91 lines
3.5 KiB
Scheme
91 lines
3.5 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* (
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(drawable-width (car (pika-drawable-get-width drw)))
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(drawable-height (car (pika-drawable-get-height drw)))
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(new-image (car (pika-image-new drawable-width drawable-height RGB)))
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(original-layer (car (pika-layer-new new-image
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drawable-width drawable-height
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RGB-IMAGE "Original"
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100 LAYER-MODE-NORMAL)))
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(original-layer-for-darker 0)
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(original-layer-for-lighter 0)
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(blurred-layer-for-darker 0)
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(blurred-layer-for-lighter 0)
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(darker-layer 0)
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(lighter-layer 0)
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)
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(pika-selection-all img)
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(pika-edit-copy 1 (vector drw))
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(pika-image-undo-disable new-image)
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(pika-image-insert-layer new-image original-layer 0 0)
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(let* (
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(pasted (pika-edit-paste original-layer FALSE))
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(num-pasted (car pasted))
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(floating-sel (aref (cadr pasted) (- num-pasted 1)))
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)
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(pika-floating-sel-anchor floating-sel)
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)
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(set! original-layer-for-darker (car (pika-layer-copy original-layer TRUE)))
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(set! original-layer-for-lighter (car (pika-layer-copy original-layer TRUE)))
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(set! blurred-layer-for-darker (car (pika-layer-copy original-layer TRUE)))
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(pika-item-set-visible original-layer FALSE)
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(pika-display-new new-image)
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;; make darker mask
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(pika-image-insert-layer new-image blurred-layer-for-darker 0 -1)
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(plug-in-gauss-iir RUN-NONINTERACTIVE
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new-image blurred-layer-for-darker mask-size TRUE TRUE)
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(set! blurred-layer-for-lighter
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(car (pika-layer-copy blurred-layer-for-darker TRUE)))
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(pika-image-insert-layer new-image original-layer-for-darker 0 -1)
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(pika-layer-set-mode original-layer-for-darker LAYER-MODE-SUBTRACT)
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(set! darker-layer
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(car (pika-image-merge-visible-layers new-image CLIP-TO-IMAGE)))
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(pika-item-set-name darker-layer "darker mask")
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(pika-item-set-visible darker-layer FALSE)
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;; make lighter mask
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(pika-image-insert-layer new-image original-layer-for-lighter 0 -1)
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(pika-image-insert-layer new-image blurred-layer-for-lighter 0 -1)
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(pika-layer-set-mode blurred-layer-for-lighter LAYER-MODE-SUBTRACT)
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(set! lighter-layer
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(car (pika-image-merge-visible-layers new-image CLIP-TO-IMAGE)))
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(pika-item-set-name lighter-layer "lighter mask")
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;; combine them
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(pika-item-set-visible original-layer TRUE)
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(pika-layer-set-mode darker-layer LAYER-MODE-SUBTRACT)
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(pika-layer-set-opacity darker-layer mask-opacity)
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(pika-item-set-visible darker-layer TRUE)
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(pika-layer-set-mode lighter-layer LAYER-MODE-ADDITION)
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(pika-layer-set-opacity lighter-layer mask-opacity)
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(pika-item-set-visible lighter-layer TRUE)
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(pika-image-undo-enable new-image)
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(pika-displays-flush)
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)
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)
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(script-fu-register "script-fu-unsharp-mask"
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"Unsharp Mask..."
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"Make a new image from the current layer by applying the 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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)
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