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GIMP Script-Fu Script | 1999-07-21 | 2.9 KB | 125 lines |
- ; 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-VALUE "Amplitude" "10"
- SF-VALUE "Wavelength" "10"
- SF-VALUE "Number of Frames" "6"
- SF-TOGGLE "Invert direction" FALSE)
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