1 files changed, 110 insertions, 0 deletions
diff --git a/plug-ins/script-fu/scripts/waves-anim.scm b/plug-ins/script-fu/scripts/waves-anim.scm
new file mode 100644
index 0000000..4e43d98
--- /dev/null
+++ b/plug-ins/script-fu/scripts/waves-anim.scm
@@ -0,0 +1,110 @@
+; 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")