gimp/plug-ins/script-fu/scripts/spinning-globe.scm

132 lines
5.7 KiB
Scheme

;
; 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 (vector-ref (car (gimp-image-get-selected-layers theImage)) 0))
(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)))
(gimp-image-insert-layer theImage theFrame 0 0)
(gimp-item-set-name theFrame
(string-append "Anim Frame: "
(number->string (- inFrames n) 10)
" (replace)"))
;(gimp-message "Now call map-object")
(plug-in-map-object #:run-mode RUN-NONINTERACTIVE
#:image theImage ; mapping image
#:drawables (vector theFrame) ; mapping drawables
#:map-type "map-sphere" ; sphere
#:viewpoint-x 0.5 ; viewpoint
#:viewpoint-y 0.5
#:viewpoint-z 2.0
#:position-x 0.5 ; object pos
#:position-y 0.5
#:position-z 0.0
#:first-axis-x 1.0 ; first axis
#:first-axis-y 0.0
#:first-axis-z 0.0
#:second-axis-x 0.0 ; 2nd axis
#:second-axis-y 1.0
#:second-axis-z 0.0
#:rotation-angle-x 0.0 ; axis rotation
#:rotation-angle-y (* n ang)
#:rotation-angle-z 0.0
#:light-type "point-light" ; light type
#:light-color '(255 255 255) ; light color
#:light-position-x -0.5 ; light position
#:light-position-y -0.5
#:light-position-z 2.0
#:light-direction-x -1.0 ; light direction
#:light-direction-y -1.0
#:light-direction-z 1.0
#:ambient-intensity 0.3 ; material (amb, diff, refl, spec, high)
#:diffuse-intensity 1.0
#:diffuse-reflectivity 0.5
#:specular-reflectivity 0.0
#:highlight 27.0
#:antialiasing TRUE ; antialias
#:depth 3.0 ; depth
#:threshold 0.25 ; threshold
#:tiled FALSE ; tile
#:new-image FALSE ; new image
#:new-layer FALSE ; new layer
#:transparent-background inTransparent ; transparency
#:sphere-radius 0.25 ; radius
)
)
(gimp-image-remove-layer theImage theLayer)
(gimp-image-autocrop 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-filter
"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-ONE-OR-MORE-DRAWABLE
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/")