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applied slightly modified patch from Aurimas Ju?ka which fixes bug #167260 

2007-04-17  Sven Neumann  <sven@gimp.org>

	* plug-ins/script-fu/scripts/neon-logo.scm: applied slightly
	modified patch from Aurimas Ju?ka which fixes bug #167260 by not
	allowing the selection to shrink too much.


svn path=/trunk/; revision=22263
This commit is contained in:
Sven Neumann 2007-04-17 15:15:07 +00:00 committed by Sven Neumann
parent e198e7cba3
commit ef339861d7
2 changed files with 66 additions and 10 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2007-04-17 Sven Neumann <sven@gimp.org>
* plug-ins/script-fu/scripts/neon-logo.scm: applied slightly
modified patch from Aurimas Juška which fixes bug #167260 by not
allowing the selection to shrink too much.
2007-04-17 Michael Natterer <mitch@gimp.org>
* app/config/gimprc.c

70
plug-ins/script-fu/scripts/neon-logo.scm
View File

@ -1,5 +1,22 @@
; NEON
; Create a text effect that simulates neon lighting
; GIMP - The GNU 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.
;
; NEON
; Create a text effect that simulates neon lighting
(define (apply-neon-logo-effect img
tube-layer
@ -56,9 +73,12 @@
0
(begin
(cond
((= max-val R) (set! hue (/ (- G B) (* 1.0 delta))))
((= max-val G) (set! hue (+ 2 (/ (- B R) (* 1.0 delta)))))
((= max-val B) (set! hue (+ 4 (/ (- R G) (* 1.0 delta)))))
((= max-val R)
(set! hue (/ (- G B) (* 1.0 delta))))
((= max-val G)
(set! hue (+ 2 (/ (- B R) (* 1.0 delta)))))
((= max-val B)
(set! hue (+ 4 (/ (- R G) (* 1.0 delta)))))
)
(set! hue (* hue 60))
(if (< hue 0) (set! hue (+ hue 360)))
@ -84,16 +104,44 @@
(shadow-offy (/ size 10))
(width (car (gimp-drawable-width tube-layer)))
(height (car (gimp-drawable-height tube-layer)))
(glow-layer (car (gimp-layer-new img width height RGBA-IMAGE "Neon Glow" 100 NORMAL-MODE)))
(bg-layer (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
(glow-layer (car (gimp-layer-new img width height RGBA-IMAGE
"Neon Glow" 100 NORMAL-MODE)))
(bg-layer (car (gimp-layer-new img width height RGB-IMAGE
"Background" 100 NORMAL-MODE)))
(shadow-layer (if (= shadow TRUE)
(car (gimp-layer-new img width height RGBA-IMAGE "Shadow" 100 NORMAL-MODE))
(car (gimp-layer-new img width height RGBA-IMAGE
"Shadow" 100 NORMAL-MODE))
0))
(selection 0)
(max_shrink 0)
)
(gimp-context-push)
; ensure that we don't shrink selection so much
; that we create an empty selection.
(gimp-selection-layer-alpha tube-layer)
(while (= (car (gimp-selection-is-empty img)) FALSE)
(begin
(gimp-selection-shrink img 1)
(set! max_shrink (+ max_shrink 1))
; escape early if we know that we can perform
; as much shrink steps as we want
(if (> max_shrink shrink)
(gimp-selection-none img))
)
)
(if (= (car (gimp-selection-is-empty img)) TRUE)
(if (> max_shrink 0)
(set! max_shrink (- max_shrink 1))))
; clamp upper bounds to valid shrink step range
(if (> shrink max_shrink)
(set! shrink max_shrink))
(if (> inc-shrink (/ max_shrink 3))
(set! inc-shrink (/ max_shrink 3)))
(if (> shadow-shrink max_shrink)
(set! shadow-shrink max_shrink))
(script-fu-util-image-resize-from-layer img tube-layer)
(gimp-image-add-layer img bg-layer 1)
(if (not (= shadow 0))
@ -122,9 +170,11 @@
(gimp-edit-clear tube-layer)
(gimp-selection-none img)
(if (not (= feather1 0)) (plug-in-gauss-rle 1 img tube-layer feather1 TRUE TRUE))
(if (not (= feather1 0))
(plug-in-gauss-rle 1 img tube-layer feather1 TRUE TRUE))
(gimp-selection-load selection)
(if (not (= feather2 0)) (plug-in-gauss-rle 1 img tube-layer feather2 TRUE TRUE))
(if (not (= feather2 0))
(plug-in-gauss-rle 1 img tube-layer feather2 TRUE TRUE))
(gimp-selection-feather img inc-shrink)
(gimp-selection-shrink img inc-shrink)