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

168 lines
4.3 KiB
Scheme

;
; fuzzy-border
;
; Do a cool fade to a given colour at the border of an image (optional shadow)
; Will make image RGB if it isn't already.
;
; 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 the function:
(define (script-fu-fuzzy-border inImage
inLayer
inColor
inSize
inBlur
inGranu
inShadow
inShadWeight
inCopy
inFlatten
)
(gimp-selection-all inImage)
(set! theImage (if (= inCopy TRUE)
(car (gimp-channel-ops-duplicate inImage))
inImage)
)
(if (> (car (gimp-drawable-type inLayer))
1
)
(gimp-convert-rgb theImage)
)
(set! theWidth (car (gimp-image-width inImage)))
(set! theHeight (car (gimp-image-height inImage)))
(set! theLayer (car (gimp-layer-new theImage
theWidth
theHeight
RGBA_IMAGE
"layer 1"
100
NORMAL
) ) )
(gimp-image-add-layer theImage theLayer 0)
(gimp-edit-clear theLayer)
(chris-color-edge theImage theLayer inColor inSize)
(gimp-layer-scale theLayer
(/ theWidth inGranu)
(/ theHeight inGranu)
TRUE
)
(plug-in-spread TRUE
theImage
theLayer
(/ inSize inGranu)
(/ inSize inGranu)
)
(chris-color-edge theImage theLayer inColor 1)
(gimp-layer-scale theLayer theWidth theHeight TRUE)
(gimp-selection-layer-alpha theLayer)
(gimp-selection-invert theImage)
(gimp-edit-clear theLayer)
(gimp-selection-invert theImage)
(gimp-edit-clear theLayer)
(gimp-palette-set-background inColor)
(gimp-edit-fill theLayer BG-IMAGE-FILL)
(gimp-selection-none inImage)
(chris-color-edge theImage theLayer inColor 1)
(if (= inBlur TRUE)
(plug-in-gauss-rle TRUE theImage theLayer inSize TRUE TRUE)
()
)
(if (= inShadow FALSE)
()
(begin
(gimp-selection-none inImage)
(gimp-image-add-layer theImage
(car (gimp-layer-copy theLayer
FALSE
))
0
)
(gimp-layer-scale theLayer (- theWidth inSize) (- theHeight inSize) TRUE)
(gimp-desaturate theLayer)
(gimp-brightness-contrast theLayer 127 127)
(gimp-invert theLayer)
(gimp-layer-resize theLayer
theWidth
theHeight
(/ inSize 2)
(/ inSize 2)
)
(plug-in-gauss-rle TRUE
theImage
theLayer
(/ inSize 2)
TRUE
TRUE
)
(gimp-layer-set-opacity theLayer inShadWeight)
)
)
(if (= inFlatten TRUE)
(gimp-image-flatten theImage)
()
)
(if (= inCopy TRUE)
(begin (gimp-image-clean-all theImage)
(gimp-display-new theImage)
)
()
)
(gimp-displays-flush)
)
(define (chris-color-edge inImage inLayer inColor inSize)
(gimp-selection-all inImage)
(gimp-selection-shrink inImage inSize)
(gimp-selection-invert inImage)
(gimp-palette-set-background inColor)
(gimp-edit-fill theLayer BG-IMAGE-FILL)
(gimp-selection-none inImage)
)
; Register the function with the GIMP:
(script-fu-register
"script-fu-fuzzy-border"
_"<Image>/Script-Fu/Decor/Fuzzy Border..."
"Fade border to chosen color"
"Chris Gutteridge"
"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
"3rd April 1998"
"RGB* GRAY*"
SF-IMAGE "The Image" 0
SF-DRAWABLE "The Layer" 0
SF-COLOR _"Color" '(255 255 255)
SF-VALUE _"Border Size" "16"
SF-TOGGLE _"Blur Border" TRUE
SF-VALUE _"Granularity (1 is Low)" "4"
SF-TOGGLE _"Add Shadow" FALSE
SF-ADJUSTMENT _"Shadow Weight (%)" '(100 0 100 1 10 0 0)
SF-TOGGLE _"Work on Copy" TRUE
SF-TOGGLE _"Flatten Image" TRUE
)