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-rw-r--r--plug-ins/script-fu/scripts/mkbrush.scm272
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+; GIMP - The GNU Image Manipulation Program
+; Copyright (C) 1995 Spencer Kimball and Peter Mattis
+;
+; Make-Brush - a script for the script-fu program
+; by Seth Burgess 1997 <sjburges@ou.edu>
+;
+; 18-Dec-2000 fixed to work with the new convention (not inverted) of
+; gbr saver (jtl@gimp.org)
+;
+; 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/>.
+
+
+(define (script-fu-make-brush-rectangular name width height spacing)
+ (let* (
+ (img (car (gimp-image-new width height GRAY)))
+ (drawable (car (gimp-layer-new img
+ width height GRAY-IMAGE
+ "MakeBrush" 100 LAYER-MODE-NORMAL)))
+ (filename (string-append gimp-directory
+ "/brushes/r"
+ (number->string width)
+ "x"
+ (number->string height)
+ ".gbr"))
+ )
+
+ (gimp-context-push)
+ (gimp-context-set-defaults)
+
+ (gimp-image-undo-disable img)
+ (gimp-image-insert-layer img drawable 0 0)
+
+ (gimp-context-set-background '(255 255 255))
+ (gimp-drawable-fill drawable FILL-BACKGROUND)
+
+ (gimp-image-select-rectangle img CHANNEL-OP-REPLACE 0 0 width height)
+
+ (gimp-context-set-background '(0 0 0))
+ (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+
+ (file-gbr-save 1 img drawable filename filename spacing name)
+ (gimp-image-delete img)
+
+ (gimp-context-pop)
+
+ (gimp-brushes-refresh)
+ (gimp-context-set-brush name)
+ )
+)
+
+(script-fu-register "script-fu-make-brush-rectangular"
+ _"_Rectangular..."
+ _"Create a rectangular brush"
+ "Seth Burgess <sjburges@ou.edu>"
+ "Seth Burgess"
+ "1997"
+ ""
+ SF-STRING _"Name" "Rectangle"
+ SF-ADJUSTMENT _"Width" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Height" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Spacing" '(25 1 100 1 10 1 0)
+)
+
+(script-fu-menu-register "script-fu-make-brush-rectangular"
+ "<Brushes>")
+
+
+(define (script-fu-make-brush-rectangular-feathered name width height
+ feathering spacing)
+ (let* (
+ (widthplus (+ width feathering))
+ (heightplus (+ height feathering))
+ (img (car (gimp-image-new widthplus heightplus GRAY)))
+ (drawable (car (gimp-layer-new img
+ widthplus heightplus GRAY-IMAGE
+ "MakeBrush" 100 LAYER-MODE-NORMAL)))
+ (filename (string-append gimp-directory
+ "/brushes/r"
+ (number->string width)
+ "x"
+ (number->string height)
+ "f"
+ (number->string feathering)
+ ".gbr"))
+ )
+
+ (gimp-context-push)
+ (gimp-context-set-paint-mode LAYER-MODE-NORMAL)
+ (gimp-context-set-opacity 100.0)
+
+ (gimp-image-undo-disable img)
+ (gimp-image-insert-layer img drawable 0 0)
+
+ (gimp-context-set-background '(255 255 255))
+ (gimp-drawable-fill drawable FILL-BACKGROUND)
+
+ (cond
+ ((< 0 feathering)
+ (gimp-context-set-feather TRUE)
+ (gimp-context-set-feather-radius feathering feathering)
+ (gimp-image-select-rectangle img CHANNEL-OP-REPLACE
+ (/ feathering 2) (/ feathering 2) width height))
+ ((>= 0 feathering)
+ (gimp-context-set-feather FALSE)
+ (gimp-image-select-rectangle img CHANNEL-OP-REPLACE 0 0 width height))
+ )
+
+ (gimp-context-set-background '(0 0 0))
+ (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+
+ (file-gbr-save 1 img drawable filename filename spacing name)
+ (gimp-image-delete img)
+
+ (gimp-context-pop)
+
+ (gimp-brushes-refresh)
+ (gimp-context-set-brush name)
+ )
+)
+
+(script-fu-register "script-fu-make-brush-rectangular-feathered"
+ _"Re_ctangular, Feathered..."
+ _"Create a rectangular brush with feathered edges"
+ "Seth Burgess <sjburges@ou.edu>"
+ "Seth Burgess"
+ "1997"
+ ""
+ SF-STRING _"Name" "Rectangle"
+ SF-ADJUSTMENT _"Width" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Height" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Feathering" '(4 1 100 1 10 0 1)
+ SF-ADJUSTMENT _"Spacing" '(25 1 100 1 10 1 0)
+)
+
+(script-fu-menu-register "script-fu-make-brush-rectangular-feathered"
+ "<Brushes>")
+
+
+(define (script-fu-make-brush-elliptical name width height spacing)
+ (let* (
+ (img (car (gimp-image-new width height GRAY)))
+ (drawable (car (gimp-layer-new img
+ width height GRAY-IMAGE
+ "MakeBrush" 100 LAYER-MODE-NORMAL)))
+ (filename (string-append gimp-directory
+ "/brushes/e"
+ (number->string width)
+ "x"
+ (number->string height)
+ ".gbr"))
+ )
+
+ (gimp-context-push)
+ (gimp-context-set-antialias TRUE)
+ (gimp-context-set-feather FALSE)
+
+ (gimp-image-undo-disable img)
+ (gimp-image-insert-layer img drawable 0 0)
+
+ (gimp-context-set-background '(255 255 255))
+ (gimp-drawable-fill drawable FILL-BACKGROUND)
+ (gimp-context-set-background '(0 0 0))
+ (gimp-image-select-ellipse img CHANNEL-OP-REPLACE 0 0 width height)
+
+ (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+
+ (file-gbr-save 1 img drawable filename filename spacing name)
+ (gimp-image-delete img)
+
+ (gimp-context-pop)
+
+ (gimp-brushes-refresh)
+ (gimp-context-set-brush name)
+ )
+)
+
+(script-fu-register "script-fu-make-brush-elliptical"
+ _"_Elliptical..."
+ _"Create an elliptical brush"
+ "Seth Burgess <sjburges@ou.edu>"
+ "Seth Burgess"
+ "1997"
+ ""
+ SF-STRING _"Name" "Ellipse"
+ SF-ADJUSTMENT _"Width" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Height" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Spacing" '(25 1 100 1 10 1 0)
+)
+
+(script-fu-menu-register "script-fu-make-brush-elliptical"
+ "<Brushes>")
+
+
+(define (script-fu-make-brush-elliptical-feathered name
+ width height
+ feathering spacing)
+ (let* (
+ (widthplus (+ feathering width)) ; add 3 for blurring
+ (heightplus (+ feathering height))
+ (img (car (gimp-image-new widthplus heightplus GRAY)))
+ (drawable (car (gimp-layer-new img
+ widthplus heightplus GRAY-IMAGE
+ "MakeBrush" 100 LAYER-MODE-NORMAL)))
+ (filename (string-append gimp-directory
+ "/brushes/e"
+ (number->string width)
+ "x"
+ (number->string height)
+ "f"
+ (number->string feathering)
+ ".gbr"))
+ )
+
+ (gimp-context-push)
+ (gimp-context-set-antialias TRUE)
+
+ (gimp-image-undo-disable img)
+ (gimp-image-insert-layer img drawable 0 0)
+
+ (gimp-context-set-background '(255 255 255))
+ (gimp-drawable-fill drawable FILL-BACKGROUND)
+
+ (cond ((> feathering 0) ; keep from taking out gimp with stupid entry.
+ (gimp-context-set-feather TRUE)
+ (gimp-context-set-feather-radius feathering feathering)
+ (gimp-image-select-ellipse img CHANNEL-OP-REPLACE
+ (/ feathering 2) (/ feathering 2)
+ width height))
+ ((<= feathering 0)
+ (gimp-context-set-feather FALSE)
+ (gimp-image-select-ellipse img CHANNEL-OP-REPLACE 0 0 width height)))
+
+ (gimp-context-set-background '(0 0 0))
+ (gimp-drawable-edit-fill drawable FILL-BACKGROUND)
+
+ (file-gbr-save 1 img drawable filename filename spacing name)
+ (gimp-image-delete img)
+
+ (gimp-context-pop)
+
+ (gimp-brushes-refresh)
+ (gimp-context-set-brush name)
+ )
+)
+
+(script-fu-register "script-fu-make-brush-elliptical-feathered"
+ _"Elli_ptical, Feathered..."
+ _"Create an elliptical brush with feathered edges"
+ "Seth Burgess <sjburges@ou.edu>"
+ "Seth Burgess"
+ "1997"
+ ""
+ SF-STRING _"Name" "Ellipse"
+ SF-ADJUSTMENT _"Width" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Height" '(20 1 200 1 10 0 1)
+ SF-ADJUSTMENT _"Feathering" '(4 1 100 1 10 0 1)
+ SF-ADJUSTMENT _"Spacing" '(25 1 100 1 10 1 0)
+)
+
+(script-fu-menu-register "script-fu-make-brush-elliptical-feathered"
+ "<Brushes>")
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