2006-12-09 21:33:38 +00:00
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; GIMP - The GNU Image Manipulation Program
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2003-02-27 17:04:04 +00:00
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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2009-01-17 22:28:01 +00:00
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; This program is free software: you can redistribute it and/or modify
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2003-02-27 17:04:04 +00:00
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; it under the terms of the GNU General Public License as published by
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2009-01-17 22:28:01 +00:00
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; the Free Software Foundation; either version 3 of the License, or
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2003-02-27 17:04:04 +00:00
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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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2009-01-17 22:28:01 +00:00
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; along with this program. If not, see <http://www.gnu.org/licenses/>.
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2003-02-27 17:04:04 +00:00
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; Resizes the image so as to include the selected layer.
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; The resulting image has the selected layer size.
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; Copyright (C) 2002 Chauk-Mean PROUM
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;
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2006-10-16 01:08:54 +00:00
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(define (script-fu-util-image-resize-from-layer image layer)
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(let* (
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(width (car (gimp-drawable-width layer)))
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(height (car (gimp-drawable-height layer)))
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(posx (- (car (gimp-drawable-offsets layer))))
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(posy (- (cadr (gimp-drawable-offsets layer))))
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)
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(gimp-image-resize image width height posx posy)
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)
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)
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2008-04-12 10:45:42 +00:00
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; Add the specified layers to the image.
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; The layers will be added in the given order below the
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; active layer.
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;
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(define (script-fu-util-image-add-layers image . layers)
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(while (not (null? layers))
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(let ((layer (car layers)))
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(set! layers (cdr layers))
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2011-03-02 02:55:43 -05:00
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(gimp-image-insert-layer image layer 0 -1)
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2011-10-30 02:37:26 -04:00
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(gimp-image-lower-item image layer)
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2008-04-12 10:45:42 +00:00
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)
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)
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)
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2014-03-23 20:36:06 -04:00
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; Allow command line usage of GIMP such as:
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;
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; gimp -i -b '(with-files "*.png" <body>)'
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;
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; where <body> is the code that handles whatever processing you want to
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2016-05-30 19:20:50 +02:00
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; perform on the files. There are four variables that are available
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; within the <body>: 'basename', 'image', 'filename' and 'layer'.
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; The 'basename' is the name of the file with its extension removed,
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; while the other three variables are self-explanatory.
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; You basically write your code as though it were processing a single
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; 'image' and the 'with-files' macro applies it to all of the files
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; matching the pattern.
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2014-03-23 20:36:06 -04:00
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;
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; For example, to invert the colors of all of the PNG files in the
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; start directory:
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;
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2017-09-03 21:28:47 +02:00
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; gimp -i -b '(with-files "*.png" (gimp-drawable-invert layer FALSE) \
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2016-05-30 19:20:50 +02:00
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; (gimp-file-save 1 image layer filename filename ))'
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;
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; To do the same thing, but saving them as jpeg instead:
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;
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2017-09-03 21:28:47 +02:00
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; gimp -i -b '(with-files "*.png" (gimp-drawable-invert layer FALSE) \
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2016-05-30 19:20:50 +02:00
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; (gimp-file-save 1 image layer \
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; (string-append basename ".jpg") \
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; (string-append basename ".jpg") ))'
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2014-03-23 20:36:06 -04:00
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(define-macro (with-files pattern . body)
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(let ((loop (gensym))
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(filenames (gensym))
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(filename (gensym)))
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`(begin
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(let ,loop ((,filenames (cadr (file-glob ,pattern 1))))
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(unless (null? ,filenames)
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2016-05-30 19:20:50 +02:00
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(let* ((filename (car ,filenames))
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2014-03-23 20:36:06 -04:00
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(image (catch #f (car (gimp-file-load RUN-NONINTERACTIVE
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2016-05-30 19:20:50 +02:00
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filename
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filename ))))
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2014-03-23 20:36:06 -04:00
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(layer (if image (car (gimp-image-get-active-layer image)) #f))
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2016-05-30 19:20:50 +02:00
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(basename (unbreakupstr (butlast (strbreakup filename ".")) ".")))
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2014-03-23 20:36:06 -04:00
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(when image
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,@body
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(gimp-image-delete image)))
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2016-05-30 18:55:37 +02:00
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(,loop (cdr ,filenames))
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)
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)
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)
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)
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)
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