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fb84b9eba7
Since we renamed a bunch of functions for consistency (the like of gimp_image_width() to gimp_image_get_width() and others), most Scheme scripts ended up broken. This is a simple bash fix with `sed` to at least take care of these simple renaming cases. Many scripts are still broken for other reasons after our API evolution (to be continued).
94 lines
3.5 KiB
Scheme
94 lines
3.5 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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; 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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; 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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(define (script-fu-util-image-resize-from-layer image layer)
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(let* (
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(width (car (gimp-drawable-get-width layer)))
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(height (car (gimp-drawable-get-height layer)))
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(posx (- (car (gimp-drawable-get-offsets layer))))
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(posy (- (cadr (gimp-drawable-get-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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; 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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(gimp-image-insert-layer image layer 0 -1)
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(gimp-image-lower-item image layer)
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)
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)
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)
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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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; 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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;
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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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; gimp -i -b '(with-files "*.png" (gimp-drawable-invert layer FALSE) \
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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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; gimp -i -b '(with-files "*.png" (gimp-drawable-invert layer FALSE) \
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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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(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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(let* ((filename (car ,filenames))
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(image (catch #f (car (gimp-file-load RUN-NONINTERACTIVE
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filename
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filename ))))
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(layer (if image (car (gimp-image-get-active-layer image)) #f))
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(basename (unbreakupstr (butlast (strbreakup filename ".")) ".")))
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(when image
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,@body
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(gimp-image-delete image)))
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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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