378a6d3d6a
2003-06-05 Michael Natterer <mitch@gimp.org> * plug-ins/script-fu/scripts/predator.scm (script-fu-predator): moved gimp-undo-push-group-end to the end of the script. Fixes bug #114416.
112 lines
3.8 KiB
Scheme
112 lines
3.8 KiB
Scheme
; The GIMP -- an image manipulation program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; Predator effect
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; Copyright (c) 1997 Adrian Likins
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; aklikins@eos.ncsu.ed
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;
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; The idea here is too make the image/selection look sort of like
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; the view the predator had in the movies. ie, kind of a thermogram
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; type of thing. Works best on colorful rgb images.
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;
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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-predator image
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drawable
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edge-amount
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pixelize
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pixel-size
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keep-selection
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separate-layer)
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(let* (
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(type (car (gimp-drawable-type-with-alpha drawable)))
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(image-width (car (gimp-image-width image)))
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(image-height (car (gimp-image-height image))))
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(gimp-undo-push-group-start image)
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(gimp-layer-add-alpha drawable)
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(if (= (car (gimp-selection-is-empty image)) TRUE)
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(begin
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(gimp-selection-layer-alpha drawable)
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(set! active-selection (car (gimp-selection-save image)))
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(set! from-selection FALSE))
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(begin
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(set! from-selection TRUE)
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(set! active-selection (car (gimp-selection-save image)))))
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(set! selection-bounds (gimp-selection-bounds image))
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(set! select-offset-x (cadr selection-bounds))
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(set! select-offset-y (caddr selection-bounds))
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(set! select-width (- (cadr (cddr selection-bounds)) select-offset-x))
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(set! select-height (- (caddr (cddr selection-bounds)) select-offset-y))
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(if (= separate-layer TRUE)
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(begin
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(set! effect-layer (car (gimp-layer-new image
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select-width
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select-height
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type
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"glow layer"
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100
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NORMAL)))
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(gimp-layer-set-offsets effect-layer select-offset-x select-offset-y)
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(gimp-image-add-layer image effect-layer -1)
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(gimp-selection-none image)
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(gimp-edit-clear effect-layer)
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(gimp-selection-load active-selection)
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(gimp-edit-copy drawable)
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(let ((floating-sel (car (gimp-edit-paste effect-layer FALSE))))
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(gimp-floating-sel-anchor floating-sel)
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)
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(gimp-image-set-active-layer image effect-layer )))
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(set! active-layer (car (gimp-image-get-active-layer image)))
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; all the fun stuff goes here
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(if (= pixelize TRUE)
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(plug-in-pixelize 1 image active-layer pixel-size))
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(plug-in-max-rgb 1 image active-layer 0)
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(plug-in-edge 1 image active-layer edge-amount 1)
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; clean up the selection copy
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(gimp-selection-load active-selection)
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(if (= keep-selection FALSE)
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(gimp-selection-none image))
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(gimp-image-set-active-layer image drawable)
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(gimp-image-remove-channel image active-selection)
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(gimp-undo-push-group-end image)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-predator"
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_"<Image>/Script-Fu/Alchemy/Predator..."
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"Looks like images from the movie Predator"
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"Adrian Likins <adrian@gimp.org>"
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"Adrian Likins"
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"10/12/97"
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"RGB*"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-ADJUSTMENT _"Edge Amount" '(2 0 24 1 1 0 0)
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SF-TOGGLE _"Pixelize" TRUE
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SF-ADJUSTMENT _"Pixel Amount" '(3 1 16 1 1 0 0)
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SF-TOGGLE _"Keep Selection" TRUE
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SF-TOGGLE _"Separate Layer" TRUE)
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