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+;
+; anim_sphere
+;
+;
+; Chris Gutteridge (cjg@ecs.soton.ac.uk)
+; At ECS Dept, University of Southampton, England.
+; 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 the function:
+
+(define (script-fu-spinning-globe inImage
+ inLayer
+ inFrames
+ inFromLeft
+ inTransparent
+ inIndex
+ inCopy)
+ (let* (
+ (theImage (if (= inCopy TRUE)
+ (car (gimp-image-duplicate inImage))
+ inImage))
+ (theLayer (car (gimp-image-get-active-layer theImage)))
+ (n 0)
+ (ang (* (/ 360 inFrames)
+ (if (= inFromLeft TRUE) 1 -1) ))
+ (theFrame 0)
+ )
+
+ (gimp-layer-add-alpha theLayer)
+
+ (while (> inFrames n)
+ (set! n (+ n 1))
+ (set! theFrame (car (gimp-layer-copy theLayer FALSE)))
+ (gimp-image-insert-layer theImage theFrame 0 0)
+ (gimp-item-set-name theFrame
+ (string-append "Anim Frame: "
+ (number->string (- inFrames n) 10)
+ " (replace)"))
+ (plug-in-map-object RUN-NONINTERACTIVE
+ theImage theFrame ; mapping
+ 1 ; viewpoint
+ 0.5 0.5 2.0 ; object pos
+ 0.5 0.5 0.0 ; first axis
+ 1.0 0.0 0.0 ; 2nd axis
+ 0.0 1.0 0.0 ; axis rotation
+ 0.0 (* n ang) 0.0 ; light (type, color)
+ 0 '(255 255 255) ; light position
+ -0.5 -0.5 2.0 ; light direction
+ -1.0 -1.0 1.0 ; material (amb, diff, refl, spec, high)
+ 0.3 1.0 0.5 0.0 27.0 ; antialias
+ TRUE ; tile
+ FALSE ; new image
+ FALSE ; transparency
+ inTransparent ; radius
+ 0.25 ; unused parameters
+ 1.0 1.0 1.0 1.0
+ -1 -1 -1 -1 -1 -1 -1 -1
+ )
+ )
+
+ (gimp-image-remove-layer theImage theLayer)
+ (plug-in-autocrop RUN-NONINTERACTIVE theImage theFrame)
+
+ (if (= inIndex 0)
+ ()
+ (gimp-image-convert-indexed theImage CONVERT-DITHER-FS CONVERT-PALETTE-GENERATE inIndex
+ FALSE FALSE ""))
+
+ (if (= inCopy TRUE)
+ (begin
+ (gimp-image-clean-all theImage)
+ (gimp-display-new theImage)
+ )
+ )
+
+ (gimp-displays-flush)
+ )
+)
+
+(script-fu-register
+ "script-fu-spinning-globe"
+ _"_Spinning Globe..."
+ _"Create an animation by mapping the current image onto a spinning sphere"
+ "Chris Gutteridge"
+ "1998, Chris Gutteridge / ECS dept, University of Southampton, England."
+ "16th April 1998"
+ "RGB* GRAY*"
+ SF-IMAGE "The Image" 0
+ SF-DRAWABLE "The Layer" 0
+ SF-ADJUSTMENT _"Frames" '(10 1 360 1 10 0 1)
+ SF-TOGGLE _"Turn from left to right" FALSE
+ SF-TOGGLE _"Transparent background" TRUE
+ SF-ADJUSTMENT _"Index to n colors (0 = remain RGB)" '(63 0 256 1 10 0 1)
+ SF-TOGGLE _"Work on copy" TRUE
+)
+
+(script-fu-menu-register "script-fu-spinning-globe"
+ "<Image>/Filters/Animation/Animators")