81 lines
3.1 KiB
Scheme
81 lines
3.1 KiB
Scheme
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; Plugin for the Photo and Image Kooker Application
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; Copyright (C) 2006 Martin Nordholts
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;
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; Renders Difference Clouds onto a layer, i.e. solid noise merged down with the
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; Difference Mode
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;
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(define (script-fu-difference-clouds image
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drawable)
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(let* ((draw-offset-x (car (pika-drawable-get-offsets drawable)))
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(draw-offset-y (cadr (pika-drawable-get-offsets drawable)))
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(has-sel (car (pika-drawable-mask-intersect drawable)))
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(sel-offset-x (cadr (pika-drawable-mask-intersect drawable)))
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(sel-offset-y (caddr (pika-drawable-mask-intersect drawable)))
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(width (cadddr (pika-drawable-mask-intersect drawable)))
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(height (caddr (cddr (pika-drawable-mask-intersect drawable))))
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(type (car (pika-drawable-type-with-alpha drawable)))
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(diff-clouds -1)
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(offset-x 0)
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(offset-y 0)
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)
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(pika-image-undo-group-start image)
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; Create the cloud layer
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(set! diff-clouds (car (pika-layer-new image width height type
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"Clouds" 100 LAYER-MODE-DIFFERENCE)))
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; Add the cloud layer above the current layer
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(pika-image-insert-layer image diff-clouds 0 -1)
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; Clear the layer (so there are no noise in it)
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(pika-drawable-fill diff-clouds FILL-TRANSPARENT)
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; Selections are relative to the drawable; adjust the final offset
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(set! offset-x (+ draw-offset-x sel-offset-x))
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(set! offset-y (+ draw-offset-y sel-offset-y))
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; Offset the clouds layer
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(if (pika-item-is-layer drawable)
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(pika-item-transform-translate diff-clouds offset-x offset-y))
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; Show the solid noise dialog
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(plug-in-solid-noise SF-RUN-MODE image diff-clouds 0 0 0 1 4.0 4.0)
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; Merge the clouds layer with the layer below
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(pika-image-merge-down image diff-clouds EXPAND-AS-NECESSARY)
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(pika-image-undo-group-end 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-difference-clouds"
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_"_Difference Clouds..."
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_"Solid noise applied with Difference layer mode"
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"Martin Nordholts <enselic@hotmail.com>"
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"Martin Nordholts"
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"2006/10/25"
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"RGB* GRAY*"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0)
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(script-fu-menu-register "script-fu-difference-clouds"
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"<Image>/Filters/Render/Noise")
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