154 lines
3.7 KiB
Scheme
154 lines
3.7 KiB
Scheme
; The GIMP -- an 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 2 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, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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;
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;
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; selection-round.scm version 1.00 09/04/97
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;
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; Copyright (C) 1997 Sven Neumann (neumanns@uni-duesseldorf.de)
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;
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;
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; Rounds the current selection by cutting of rectangles from the edges and
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; adding circles. The relative radius describes the radius of this cricles
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; in relation to the selections width or height (depends on which of these
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; is smaller)
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(define (script-fu-selection-round image
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drawable
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radius)
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(let* ((radius (min radius 1.0))
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(radius (max radius 0.0))
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(select-bounds (gimp-selection-bounds image))
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(has-selection (car select-bounds))
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(select-x1 (cadr select-bounds))
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(select-y1 (caddr select-bounds))
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(select-x2 (cadr (cddr select-bounds)))
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(select-y2 (caddr (cddr select-bounds)))
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(select-width (- select-x2 select-x1))
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(select-height (- select-y2 select-y1)))
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(gimp-image-disable-undo image)
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(if (> select-width select-height)
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(begin
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(set! cut-radius (* radius (/ select-height 2)))
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(set! ellipse-radius (* radius select-height)))
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(begin
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(set! cut-radius (* radius (/ select-width 2)))
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(set! ellipse-radius (* radius select-width))))
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(gimp-rect-select image
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select-x1
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select-y1
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(+ cut-radius 1)
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(+ cut-radius 1)
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SUB
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FALSE 0)
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(gimp-rect-select image
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select-x1
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(- select-y2 cut-radius)
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(+ cut-radius 1)
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(+ cut-radius 1)
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SUB
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FALSE 0)
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(gimp-rect-select image
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(- select-x2 cut-radius)
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select-y1
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(+ cut-radius 1)
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(+ cut-radius 1)
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SUB
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FALSE 0)
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(gimp-rect-select image
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(- select-x2 cut-radius)
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(- select-y2 cut-radius)
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(+ cut-radius 1)
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(+ cut-radius 1)
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SUB
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FALSE 0)
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(gimp-ellipse-select image
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select-x1
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select-y1
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ellipse-radius
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ellipse-radius
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ADD
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TRUE
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FALSE 0)
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(gimp-ellipse-select image
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select-x1
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(- select-y2 ellipse-radius)
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ellipse-radius
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ellipse-radius
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ADD
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TRUE
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FALSE 0)
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(gimp-ellipse-select image
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(- select-x2 ellipse-radius)
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select-y1
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ellipse-radius
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ellipse-radius
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ADD
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TRUE
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FALSE 0)
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(gimp-ellipse-select image
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(- select-x2 ellipse-radius)
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(- select-y2 ellipse-radius)
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ellipse-radius
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ellipse-radius
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ADD
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TRUE
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FALSE 0)
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(gimp-image-enable-undo image)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-selection-round"
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"<Image>/Script-Fu/Selection/Round"
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"Rounds the active selection. The selection should be
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rectangular."
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"Sven Neumann (neumanns@uni-duesseldorf.de)"
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"Sven Neumann"
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"09/04/97"
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"RGB RGBA GRAY GRAYA INDEXED INDEXEDA"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-VALUE "Relative Radius" "1.0")
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