mirror of https://github.com/GNOME/gimp.git
116 lines
4.3 KiB
Scheme
116 lines
4.3 KiB
Scheme
;
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; anim_sphere
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;
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;
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; Chris Gutteridge (cjg@ecs.soton.ac.uk)
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; At ECS Dept, University of Southampton, England.
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <https://www.gnu.org/licenses/>.
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; Define the function:
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(define (script-fu-spinning-globe inImage
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inLayer
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inFrames
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inFromLeft
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inTransparent
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inIndex
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inCopy)
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(let* (
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(theImage (if (= inCopy TRUE)
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(car (gimp-image-duplicate inImage))
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inImage))
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(theLayer (vector-ref (car (gimp-image-get-selected-layers theImage)) 0))
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(n 0)
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(ang (* (/ 360 inFrames)
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(if (= inFromLeft TRUE) 1 -1) ))
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(theFrame 0)
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)
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(gimp-layer-add-alpha theLayer)
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(while (> inFrames n)
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(set! n (+ n 1))
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(set! theFrame (car (gimp-layer-copy theLayer FALSE)))
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(gimp-image-insert-layer theImage theFrame 0 0)
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(gimp-item-set-name theFrame
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(string-append "Anim Frame: "
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(number->string (- inFrames n) 10)
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" (replace)"))
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(plug-in-map-object RUN-NONINTERACTIVE
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theImage ; mapping image
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(vector theFrame) ; mapping drawables
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"map-sphere" ; sphere
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0.5 0.5 2.0 ; viewpoint
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0.5 0.5 0.0 ; object pos
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1.0 0.0 0.0 ; first axis
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0.0 1.0 0.0 ; 2nd axis
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0.0 (* n ang) 0.0 ; axis rotation
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"point-light" ; light type
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'(255 255 255) ; light color
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-0.5 -0.5 2.0 ; light position
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-1.0 -1.0 1.0 ; light direction
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0.3 1.0 0.5 0.0 27.0 ; material (amb, diff, refl, spec, high)
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TRUE ; antialias
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3.0 ; depth
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0.25 ; threshold
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FALSE ; tile
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FALSE ; new image
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FALSE ; new layer
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inTransparent ; transparency
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0.25 ; radius
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1.0 1.0 1.0 1.0 ; unused parameters
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-1 -1 0.5 0.5 0.5 -1 -1 0.25 0.25
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)
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)
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(gimp-image-remove-layer theImage theLayer)
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(plug-in-autocrop RUN-NONINTERACTIVE theImage theFrame)
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(if (= inIndex 0)
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()
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(gimp-image-convert-indexed theImage CONVERT-DITHER-FS CONVERT-PALETTE-GENERATE inIndex
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FALSE FALSE ""))
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(if (= inCopy TRUE)
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(begin
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(gimp-image-clean-all theImage)
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(gimp-display-new theImage)
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)
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)
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(gimp-displays-flush)
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)
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)
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(script-fu-register
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"script-fu-spinning-globe"
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_"_Spinning Globe..."
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_"Create an animation by mapping the current image onto a spinning sphere"
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"Chris Gutteridge"
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"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
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"16th April 1998"
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"RGB* GRAY*"
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SF-IMAGE "The Image" 0
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SF-DRAWABLE "The Layer" 0
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SF-ADJUSTMENT _"Frames" '(10 1 360 1 10 0 1)
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SF-TOGGLE _"Turn from left to right" FALSE
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SF-TOGGLE _"Transparent background" TRUE
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SF-ADJUSTMENT _"Index to n colors (0 = remain RGB)" '(63 0 256 1 10 0 1)
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SF-TOGGLE _"Work on copy" TRUE
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)
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(script-fu-menu-register "script-fu-spinning-globe"
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"<Image>/Filters/Animation/")
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