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GIMP Script-Fu Script | 2005-06-30 | 3.9 KB | 119 lines |
- ; The GIMP -- an image manipulation program
- ; Copyright (C) 1995 Spencer Kimball and Peter Mattis
- ;
- ; Lava effect
- ; Copyright (c) 1997 Adrian Likins
- ; aklikins@eos.ncsu.edu
- ;
- ; based on a idea by Sven Riedel <lynx@heim8.tu-clausthal.de>
- ; tweaked a bit by Sven Neumann <neumanns@uni-duesseldorf.de>
- ;
- ; 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-lava image
- drawable
- seed
- tile_size
- mask_size
- gradient
- keep-selection
- separate-layer
- current-grad)
- (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! lava-layer (car (gimp-layer-new image
- select-width
- select-height
- type
- "Lava Layer"
- 100
- NORMAL-MODE)))
-
- (gimp-image-add-layer image lava-layer -1)
- (gimp-layer-set-offsets lava-layer select-offset-x select-offset-y)
- (gimp-selection-none image)
- (gimp-edit-clear lava-layer)
-
- (gimp-selection-load active-selection)
- (gimp-image-set-active-layer image lava-layer)))
-
- (set! active-layer (car (gimp-image-get-active-layer image)))
-
- (if (= current-grad FALSE)
- (gimp-context-set-gradient gradient))
-
- (plug-in-solid-noise 1 image active-layer FALSE TRUE seed 2 2 2)
- (plug-in-cubism 1 image active-layer tile_size 2.5 0)
- (plug-in-oilify 1 image active-layer mask_size 0)
- (plug-in-edge 1 image active-layer 2 0 0)
- (plug-in-gauss-rle 1 image active-layer 2 TRUE TRUE)
- (plug-in-gradmap 1 image active-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-lava"
- _"_Lava..."
- "Fills the current selection with lava."
- "Adrian Likins <adrian@gimp.org>"
- "Adrian Likins"
- "10/12/97"
- "RGB* GRAY*"
- SF-IMAGE "Image" 0
- SF-DRAWABLE "Drawable" 0
- SF-ADJUSTMENT _"Seed" '(10 1 30000 1 10 0 1)
- SF-ADJUSTMENT _"Size" '(10 0 100 1 10 0 1)
- SF-ADJUSTMENT _"Roughness" '(7 3 50 1 10 0 0)
- SF-GRADIENT _"Gradient" "German flag smooth"
- SF-TOGGLE _"Keep selection" TRUE
- SF-TOGGLE _"Separate layer" TRUE
- SF-TOGGLE _"Use current gradient" FALSE)
-
- (script-fu-menu-register "script-fu-lava"
- _"<Image>/Script-Fu/Render")
-