gimp/plug-ins/script-fu/scripts/tileblur.scm

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Scheme

; Chris Gutteridge (cjg@ecs.soton.ac.uk)
; At ECS Dept, University of Southampton, England.
; 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-tile-blur inImage inLayer inRadius inVert inHoriz inType)
(set! theImage inImage)
(set! theLayer inLayer)
(set! theHeight (car (gimp-drawable-height theLayer)))
(set! theWidth (car (gimp-drawable-width theLayer)))
(gimp-image-undo-group-start theImage)
(gimp-layer-resize theLayer (* 3 theWidth) (* 3 theHeight) 0 0)
(gimp-rect-select theImage 0 0 theWidth theHeight CHANNEL-OP-REPLACE 0 0)
(gimp-edit-cut theLayer)
(gimp-selection-none theImage)
(gimp-layer-set-offsets theLayer theWidth theHeight)
(cjg-pasteat 1 1) (cjg-pasteat 1 2) (cjg-pasteat 1 3)
(cjg-pasteat 2 1) (cjg-pasteat 2 2) (cjg-pasteat 2 3)
(cjg-pasteat 3 1) (cjg-pasteat 3 2) (cjg-pasteat 3 3)
(gimp-selection-none theImage)
(if (= inType 0)
(plug-in-gauss-iir TRUE theImage theLayer inRadius inHoriz inVert)
(plug-in-gauss-rle TRUE theImage theLayer inRadius inHoriz inVert)
)
(gimp-layer-resize theLayer theWidth theHeight (- 0 theWidth) (- 0 theHeight))
(gimp-layer-set-offsets theLayer 0 0)
(gimp-image-undo-group-end theImage)
(gimp-displays-flush)
)
(define (cjg-pasteat xoff yoff)
(let ((theFloat (car(gimp-edit-paste theLayer 0))))
(gimp-layer-set-offsets theFloat (* xoff theWidth) (* yoff theHeight) )
(gimp-floating-sel-anchor theFloat)
)
)
(script-fu-register "script-fu-tile-blur"
_"_Tileable Blur..."
"Blurs image edges so that the final result tiles seamlessly"
"Chris Gutteridge"
"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
"25th April 1998"
"RGB*"
SF-IMAGE "The Image" 0
SF-DRAWABLE "The Layer" 0
SF-ADJUSTMENT _"Radius" '(5 0 128 1 1 0 0)
SF-TOGGLE _"Blur vertically" TRUE
SF-TOGGLE _"Blur horizontally" TRUE
SF-OPTION _"Blur type" '(_"IIR" _"RLE"))
(script-fu-menu-register "script-fu-tile-blur"
"<Image>/Filters/Blur")