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GIMP Script-Fu Script | 2005-06-30 | 5.6 KB | 167 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.
- ;
- ; Truchet - a script to create Truchet patterns
- ; by Adrian Likins <aklikins@eos.ncsu.edu>
- ; http://www4.ncsu.edu/~aklikins/
- ; version about .8 give or take
- ;
- ; Lots of thanks to Quartic for his help.
- ;
- ;
- ; The utility of this script is left as an exercise for the reader.
-
- (define (center-ellipse img cx cy rx ry op aa feather frad)
- (gimp-ellipse-select img (- cx rx) (- cy ry) (+ rx rx ) (+ ry ry ) op aa feather frad))
-
- (define (use-tiles img drawable height width img2 drawable2 xoffset yoffset)
- (gimp-edit-copy drawable2)
- (let ((floating-sel (car (gimp-edit-paste drawable FALSE))))
- (gimp-layer-set-offsets floating-sel xoffset yoffset)
- (gimp-floating-sel-anchor floating-sel)
- )
- )
-
-
- (define (create-tiles img drawable1 drawable2 size thickness backcolor forecolor)
- (let* (
- (half-thickness (/ thickness 2))
- (outer-radius (+ (/ size 2) half-thickness))
- (inner-radius (- (/ size 2) half-thickness))
- )
-
- (gimp-selection-all img)
- (gimp-context-set-background backcolor)
- (gimp-edit-fill drawable1 BACKGROUND-FILL)
-
- (let* (
- (tempSize (* size 3))
- (temp-img (car (gimp-image-new tempSize tempSize RGB)))
- (temp-draw (car (gimp-layer-new temp-img tempSize tempSize RGB-IMAGE "Jabar" 100 NORMAL-MODE)))
- )
- (gimp-image-undo-disable temp-img)
- (gimp-image-add-layer temp-img temp-draw 0)
- (gimp-context-set-background backcolor)
- (gimp-edit-fill temp-draw BACKGROUND-FILL)
-
-
- (center-ellipse temp-img size size outer-radius outer-radius CHANNEL-OP-REPLACE TRUE FALSE 0)
- (center-ellipse temp-img size size inner-radius inner-radius CHANNEL-OP-SUBTRACT TRUE FALSE 0)
-
- (center-ellipse temp-img (* size 2) (* size 2) outer-radius outer-radius CHANNEL-OP-ADD TRUE FALSE 0)
- (center-ellipse temp-img (* size 2) (* size 2) inner-radius inner-radius CHANNEL-OP-SUBTRACT TRUE FALSE 0)
- (gimp-context-set-background forecolor)
- (gimp-edit-fill temp-draw BACKGROUND-FILL)
-
- (gimp-selection-none temp-img)
-
- (gimp-image-resize temp-img size size (- size) (- size))
- ; woo hoo it works....finally...
-
-
- (gimp-selection-all temp-img)
- (gimp-edit-copy temp-draw)
- (let ((floating-sel (car (gimp-edit-paste drawable2 FALSE))))
- (gimp-floating-sel-anchor floating-sel))
-
-
- (let ((floating-sel (car (gimp-edit-paste drawable1 FALSE))))
- (gimp-floating-sel-anchor floating-sel))
-
- (let ((drawble (car (gimp-drawable-transform-flip-simple drawable1
- ORIENTATION-VERTICAL
- TRUE 0 TRUE)))))
-
-
- ;(gimp-display-new temp-img)
- (gimp-image-delete temp-img)
- )
- )
- )
-
-
- (define (script-fu-truchet size thickness backcolor forecolor xtiles ytiles)
- (let* (
- (width (* size xtiles))
- (height (* size ytiles))
- (img (car (gimp-image-new width height RGB)))
- (tile (car (gimp-image-new size size RGB)))
- (layer-one (car (gimp-layer-new img width height
- RGB-IMAGE "Rambis" 100 NORMAL-MODE)))
- (tiledraw1 (car (gimp-layer-new tile size size
- RGB-IMAGE "Johnson" 100 NORMAL-MODE)))
- (tiledraw2 (car (gimp-layer-new tile size size
- RGB-IMAGE "Cooper" 100 NORMAL-MODE)))
- (Xindex 0)
- (Yindex 0))
-
- (gimp-context-push)
-
- (gimp-image-undo-disable img)
- (gimp-image-undo-disable tile)
-
- (gimp-image-add-layer img layer-one 0)
- (gimp-image-add-layer tile tiledraw1 0)
- (gimp-image-add-layer tile tiledraw2 0)
-
-
- ;just to look a little better
- (gimp-selection-all img)
- (gimp-context-set-background backcolor)
- (gimp-edit-fill layer-one BACKGROUND-FILL)
- (gimp-selection-none img)
-
- (create-tiles tile tiledraw1 tiledraw2 size thickness backcolor forecolor)
-
-
- (while (<= Xindex xtiles)
- (while (<= Yindex ytiles)
- (if (= (rand 2) 0)
- (use-tiles img layer-one height width tile tiledraw1 (* Xindex size) (* Yindex size))
- (use-tiles img layer-one height width tile tiledraw2 (* Xindex size) (* Yindex size))
- )
- (set! Yindex (+ Yindex 1))
- )
- (set! Yindex 0)
- (set! Xindex (+ Xindex 1))
- )
-
-
- (gimp-image-delete tile)
- (gimp-image-undo-enable img)
- (gimp-display-new img)
-
- (gimp-context-pop)))
-
-
- (script-fu-register "script-fu-truchet"
- _"T_ruchet..."
- "Create a Truchet pattern \n\nWorks best with even sized thicknesses"
- "Adrian Likins <aklikins@eos.ncsu.edu>"
- "Adrian Likins"
- "1997"
- ""
- SF-ADJUSTMENT _"Block size" '(32 2 512 1 10 1 1)
- SF-ADJUSTMENT _"Thickness" '(2 1 512 1 10 1 1)
- SF-COLOR _"Background color" '(255 255 255)
- SF-COLOR _"Foreground color" '(0 0 0)
- SF-ADJUSTMENT _"Number of X tiles" '(5 1 512 1 10 1 1)
- SF-ADJUSTMENT _"Number of Y tiles" '(5 1 512 1 10 1 1))
-
- (script-fu-menu-register "script-fu-truchet"
- _"<Toolbox>/Xtns/Script-Fu/Patterns")
-