41237259c9
2006-12-09 Sven Neumann <sven@gimp.org> * In all files, changed the standard copyright notice to say "GIMP - The GNU Image Manipulation Program".
136 lines
4.6 KiB
Scheme
136 lines
4.6 KiB
Scheme
; GIMP - The GNU 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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(active-selection)
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(from-selection)
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(selection-bounds)
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(select-offset-x)
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(select-offset-y)
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(select-width)
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(select-height)
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(effect-layer)
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(active-layer)
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)
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(gimp-image-undo-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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)
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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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)
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)
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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-MODE))
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)
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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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)
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(set! effect-layer drawable)
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)
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(set! active-layer effect-layer)
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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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)
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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 0)
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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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)
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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-image-undo-group-end image)
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(gimp-displays-flush)
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)
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)
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(script-fu-register "script-fu-predator"
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_"_Predator..."
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_"Add a 'Predator' effect to the selected region (or alpha)"
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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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)
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(script-fu-menu-register "script-fu-predator"
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"<Image>/Filters/Artistic")
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