gimp/plug-ins/script-fu/scripts/clothify.scm

81 lines
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Scheme

; CLOTHIFY version 1.02
; Gives the current layer in the indicated image a cloth-like texture.
; Process invented by Zach Beane (Xath@irc.gimp.net)
;
; Tim Newsome <drz@froody.bloke.com> 4/11/97
(define (script-fu-clothify timg tdrawables bx by azimuth elevation depth)
(let* (
(tdrawable (vector-ref tdrawables 0))
(width (car (gimp-drawable-get-width tdrawable)))
(height (car (gimp-drawable-get-height tdrawable)))
(img (car (gimp-image-new width height RGB)))
; (layer-two (car (gimp-layer-new img "Y Dots" width height RGB-IMAGE 100 LAYER-MODE-MULTIPLY)))
(layer-one (car (gimp-layer-new img "X Dots" width height RGB-IMAGE 100 LAYER-MODE-NORMAL)))
(layer-two 0)
(bump-layer 0)
)
(gimp-context-push)
(gimp-context-set-defaults)
(gimp-image-undo-disable img)
(gimp-image-insert-layer img layer-one 0 0)
(gimp-context-set-background '(255 255 255))
(gimp-drawable-edit-fill layer-one FILL-BACKGROUND)
(gimp-drawable-merge-new-filter layer-one "gegl:noise-rgb" 0 LAYER-MODE-REPLACE 1.0
"independent" FALSE "red" 0.7 "alpha" 0.7
"correlated" FALSE "seed" (msrg-rand) "linear" TRUE)
(set! layer-two (car (gimp-layer-copy layer-one)))
(gimp-layer-set-mode layer-two LAYER-MODE-MULTIPLY)
(gimp-image-insert-layer img layer-two 0 0)
(gimp-drawable-merge-new-filter layer-one "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" (* 0.32 bx) "std-dev-y" 0.0 "filter" "auto")
(gimp-drawable-merge-new-filter layer-two "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" 0.0 "std-dev-y" (* 0.32 by) "filter" "auto")
(gimp-image-flatten img)
(set! bump-layer (vector-ref (car (gimp-image-get-selected-layers img)) 0))
(gimp-drawable-merge-new-filter bump-layer "gegl:stretch-contrast" 0 LAYER-MODE-REPLACE 1.0 "keep-colors" FALSE)
(gimp-drawable-merge-new-filter bump-layer "gegl:noise-rgb" 0 LAYER-MODE-REPLACE 1.0
"independent" FALSE "red" 0.2 "alpha" 0.2
"correlated" FALSE "seed" (msrg-rand) "linear" TRUE)
(let* ((filter (car (gimp-drawable-filter-new tdrawable "gegl:bump-map" ""))))
(gimp-drawable-filter-configure filter LAYER-MODE-REPLACE 1.0
"azimuth" azimuth "elevation" elevation "depth" depth
"offset-x" 0 "offset-y" 0 "waterlevel" 0.0 "ambient" 0.0
"compensate" FALSE "invert" FALSE "type" "linear"
"tiled" FALSE)
(gimp-drawable-filter-set-aux-input filter "aux" bump-layer)
(gimp-drawable-merge-filter tdrawable filter)
)
(gimp-image-delete img)
(gimp-displays-flush)
(gimp-context-pop)
)
)
(script-fu-register-filter "script-fu-clothify"
_"_Clothify..."
_"Add a cloth-like texture to the selected region (or alpha)"
"Tim Newsome <drz@froody.bloke.com>"
"Tim Newsome"
"4/11/97"
"RGB* GRAY*"
SF-ONE-OR-MORE-DRAWABLE
SF-ADJUSTMENT _"Blur X" '(9 3 100 1 10 0 1)
SF-ADJUSTMENT _"Blur Y" '(9 3 100 1 10 0 1)
SF-ADJUSTMENT _"Azimuth" '(135 0 360 1 10 1 0)
SF-ADJUSTMENT _"Elevation" '(45 0.5 90 1 10 1 0)
SF-ADJUSTMENT _"Depth" '(3 1 50 1 10 0 1)
)
(script-fu-menu-register "script-fu-clothify"
"<Image>/Filters/Artistic")