mirror of https://github.com/GNOME/gimp.git
143 lines
5.4 KiB
Scheme
143 lines
5.4 KiB
Scheme
; GIMP - The GNU Image Manipulation Program
|
|
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
;
|
|
; xach effect script
|
|
; Copyright (c) 1997 Adrian Likins
|
|
; aklikins@eos.ncsu.edu
|
|
;
|
|
; based on a idea by Xach Beane <xach@mint.net>
|
|
;
|
|
;
|
|
; This program is free software: you can redistribute it and/or modify
|
|
; it under the terms of the GNU General Public License as published by
|
|
; the Free Software Foundation; either version 3 of the License, or
|
|
; (at your option) any later version.
|
|
;
|
|
; This program is distributed in the hope that it will be useful,
|
|
; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
; GNU General Public License for more details.
|
|
;
|
|
; You should have received a copy of the GNU General Public License
|
|
; along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
(define (script-fu-xach-effect image
|
|
drawable
|
|
hl-offset-x
|
|
hl-offset-y
|
|
hl-color
|
|
hl-opacity-comp
|
|
ds-color
|
|
ds-opacity
|
|
ds-blur
|
|
ds-offset-x
|
|
ds-offset-y
|
|
keep-selection)
|
|
(let* (
|
|
(ds-blur (max ds-blur 0))
|
|
(ds-opacity (min ds-opacity 100))
|
|
(ds-opacity (max ds-opacity 0))
|
|
(type (car (gimp-drawable-type-with-alpha drawable)))
|
|
(image-width (car (gimp-image-width image)))
|
|
(hl-opacity (list hl-opacity-comp hl-opacity-comp hl-opacity-comp))
|
|
(image-height (car (gimp-image-height image)))
|
|
(active-selection 0)
|
|
(from-selection 0)
|
|
(theLayer 0)
|
|
(hl-layer 0)
|
|
(shadow-layer 0)
|
|
(mask 0)
|
|
)
|
|
|
|
(gimp-context-push)
|
|
(gimp-context-set-defaults)
|
|
|
|
(gimp-image-undo-group-start image)
|
|
(gimp-layer-add-alpha drawable)
|
|
|
|
(if (= (car (gimp-selection-is-empty image)) TRUE)
|
|
(begin
|
|
(gimp-image-select-item image CHANNEL-OP-REPLACE drawable)
|
|
(set! active-selection (car (gimp-selection-save image)))
|
|
(set! from-selection FALSE))
|
|
(begin
|
|
(set! from-selection TRUE)
|
|
(set! active-selection (car (gimp-selection-save image)))))
|
|
|
|
(set! hl-layer (car (gimp-layer-new image image-width image-height type _"Highlight" 100 NORMAL-MODE)))
|
|
(gimp-image-insert-layer image hl-layer 0 -1)
|
|
|
|
(gimp-selection-none image)
|
|
(gimp-edit-clear hl-layer)
|
|
(gimp-image-select-item image CHANNEL-OP-REPLACE active-selection)
|
|
|
|
(gimp-context-set-background hl-color)
|
|
(gimp-edit-fill hl-layer BACKGROUND-FILL)
|
|
(gimp-selection-translate image hl-offset-x hl-offset-y)
|
|
(gimp-edit-fill hl-layer BACKGROUND-FILL)
|
|
(gimp-selection-none image)
|
|
(gimp-image-select-item image CHANNEL-OP-REPLACE active-selection)
|
|
|
|
(set! mask (car (gimp-layer-create-mask hl-layer ADD-WHITE-MASK)))
|
|
(gimp-layer-add-mask hl-layer mask)
|
|
|
|
(gimp-context-set-background hl-opacity)
|
|
(gimp-edit-fill mask BACKGROUND-FILL)
|
|
|
|
(set! shadow-layer (car (gimp-layer-new image
|
|
image-width
|
|
image-height
|
|
type
|
|
_"Shadow"
|
|
ds-opacity
|
|
NORMAL-MODE)))
|
|
(gimp-image-insert-layer image shadow-layer 0 -1)
|
|
(gimp-selection-none image)
|
|
(gimp-edit-clear shadow-layer)
|
|
(gimp-image-select-item image CHANNEL-OP-REPLACE active-selection)
|
|
(gimp-selection-translate image ds-offset-x ds-offset-y)
|
|
(gimp-context-set-background ds-color)
|
|
(gimp-edit-fill shadow-layer BACKGROUND-FILL)
|
|
(gimp-selection-none image)
|
|
(plug-in-gauss-rle RUN-NONINTERACTIVE image shadow-layer ds-blur TRUE TRUE)
|
|
(gimp-image-select-item image CHANNEL-OP-REPLACE active-selection)
|
|
(gimp-edit-clear shadow-layer)
|
|
(gimp-image-lower-item image shadow-layer)
|
|
|
|
(if (= keep-selection FALSE)
|
|
(gimp-selection-none image))
|
|
|
|
(gimp-image-set-active-layer image drawable)
|
|
(gimp-image-remove-channel image active-selection)
|
|
(gimp-image-undo-group-end image)
|
|
(gimp-displays-flush)
|
|
|
|
(gimp-context-pop)
|
|
)
|
|
)
|
|
|
|
(script-fu-register "script-fu-xach-effect"
|
|
_"_Xach-Effect..."
|
|
_"Add a subtle translucent 3D effect to the selected region (or alpha)"
|
|
"Adrian Likins <adrian@gimp.org>"
|
|
"Adrian Likins"
|
|
"9/28/97"
|
|
"RGB* GRAY*"
|
|
SF-IMAGE "Image" 0
|
|
SF-DRAWABLE "Drawable" 0
|
|
SF-ADJUSTMENT _"Highlight X offset" '(-1 -100 100 1 10 0 1)
|
|
SF-ADJUSTMENT _"Highlight Y offset" '(-1 -100 100 1 10 0 1)
|
|
SF-COLOR _"Highlight color" "white"
|
|
SF-ADJUSTMENT _"Highlight opacity" '(66 0 255 1 10 0 0)
|
|
SF-COLOR _"Drop shadow color" "black"
|
|
SF-ADJUSTMENT _"Drop shadow opacity" '(100 0 100 1 10 0 0)
|
|
SF-ADJUSTMENT _"Drop shadow blur radius" '(12 0 255 1 10 0 1)
|
|
SF-ADJUSTMENT _"Drop shadow X offset" '(5 0 255 1 10 0 1)
|
|
SF-ADJUSTMENT _"Drop shadow Y offset" '(5 0 255 1 10 0 1)
|
|
SF-TOGGLE _"Keep selection" TRUE
|
|
)
|
|
|
|
(script-fu-menu-register "script-fu-xach-effect"
|
|
"<Image>/Filters/Light and Shadow/Shadow")
|