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GIMP Script-Fu Script | 1999-07-21 | 3.4 KB | 81 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.
- ;
- ; chalk.scm version 0.11 10/10/97
- ;
- ; Copyright (C) 1997 Manish Singh <msingh@uclink4.berkeley.edu>
- ;
- ; Makes a logo with a chalk-like text effect.
-
- (define (script-fu-chalk-logo text size font bg-color chalk-color)
- (let* ((img (car (gimp-image-new 256 256 RGB)))
- (border (/ size 4))
- (text-layer (car (gimp-text img -1 0 0 text border TRUE size PIXELS "*" font "*" "*" "*" "*")))
- (width (car (gimp-drawable-width text-layer)))
- (height (car (gimp-drawable-height text-layer)))
- (bg-layer (car (gimp-layer-new img width height RGB_IMAGE "Background" 100 NORMAL)))
- (old-fg (car (gimp-palette-get-foreground)))
- (old-bg (car (gimp-palette-get-background))))
-
- (gimp-image-disable-undo img)
- (gimp-image-resize img width height 0 0)
-
- (gimp-image-add-layer img bg-layer 1)
- (gimp-palette-set-background bg-color)
- (gimp-edit-fill img bg-layer)
- (gimp-edit-clear img text-layer)
-
- ; is there any other way to do this?
- ; the sobel edge detect won't work with the methods in other scripts
- (gimp-palette-set-foreground chalk-color)
- (set! float-layer (car (gimp-text img text-layer 0 0 text border TRUE size PIXELS "*" font "*" "*" "*" "*")))
- (gimp-floating-sel-anchor float-layer)
-
- ; the actual effect
- (plug-in-gauss-rle 1 img text-layer 2.0 1 1)
- (plug-in-spread 1 img text-layer 5.0 5.0)
- (plug-in-ripple 1 img text-layer 27 2 0 0 0 TRUE TRUE)
- (plug-in-ripple 1 img text-layer 27 2 1 0 0 TRUE TRUE)
- (plug-in-sobel 1 img text-layer TRUE TRUE TRUE)
- (gimp-levels img text-layer 0 0 120 3.5 0 255)
-
- ; work-around for sobel edge detect screw-up (why does this happen?)
- ; the top line of the image has some garbage instead of the bgcolor
- (gimp-rect-select img 0 0 width 1 ADD FALSE 0)
- (gimp-edit-clear img text-layer)
- (gimp-selection-none img)
-
- (gimp-layer-set-preserve-trans text-layer TRUE)
- (gimp-layer-set-name text-layer text)
- (gimp-palette-set-background old-bg)
- (gimp-palette-set-foreground old-fg)
- (gimp-image-enable-undo img)
- (gimp-display-new img)))
-
- (script-fu-register "script-fu-chalk-logo"
- "<Toolbox>/Xtns/Script-Fu/Logos/Chalk"
- "Chalk scribbled logos"
- "Manish Singh <msingh@uclink4.berkeley.edu>"
- "Manish Singh"
- "October 1997"
- ""
- SF-VALUE "Text String" "\"CHALK\""
- SF-VALUE "Font Size (in pixels)" "150"
- SF-VALUE "Font" "\"Cooper\""
- SF-COLOR "Background Color" '(0 0 0)
- SF-COLOR "Chalk Color" '(255 255 255))
-