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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")
-