e125c30cfd
The libgimp wrapper was just calling the PDB procedure. Get rid of the wrapper and make the PDB proc public. Also reorder the name argument to be in the second place, just like it was for the wrapper.
128 lines
4.6 KiB
Scheme
128 lines
4.6 KiB
Scheme
;
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; distress selection
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;
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;
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; Chris Gutteridge (cjg@ecs.soton.ac.uk)
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; At ECS Dept, University of Southampton, England.
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <https://www.gnu.org/licenses/>.
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; Define the function:
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(define (script-fu-distress-selection inImage
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inDrawables
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inThreshold
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inSpread
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inGranu
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inSmooth
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inSmoothH
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inSmoothV)
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(let (
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(theImage inImage)
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(inDrawable (vector-ref inDrawables 0))
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(theWidth (car (gimp-image-get-width inImage)))
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(theHeight (car (gimp-image-get-height inImage)))
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(theLayer 0)
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(theMode (car (gimp-image-get-base-type inImage)))
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(prevLayers (car (gimp-image-get-selected-layers inImage)))
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(horizontalRadius (* 0.32 inSmooth))
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(verticalRadius (* 0.32 inSmooth))
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)
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(if (= inSmoothH FALSE)
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(set! horizontalRadius 0)
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)
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(if (= inSmoothV FALSE)
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(set! verticalRadius 0)
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)
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(gimp-context-push)
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(gimp-context-set-defaults)
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(gimp-image-undo-group-start theImage)
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(if (= theMode GRAY)
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(set! theMode GRAYA-IMAGE)
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(set! theMode RGBA-IMAGE)
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)
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(set! theLayer (car (gimp-layer-new theImage
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"Distress Scratch Layer"
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theWidth
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theHeight
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theMode
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100
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LAYER-MODE-NORMAL)))
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(gimp-image-insert-layer theImage theLayer 0 0)
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(if (= FALSE (car (gimp-selection-is-empty theImage)))
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(gimp-drawable-edit-fill theLayer FILL-BACKGROUND)
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)
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(gimp-selection-invert theImage)
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(if (= FALSE (car (gimp-selection-is-empty theImage)))
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(gimp-drawable-edit-clear theLayer)
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)
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(gimp-selection-invert theImage)
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(gimp-selection-none inImage)
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(gimp-layer-scale theLayer
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(/ theWidth inGranu)
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(/ theHeight inGranu)
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TRUE)
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(gimp-drawable-merge-new-filter theLayer "gegl:noise-spread" 0 LAYER-MODE-REPLACE 1.0 "amount-x" inSpread "amount-y" inSpread "seed" (msrg-rand))
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(gimp-drawable-merge-new-filter theLayer "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0
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"std-dev-x" horizontalRadius "std-dev-y" verticalRadius "filter" "auto")
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(gimp-layer-scale theLayer theWidth theHeight TRUE)
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(gimp-drawable-merge-new-filter theLayer "gimp:threshold-alpha" 0 LAYER-MODE-REPLACE 1.0 "value" inThreshold)
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(gimp-drawable-merge-new-filter theLayer "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0
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"std-dev-x" 0.32 "std-dev-y" 0.32 "filter" "auto")
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(gimp-image-select-item inImage CHANNEL-OP-REPLACE theLayer)
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(gimp-image-remove-layer theImage theLayer)
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(if (and (= (car (gimp-item-id-is-channel inDrawable)) TRUE)
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(= (car (gimp-item-id-is-layer-mask inDrawable)) FALSE))
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(gimp-image-set-selected-channels theImage (make-vector 1 inDrawable))
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)
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(gimp-image-undo-group-end theImage)
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(gimp-image-set-selected-layers theImage prevLayers)
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(gimp-displays-flush)
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(gimp-context-pop)
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)
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)
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(script-fu-register-filter "script-fu-distress-selection"
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_"_Distort..."
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_"Distress the selection"
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"Chris Gutteridge"
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"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
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"23rd April 1998"
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"RGB*,GRAY*"
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SF-ONE-OR-MORE-DRAWABLE
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SF-ADJUSTMENT _"_Threshold" '(0.5 0 1 0.1 0.2 1 0)
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SF-ADJUSTMENT _"_Spread" '(8 0 512 1 10 0 1)
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SF-ADJUSTMENT _"_Granularity (1 is low)" '(4 1 25 1 10 0 1)
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SF-ADJUSTMENT _"S_mooth" '(2 1 150 1 10 0 1)
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SF-TOGGLE _"Smooth hor_izontally" TRUE
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SF-TOGGLE _"Smooth _vertically" TRUE
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)
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(script-fu-menu-register "script-fu-distress-selection"
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"<Image>/Select/[Modify]")
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