mirror of
https://gitlab.gnome.org/GNOME/gimp
synced 2024-10-22 04:22:29 +00:00
b8b5d7834d
* plug-ins/script-fu/scripts/*: removed the image argument from functions that no longer need it.
103 lines
3.8 KiB
Scheme
103 lines
3.8 KiB
Scheme
; "Rippling Image" animation generator (ripply-anim.scm)
|
|
; Adam D. Moss (adam@foxbox.org)
|
|
; 97/05/18
|
|
;
|
|
; Designed to be used in conjunction with a plugin capable
|
|
; of saving animations (i.e. the GIF plugin).
|
|
;
|
|
|
|
(define (copy-layer-ripple dest-image dest-drawable source-image source-drawable)
|
|
(gimp-selection-all dest-image)
|
|
(gimp-edit-clear dest-drawable)
|
|
(gimp-selection-none dest-image)
|
|
(gimp-selection-all source-image)
|
|
(gimp-edit-copy source-drawable)
|
|
(gimp-selection-none source-image)
|
|
(let ((floating-sel (car (gimp-edit-paste dest-drawable FALSE))))
|
|
(gimp-floating-sel-anchor floating-sel)))
|
|
|
|
(define (script-fu-ripply-anim img drawable displacement num-frames)
|
|
(let* ((width (car (gimp-drawable-width drawable)))
|
|
(height (car (gimp-drawable-height drawable)))
|
|
(ripple-image (car (gimp-image-new width height GRAY)))
|
|
(ripple-layer (car (gimp-layer-new ripple-image width height GRAY_IMAGE "Ripple Texture" 100 NORMAL))))
|
|
|
|
; this script generates its own displacement map
|
|
|
|
(gimp-image-disable-undo ripple-image)
|
|
(gimp-palette-set-background '(127 127 127) )
|
|
(gimp-image-add-layer ripple-image ripple-layer 0)
|
|
(gimp-edit-fill ripple-layer)
|
|
(plug-in-noisify 1 ripple-image ripple-layer FALSE 1.0 1.0 1.0 0.0)
|
|
; tile noise
|
|
(set! rippletiled-ret (plug-in-tile 1 ripple-image ripple-layer (* width 3) (* height 3) TRUE))
|
|
(gimp-image-enable-undo ripple-image)
|
|
(gimp-image-delete ripple-image)
|
|
|
|
(set! rippletiled-image (car rippletiled-ret))
|
|
(set! rippletiled-layer (cadr rippletiled-ret))
|
|
(gimp-image-disable-undo rippletiled-image)
|
|
|
|
; process tiled noise into usable displacement map
|
|
(plug-in-gauss-iir 1 rippletiled-image rippletiled-layer 35 TRUE TRUE)
|
|
(gimp-equalize rippletiled-layer TRUE)
|
|
(plug-in-gauss-rle 1 rippletiled-image rippletiled-layer 5 TRUE TRUE)
|
|
(gimp-equalize rippletiled-layer TRUE)
|
|
|
|
; displacement map is now in rippletiled-layer of rippletiled-image
|
|
|
|
; loop through the desired frames
|
|
|
|
(set! remaining-frames num-frames)
|
|
(set! xpos (/ width 2))
|
|
(set! ypos (/ height 2))
|
|
(set! xoffset (/ width num-frames))
|
|
(set! yoffset (/ height num-frames))
|
|
|
|
(let* ((out-imagestack (car (gimp-image-new width height RGB))))
|
|
|
|
(gimp-image-disable-undo out-imagestack)
|
|
|
|
(while (> remaining-frames 0)
|
|
(set! dup-image (car (gimp-channel-ops-duplicate rippletiled-image)))
|
|
(gimp-image-disable-undo dup-image)
|
|
(gimp-crop dup-image width height xpos ypos)
|
|
|
|
(set! layer-name (string-append "Frame "
|
|
(number->string (- num-frames remaining-frames) 10)))
|
|
(set! this-layer (car (gimp-layer-new out-imagestack
|
|
width height RGB
|
|
layer-name 100 NORMAL)))
|
|
(gimp-image-add-layer out-imagestack this-layer 0)
|
|
|
|
(copy-layer-ripple out-imagestack this-layer img drawable)
|
|
|
|
(set! dup-layer (car (gimp-image-get-active-layer dup-image)))
|
|
(plug-in-displace 1 out-imagestack this-layer
|
|
displacement displacement
|
|
TRUE TRUE dup-layer dup-layer 2)
|
|
|
|
(gimp-image-enable-undo dup-image)
|
|
(gimp-image-delete dup-image)
|
|
|
|
(set! remaining-frames (- remaining-frames 1))
|
|
(set! xpos (+ xoffset xpos))
|
|
(set! ypos (+ yoffset ypos)))
|
|
|
|
(gimp-image-enable-undo rippletiled-image)
|
|
(gimp-image-delete rippletiled-image)
|
|
(gimp-image-enable-undo out-imagestack)
|
|
(gimp-display-new out-imagestack))))
|
|
|
|
(script-fu-register "script-fu-ripply-anim"
|
|
"<Image>/Script-Fu/Animators/Rippling"
|
|
"Ripple any image by creating animation frames as layers"
|
|
"Adam D. Moss (adam@foxbox.org)"
|
|
"Adam D. Moss"
|
|
"1997"
|
|
"RGB*, GRAY*"
|
|
SF-IMAGE "Image to Animage" 0
|
|
SF-DRAWABLE "Drawable to Animate" 0
|
|
SF-ADJUSTMENT "Rippling Strentgh" '(3 0 256 1 10 3 0)
|
|
SF-ADJUSTMENT "Number of Frames" '(15 0 256 1 10 0 1))
|