mirror of https://github.com/GNOME/gimp.git
123 lines
3.8 KiB
Scheme
123 lines
3.8 KiB
Scheme
; The GIMP -- an image manipulation program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; Lava effect
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; Copyright (c) 1997 Adrian Likins
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; aklikins@eos.ncsu.edu
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;
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; based on a idea by Sven Riedel <lynx@heim8.tu-clausthal.de>
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; tweaked a little by Sven Neumann <neumanns@uni-duesseldorf.de>
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;
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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(define (script-fu-lava image
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drawable
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seed
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tile_size
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mask_size
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gradient
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keep-selection
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seperate-layer
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current-grad)
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(let* (
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(type (car (gimp-drawable-type-with-alpha drawable)))
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(image-width (car (gimp-image-width image)))
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(image-height (car (gimp-image-height image)))
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(old-gradient (car (gimp-gradients-get-active)))
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(old-bg (car (gimp-palette-get-background))))
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(gimp-image-disable-undo image)
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(gimp-layer-add-alpha drawable)
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(if (= (car (gimp-selection-is-empty image)) TRUE)
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(begin
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(gimp-selection-layer-alpha drawable)
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(set! active-selection (car (gimp-selection-save image)))
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(set! from-selection FALSE))
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(begin
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(set! from-selection TRUE)
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(set! active-selection (car (gimp-selection-save image)))))
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(set! selection-bounds (gimp-selection-bounds image))
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(set! select-offset-x (cadr selection-bounds))
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(set! select-offset-y (caddr selection-bounds))
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(set! select-width (- (cadr (cddr selection-bounds)) select-offset-x))
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(set! select-height (- (caddr (cddr selection-bounds)) select-offset-y))
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(if (= seperate-layer TRUE)
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(begin
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(set! lava-layer (car (gimp-layer-new image
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select-width
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select-height
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type
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"Lava Layer"
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100
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NORMAL)))
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(gimp-layer-set-offsets lava-layer select-offset-x select-offset-y)
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(gimp-image-add-layer image lava-layer -1)
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(gimp-selection-none image)
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(gimp-edit-clear lava-layer)
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(gimp-selection-load active-selection)
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(gimp-image-set-active-layer image lava-layer)))
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(set! active-layer (car (gimp-image-get-active-layer image)))
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(if (= current-grad FALSE)
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(gimp-gradients-set-active gradient))
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(plug-in-solid-noise 1 image active-layer FALSE TRUE seed 2 2 2)
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(plug-in-cubism 1 image active-layer tile_size 2.5 0)
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(plug-in-oilify 1 image active-layer mask_size 0)
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(plug-in-edge 1 image active-layer 2 0)
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(plug-in-gauss-rle 1 image active-layer 2 TRUE TRUE)
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(plug-in-gradmap 1 image active-layer)
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(gimp-gradients-set-active old-gradient)
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(gimp-palette-set-background old-bg)
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(if (= keep-selection FALSE)
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(gimp-selection-none image))
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(gimp-image-set-active-layer image drawable)
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(gimp-image-remove-channel image active-selection)
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(gimp-image-enable-undo image)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-lava"
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"<Image>/Script-Fu/Decor/Lava"
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"Fills the current selection with lava."
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"Adrian Likins <adrian@gimp.org>"
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"Adrian Likins"
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"10/12/97"
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"RGB RGBA GRAY GRAYA"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-VALUE "Seed" "2"
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SF-VALUE "Size" "10"
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SF-VALUE "Roughness" "7"
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SF-GRADIENT "Gradient" "German_flag_smooth"
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SF-TOGGLE "Keep Selection?" TRUE
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SF-TOGGLE "Seperate Layer?" TRUE
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SF-TOGGLE "Use current Gradient?" FALSE)
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