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