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; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
; http://www.gnu.org/licenses/gpl-3.0.html
;
; Copyright (C) 2008 elsamuko <elsamuko@web.de>
;
; Version 0.1 - Simulating the 3 color technicolor technique
;
;
(define (elsamuko-technicolor-3-color aimg adraw
redpart ;redintensity
greenpart ;greenintensity
bluepart ;blueintensity
cyanfill magentafill yellowfill
sharpen
stretch
retro
extra)
(let* ((img (car (gimp-drawable-get-image adraw)))
(owidth (car (gimp-image-width img)))
(oheight (car (gimp-image-height img)))
(sharpenlayer (car (gimp-layer-copy adraw FALSE)))
(floatingsel 0)
(redlayer (car (gimp-layer-copy adraw FALSE)))
(greenlayer (car (gimp-layer-copy adraw FALSE)))
(bluelayer (car (gimp-layer-copy adraw FALSE)))
(tmplayer (car (gimp-layer-copy adraw FALSE)))
(extralayer 0)
(purplelayer (car (gimp-layer-new img
owidth
oheight
1
"Retro Layer"
100
SUBTRACT-MODE)))
; (redmultiplylayer (car (gimp-layer-new img
; owidth
; oheight
; 1
; "Red Multiply"
; redintensity
; MULTIPLY-MODE)))
; (greenmultiplylayer (car (gimp-layer-new img
; owidth
; oheight
; 1
; "Green Multiply"
; greenintensity
; MULTIPLY-MODE)))
; (bluemultiplylayer (car (gimp-layer-new img
; owidth
; oheight
; 1
; "Blue Multiply"
; blueintensity
; MULTIPLY-MODE)))
;decomposing filter colors, you may change these
(red-R redpart)
(red-G (/ (- 1 redpart) 2) )
(red-B (/ (- 1 redpart) 2) )
(green-R (/ (- 1 greenpart) 2) )
(green-G greenpart)
(green-B (/ (- 1 greenpart) 2) )
(blue-R (/ (- 1 bluepart) 2) )
(blue-G (/ (- 1 bluepart) 2) )
(blue-B bluepart)
)
; init
(gimp-context-push)
(gimp-image-undo-group-start img)
(if (= (car (gimp-drawable-is-gray adraw )) TRUE)
(gimp-image-convert-rgb img)
)
(gimp-context-set-foreground '(0 0 0))
(gimp-context-set-background '(255 255 255))
;extra color layer
(if(= extra 1)
(begin
(gimp-image-add-layer img tmplayer 0)
(gimp-desaturate-full tmplayer DESATURATE-LIGHTNESS)
(gimp-layer-set-mode tmplayer GRAIN-EXTRACT-MODE)
(gimp-edit-copy-visible img)
(set! extralayer (car (gimp-layer-new-from-visible img img "Extra Color") ))
(gimp-image-add-layer img extralayer 0)
(gimp-drawable-set-visible extralayer FALSE)
(gimp-drawable-set-visible tmplayer FALSE)
)
)
;hide original layer
(gimp-drawable-set-visible adraw FALSE)
;RGB filter
(gimp-drawable-set-name bluelayer "Blue -> Yellow")
(gimp-drawable-set-name greenlayer "Green -> Magenta")
(gimp-drawable-set-name redlayer "Red -> Cyan")
(gimp-image-add-layer img greenlayer -1)
;(gimp-image-add-layer img greenmultiplylayer -1)
;(gimp-drawable-fill greenmultiplylayer TRANSPARENT-FILL)
(gimp-image-add-layer img bluelayer -1)
;(gimp-image-add-layer img bluemultiplylayer -1)
;(gimp-drawable-fill bluemultiplylayer TRANSPARENT-FILL)
(gimp-image-add-layer img redlayer -1)
;(gimp-image-add-layer img redmultiplylayer -1)
;(gimp-drawable-fill redmultiplylayer TRANSPARENT-FILL)
(plug-in-colors-channel-mixer 1 img redlayer TRUE
red-R red-G red-B ;R
0 0 0 ;G
0 0 0 ;B
)
(plug-in-colors-channel-mixer 1 img greenlayer TRUE
green-R green-G green-B ;R
0 0 0 ;G
0 0 0 ;B
)
(plug-in-colors-channel-mixer 1 img bluelayer TRUE
blue-R blue-G blue-B ;R
0 0 0 ;G
0 0 0 ;B
)
;stretch contrast of filter layers
(if(= stretch TRUE)
(begin
(gimp-selection-all img)
(gimp-levels-stretch redlayer)
(gimp-levels-stretch greenlayer)
(gimp-levels-stretch bluelayer)
)
)
;colorize filter layers back
(gimp-selection-all img)
(gimp-context-set-foreground cyanfill)
(gimp-edit-bucket-fill redlayer FG-BUCKET-FILL SCREEN-MODE 100 0 FALSE 0 0)
(gimp-context-set-foreground magentafill)
(gimp-edit-bucket-fill greenlayer FG-BUCKET-FILL SCREEN-MODE 100 0 FALSE 0 0)
(gimp-context-set-foreground yellowfill)
(gimp-edit-bucket-fill bluelayer FG-BUCKET-FILL SCREEN-MODE 100 0 FALSE 0 0)
(gimp-layer-set-mode redlayer MULTIPLY-MODE)
(gimp-layer-set-mode greenlayer MULTIPLY-MODE)
(gimp-layer-set-mode bluelayer MULTIPLY-MODE)
; ;add multiply layers
; (gimp-selection-all img)
;
; (gimp-edit-copy redlayer)
; (set! floatingsel (car (gimp-edit-paste redmultiplylayer TRUE)))
; (gimp-floating-sel-anchor floatingsel)
;
; (gimp-edit-copy greenlayer)
; (set! floatingsel (car (gimp-edit-paste greenmultiplylayer TRUE)))
; (gimp-floating-sel-anchor floatingsel)
;
; (gimp-edit-copy bluelayer)
; (set! floatingsel (car (gimp-edit-paste bluemultiplylayer TRUE)))
; (gimp-floating-sel-anchor floatingsel)
;sharpness + contrast layer
(if(> sharpen 0)
(begin
(gimp-image-add-layer img sharpenlayer 0)
(gimp-desaturate-full sharpenlayer DESATURATE-LIGHTNESS)
(plug-in-unsharp-mask 1 img sharpenlayer 5 1 0)
(gimp-layer-set-mode sharpenlayer OVERLAY-MODE)
(gimp-layer-set-opacity sharpenlayer sharpen)
;(set! floatingsel (car (gimp-layer-create-mask sharpenlayer 5)))
;(gimp-layer-add-mask sharpenlayer floatingsel)
;(gimp-invert floatingsel)
)
)
;set extra color layer on top
(if(= extra 1)
(begin
(gimp-image-raise-layer-to-top img extralayer)
(gimp-layer-set-mode extralayer GRAIN-MERGE-MODE)
(gimp-drawable-set-visible extralayer TRUE)
)
)
;add 'retro' layer
(if(= retro TRUE)
(begin
(gimp-image-add-layer img purplelayer -1)
(gimp-drawable-fill purplelayer TRANSPARENT-FILL)
(gimp-context-set-foreground '(62 25 55))
(gimp-selection-all img)
(gimp-edit-bucket-fill purplelayer FG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
(gimp-selection-none img)
(gimp-layer-set-opacity purplelayer 80)
(gimp-layer-set-opacity redlayer 80)
(gimp-layer-set-opacity bluelayer 80)
(gimp-image-raise-layer-to-top img purplelayer)
)
)
; tidy up
(gimp-selection-none img)
(gimp-image-undo-group-end img)
(gimp-displays-flush)
(gimp-context-pop)
)
)
(script-fu-register "elsamuko-technicolor-3-color"
_"_Technicolor 3 Color"
"Simulating Technicolor Film.
Newest version can be downloaded from http://registry.gimp.org"
"elsamuko <elsamuko@web.de>"
"elsamuko"
"13/09/08"
"*"
SF-IMAGE "Input image" 0
SF-DRAWABLE "Input drawable" 0
SF-ADJUSTMENT _"Red Part of Red Filter" '(1.2 0 2 0.1 0.2 1 0)
;SF-ADJUSTMENT _"Red Multiply Opacity" '(0 0 100 1 5 1 0)
SF-ADJUSTMENT _"Green Part of Green Filter" '(1.2 0 2 0.1 0.2 1 0)
;SF-ADJUSTMENT _"Green Multiply Opacity" '(0 0 100 1 5 1 0)
SF-ADJUSTMENT _"Blue Part of Blue Filter" '(1.2 0 2 0.1 0.2 1 0)
;SF-ADJUSTMENT _"Blue Multiply Opacity" '(0 0 100 1 5 1 0)
SF-COLOR _"Recomposing Cyan" '(0 255 255)
SF-COLOR _"Recomposing Magenta" '(255 0 255)
SF-COLOR _"Recomposing Yellow" '(255 255 0)
SF-ADJUSTMENT _"Sharpen Opacity" '(60 0 100 1 5 1 0)
SF-TOGGLE _"Stretch Filters" FALSE
SF-TOGGLE _"Retro Colors" TRUE
SF-TOGGLE _"Extra Intensity" TRUE
)
(script-fu-menu-register "elsamuko-technicolor-3-color" _"<Image>/Colors")
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