mirror of https://github.com/GNOME/gimp.git
78 lines
3.0 KiB
Scheme
78 lines
3.0 KiB
Scheme
;;; unsharp-mask.scm
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;;; Time-stamp: <1998/11/17 13:18:39 narazaki@gimp.org>
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;;; Author: Narazaki Shuji <narazaki@gimp.org>
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;;; Version 0.8
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(define (script-fu-unsharp-mask img drw mask-size mask-opacity)
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(let* ((drawable-width (car (gimp-drawable-width drw)))
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(drawable-height (car (gimp-drawable-height drw)))
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(new-image (car (gimp-image-new drawable-width drawable-height RGB)))
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(original-layer (car (gimp-layer-new new-image
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drawable-width drawable-height
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RGB "Original" 100 NORMAL)))
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(original-layer-for-darker #f)
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(original-layer-for-lighter #f)
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(blured-layer-for-darker #f)
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(blured-layer-for-lighter #f)
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(darker-layer #f)
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(lighter-layer #f))
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(gimp-selection-all img)
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(gimp-edit-copy drw)
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(gimp-image-undo-disable new-image)
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(gimp-floating-sel-anchor
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(car (gimp-edit-paste original-layer FALSE)))
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(gimp-image-add-layer new-image original-layer 0)
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(set! original-layer-for-darker (car (gimp-layer-copy original-layer TRUE)))
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(set! original-layer-for-lighter (car (gimp-layer-copy original-layer TRUE)))
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(set! blured-layer-for-darker (car (gimp-layer-copy original-layer TRUE)))
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(gimp-layer-set-visible original-layer FALSE)
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(gimp-display-new new-image)
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;; make darker mask
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(gimp-image-add-layer new-image blured-layer-for-darker -1)
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(plug-in-gauss-iir TRUE new-image blured-layer-for-darker mask-size
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TRUE TRUE)
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(set! blured-layer-for-lighter
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(car (gimp-layer-copy blured-layer-for-darker TRUE)))
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(gimp-image-add-layer new-image original-layer-for-darker -1)
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(gimp-layer-set-mode original-layer-for-darker SUBTRACT)
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(set! darker-layer
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(car (gimp-image-merge-visible-layers new-image CLIP-TO-IMAGE)))
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(gimp-layer-set-name darker-layer "darker mask")
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(gimp-layer-set-visible darker-layer FALSE)
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;; make lighter mask
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(gimp-image-add-layer new-image original-layer-for-lighter -1)
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(gimp-image-add-layer new-image blured-layer-for-lighter -1)
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(gimp-layer-set-mode blured-layer-for-lighter SUBTRACT)
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(set! lighter-layer
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(car (gimp-image-merge-visible-layers new-image CLIP-TO-IMAGE)))
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(gimp-layer-set-name lighter-layer "lighter mask")
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;; combine them
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(gimp-layer-set-visible original-layer TRUE)
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(gimp-layer-set-mode darker-layer SUBTRACT)
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(gimp-layer-set-opacity darker-layer mask-opacity)
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(gimp-layer-set-visible darker-layer TRUE)
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(gimp-layer-set-mode lighter-layer ADDITION)
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(gimp-layer-set-opacity lighter-layer mask-opacity)
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(gimp-layer-set-visible lighter-layer TRUE)
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(gimp-image-undo-enable new-image)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-unsharp-mask"
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_"<Image>/Script-Fu/Alchemy/Unsharp Mask..."
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"Make a sharp image of IMAGE's DRAWABLE by applying unsharp mask method"
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"Shuji Narazaki <narazaki@gimp.org>"
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"Shuji Narazaki"
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"1997,1998"
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""
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable to apply" 0
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SF-ADJUSTMENT _"Mask Size" '(5 1 100 1 1 0 1)
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SF-ADJUSTMENT _"Mask Opacity" '(50 0 100 1 1 0 1))
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