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FU_artist_inkpen.scm
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; FU_artist_inkpen.scm
; version 2.9 [gimphelp.org]
; last modified/tested by Paul Sherman
; 02/15/2014 on GIMP-2.8.10
;
; 02/13/2014 - work with non-rgb, merge option and install info added
;==============================================================
;
; 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
;
; Inkpen script for GIMP 2.2
; Copyright (C) 2007 Eddy Verlinden <[email protected]>
;==============================================================
(define (FU-inkpen
img
drawable
color
lightness
length
outlines?
grid?
inMerge
)
(gimp-image-undo-group-start img)
(if (not (= RGB (car (gimp-image-base-type img))))
(gimp-image-convert-rgb img))
(let* (
(width (car (gimp-drawable-width drawable)))
(height (car (gimp-drawable-height drawable)))
(old-selection (car (gimp-selection-save img)))
(image-type (car (gimp-image-base-type img)))
(blur (* height 0.01 ))
(gridcolor '(128 128 255))
(layer-type (car (gimp-drawable-type drawable)))
(layer-tempa (car (gimp-layer-new img width height layer-type "tempa" 100 LAYER-MODE-NORMAL)))
(layer-tempb (car (gimp-layer-new img width height layer-type "tempb" 100 LAYER-MODE-NORMAL)))
(layer-tempc (car (gimp-layer-new img width height layer-type "tempc" 100 LAYER-MODE-NORMAL)))
(layer-tempd (car (gimp-layer-new img width height layer-type "tempd" 100 LAYER-MODE-NORMAL)))
(layer-tempe (car (gimp-layer-new img width height layer-type "tempe" 100 LAYER-MODE-NORMAL)))
(layer-tempf (car (gimp-layer-new img width height layer-type "tempf" 100 LAYER-MODE-NORMAL)))
(layer-tempg (car (gimp-layer-new img width height layer-type "tempg" 100 LAYER-MODE-NORMAL)))
)
(if (eqv? (car (gimp-selection-is-empty img)) TRUE)
(gimp-drawable-fill old-selection FILL-WHITE)) ; so Empty and All are the same.
(gimp-selection-none img)
(gimp-drawable-fill layer-tempb FILL-WHITE)
(gimp-image-insert-layer img layer-tempb 0 -1)
(gimp-edit-copy drawable)
(gimp-floating-sel-anchor (car (gimp-edit-paste layer-tempb 0)))
;(gimp-hue-saturation layer-tempb 0 0 lightness 0)
(gimp-drawable-hue-saturation layer-tempb HUE-RANGE-ALL 0 lightness 0 0)
;(gimp-threshold layer-tempb 125 255)
(gimp-drawable-threshold layer-tempb HISTOGRAM-VALUE 0.47 1.0) ;
(gimp-drawable-fill layer-tempa FILL-WHITE)
(gimp-image-insert-layer img layer-tempa 0 -1)
(plug-in-randomize-hurl 1 img layer-tempa 25 1 1 10)
(plug-in-mblur 1 img layer-tempa 0 length 135 1 0)
;(gimp-threshold layer-tempa 215 230)
(gimp-drawable-threshold layer-tempa HISTOGRAM-VALUE 0.843 0.901)
(gimp-drawable-fill layer-tempd FILL-WHITE)
(gimp-image-insert-layer img layer-tempd 0 -1)
(gimp-edit-copy drawable)
(gimp-floating-sel-anchor (car (gimp-edit-paste layer-tempd 0)))
;(gimp-hue-saturation layer-tempd 0 0 lightness 0)
(gimp-drawable-hue-saturation layer-tempd HUE-RANGE-ALL 0 lightness 0 0)
;(gimp-threshold layer-tempd 75 255)
(gimp-drawable-threshold layer-tempd HISTOGRAM-VALUE 0.294 1.0)
(gimp-drawable-fill layer-tempc FILL-WHITE)
(gimp-image-insert-layer img layer-tempc 0 -1)
(plug-in-randomize-hurl 1 img layer-tempc 25 1 1 10)
(plug-in-mblur 1 img layer-tempc 0 length 45 0 0)
;(gimp-threshold layer-tempc 215 230)
(gimp-drawable-threshold layer-tempc HISTOGRAM-VALUE 0.843 0.901)
(gimp-layer-set-mode layer-tempa 10)
(gimp-layer-set-mode layer-tempc 10)
(gimp-image-merge-down img layer-tempc 0)
(set! layer-tempc (car (gimp-image-get-active-layer img)))
(gimp-layer-set-mode layer-tempc 3)
(gimp-image-merge-down img layer-tempa 0)
(set! layer-tempa (car (gimp-image-get-active-layer img)))
(gimp-layer-set-mode layer-tempa 0)
(gimp-image-merge-down img layer-tempc 0)
(set! layer-tempa (car (gimp-image-get-active-layer img)))
(gimp-layer-set-mode layer-tempa 0)
;------------------------------------------------
(if (eqv? outlines? TRUE)
(begin
(gimp-image-insert-layer img layer-tempe 0 -1)
(gimp-edit-copy drawable)
(gimp-floating-sel-anchor (car (gimp-edit-paste layer-tempe 0)))
(plug-in-photocopy 1 img layer-tempe 5.0 1.0 0.0 0.8)
(gimp-levels layer-tempe 0 215 235 1.0 0 255)
(gimp-layer-set-mode layer-tempe 3)
(gimp-image-merge-down img layer-tempe 0)
(set! layer-tempa (car (gimp-image-get-active-layer img)))
)
)
;------------------------------------------------
(gimp-context-set-foreground color)
(gimp-drawable-fill layer-tempf 0)
(gimp-image-insert-layer img layer-tempf 0 -1)
(gimp-layer-set-mode layer-tempf 4)
(gimp-image-merge-down img layer-tempf 0)
(set! layer-tempa (car (gimp-image-get-active-layer img)))
;------------------------------------------------
(if (eqv? grid? TRUE)
(begin
(gimp-drawable-fill layer-tempg FILL-WHITE)
(gimp-image-insert-layer img layer-tempg 0 -1)
(gimp-image-lower-item img layer-tempg)
(plug-in-grid 1 img layer-tempg 1 16 8 gridcolor 64 1 16 8 gridcolor 64 0 2 6 gridcolor 128)
(plug-in-gauss 1 img layer-tempg 0.5 0.5 0)
(gimp-layer-set-mode layer-tempa 9)
(gimp-image-merge-down img layer-tempa 0)
(set! layer-tempa (car (gimp-image-get-active-layer img)))
)
)
;------------------------------------------------
(gimp-image-select-item img CHANNEL-OP-REPLACE old-selection)
(gimp-selection-invert img)
(if (eqv? (car (gimp-selection-is-empty img)) FALSE) ; both Empty and All are denied
(begin
(gimp-edit-clear layer-tempa)
)
)
(gimp-item-set-name layer-tempa "Inkpen")
(gimp-image-select-item img CHANNEL-OP-REPLACE old-selection)
(gimp-image-remove-channel img old-selection)
(if (= inMerge TRUE)(gimp-image-merge-visible-layers img EXPAND-AS-NECESSARY))
(gimp-image-undo-group-end img)
(gimp-displays-flush)
)
)
(script-fu-register "FU-inkpen"
"<Toolbox>/Script-Fu/Artist/Inkpen"
"Creates a inkpen drawing effect \nfile:FU_artist_inkpen.scm"
"Eddy Verlinden <[email protected]>"
"Eddy Verlinden"
"2007, juli"
"*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-COLOR "Ink Color" '(0 0 0)
SF-ADJUSTMENT "Lightness" '(0 -100 100 1 10 0 0)
SF-ADJUSTMENT "Stroke length" '(30 10 50 1 10 0 0)
SF-TOGGLE "Outlines" TRUE
SF-TOGGLE "Blue grid" FALSE
SF-TOGGLE "Merge layers when complete?" FALSE
)
; end of script