mirror of https://github.com/GNOME/gimp.git
145 lines
4.5 KiB
Scheme
145 lines
4.5 KiB
Scheme
; GIMP - The GNU Image Manipulation Program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; Selection-to-brush
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; Copyright (c) 1997 Adrian Likins
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; aklikins@eos.ncsu.edu
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;
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; Takes the current selection, saves it as a brush, and makes it the
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; active brush..
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;
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; Parts of this script from Sven Neuman's Drop-Shadow and
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; Seth Burgess's mkbrush scripts.
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;
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; This program is free software: you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 3 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program. If not, see <https://www.gnu.org/licenses/>.
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(define (script-fu-selection-to-brush image
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drawable
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name
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filename
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spacing)
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(let* (
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(type (car (gimp-drawable-type-with-alpha drawable)))
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(selection-bounds (gimp-selection-bounds image))
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(select-offset-x (cadr selection-bounds))
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(select-offset-y (caddr selection-bounds))
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(selection-width (- (cadr (cddr selection-bounds)) select-offset-x))
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(selection-height (- (caddr (cddr selection-bounds)) select-offset-y))
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(from-selection 0)
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(active-selection 0)
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(brush-draw-type 0)
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(brush-image-type 0)
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(brush-image 0)
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(brush-draw 0)
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(filename2 0)
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)
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(gimp-context-push)
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(gimp-context-set-defaults)
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(gimp-image-undo-disable image)
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(if (= (car (gimp-selection-is-empty image)) TRUE)
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(begin
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(gimp-image-select-item image CHANNEL-OP-REPLACE drawable)
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(set! from-selection FALSE)
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)
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(begin
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(set! from-selection TRUE)
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(set! active-selection (car (gimp-selection-save image)))
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)
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)
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(gimp-edit-copy drawable)
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(set! brush-draw-type
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(if (= type GRAYA-IMAGE)
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GRAY-IMAGE
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RGBA-IMAGE))
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(set! brush-image-type
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(if (= type GRAYA-IMAGE)
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GRAY
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RGB))
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(set! brush-image (car (gimp-image-new selection-width
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selection-height
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brush-image-type)))
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(set! brush-draw
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(car (gimp-layer-new brush-image
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selection-width
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selection-height
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brush-draw-type
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"Brush"
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100
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LAYER-MODE-NORMAL)))
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(gimp-image-insert-layer brush-image brush-draw 0 0)
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(gimp-selection-none brush-image)
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(if (= type GRAYA-IMAGE)
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(begin
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(gimp-context-set-background '(255 255 255))
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(gimp-drawable-fill brush-draw FILL-BACKGROUND))
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(gimp-drawable-fill brush-draw FILL-TRANSPARENT)
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)
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(let ((floating-sel (car (gimp-edit-paste brush-draw FALSE))))
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(gimp-floating-sel-anchor floating-sel)
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)
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(set! filename2 (string-append gimp-directory
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"/brushes/"
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filename
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(number->string image)
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".gbr"))
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(file-gbr-save 1 brush-image brush-draw filename2 "" spacing name)
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(if (= from-selection TRUE)
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(begin
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(gimp-image-select-item image CHANNEL-OP-REPLACE active-selection)
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(gimp-image-remove-channel image active-selection)
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)
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)
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(gimp-image-undo-enable image)
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(gimp-image-set-active-layer image drawable)
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(gimp-image-delete brush-image)
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(gimp-displays-flush)
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(gimp-context-pop)
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(gimp-brushes-refresh)
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(gimp-context-set-brush name)
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)
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)
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(script-fu-register "script-fu-selection-to-brush"
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_"To _Brush..."
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_"Convert a selection to a brush"
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"Adrian Likins <adrian@gimp.org>"
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"Adrian Likins"
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"10/07/97"
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"RGB* GRAY*"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-STRING _"_Brush name" "My Brush"
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SF-STRING _"_File name" "mybrush"
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SF-ADJUSTMENT _"_Spacing" '(25 0 1000 1 1 1 0)
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)
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