/usr/share/gimp/2.0/scripts/3dTruchet.scm is in gimp-data 2.6.12-1ubuntu1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 | ; 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.
;
; 3dTruchet - 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-tile 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-tile img
drawable1
drawable2
size
thickness
backcolor
begincolor
endcolor
supersample)
(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)))
(temp-draw2 (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-image-add-layer temp-img temp-draw2 0)
(gimp-context-set-background backcolor)
(gimp-edit-fill temp-draw BACKGROUND-FILL)
(gimp-edit-fill temp-draw2 BACKGROUND-FILL)
;weird aint it
(gimp-context-set-background begincolor)
(gimp-context-set-foreground endcolor)
(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-edit-blend temp-draw FG-BG-RGB-MODE NORMAL-MODE
GRADIENT-SHAPEBURST-ANGULAR 100 0 REPEAT-NONE FALSE
supersample 3 0.2 TRUE
size size (* size 2) (/ size 2))
(center-ellipse temp-img size (* size 2) outer-radius outer-radius
CHANNEL-OP-REPLACE TRUE FALSE 0)
(center-ellipse temp-img size (* size 2) inner-radius inner-radius
CHANNEL-OP-SUBTRACT TRUE FALSE 0)
(center-ellipse temp-img (* size 2) size outer-radius outer-radius
CHANNEL-OP-ADD TRUE FALSE 0)
(center-ellipse temp-img (* size 2) size inner-radius inner-radius
CHANNEL-OP-SUBTRACT TRUE FALSE 0)
;(gimp-edit-fill temp-img temp-draw2 BACKGROUND-FILL)
(gimp-edit-blend temp-draw2 FG-BG-RGB-MODE NORMAL-MODE
GRADIENT-SHAPEBURST-ANGULAR 100 0 REPEAT-NONE FALSE
supersample 3 0.2 TRUE
size size (* size 2) (* size 2))
(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))
(gimp-edit-copy temp-draw2)
(let ((floating-sel (car (gimp-edit-paste drawable1 FALSE))))
(gimp-floating-sel-anchor floating-sel))
;(let ((drawble (car (gimp-drawable-transform-flip-simple img drawable1
; ORIENTATION-HORIZONTAL
; TRUE 0 TRUE)))))
;(gimp-display-new temp-img)
(gimp-image-delete temp-img)
)
)
)
(define (script-fu-3dtruchet size
thickness
backcolor
begincolor
endcolor
supersample
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-tile tile tiledraw1 tiledraw2 size thickness
backcolor begincolor endcolor supersample)
(while (<= Xindex xtiles)
(while (<= Yindex ytiles)
(if (= (rand 2) 0)
(use-tile img layer-one height width tile
tiledraw1 (* Xindex size) (* Yindex size))
(use-tile 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-3dtruchet"
_"3_D Truchet..."
_"Create an image filled with a 3D Truchet pattern"
"Adrian Likins <aklikins@eos.ncsu.edu>"
"Adrian Likins"
"1997"
""
SF-ADJUSTMENT _"Block size" '(64 5 1000 1 10 0 1)
SF-ADJUSTMENT _"Thickness" '(12 2 100 1 10 0 1)
SF-COLOR _"Background color" "white"
SF-COLOR _"Start blend" "black"
SF-COLOR _"End blend" "white"
SF-TOGGLE _"Supersample" TRUE
SF-ADJUSTMENT _"Number of X tiles" '(5 1 1000 1 10 0 1)
SF-ADJUSTMENT _"Number of Y tiles" '(5 1 1000 1 10 0 1)
)
(script-fu-menu-register "script-fu-3dtruchet"
"<Image>/File/Create/Patterns")
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