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GIMP Script-Fu Script | 2009-12-15 | 3.1 KB | 79 lines |
- ; Plugin for the GNU Image Manipulation Program
- ; Copyright (C) 2006 Martin Nordholts
- ;
- ; 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.
- ;
- ; Renders Difference Clouds onto a layer, i.e. solid noise merged down with the
- ; Difference Mode
- ;
-
- (define (script-fu-difference-clouds image
- drawable)
-
- (let* ((draw-offset-x (car (gimp-drawable-offsets drawable)))
- (draw-offset-y (cadr (gimp-drawable-offsets drawable)))
- (has-sel (car (gimp-drawable-mask-intersect drawable)))
- (sel-offset-x (cadr (gimp-drawable-mask-intersect drawable)))
- (sel-offset-y (caddr (gimp-drawable-mask-intersect drawable)))
- (width (cadddr (gimp-drawable-mask-intersect drawable)))
- (height (caddr (cddr (gimp-drawable-mask-intersect drawable))))
- (type (car (gimp-drawable-type-with-alpha drawable)))
- (diff-clouds (car (gimp-layer-new image width height type
- "Clouds" 100 DIFFERENCE-MODE)))
- (offset-x 0)
- (offset-y 0)
- )
-
- (gimp-image-undo-group-start image)
-
- ; Add the cloud layer above the current layer
- (gimp-image-add-layer image diff-clouds -1)
-
- ; Clear the layer (so there are no noise in it)
- (gimp-drawable-fill diff-clouds TRANSPARENT-FILL)
-
- ; Selections are relative to the drawable; adjust the final offset
- (set! offset-x (+ draw-offset-x sel-offset-x))
- (set! offset-y (+ draw-offset-y sel-offset-y))
-
- ; Offset the clouds layer
- (if (gimp-drawable-is-layer drawable)
- (gimp-layer-translate diff-clouds offset-x offset-y))
-
- ; Show the solid noise dialog
- (plug-in-solid-noise SF-RUN-MODE image diff-clouds 0 0 0 1 4.0 4.0)
-
- ; Merge the clouds layer with the layer below
- (gimp-image-merge-down image diff-clouds EXPAND-AS-NECESSARY)
-
- (gimp-image-undo-group-end image)
-
- (gimp-displays-flush)
- )
- )
-
- (script-fu-register "script-fu-difference-clouds"
- _"Difference Clouds..."
- _"Solid noise applied with Difference layer mode"
- "Martin Nordholts <enselic@hotmail.com>"
- "Martin Nordholts"
- "2006/10/25"
- "RGB* GRAY*"
- SF-IMAGE "Image" 0
- SF-DRAWABLE "Drawable" 0)
-
- (script-fu-menu-register "script-fu-difference-clouds"
- "<Image>/Filters/Render/Clouds")
-