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; The GIMP -- an 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 2 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
(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))))
(gimp-context-push)
(gimp-image-undo-group-start image)
(gimp-layer-add-alpha drawable)
(if (= (car (gimp-selection-is-empty image)) TRUE)
(begin
(gimp-selection-layer-alpha 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-add-layer image hl-layer -1)
(gimp-selection-none image)
(gimp-edit-clear hl-layer)
(gimp-selection-load 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-selection-load 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-add-layer image shadow-layer -1)
(gimp-selection-none image)
(gimp-edit-clear shadow-layer)
(gimp-selection-load 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 1 image shadow-layer ds-blur TRUE TRUE)
(gimp-selection-load active-selection)
(gimp-edit-clear shadow-layer)
(gimp-image-lower-layer 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 3-d effect to the current selection or alpha channel"
"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" '(255 255 255)
SF-ADJUSTMENT _"Highlight opacity" '(66 0 255 1 10 0 0)
SF-COLOR _"Drop shadow color" '(0 0 0)
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>/Script-Fu/Shadow")
|
