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; GIMP - The GNU Image Manipulation Program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; 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 3 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, see <https://www.gnu.org/licenses/>.
;
; Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
;
; Version 0.2 10.6.97 Changed to new script-fu interface in 0.99.10
; Delta the color by the given amount. Check for boundary conditions
; If < 0 set to zero
; If > 255 set to 255
; Return the new value
(define (script-fu-addborder aimg adraws xsize ysize color dvalue allow-resize)
(define (deltacolor col delta)
(let* ((newcol (+ col delta)))
(if (< newcol 0) (set! newcol 0))
(if (> newcol 255) (set! newcol 255))
newcol
)
)
(define (adjcolor col delta)
(map (lambda (x) (deltacolor x delta)) col)
)
(define (gen_top_array xsize ysize owidth oheight width height)
(let* ((n_array (cons-array 10 'double)))
(vector-set! n_array 0 0 )
(vector-set! n_array 1 0 )
(vector-set! n_array 2 xsize)
(vector-set! n_array 3 ysize)
(vector-set! n_array 4 (+ xsize owidth))
(vector-set! n_array 5 ysize)
(vector-set! n_array 6 width)
(vector-set! n_array 7 0 )
(vector-set! n_array 8 0 )
(vector-set! n_array 9 0 )
n_array)
)
(define (gen_left_array xsize ysize owidth oheight width height)
(let* ((n_array (cons-array 10 'double)))
(vector-set! n_array 0 0 )
(vector-set! n_array 1 0 )
(vector-set! n_array 2 xsize)
(vector-set! n_array 3 ysize)
(vector-set! n_array 4 xsize)
(vector-set! n_array 5 (+ ysize oheight))
(vector-set! n_array 6 0 )
(vector-set! n_array 7 height )
(vector-set! n_array 8 0 )
(vector-set! n_array 9 0 )
n_array)
)
(define (gen_right_array xsize ysize owidth oheight width height)
(let* ((n_array (cons-array 10 'double)))
(vector-set! n_array 0 width )
(vector-set! n_array 1 0 )
(vector-set! n_array 2 (+ xsize owidth))
(vector-set! n_array 3 ysize)
(vector-set! n_array 4 (+ xsize owidth))
(vector-set! n_array 5 (+ ysize oheight))
(vector-set! n_array 6 width)
(vector-set! n_array 7 height)
(vector-set! n_array 8 width )
(vector-set! n_array 9 0 )
n_array)
)
(define (gen_bottom_array xsize ysize owidth oheight width height)
(let* ((n_array (cons-array 10 'double)))
(vector-set! n_array 0 0 )
(vector-set! n_array 1 height)
(vector-set! n_array 2 xsize)
(vector-set! n_array 3 (+ ysize oheight))
(vector-set! n_array 4 (+ xsize owidth))
(vector-set! n_array 5 (+ ysize oheight))
(vector-set! n_array 6 width)
(vector-set! n_array 7 height)
(vector-set! n_array 8 0 )
(vector-set! n_array 9 height)
n_array)
)
(let* (
(first-layer (vector-ref adraws 0))
(imagewidth (car (gimp-image-get-width aimg)))
(imageheight (car (gimp-image-get-height aimg)))
(innerwidth 0)
(innerheight 0)
(outerwidth 0)
(outerheight 0))
(if (= allow-resize TRUE)
(begin
(set! outerwidth (+ imagewidth (* 2 xsize)))
(set! outerheight (+ imageheight (* 2 ysize)))
(set! innerwidth imagewidth)
(set! innerheight imageheight))
(begin
(set! outerwidth imagewidth)
(set! outerheight imageheight)
(set! innerwidth (- imagewidth (* 2 xsize)))
(set! innerheight (- imageheight (* 2 ysize)))))
(let* ((layer (car (gimp-layer-new aimg _"Border Layer"
outerwidth outerheight
(car (gimp-drawable-type-with-alpha first-layer))
100 LAYER-MODE-NORMAL))))
(gimp-context-push)
(gimp-context-set-antialias FALSE)
(gimp-context-set-feather FALSE)
(gimp-image-undo-group-start aimg)
(if (= allow-resize TRUE)
(gimp-image-resize aimg
outerwidth
outerheight
xsize
ysize))
(gimp-image-insert-layer aimg layer 0 0)
(gimp-drawable-fill layer FILL-TRANSPARENT)
(gimp-context-set-background (adjcolor color dvalue))
(gimp-image-select-polygon aimg
CHANNEL-OP-REPLACE
(gen_top_array xsize ysize innerwidth innerheight outerwidth outerheight))
(gimp-drawable-edit-fill layer FILL-BACKGROUND)
(gimp-context-set-background (adjcolor color (/ dvalue 2)))
(gimp-image-select-polygon aimg
CHANNEL-OP-REPLACE
(gen_left_array xsize ysize innerwidth innerheight outerwidth outerheight))
(gimp-drawable-edit-fill layer FILL-BACKGROUND)
(gimp-context-set-background (adjcolor color (- 0 (/ dvalue 2))))
(gimp-image-select-polygon aimg
CHANNEL-OP-REPLACE
(gen_right_array xsize ysize innerwidth innerheight outerwidth outerheight))
(gimp-drawable-edit-fill layer FILL-BACKGROUND)
(gimp-context-set-background (adjcolor color (- 0 dvalue)))
(gimp-image-select-polygon aimg
CHANNEL-OP-REPLACE
(gen_bottom_array xsize ysize innerwidth innerheight outerwidth outerheight))
(gimp-drawable-edit-fill layer FILL-BACKGROUND)
(gimp-selection-none aimg)
(gimp-image-undo-group-end aimg)
(gimp-displays-flush)
(gimp-context-pop)
)
)
)
(script-fu-register-filter "script-fu-addborder"
_"Add _Border..."
_"Add a border around an image"
"Andy Thomas <alt@picnic.demon.co.uk>, Michael Schumacher <schumaml@gmx.de>"
"Andy Thomas, Michael Schumacher"
"6/10/1997, 26/05/2017"
"*"
SF-ONE-OR-MORE-DRAWABLE
SF-ADJUSTMENT _"Border X size" '(12 1 250 1 10 0 1)
SF-ADJUSTMENT _"Border Y size" '(12 1 250 1 10 0 1)
SF-COLOR _"Border color" '(38 31 207)
SF-ADJUSTMENT _"Delta value on color" '(25 1 255 1 10 0 1)
SF-TOGGLE _"Allow resizing" TRUE
)
(script-fu-menu-register "script-fu-addborder"
"<Image>/Filters/Decor")
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