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; GIMP - The GNU Image Manipulation Program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; 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/>.
;
;
; waves-anim.scm version 1.01 1997/12/13
;
; CHANGE-LOG:
; 1.00 - initial release
; 1.01 - some code cleanup, no real changes
;
; Copyright (C) 1997 Sven Neumann <sven@gimp.org>
;
;
; Makes a copy of your image and creates an animation of the active layer
; as if a stone was thrown into the image. The animation may be saved with
; the gif-plug-in.
(define (script-fu-waves-anim img
drawable
amplitude
wavelength
num-frames
invert)
(let* ((amplitude (max 0 amplitude))
(wavelength (max 0 wavelength))
(num-frames (max 1 num-frames))
(remaining-frames num-frames)
(phase 0)
(phaseshift (/ 360 num-frames))
(image (car (gimp-image-duplicate img)))
(source-layer (car (gimp-image-get-active-layer image))))
(gimp-image-undo-disable image)
(if (= invert TRUE)
(set! phaseshift (- 0 phaseshift)))
(while (> remaining-frames 1)
(let* (
(waves-layer (car (gimp-layer-copy source-layer TRUE)))
(layer-name (string-append "Frame "
(number->string
(- (+ num-frames 2)
remaining-frames) 10
)
" (replace)"))
)
(gimp-layer-set-lock-alpha waves-layer FALSE)
(gimp-image-insert-layer image waves-layer 0 -1)
(gimp-item-set-name waves-layer layer-name)
(plug-in-waves RUN-NONINTERACTIVE
image
waves-layer
amplitude
phase
wavelength
0
FALSE)
(set! remaining-frames (- remaining-frames 1))
(set! phase (- phase phaseshift))
)
)
(gimp-item-set-name source-layer "Frame 1")
(plug-in-waves RUN-NONINTERACTIVE
image
source-layer
amplitude
phase
wavelength
0
FALSE)
(gimp-image-undo-enable image)
(gimp-display-new image)
)
)
(script-fu-register "script-fu-waves-anim"
_"_Waves..."
_"Create a multi-layer image with an effect like a stone was thrown into the current image"
"Sven Neumann <sven@gimp.org>"
"Sven Neumann"
"1997/13/12"
"RGB* GRAY*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-ADJUSTMENT _"Amplitude" '(10 1 101 1 10 1 0)
SF-ADJUSTMENT _"Wavelength" '(10 0.1 100 1 10 1 0)
SF-ADJUSTMENT _"Number of frames" '(6 1 512 1 10 0 1)
SF-TOGGLE _"Invert direction" FALSE
)
(script-fu-menu-register "script-fu-waves-anim"
"<Image>/Filters/Animation/Animators")
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