mirror of https://github.com/GNOME/gimp.git
100 lines
3.0 KiB
Scheme
100 lines
3.0 KiB
Scheme
; The GIMP -- an 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 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.
|
|
;
|
|
;
|
|
; waves-anim.scm version 1.01 12/13/97
|
|
;
|
|
; CHANGE-LOG:
|
|
; 1.00 - initial release
|
|
; 1.01 - some code cleanup, no real changes
|
|
;
|
|
; Copyright (C) 1997 Sven Neumann (neumanns@uni-duesseldorf.de)
|
|
;
|
|
;
|
|
; 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-channel-ops-duplicate img)))
|
|
(source-layer (car (gimp-image-get-active-layer image))))
|
|
|
|
(gimp-image-disable-undo 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))))
|
|
(gimp-layer-set-preserve-trans waves-layer FALSE)
|
|
(gimp-image-add-layer image waves-layer -1)
|
|
(gimp-layer-set-name waves-layer layer-name)
|
|
|
|
(plug-in-waves 1
|
|
image
|
|
waves-layer
|
|
amplitude
|
|
phase
|
|
wavelength
|
|
0
|
|
FALSE)
|
|
|
|
(set! remaining-frames (- remaining-frames 1))
|
|
(set! phase (- phase phaseshift))))
|
|
|
|
(gimp-layer-set-name source-layer "Frame 1")
|
|
(plug-in-waves 1
|
|
image
|
|
source-layer
|
|
amplitude
|
|
phase
|
|
wavelength
|
|
0
|
|
FALSE)
|
|
|
|
(gimp-image-enable-undo image)
|
|
(gimp-display-new image)))
|
|
|
|
(script-fu-register "script-fu-waves-anim"
|
|
"<Image>/Script-Fu/Animators/Waves"
|
|
"Animate an image like a stone's been thrown into it"
|
|
"Sven Neumann (neumanns@uni-duesseldorf.de)"
|
|
"Sven Neumann"
|
|
"12/13/1997"
|
|
"RGB RGBA GRAY GRAYA"
|
|
SF-IMAGE "Image" 0
|
|
SF-DRAWABLE "Drawable" 0
|
|
SF-ADJUSTMENT "Amplitude" '(10 1 101 1 10 1 0)
|
|
SF-ADJUSTMENT "Wavelength" '(10 .10 100 1 10 1 0)
|
|
SF-ADJUSTMENT "Number of Frames" '(6 1 512 1 10 0 1)
|
|
SF-TOGGLE "Invert direction?" FALSE)
|