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GIMP Script-Fu Script | 2005-06-30 | 4.0 KB | 126 lines |
- ; The GIMP -- an image manipulation program
- ; Copyright (C) 1995 Spencer Kimball and Peter Mattis
- ;
- ; Predator effect
- ; Copyright (c) 1997 Adrian Likins
- ; aklikins@eos.ncsu.ed
- ;
- ; The idea here is too make the image/selection look sort of like
- ; the view the predator had in the movies. ie, kind of a thermogram
- ; type of thing. Works best on colorful rgb images.
- ;
- ; 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 (script-fu-predator image
- drawable
- edge-amount
- pixelize
- pixel-size
- keep-selection
- separate-layer)
- (let* (
- (type (car (gimp-drawable-type-with-alpha drawable)))
- (image-width (car (gimp-image-width image)))
- (image-height (car (gimp-image-height image)))
- (active-selection)
- (from-selection)
- (selection-bounds)
- (select-offset-x)
- (select-offset-y)
- (select-width)
- (select-height)
- (effect-layer)
- (active-layer))
-
- (gimp-image-undo-group-start image)
- (gimp-layer-add-alpha drawable)
-
- (if (= (car (gimp-selection-is-empty image)) TRUE)
- (begin
- (gimp-selection-layer-alpha drawable)
- (set! active-selection (car (gimp-selection-save image)))
- (set! from-selection FALSE))
- (begin
-
- (set! from-selection TRUE)
- (set! active-selection (car (gimp-selection-save image)))))
-
- (set! selection-bounds (gimp-selection-bounds image))
- (set! select-offset-x (cadr selection-bounds))
- (set! select-offset-y (caddr selection-bounds))
- (set! select-width (- (cadr (cddr selection-bounds)) select-offset-x))
- (set! select-height (- (caddr (cddr selection-bounds)) select-offset-y))
-
- (if (= separate-layer TRUE)
- (begin
- (set! effect-layer (car (gimp-layer-new image
- select-width
- select-height
- type
- "glow layer"
- 100
- NORMAL-MODE)))
-
- (gimp-layer-set-offsets effect-layer select-offset-x select-offset-y)
- (gimp-image-add-layer image effect-layer -1)
- (gimp-selection-none image)
- (gimp-edit-clear effect-layer)
-
- (gimp-selection-load active-selection)
- (gimp-edit-copy drawable)
- (let ((floating-sel (car (gimp-edit-paste effect-layer FALSE))))
- (gimp-floating-sel-anchor floating-sel)
- )
- (gimp-image-set-active-layer image effect-layer ))
- (set! effect-layer drawable)
- )
- (set! active-layer effect-layer)
-
- ; all the fun stuff goes here
- (if (= pixelize TRUE)
- (plug-in-pixelize 1 image active-layer pixel-size))
- (plug-in-max-rgb 1 image active-layer 0)
- (plug-in-edge 1 image active-layer edge-amount 1 0)
-
- ; clean up the selection copy
- (gimp-selection-load active-selection)
-
- (if (= keep-selection FALSE)
- (gimp-selection-none image))
-
- (gimp-image-set-active-layer image drawable)
- (gimp-image-remove-channel image active-selection)
- (gimp-image-undo-group-end image)
- (gimp-displays-flush)))
-
- (script-fu-register "script-fu-predator"
- _"_Predator..."
- "Looks like images from the movie Predator"
- "Adrian Likins <adrian@gimp.org>"
- "Adrian Likins"
- "10/12/97"
- "RGB*"
- SF-IMAGE "Image" 0
- SF-DRAWABLE "Drawable" 0
- SF-ADJUSTMENT _"Edge amount" '(2 0 24 1 1 0 0)
- SF-TOGGLE _"Pixelize" TRUE
- SF-ADJUSTMENT _"Pixel amount" '(3 1 16 1 1 0 0)
- SF-TOGGLE _"Keep selection" TRUE
- SF-TOGGLE _"Separate layer" TRUE)
-
- (script-fu-menu-register "script-fu-predator"
- _"<Image>/Script-Fu/Alchemy")
-