72 lines
2.7 KiB
Scheme
72 lines
2.7 KiB
Scheme
;
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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 2 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, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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(define (script-fu-coffee-stain inImage inLayer inNumber inDark)
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(set! old-gradient (car (gimp-gradients-get-active)))
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(set! theImage inImage)
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(set! theHeight (car (gimp-image-height theImage)))
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(set! theWidth (car (gimp-image-width theImage)))
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(set! theNumber inNumber)
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(set! theSize (min theWidth theHeight) )
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(while (> theNumber 0)
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(set! theNumber (- theNumber 1))
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(set! theStain (car (gimp-layer-new theImage theSize theSize RGBA_IMAGE "Stain" 100
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(if (= inDark TRUE) DARKEN-ONLY NORMAL) )))
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(gimp-image-add-layer theImage theStain 0)
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(gimp-selection-all theImage)
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(gimp-edit-clear theStain)
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(let ((blobSize (/ (rand (- theSize 40)) (+ (rand 3) 1) ) ) )
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(gimp-ellipse-select theImage
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(/ (- theSize blobSize) 2)
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(/ (- theSize blobSize) 2)
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blobSize blobSize REPLACE TRUE 0 FALSE)
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)
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(script-fu-distress-selection theImage theStain (* (+ (rand 15) 1) (+ (rand 15) 1)) (/ theSize 25) 4 2 TRUE TRUE )
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(gimp-gradients-set-active "Coffee")
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(gimp-blend theStain CUSTOM NORMAL SHAPEBURST-DIMPLED 100 0 REPEAT-NONE FALSE 0 0 0 0 0 0)
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(gimp-layer-set-offsets theStain (- (rand theWidth) (/ theSize 2)) (- (rand theHeight) (/ theSize 2)) theSize)
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)
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(gimp-selection-none theImage)
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(gimp-gradients-set-active old-gradient)
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(gimp-displays-flush)
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)
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; Register the function with the GIMP:
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(script-fu-register
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"script-fu-coffee-stain"
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_"<Image>/Script-Fu/Decor/Coffee Stain..."
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"Draws realistic looking coffee stains"
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"Chris Gutteridge"
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"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
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"25th April 1998"
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"RGB*"
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SF-IMAGE "The Image" 0
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SF-DRAWABLE "The Layer" 0
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SF-ADJUSTMENT _"Stains" '(3 1 10 1 1 0 0)
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SF-TOGGLE _"Darken Only\n(Better, but only for Images with alot of White)" TRUE
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)
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