkinFix"
"<Image>/Script-Fu/Photo/Enhancement/EZ Red Skin Fix"
"Performs a red skin fix technique. Add screen layer and a value layer. \nfile:FU_photo_EZRedSkinFix.scm"
"Script by Mark Lowry"
"Technique by lylejk of dpreview.com"
"2006"
"*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Current Layer" 0
SF-ADJUSTMENT "Strength? (Screen Layer Opacity)" '(35 0 100 1 10 0 0)
SF-TOGGLE "Merge layers when complete?" FALSE
)
; end of script