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FU_color_funky-color.scm
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; FU_color_funky-color.scm
; version 2.8 [gimphelp.org]
; last modified/tested by Paul Sherman
; 02/15/2014 on GIMP-2.8.10
;
; 02/15/2014 - convert to RGB if needed
; 04/26/2020 - convert to work with Gimp 2.10.18
; 23/08/2022 - updates to enable work with Gimp 2.10.32
;==============================================================
;
; 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
;
; Funky color script for GIMP 1.2
; Copyright (C) 2001 Iccii <iccii@hotmail.com>
;
; --------------------------------------------------------------------
; version 0.1 by Iccii 2001/12/03
; - Initial relase
; version 0.1a by Iccii 2001/12/08
; - Now only affects to selection area
; version 0.2 by karlhof26 2020/04/26
; - Changes to allow for working in Gim 2.10.18
;==============================================================
(define (apply-easy-glowing-effect
img
img-layer
blur)
(let* (
(img-width (car (gimp-drawable-width img-layer)))
(img-height (car (gimp-drawable-height img-layer)))
(layer (car (gimp-layer-new img img-width img-height RGBA-IMAGE
"Base Layer" 100 LAYER-MODE-NORMAL)))
(layer-copy (car (gimp-layer-copy layer TRUE)))
)
(gimp-image-resize img img-width img-height 0 0)
(if (equal? (car (gimp-drawable-has-alpha img-layer)) FALSE)
(gimp-layer-add-alpha img-layer))
(gimp-image-insert-layer img layer 0 -1)
(gimp-image-lower-item img layer)
(gimp-drawable-fill layer FILL-WHITE)
(set! layer (car (gimp-image-merge-down img img-layer EXPAND-AS-NECESSARY)))
(set! layer-copy (car (gimp-layer-copy layer TRUE)))
(gimp-image-insert-layer img layer-copy 0 -1)
(gimp-layer-set-mode layer-copy LAYER-MODE-OVERLAY)
(plug-in-gauss-iir2 1 img layer blur blur)
(plug-in-gauss-iir2 1 img layer-copy (+ (/ blur 2) 1) (+ (/ blur 2) 1))
(let* (
(point-num 3)
(control_pts (cons-array (* point-num 2) 'byte))
)
(aset control_pts 0 0.0) ; 0
(aset control_pts 1 0.0) ; 0
(aset control_pts 2 0.502) ; 127
(aset control_pts 3 1.0) ; 255
(aset control_pts 4 1.0) ; 255
(aset control_pts 5 0.0) ; 255
(gimp-drawable-curves-spline layer HISTOGRAM-VALUE (* point-num 2) control_pts)
(gimp-drawable-curves-spline layer-copy HISTOGRAM-VALUE (* point-num 2) control_pts)
)
(plug-in-gauss-iir2 1 img layer (+ (* blur 2) 1) (+ (* blur 2) 1))
(let* (
(point-num 4)
(control_pts (cons-array (* point-num 2) 'byte))
)
(aset control_pts 0 0.0) ; 0
(aset control_pts 1 0.0) ; 0
(aset control_pts 2 0.247) ; 63
(aset control_pts 3 1.0) ; 255
(aset control_pts 4 0.749) ; 191
(aset control_pts 5 0.0) ; 0
(aset control_pts 6 1.0) ; 255
(aset control_pts 7 1.0) ; 255
(gimp-drawable-curves-spline layer HISTOGRAM-VALUE (* point-num 2) control_pts)
(gimp-drawable-curves-spline layer-copy HISTOGRAM-VALUE (* point-num 2) control_pts)
)
(list layer layer-copy)
)
)
(define (FU-funky-color
img
layer
blur
)
(gimp-image-undo-group-start img)
(if (not (= RGB (car (gimp-image-base-type img))))
(gimp-image-convert-rgb img)
)
(let* (
(old-fg (car (gimp-context-get-foreground)))
(old-bg (car (gimp-context-get-background)))
(old-layer-name (car (gimp-item-get-name layer)))
(layer-list (apply-easy-glowing-effect img layer blur))
)
(gimp-item-set-name (car layer-list) old-layer-name)
(gimp-item-set-name (cadr layer-list) "Change layer mode")
(if (equal? (car (gimp-selection-is-empty img)) FALSE)
(begin
(gimp-selection-invert img)
(gimp-edit-clear (cadr layer-list))
(gimp-selection-invert img)
)
)
(gimp-context-set-foreground old-fg)
(gimp-context-set-background old-bg)
(gimp-image-undo-group-end img)
(gimp-displays-flush)
)
)
(script-fu-register
"FU-funky-color"
"<Toolbox>/Script-Fu/Colors/Funky Color"
"Create funky color logo image.\nBe sure to check out the MODE in the layers dialog after running the script. Different modes can yield many different results. \n file:FU_color_funky-color.scm"
"Iccii <iccii@hotmail.com>"
"karlhof26"
"2001, 2020"
"*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-ADJUSTMENT "Blur Amount" '(10 1 100 1 1 0 1)
)
; end of script