7cd5ffd756
2003-04-10 Sven Neumann <sven@gimp.org> * plug-ins/script-fu/interp_sliba.c * plug-ins/script-fu/scripts/selection-round.scm: applied a patch from Pedro Gimeno that adds the trunc() function to our scheme interpreter and fixes bug #109475 the right way.
132 lines
3.7 KiB
Scheme
132 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 1.02 1998/02/06
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;
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; CHANGE-LOG:
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; 1.00 - initial release
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; 1.01 - some code cleanup, no real changes
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; 1.02 - made script undoable
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;
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; Copyright (C) 1997, 1998 Sven Neumann <sven@gimp.org>
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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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(cut-radius 0)
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(ellipse-radius 0))
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(gimp-undo-push-group-start image)
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(if (> select-width select-height)
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(set! cut-radius (trunc (+ 1 (* radius (/ select-height 2)))))
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(set! cut-radius (trunc (+ 1 (* radius (/ select-width 2))))))
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(set! ellipse-radius (* cut-radius 2))
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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-undo-push-group-end 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 rectangular."
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"Sven Neumann <sven@gimp.org>"
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"Sven Neumann"
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"1998/02/06"
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"*"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-ADJUSTMENT _"Relative Radius" '(1 0 128 .1 1 1 1))
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