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|
;
; fuzzy-border
;
; Do a cool fade to a given color at the border of an image (optional shadow)
; Will make image RGB if it isn't already.
;
; Chris Gutteridge (cjg@ecs.soton.ac.uk)
; At ECS Dept, University of Southampton, England.
; 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 <https://www.gnu.org/licenses/>.
; Define the function:
(define (script-fu-fuzzy-border inImage
inLayers
inColor
inSize
inBlur
inGranu
inShadow
inShadWeight
inCopy
inFlatten
)
(define (chris-color-edge inImage inLayer inColor inSize)
(gimp-selection-all inImage)
(gimp-selection-shrink inImage inSize)
(gimp-selection-invert inImage)
(gimp-context-set-background inColor)
(gimp-drawable-edit-fill inLayer FILL-BACKGROUND)
(gimp-selection-none inImage)
)
(let (
(theWidth (car (gimp-image-get-width inImage)))
(theHeight (car (gimp-image-get-height inImage)))
(theImage (if (= inCopy TRUE) (car (gimp-image-duplicate inImage))
inImage))
(inLayer (vector-ref inLayers 0))
(theLayer 0)
)
(gimp-context-push)
(gimp-context-set-defaults)
(if (= inCopy TRUE)
(gimp-image-undo-disable theImage)
(gimp-image-undo-group-start theImage)
)
(gimp-selection-all theImage)
(if (> (car (gimp-drawable-type inLayer)) 1)
(gimp-image-convert-rgb theImage)
)
(set! theLayer (car (gimp-layer-new theImage
"layer 1"
theWidth
theHeight
RGBA-IMAGE
100
LAYER-MODE-NORMAL)))
(gimp-image-insert-layer theImage theLayer 0 0)
(gimp-drawable-edit-clear theLayer)
(chris-color-edge theImage theLayer inColor inSize)
(gimp-layer-scale theLayer
(/ theWidth inGranu)
(/ theHeight inGranu)
TRUE)
(gimp-drawable-merge-new-filter theLayer "gegl:noise-spread" 0 LAYER-MODE-REPLACE 1.0 "amount-x" (/ inSize inGranu) "amount-y" (/ inSize inGranu) "seed" (msrg-rand))
(chris-color-edge theImage theLayer inColor 1)
(gimp-layer-scale theLayer theWidth theHeight TRUE)
(gimp-image-select-item theImage CHANNEL-OP-REPLACE theLayer)
(gimp-selection-invert theImage)
(gimp-drawable-edit-clear theLayer)
(gimp-selection-invert theImage)
(gimp-drawable-edit-clear theLayer)
(gimp-context-set-background inColor)
(gimp-drawable-edit-fill theLayer FILL-BACKGROUND)
(gimp-selection-none theImage)
(chris-color-edge theImage theLayer inColor 1)
(if (= inBlur TRUE)
(gimp-drawable-merge-new-filter theLayer "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" (* 0.32 inSize) "std-dev-y" (* 0.32 inSize) "filter" "auto")
)
(if (= inShadow TRUE)
(begin
(gimp-image-insert-layer theImage
(car (gimp-layer-copy theLayer)) 0 -1)
(gimp-layer-scale theLayer
(- theWidth inSize) (- theHeight inSize) TRUE)
(gimp-drawable-desaturate theLayer DESATURATE-LIGHTNESS)
(gimp-drawable-brightness-contrast theLayer 0.5 0.5)
(gimp-drawable-invert theLayer FALSE)
(gimp-layer-resize theLayer
theWidth
theHeight
(/ inSize 2)
(/ inSize 2))
(gimp-drawable-merge-new-filter theLayer "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" (* 0.32 (/ inSize 2)) "std-dev-y" (* 0.32 (/ inSize 2)) "filter" "auto")
(gimp-layer-set-opacity theLayer inShadWeight)
)
)
(if (= inFlatten TRUE)
(gimp-image-flatten theImage)
)
(if (= inCopy TRUE)
(begin (gimp-image-clean-all theImage)
(gimp-display-new theImage)
(gimp-image-undo-enable theImage)
)
(gimp-image-undo-group-end theImage)
)
(gimp-displays-flush)
(gimp-context-pop)
)
)
(script-fu-register-filter "script-fu-fuzzy-border"
_"_Fuzzy Border..."
_"Add a jagged, fuzzy border to an image"
"Chris Gutteridge"
"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
"3rd April 1998"
"RGB* GRAY*"
SF-ONE-OR-MORE-DRAWABLE
SF-COLOR _"Color" "white"
SF-ADJUSTMENT _"Border size" '(16 1 300 1 10 0 1)
SF-TOGGLE _"Blur border" TRUE
SF-ADJUSTMENT _"Granularity (1 is Low)" '(4 1 16 0.25 5 2 0)
SF-TOGGLE _"Add shadow" FALSE
SF-ADJUSTMENT _"Shadow weight (%)" '(100 0 100 1 10 0 0)
SF-TOGGLE _"Work on copy" TRUE
SF-TOGGLE _"Flatten image" TRUE
)
(script-fu-menu-register "script-fu-fuzzy-border"
"<Image>/Filters/Decor")
|
