143 lines
5.5 KiB
Scheme
143 lines
5.5 KiB
Scheme
; PIKA - Photo and Image Kooker Application
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; xach effect script
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; Copyright (c) 1997 Adrian Likins
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; aklikins@eos.ncsu.edu
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;
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; based on a idea by Xach Beane <xach@mint.net>
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;
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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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(define (script-fu-xach-effect image
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drawable
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hl-offset-x
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hl-offset-y
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hl-color
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hl-opacity-comp
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ds-color
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ds-opacity
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ds-blur
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ds-offset-x
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ds-offset-y
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keep-selection)
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(let* (
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(ds-blur (max ds-blur 0))
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(ds-opacity (min ds-opacity 100))
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(ds-opacity (max ds-opacity 0))
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(type (car (pika-drawable-type-with-alpha drawable)))
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(image-width (car (pika-image-get-width image)))
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(hl-opacity (list hl-opacity-comp hl-opacity-comp hl-opacity-comp))
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(image-height (car (pika-image-get-height image)))
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(active-selection 0)
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(from-selection 0)
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(theLayer 0)
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(hl-layer 0)
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(shadow-layer 0)
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(mask 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-group-start image)
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(pika-layer-add-alpha drawable)
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(if (= (car (pika-selection-is-empty image)) TRUE)
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(begin
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(pika-image-select-item image CHANNEL-OP-REPLACE drawable)
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(set! active-selection (car (pika-selection-save image)))
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(set! from-selection FALSE))
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(begin
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(set! from-selection TRUE)
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(set! active-selection (car (pika-selection-save image)))))
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(set! hl-layer (car (pika-layer-new image image-width image-height type _"Highlight" 100 LAYER-MODE-NORMAL)))
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(pika-image-insert-layer image hl-layer 0 -1)
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(pika-selection-none image)
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(pika-drawable-edit-clear hl-layer)
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(pika-image-select-item image CHANNEL-OP-REPLACE active-selection)
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(pika-context-set-background hl-color)
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(pika-drawable-edit-fill hl-layer FILL-BACKGROUND)
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(pika-selection-translate image hl-offset-x hl-offset-y)
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(pika-drawable-edit-fill hl-layer FILL-BACKGROUND)
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(pika-selection-none image)
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(pika-image-select-item image CHANNEL-OP-REPLACE active-selection)
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(set! mask (car (pika-layer-create-mask hl-layer ADD-MASK-WHITE)))
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(pika-layer-add-mask hl-layer mask)
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(pika-context-set-background hl-opacity)
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(pika-drawable-edit-fill mask FILL-BACKGROUND)
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(set! shadow-layer (car (pika-layer-new image
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image-width
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image-height
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type
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_"Shadow"
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ds-opacity
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LAYER-MODE-NORMAL)))
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(pika-image-insert-layer image shadow-layer 0 -1)
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(pika-selection-none image)
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(pika-drawable-edit-clear shadow-layer)
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(pika-image-select-item image CHANNEL-OP-REPLACE active-selection)
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(pika-selection-translate image ds-offset-x ds-offset-y)
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(pika-context-set-background ds-color)
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(pika-drawable-edit-fill shadow-layer FILL-BACKGROUND)
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(pika-selection-none image)
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(plug-in-gauss-rle RUN-NONINTERACTIVE image shadow-layer ds-blur TRUE TRUE)
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(pika-image-select-item image CHANNEL-OP-REPLACE active-selection)
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(pika-drawable-edit-clear shadow-layer)
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(pika-image-lower-item image shadow-layer)
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(if (= keep-selection FALSE)
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(pika-selection-none image))
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(pika-image-set-selected-layers image 1 (vector drawable))
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(pika-image-remove-channel image active-selection)
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(pika-image-undo-group-end image)
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(pika-displays-flush)
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(pika-context-pop)
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)
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)
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(script-fu-register "script-fu-xach-effect"
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_"_Xach-Effect..."
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_"Add a subtle translucent 3D effect to the selected region (or alpha)"
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"Adrian Likins <adrian@gimp.org>"
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"Adrian Likins"
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"9/28/97"
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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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SF-ADJUSTMENT _"Highlight X offset" '(-1 -100 100 1 10 0 1)
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SF-ADJUSTMENT _"Highlight Y offset" '(-1 -100 100 1 10 0 1)
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SF-COLOR _"Highlight color" "white"
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SF-ADJUSTMENT _"Highlight opacity" '(66 0 255 1 10 0 0)
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SF-COLOR _"Drop shadow color" "black"
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SF-ADJUSTMENT _"Drop shadow opacity" '(100 0 100 1 10 0 0)
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SF-ADJUSTMENT _"Drop shadow blur radius" '(12 0 255 1 10 0 1)
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SF-ADJUSTMENT _"Drop shadow X offset" '(5 0 255 1 10 0 1)
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SF-ADJUSTMENT _"Drop shadow Y offset" '(5 0 255 1 10 0 1)
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SF-TOGGLE _"Keep selection" TRUE
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)
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(script-fu-menu-register "script-fu-xach-effect"
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"<Image>/Filters/Light and Shadow/[Shadow]")
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