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GIMP Script-Fu Script | 2000-12-27 | 3.9 KB | 135 lines |
- ; The GIMP -- an image manipulation program
- ; Copyright (C) 1995 Spencer Kimball and Peter Mattis
- ;
- ; 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 2 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, write to the Free Software
- ; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- ;
- ;
- ; selection-round.scm version 1.02 1998/02/06
- ;
- ; CHANGE-LOG:
- ; 1.00 - initial release
- ; 1.01 - some code cleanup, no real changes
- ; 1.02 - made script undoable
- ;
- ; Copyright (C) 1997, 1998 Sven Neumann <sven@gimp.org>
- ;
- ;
- ; Rounds the current selection by cutting of rectangles from the edges and
- ; adding circles. The relative radius describes the radius of this cricles
- ; in relation to the selections width or height (depends on which of these
- ; is smaller)
-
- (define (script-fu-selection-round image
- drawable
- radius)
-
- (let* ((radius (min radius 1.0))
- (radius (max radius 0.0))
- (select-bounds (gimp-selection-bounds image))
- (has-selection (car select-bounds))
- (select-x1 (cadr select-bounds))
- (select-y1 (caddr select-bounds))
- (select-x2 (cadr (cddr select-bounds)))
- (select-y2 (caddr (cddr select-bounds)))
- (select-width (- select-x2 select-x1))
- (select-height (- select-y2 select-y1))
- (cut-radius 0)
- (ellipse-radius 0))
-
- (gimp-undo-push-group-start image)
-
- (if (> select-width select-height)
- (begin
- (set! cut-radius (* radius (/ select-height 2)))
- (set! ellipse-radius (* radius select-height)))
- (begin
- (set! cut-radius (* radius (/ select-width 2)))
- (set! ellipse-radius (* radius select-width))))
- (gimp-rect-select image
- select-x1
- select-y1
- (+ cut-radius 1)
- (+ cut-radius 1)
- SUB
- FALSE 0)
- (gimp-rect-select image
- select-x1
- (- select-y2 cut-radius)
- (+ cut-radius 1)
- (+ cut-radius 1)
- SUB
- FALSE 0)
- (gimp-rect-select image
- (- select-x2 cut-radius)
- select-y1
- (+ cut-radius 1)
- (+ cut-radius 1)
- SUB
- FALSE 0)
- (gimp-rect-select image
- (- select-x2 cut-radius)
- (- select-y2 cut-radius)
- (+ cut-radius 1)
- (+ cut-radius 1)
- SUB
- FALSE 0)
- (gimp-ellipse-select image
- select-x1
- select-y1
- ellipse-radius
- ellipse-radius
- ADD
- TRUE
- FALSE 0)
- (gimp-ellipse-select image
- select-x1
- (- select-y2 ellipse-radius)
- ellipse-radius
- ellipse-radius
- ADD
- TRUE
- FALSE 0)
- (gimp-ellipse-select image
- (- select-x2 ellipse-radius)
- select-y1
- ellipse-radius
- ellipse-radius
- ADD
- TRUE
- FALSE 0)
- (gimp-ellipse-select image
- (- select-x2 ellipse-radius)
- (- select-y2 ellipse-radius)
- ellipse-radius
- ellipse-radius
- ADD
- TRUE
- FALSE 0)
-
- (gimp-undo-push-group-end image)
- (gimp-displays-flush)))
-
-
- (script-fu-register "script-fu-selection-round"
- _"<Image>/Script-Fu/Selection/Round..."
- "Rounds the active selection. The selection should be rectangular."
- "Sven Neumann <sven@gimp.org>"
- "Sven Neumann"
- "1998/02/06"
- "*"
- SF-IMAGE "Image" 0
- SF-DRAWABLE "Drawable" 0
- SF-ADJUSTMENT _"Relative Radius" '(1 0 128 .1 1 1 1))
-