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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 - Simulate a high quality photo like these from the National Geographic
; Thanks to Martin Egger <martin.egger@gmx.net> for the shadow revovery and the sharpen script
;
(define (elsamuko-national-geographic aimg adraw shadowopacity
sharpness screenopacity
overlayopacity localcontrast
screenmask tint)
(let* ((img (car (gimp-drawable-get-image adraw)))
(owidth (car (gimp-image-width img)))
(oheight (car (gimp-image-height img)))
(overlaylayer 0)
(overlaylayer2 0)
(screenlayer 0)
(contrastlayer 0)
(tmplayer1 0)
(tmplayer2 0)
(floatingsel 0)
(CopyLayer (car (gimp-layer-copy adraw TRUE)))
(ShadowLayer (car (gimp-layer-copy adraw TRUE)))
(MaskImage (car (gimp-image-duplicate aimg)))
(MaskLayer (cadr (gimp-image-get-layers MaskImage)))
(OrigLayer (cadr (gimp-image-get-layers aimg)))
(HSVImage (car (plug-in-decompose TRUE aimg adraw "Value" TRUE)))
(HSVLayer (cadr (gimp-image-get-layers HSVImage)))
(SharpenLayer (car (gimp-layer-copy adraw TRUE)))
)
;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))
;shadow recovery from here: http://registry.gimp.org/node/112
(if(> shadowopacity 0)
(begin
(gimp-image-add-layer img CopyLayer -1)
(gimp-layer-set-mode CopyLayer ADDITION-MODE)
(gimp-layer-set-opacity CopyLayer shadowopacity)
(gimp-image-add-layer img ShadowLayer -1)
(gimp-desaturate ShadowLayer)
(gimp-invert ShadowLayer)
(let* ((CopyMask (car (gimp-layer-create-mask CopyLayer ADD-WHITE-MASK)))
(ShadowMask (car (gimp-layer-create-mask ShadowLayer ADD-WHITE-MASK)))
)
(gimp-layer-add-mask CopyLayer CopyMask)
(gimp-layer-add-mask ShadowLayer ShadowMask)
(gimp-selection-all img)
(gimp-edit-copy ShadowLayer)
(gimp-floating-sel-anchor (car (gimp-edit-paste CopyMask TRUE)))
(gimp-floating-sel-anchor (car (gimp-edit-paste ShadowMask TRUE)))
)
(gimp-layer-set-mode ShadowLayer OVERLAY-MODE)
(gimp-layer-set-opacity ShadowLayer shadowopacity)
(gimp-image-remove-layer img CopyLayer)
(gimp-drawable-set-name ShadowLayer "Shadow Recovery")
)
)
;smart sharpen from here: http://registry.gimp.org/node/108
(if(> sharpness 0)
(begin
(gimp-image-add-layer img SharpenLayer -1)
(gimp-selection-all HSVImage)
(gimp-edit-copy (aref HSVLayer 0))
(gimp-image-delete HSVImage)
(gimp-floating-sel-anchor (car (gimp-edit-paste SharpenLayer FALSE)))
(gimp-layer-set-mode SharpenLayer VALUE-MODE)
(plug-in-edge TRUE MaskImage (aref MaskLayer 0) 6 1 0)
(gimp-levels-stretch (aref MaskLayer 0))
(gimp-image-convert-grayscale MaskImage)
(plug-in-gauss TRUE MaskImage (aref MaskLayer 0) 6 6 TRUE)
(let* ((SharpenChannel (car (gimp-layer-create-mask SharpenLayer ADD-WHITE-MASK)))
)
(gimp-layer-add-mask SharpenLayer SharpenChannel)
(gimp-selection-all MaskImage)
(gimp-edit-copy (aref MaskLayer 0))
(gimp-floating-sel-anchor (car (gimp-edit-paste SharpenChannel FALSE)))
(gimp-image-delete MaskImage)
(plug-in-unsharp-mask TRUE img SharpenLayer 1 sharpness 0)
(gimp-layer-set-opacity SharpenLayer 80)
(gimp-layer-set-edit-mask SharpenLayer FALSE)
)
(gimp-drawable-set-name SharpenLayer "Sharpen")
)
)
;enhance local contrast
(if(> localcontrast 0)
(begin
(gimp-edit-copy-visible img)
(set! tmplayer1 (car (gimp-layer-new-from-visible img img "Temp 1")))
(set! tmplayer2 (car (gimp-layer-new-from-visible img img "Temp 2")))
(gimp-image-add-layer img tmplayer1 -1)
(gimp-image-add-layer img tmplayer2 -1)
(plug-in-unsharp-mask 1 img tmplayer1 60 localcontrast 0)
(gimp-layer-set-mode tmplayer2 GRAIN-EXTRACT-MODE)
(gimp-edit-copy-visible img)
(set! contrastlayer (car (gimp-layer-new-from-visible img img "Local Contrast")))
(gimp-image-add-layer img contrastlayer -1)
(gimp-layer-set-mode contrastlayer GRAIN-MERGE-MODE)
(gimp-image-remove-layer img tmplayer1)
(gimp-image-remove-layer img tmplayer2)
)
)
;copy visible three times
(gimp-edit-copy-visible img)
(set! overlaylayer (car (gimp-layer-new-from-visible img img "Overlay")))
(set! overlaylayer2 (car (gimp-layer-new-from-visible img img "Overlay2")))
(set! screenlayer (car (gimp-layer-new-from-visible img img "Screen")))
;add screen- and overlay- layers
(gimp-image-add-layer img screenlayer -1)
(gimp-image-add-layer img overlaylayer -1)
(gimp-image-add-layer img overlaylayer2 -1)
;desaturate layers
(gimp-desaturate screenlayer)
(gimp-desaturate overlaylayer)
(gimp-desaturate overlaylayer2)
;set modes
(gimp-layer-set-mode screenlayer SCREEN-MODE)
(gimp-layer-set-mode overlaylayer OVERLAY-MODE)
(gimp-layer-set-mode overlaylayer2 OVERLAY-MODE)
(gimp-layer-set-opacity screenlayer screenopacity)
(gimp-layer-set-opacity overlaylayer overlayopacity)
(gimp-layer-set-opacity overlaylayer2 overlayopacity)
;layermask for the screen layer
(if(= screenmask TRUE)
(begin
(set! floatingsel (car (gimp-layer-create-mask screenlayer 5)))
(gimp-layer-add-mask screenlayer floatingsel)
(gimp-invert floatingsel)
)
)
;overlay tint
;red
(if(= tint 1)
(begin
(gimp-colorize screenlayer 0 25 0)
(gimp-colorize overlaylayer 0 25 0)
(gimp-colorize overlaylayer2 0 25 0)
)
)
;blue
(if(= tint 2)
(begin
(gimp-colorize screenlayer 225 25 0)
(gimp-colorize overlaylayer 225 25 0)
(gimp-colorize overlaylayer2 225 25 0)
)
)
; tidy up
(gimp-image-undo-group-end img)
(gimp-displays-flush)
(gimp-context-pop)
)
)
(script-fu-register "elsamuko-national-geographic"
_"_National Geographic"
"Simulating high quality photos.
Latest version can be downloaded from http://registry.gimp.org/node/9592"
"elsamuko <elsamuko@web.de>"
"elsamuko"
"22/09/08"
"*"
SF-IMAGE "Input image" 0
SF-DRAWABLE "Input drawable" 0
SF-ADJUSTMENT _"Shadow Recover Opacity" '(60 0 100 1 5 0 0)
SF-ADJUSTMENT _"Sharpness" '(0.5 0 2 0.1 1 1 0)
SF-ADJUSTMENT _"Screen Layer Opacity" '(50 0 100 1 5 0 0)
SF-ADJUSTMENT _"Overlay Layer Opacity" '(50 0 100 1 5 0 0)
SF-ADJUSTMENT _"Local Contrast" '(0.4 0 2 0.1 1 1 0)
SF-TOGGLE _"Layer Mask for the Screen Layer" TRUE
SF-OPTION _"Overlay Tint" '("Neutral"
"Red"
"Blue")
)
(script-fu-menu-register "elsamuko-national-geographic" _"<Image>/Filters/Generic")
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2. Nun gibst Du der ersten Kopie eine Ebenenmaske, kopierst die zweite Kopie und fügst sie in die Ebenenmaske der ersten Kopie ein. (ich weiß nicht wie das geht)
13. Die untere auf Modus "Bildschirm" setzen bei ca. 60% Deckkraft (das gleiche problem wie bei "nr. 9")
looser
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