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GIMP Script-Fu Script | 2005-06-30 | 4.2 KB | 120 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 (apply-chalk-logo-effect img
- logo-layer
- bg-color)
- (let* ((width (car (gimp-drawable-width logo-layer)))
- (height (car (gimp-drawable-height logo-layer)))
- (bg-layer (car (gimp-layer-new img
- width height RGB-IMAGE
- "Background" 100 NORMAL-MODE))))
-
- (gimp-context-push)
-
- (gimp-selection-none img)
- (script-fu-util-image-resize-from-layer img logo-layer)
- (gimp-image-add-layer img bg-layer 1)
- (gimp-context-set-background bg-color)
- (gimp-edit-fill bg-layer BACKGROUND-FILL)
-
- ; the actual effect
- (gimp-layer-set-preserve-trans logo-layer FALSE)
- (plug-in-gauss-rle 1 img logo-layer 2.0 1 1)
- (plug-in-spread 1 img logo-layer 5.0 5.0)
- (plug-in-ripple 1 img logo-layer 27 2 0 0 0 TRUE TRUE)
- (plug-in-ripple 1 img logo-layer 27 2 1 0 0 TRUE TRUE)
- (plug-in-sobel 1 img logo-layer TRUE TRUE TRUE)
- (gimp-levels logo-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 CHANNEL-OP-ADD FALSE 0)
- (gimp-edit-clear logo-layer)
- (gimp-selection-none img)
-
- (gimp-context-pop)))
-
-
- (define (script-fu-chalk-logo-alpha img
- logo-layer
- bg-color)
- (begin
- (gimp-image-undo-group-start img)
- (apply-chalk-logo-effect img logo-layer bg-color)
- (gimp-image-undo-group-end img)
- (gimp-displays-flush)))
-
- (script-fu-register "script-fu-chalk-logo-alpha"
- _"_Chalk..."
- "Chalk scribbled logos"
- "Manish Singh <msingh@uclink4.berkeley.edu>"
- "Manish Singh"
- "October 1997"
- "RGBA"
- SF-IMAGE "Image" 0
- SF-DRAWABLE "Drawable" 0
- SF-COLOR _"Background color" '(0 0 0))
-
- (script-fu-menu-register "script-fu-chalk-logo-alpha"
- _"<Image>/Script-Fu/Alpha to Logo")
-
-
- (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-fontname img -1 0 0 text border TRUE size PIXELS font))))
-
- (gimp-context-push)
-
- (gimp-image-undo-disable img)
- (gimp-drawable-set-name text-layer text)
- (gimp-context-set-foreground chalk-color)
- (gimp-layer-set-preserve-trans text-layer TRUE)
- (gimp-edit-fill text-layer FOREGROUND-FILL)
- (apply-chalk-logo-effect img text-layer bg-color)
- (gimp-image-undo-enable img)
- (gimp-display-new img)
-
- (gimp-context-pop)))
-
- (script-fu-register "script-fu-chalk-logo"
- _"_Chalk..."
- "Chalk scribbled logos"
- "Manish Singh <msingh@uclink4.berkeley.edu>"
- "Manish Singh"
- "October 1997"
- ""
- SF-STRING _"Text" "CHALK"
- SF-ADJUSTMENT _"Font size (pixels)" '(150 2 1000 1 10 0 1)
- SF-FONT _"Font" "Cooper"
- SF-COLOR _"Background color" '(0 0 0)
- SF-COLOR _"Chalk color" '(255 255 255))
-
- (script-fu-menu-register "script-fu-chalk-logo"
- _"<Toolbox>/Xtns/Script-Fu/Logos")
-