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GIMP Script-Fu Script | 2005-06-30 | 4.5 KB | 147 lines |
- ; The GIMP -- an image manipulation program
- ; Copyright (C) 1995 Spencer Kimball and Peter Mattis
- ;
- ; Circuit board effect
- ; Copyright (c) 1997 Adrian Likins
- ; aklikins@eos.ncsu.ed
- ;
- ; Genrates what looks a little like the back of an old circuit board.
- ; Looks even better when gradmapped with a suitable gradient.
- ;
- ; This script doesnt handle or color combos well. ie, black/black
- ; doesnt work..
- ; The effect seems to work best on odd shaped selections because of some
- ; limitations in the maze codes selection handling ablity
- ;
- ;
- ; 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-circuit image
- drawable
- mask-size
- seed
- remove-bg
- keep-selection
- separate-layer)
- (let* (
- (type (car (gimp-drawable-type-with-alpha drawable)))
- (image-width (car (gimp-image-width image)))
- (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! selection-bounds (gimp-selection-bounds image))
- (set! select-offset-x (cadr selection-bounds))
- (set! select-offset-y (caddr selection-bounds))
- (set! select-width (- (cadr (cddr selection-bounds)) select-offset-x))
- (set! select-height (- (caddr (cddr selection-bounds)) select-offset-y))
-
- (if (= separate-layer TRUE)
- (begin
- (set! effect-layer (car (gimp-layer-new image
- select-width
- select-height
- type
- "effect layer"
- 100
- NORMAL-MODE)))
-
- (gimp-image-add-layer image effect-layer -1)
- (gimp-layer-set-offsets effect-layer select-offset-x select-offset-y)
- (gimp-selection-none image)
- (gimp-edit-clear effect-layer)
- (gimp-selection-load active-selection)
- (gimp-edit-copy drawable)
-
- (let ((floating-sel (car (gimp-edit-paste effect-layer FALSE))))
- (gimp-floating-sel-anchor floating-sel)
- )
- (gimp-image-set-active-layer image effect-layer ))
- (set! effect-layer drawable)
- )
- (set! active-layer effect-layer)
-
- (if (= remove-bg TRUE)
- (gimp-context-set-foreground '(0 0 0))
- (gimp-context-set-foreground '(14 14 14)))
-
- (gimp-selection-load active-selection)
- (plug-in-maze 1 image active-layer 5 5 TRUE 0 seed 57 1)
- (plug-in-oilify 1 image active-layer mask-size 0)
- (plug-in-edge 1 image active-layer 2 1 0)
- (if (= type RGBA-IMAGE)
- (gimp-desaturate active-layer))
-
- (if (and
- (= remove-bg TRUE)
- (= separate-layer TRUE))
- (begin
- (gimp-by-color-select
- active-layer
- '(0 0 0)
- 15
- 2
- TRUE
- FALSE
- 10
- FALSE)
- (gimp-edit-clear active-layer)))
-
- (if (= keep-selection FALSE)
- (gimp-selection-none image))
-
- (gimp-image-remove-channel image active-selection)
- (gimp-image-set-active-layer image drawable)
-
- (gimp-image-undo-group-end image)
-
- (gimp-displays-flush)
-
- (gimp-context-pop)))
-
- (script-fu-register "script-fu-circuit"
- _"_Circuit..."
- "Fills the current selection with something that looks
- vaguely like a circuit board."
- "Adrian Likins <adrian@gimp.org>"
- "Adrian Likins"
- "10/17/97"
- "RGB* GRAY*"
- SF-IMAGE "Image" 0
- SF-DRAWABLE "Drawable" 0
- SF-ADJUSTMENT _"Oilify mask size" '(17 3 50 1 10 0 1)
- SF-ADJUSTMENT _"Circuit seed" '(3 1 3000000 1 10 0 1)
- SF-TOGGLE _"No background (only for separate layer)" FALSE
- SF-TOGGLE _"Keep selection" TRUE
- SF-TOGGLE _"Separate layer" TRUE)
-
- (script-fu-menu-register "script-fu-circuit"
- _"<Image>/Script-Fu/Render")
-