; ; distress selection ; ; ; 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 2 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. ; Define the function: (define (script-fu-distress-selection inImage inLayer inThreshold inSpread inGranu inSmooth inSmoothH inSmoothV ) (set! theImage inImage) (set! theWidth (car (gimp-image-width inImage))) (set! theHeight (car (gimp-image-height inImage))) (gimp-image-undo-disable theImage) (set! theLayer (car (gimp-layer-new theImage theWidth theHeight RGBA_IMAGE "Distress Scratch Layer" 100 NORMAL ) ) ) (gimp-image-add-layer theImage theLayer 0) (if (= TRUE (car (gimp-selection-is-empty theImage))) () (gimp-edit-fill theLayer) ) (gimp-selection-invert theImage) (if (= TRUE (car (gimp-selection-is-empty theImage))) () (gimp-edit-clear theLayer) ) (gimp-selection-invert theImage) (gimp-selection-none inImage) (gimp-layer-scale theLayer (/ theWidth inGranu) (/ theHeight inGranu) TRUE ) (plug-in-spread TRUE theImage theLayer inSpread inSpread ) (plug-in-gauss-iir TRUE theImage theLayer inSmooth inSmoothH inSmoothV) ; (plug-in-gauss-iir TRUE theImage theLayer 2 TRUE TRUE) (gimp-layer-scale theLayer theWidth theHeight TRUE) (plug-in-threshold-alpha TRUE theImage theLayer inThreshold) (plug-in-gauss-iir TRUE theImage theLayer 1 TRUE TRUE) (gimp-selection-layer-alpha theLayer) (gimp-image-remove-layer theImage theLayer) ; (gimp-layer-delete theLayer) (gimp-image-undo-enable theImage) (gimp-displays-flush) ) ; Register the function with the GIMP: (script-fu-register "script-fu-distress-selection" "/Script-Fu/Selection/Distress Selection..." "foo" "Chris Gutteridge" "1998, Chris Gutteridge / ECS dept, University of Southampton, England." "23rd April 1998" "RGB RGBA" SF-IMAGE "The Image" 0 SF-DRAWABLE "The Layer" 0 SF-VALUE "Threshold (bigger 1<-->255 smaller)" "127" SF-VALUE "Spread" "8" SF-VALUE "Granularity (1 is low)" "4" SF-VALUE "Smooth" "2" SF-TOGGLE "Smooth Horizontally?" TRUE SF-TOGGLE "Smooth Vertically?" TRUE )