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Diffstat (limited to 'plug-ins/script-fu/scripts/predator.scm')
-rw-r--r-- | plug-ins/script-fu/scripts/predator.scm | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/plug-ins/script-fu/scripts/predator.scm b/plug-ins/script-fu/scripts/predator.scm new file mode 100644 index 0000000..cd1ab14 --- /dev/null +++ b/plug-ins/script-fu/scripts/predator.scm @@ -0,0 +1,137 @@ +; GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>. + + +(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 0) + (from-selection 0) + (selection-bounds 0) + (select-offset-x 0) + (select-offset-y 0) + (select-width 0) + (select-height 0) + (effect-layer 0) + (active-layer 0) + ) + + (gimp-context-push) + (gimp-context-set-defaults) + (gimp-image-undo-group-start image) + (gimp-layer-add-alpha drawable) + + (if (= (car (gimp-selection-is-empty image)) TRUE) + (begin + (gimp-image-select-item image CHANNEL-OP-REPLACE 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 + LAYER-MODE-NORMAL)) + ) + + (gimp-layer-set-offsets effect-layer select-offset-x select-offset-y) + (gimp-image-insert-layer image effect-layer 0 -1) + (gimp-selection-none image) + (gimp-drawable-edit-clear effect-layer) + + (gimp-image-select-item image CHANNEL-OP-REPLACE 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 RUN-NONINTERACTIVE image active-layer pixel-size) + ) + (plug-in-max-rgb RUN-NONINTERACTIVE image active-layer 0) + (plug-in-edge RUN-NONINTERACTIVE image active-layer edge-amount 1 0) + + ; clean up the selection copy + (gimp-image-select-item image CHANNEL-OP-REPLACE 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) + (gimp-context-pop) + ) +) + +(script-fu-register "script-fu-predator" + _"_Predator..." + _"Add a 'Predator' effect to the selected region (or alpha)" + "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>/Filters/Artistic") |