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; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Selection-to-brush
; Copyright (c) 1997 Adrian Likins
; aklikins@eos.ncsu.edu
;
; Takes the current selection, saves it as a brush, and makes it the
; active brush..
;
; Parts of this script from Sven Neuman's Drop-Shadow and
; Seth Burgess's mkbrush scripts.
;
; 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-selection-to-brush image
drawable
name
filename
spacing)
(let* ((type (car (gimp-drawable-type-with-alpha drawable)))
(selection-bounds (gimp-selection-bounds image))
(select-offset-x (cadr selection-bounds))
(select-offset-y (caddr selection-bounds))
(selection-width (- (cadr (cddr selection-bounds)) select-offset-x))
(selection-height (- (caddr (cddr selection-bounds)) select-offset-y)))
(gimp-context-push)
(gimp-image-undo-disable image)
(if (= (car (gimp-selection-is-empty image)) TRUE)
(begin
(gimp-selection-layer-alpha drawable)
(set! from-selection FALSE))
(begin
(set! from-selection TRUE)
(set! active-selection (car (gimp-selection-save image)))))
(gimp-edit-copy drawable)
(set! brush_draw_type
(if (= type GRAYA-IMAGE)
GRAY-IMAGE
RGBA-IMAGE))
(set! brush_image_type
(if (= type GRAYA-IMAGE)
GRAY
RGB))
(set! brush-image (car (gimp-image-new selection-width
selection-height
brush_image_type)))
(set! brush-draw
(car (gimp-layer-new brush-image
selection-width
selection-height
brush_draw_type
"Brush"
100
NORMAL-MODE)))
(gimp-image-add-layer brush-image brush-draw 0)
(gimp-selection-none brush-image)
(if (= type GRAYA-IMAGE)
(begin
(gimp-context-set-background '(255 255 255))
(gimp-drawable-fill brush-draw BACKGROUND-FILL))
(gimp-drawable-fill brush-draw TRANSPARENT-FILL))
(let ((floating-sel (car (gimp-edit-paste brush-draw FALSE))))
(gimp-floating-sel-anchor floating-sel))
(set! filename2 (string-append gimp-directory
"/brushes/"
filename
(number->string image)
".gbr"))
(file-gbr-save 1 brush-image brush-draw filename2 "" spacing name)
(if (= from-selection TRUE)
(begin
(gimp-selection-load active-selection)
(gimp-image-remove-channel image active-selection)))
(gimp-image-undo-enable image)
(gimp-image-set-active-layer image drawable)
(gimp-image-delete brush-image)
(gimp-displays-flush)
(gimp-context-pop)
(gimp-brushes-refresh)
(gimp-context-set-brush name)))
(script-fu-register "script-fu-selection-to-brush"
_"To _Brush..."
"Convert a selection to a brush"
"Adrian Likins <adrian@gimp.org>"
"Adrian Likins"
"10/07/97"
"RGB* GRAY*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-STRING _"Brush name" "My Brush"
SF-STRING _"File name" "mybrush"
SF-ADJUSTMENT _"Spacing" '(25 0 1000 1 1 1 0))
(script-fu-menu-register "script-fu-selection-to-brush"
_"<Image>/Script-Fu/Selection")
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