On Thu, 2004-01-22 at 16:29, Simon Budig wrote:
> Jeff Trefftzs ([EMAIL PROTECTED]) wrote:
> > I've been trying to port one of my scheme scripts to 2.0pre2 and have
> > discovered what I think is a bug. Before I battle with bugzilla, would
> > someone try to reproduce it?
>
> Not until you provide the script :)
>
Herewith:
;;;
;;; pencil-sketch.scm
;;;
;;;
;;; Jeff Trefftzs <[EMAIL PROTECTED]>
;;; 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.
;;; Changelog:
;;; 020113 - Version 1.1. Added multiple choice for edge detection
;;; 020113 - Version 1.01. Fixed mask texture bug.
;;; 020113 - Version 1.0. Initial Release.
;;; Define the function:
(define (script-fu-pencil-sketch inImage inLayer
inWeight
inDark
inMono
inEdges
inMaskPat
inTextToggle
inTexture)
(let*
(
(WhiteLayer (car (gimp-layer-copy inLayer TRUE)))
(MaskedLayer (car (gimp-layer-copy inLayer TRUE)))
(EdgeLayer (car (gimp-layer-copy inLayer TRUE)))
(LayerMask (car (gimp-layer-create-mask MaskedLayer 0)))
)
(gimp-image-undo-group-start inImage) ; changed for 1.3/2.0
(gimp-image-add-layer inImage WhiteLayer -1)
(gimp-image-add-layer inImage MaskedLayer -1)
(gimp-image-add-layer inImage EdgeLayer -1)
(gimp-drawable-set-name WhiteLayer "Paper Layer") ; changed for
1.3/2.0
(gimp-drawable-set-name MaskedLayer "Copy with layer mask")
(gimp-drawable-set-name EdgeLayer "Edges from original image")
;; Real work goes in here
(gimp-drawable-fill WhiteLayer WHITE-IMAGE-FILL) ; Fill the white
layer
(if (> inTextToggle 0)
(begin
(gimp-patterns-set-pattern inTexture)
(gimp-edit-bucket-fill WhiteLayer PATTERN-BUCKET-FILL NORMAL-MODE
100 0 FALSE 0 0) ; changed for 1.3/2.0
)
)
;; Create the layer mask and put the paper pattern in it.
(gimp-layer-add-mask MaskedLayer LayerMask) ; changed for 1.3/2.0
(gimp-image-set-active-channel inImage LayerMask)
(gimp-patterns-set-pattern inMaskPat)
(gimp-bucket-fill LayerMask PATTERN-BUCKET-FILL NORMAL-MODE
100 ; opacity
0 ; threshold
FALSE ; no sample-merged
0 0) ; X, Y coords
(gimp-image-unset-active-channel inImage) ; finished with it
;; Now find the edges
(gimp-image-set-active-layer inImage EdgeLayer)
;; Edge Detection Here
(cond ((= inEdges 0); Laplacian edges
(plug-in-gauss-iir TRUE inImage EdgeLayer inWeight TRUE TRUE)
(plug-in-laplace TRUE inImage EdgeLayer))
((= inEdges 1); Sobel Edges
(plug-in-sobel TRUE inImage EdgeLayer TRUE TRUE TRUE))
;; Synthetic Edges here - Include desaturate if needed
((= inEdges 2); Synthetic Edges
(set! tmplayer (car (gimp-layer-copy EdgeLayer TRUE)))
(gimp-image-add-layer inImage tmplayer -1)
(gimp-layer-set-mode tmplayer DIVIDE-MODE)
(plug-in-gauss-iir TRUE inImage tmplayer inWeight TRUE TRUE)
(set! EdgeLayer
(car (gimp-image-merge-down inImage tmplayer
EXPAND-AS-NECESSARY)))
(gimp-levels EdgeLayer VALUE-LUT
inDark ; low input
255 ; high input
1.0 ; gamma
0 255) ; output
;; Desaturate if needed
(if (= inMono TRUE)
(gimp-desaturate EdgeLayer)
)
)
) ; end cond
(gimp-layer-set-mode EdgeLayer DARKEN-ONLY-MODE) ; in case white bg
(gimp-image-set-active-layer inImage inLayer)
(gimp-undo-push-group-end inImage)
(gimp-displays-flush)
)
)
(script-fu-register
"script-fu-pencil-sketch"
_"/Script-Fu/Alchemy/Pencil Sketch..."
"Creates an
