85 lines
3.1 KiB
Scheme
85 lines
3.1 KiB
Scheme
; CLOTHIFY version 1.02
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; Gives the current layer in the indicated image a cloth-like texture.
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; Process invented by Zach Beane (Xath@irc.pika.net)
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;
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; Tim Newsome <drz@froody.bloke.com> 4/11/97
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; v3>>> Adapted to take many drawables, but only handle the first
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; v3>>> drawables is-a vector, and there is no formal arg for its length i.e. n_drawables
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(define (script-fu-clothify-v3 timg drawables bx by azimuth elevation depth)
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(let* (
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(tdrawable (aref drawables 0)) v3>>> only the first drawable
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(width (car (pika-drawable-get-width tdrawable)))
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(height (car (pika-drawable-get-height tdrawable)))
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(img (car (pika-image-new width height RGB)))
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; (layer-two (car (pika-layer-new img width height RGB-IMAGE "Y Dots" 100 LAYER-MODE-MULTIPLY)))
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(layer-one (car (pika-layer-new img width height RGB-IMAGE "X Dots" 100 LAYER-MODE-NORMAL)))
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(layer-two 0)
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(bump-layer 0)
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)
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(pika-context-push)
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(pika-context-set-defaults)
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(pika-image-undo-disable img)
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(pika-image-insert-layer img layer-one 0 0)
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(pika-context-set-background '(255 255 255))
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(pika-drawable-edit-fill layer-one FILL-BACKGROUND)
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(plug-in-noisify RUN-NONINTERACTIVE img layer-one FALSE 0.7 0.7 0.7 0.7)
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(set! layer-two (car (pika-layer-copy layer-one 0)))
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(pika-layer-set-mode layer-two LAYER-MODE-MULTIPLY)
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(pika-image-insert-layer img layer-two 0 0)
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(plug-in-gauss-rle RUN-NONINTERACTIVE img layer-one bx TRUE FALSE)
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(plug-in-gauss-rle RUN-NONINTERACTIVE img layer-two by FALSE TRUE)
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(pika-image-flatten img)
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(set! bump-layer (car (pika-image-get-active-layer img)))
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(plug-in-c-astretch RUN-NONINTERACTIVE img bump-layer)
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(plug-in-noisify RUN-NONINTERACTIVE img bump-layer FALSE 0.2 0.2 0.2 0.2)
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(plug-in-bump-map RUN-NONINTERACTIVE img tdrawable bump-layer azimuth elevation depth 0 0 0 0 FALSE FALSE 0)
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(pika-image-delete img)
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(pika-displays-flush)
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(pika-context-pop)
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; well-behaved requires error if more than one drawable
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( if (> (vector-length drawables) 1 )
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(begin
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; Msg to status bar, need not be acknowledged by any user
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(pika-message "Received more than one drawable.")
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; Msg propagated in a GError to Pika's error dialog that must be acknowledged
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(write "Received more than one drawable.")
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; Indicate err to programmed callers
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#f)
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#t
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)
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)
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)
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; v3 >>> no image or drawable declared.
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; v3 >>> SF-ONE-DRAWABLE means contracts to process only one drawable
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(script-fu-register-filter "script-fu-clothify-v3"
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_"_Clothify v3..."
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_"Add a cloth-like texture to the selected region (or alpha)"
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"Tim Newsome <drz@froody.bloke.com>"
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"Tim Newsome"
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"4/11/97"
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"RGB* GRAY*"
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SF-ONE-DRAWABLE
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SF-ADJUSTMENT _"Blur X" '(9 3 100 1 10 0 1)
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SF-ADJUSTMENT _"Blur Y" '(9 3 100 1 10 0 1)
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SF-ADJUSTMENT _"Azimuth" '(135 0 360 1 10 1 0)
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SF-ADJUSTMENT _"Elevation" '(45 0 90 1 10 1 0)
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SF-ADJUSTMENT _"Depth" '(3 1 50 1 10 0 1)
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)
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(script-fu-menu-register "script-fu-clothify-v3"
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"<Image>/Filters/Artistic")
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