blob: 81fd0a79ed62c58ebda0b0e51b28d61611ad8294 (
plain)
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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
|
; GIMP - The GNU Image Manipulation Program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Weave script --- make an image look as if it were woven
; Copyright (C) 1997 Federico Mena Quintero
; federico@nuclecu.unam.mx
;
; 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 3 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, see <https://www.gnu.org/licenses/>.
; Copies the specified rectangle from/to the specified drawable
(define (copy-rectangle img
drawable
x1
y1
width
height
dest-x
dest-y)
(gimp-image-select-rectangle img CHANNEL-OP-REPLACE x1 y1 width height)
(gimp-edit-copy drawable)
(let ((floating-sel (car (gimp-edit-paste drawable FALSE))))
(gimp-layer-set-offsets floating-sel dest-x dest-y)
(gimp-floating-sel-anchor floating-sel))
(gimp-selection-none img))
; Creates a single weaving tile
(define (create-weave-tile ribbon-width
ribbon-spacing
shadow-darkness
shadow-depth)
(let* ((tile-size (+ (* 2 ribbon-width) (* 2 ribbon-spacing)))
(darkness (* 255 (/ (- 100 shadow-darkness) 100)))
(img (car (gimp-image-new tile-size tile-size RGB)))
(drawable (car (gimp-layer-new img tile-size tile-size RGB-IMAGE
"Weave tile" 100 LAYER-MODE-NORMAL))))
(gimp-image-undo-disable img)
(gimp-image-insert-layer img drawable 0 0)
(gimp-context-set-background '(0 0 0))
(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
; Create main horizontal ribbon
(gimp-context-set-foreground '(255 255 255))
(gimp-context-set-background (list darkness darkness darkness))
(gimp-image-select-rectangle img
CHANNEL-OP-REPLACE
0
ribbon-spacing
(+ (* 2 ribbon-spacing) ribbon-width)
ribbon-width)
(gimp-context-set-gradient-fg-bg-rgb)
(gimp-drawable-edit-gradient-fill drawable
GRADIENT-BILINEAR (- 100 shadow-depth)
FALSE 0 0
TRUE
(/ (+ (* 2 ribbon-spacing) ribbon-width -1) 2) 0
0 0)
; Create main vertical ribbon
(gimp-image-select-rectangle img
CHANNEL-OP-REPLACE
(+ (* 2 ribbon-spacing) ribbon-width)
0
ribbon-width
(+ (* 2 ribbon-spacing) ribbon-width))
(gimp-drawable-edit-gradient-fill drawable
GRADIENT-BILINEAR (- 100 shadow-depth)
FALSE 0 0
TRUE
0 (/ (+ (* 2 ribbon-spacing) ribbon-width -1) 2)
0 0)
; Create the secondary horizontal ribbon
(copy-rectangle img
drawable
0
ribbon-spacing
(+ ribbon-width ribbon-spacing)
ribbon-width
(+ ribbon-width ribbon-spacing)
(+ (* 2 ribbon-spacing) ribbon-width))
(copy-rectangle img
drawable
(+ ribbon-width ribbon-spacing)
ribbon-spacing
ribbon-spacing
ribbon-width
0
(+ (* 2 ribbon-spacing) ribbon-width))
; Create the secondary vertical ribbon
(copy-rectangle img
drawable
(+ (* 2 ribbon-spacing) ribbon-width)
0
ribbon-width
(+ ribbon-width ribbon-spacing)
ribbon-spacing
(+ ribbon-width ribbon-spacing))
(copy-rectangle img
drawable
(+ (* 2 ribbon-spacing) ribbon-width)
(+ ribbon-width ribbon-spacing)
ribbon-width
ribbon-spacing
ribbon-spacing
0)
; Done
(gimp-image-undo-enable img)
(list img drawable)))
; Creates a complete weaving mask
(define (create-weave width
height
ribbon-width
ribbon-spacing
shadow-darkness
shadow-depth)
(let* ((tile (create-weave-tile ribbon-width ribbon-spacing shadow-darkness
shadow-depth))
(tile-img (car tile))
(tile-layer (cadr tile))
(weaving (plug-in-tile RUN-NONINTERACTIVE tile-img tile-layer width height TRUE)))
(gimp-image-delete tile-img)
weaving))
; Creates a single tile for masking
(define (create-mask-tile ribbon-width
ribbon-spacing
r1-x1
r1-y1
r1-width
r1-height
r2-x1
r2-y1
r2-width
r2-height
r3-x1
r3-y1
r3-width
r3-height)
(let* ((tile-size (+ (* 2 ribbon-width) (* 2 ribbon-spacing)))
(img (car (gimp-image-new tile-size tile-size RGB)))
(drawable (car (gimp-layer-new img tile-size tile-size RGB-IMAGE
"Mask" 100 LAYER-MODE-NORMAL))))
(gimp-image-undo-disable img)
(gimp-image-insert-layer img drawable 0 0)
(gimp-context-set-background '(0 0 0))
(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
(gimp-image-select-rectangle img CHANNEL-OP-REPLACE r1-x1 r1-y1 r1-width r1-height)
(gimp-image-select-rectangle img CHANNEL-OP-ADD r2-x1 r2-y1 r2-width r2-height)
(gimp-image-select-rectangle img CHANNEL-OP-ADD r3-x1 r3-y1 r3-width r3-height)
(gimp-context-set-background '(255 255 255))
(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
(gimp-selection-none img)
(gimp-image-undo-enable img)
(list img drawable)))
; Creates a complete mask image
(define (create-mask final-width
final-height
ribbon-width
ribbon-spacing
r1-x1
r1-y1
r1-width
r1-height
r2-x1
r2-y1
r2-width
r2-height
r3-x1
r3-y1
r3-width
r3-height)
(let* ((tile (create-mask-tile ribbon-width ribbon-spacing
r1-x1 r1-y1 r1-width r1-height
r2-x1 r2-y1 r2-width r2-height
r3-x1 r3-y1 r3-width r3-height))
(tile-img (car tile))
(tile-layer (cadr tile))
(mask (plug-in-tile RUN-NONINTERACTIVE tile-img tile-layer final-width final-height
TRUE)))
(gimp-image-delete tile-img)
mask))
; Creates the mask for horizontal ribbons
(define (create-horizontal-mask ribbon-width
ribbon-spacing
final-width
final-height)
(create-mask final-width
final-height
ribbon-width
ribbon-spacing
0
ribbon-spacing
(+ (* 2 ribbon-spacing) ribbon-width)
ribbon-width
0
(+ (* 2 ribbon-spacing) ribbon-width)
ribbon-spacing
ribbon-width
(+ ribbon-width ribbon-spacing)
(+ (* 2 ribbon-spacing) ribbon-width)
(+ ribbon-width ribbon-spacing)
ribbon-width))
; Creates the mask for vertical ribbons
(define (create-vertical-mask ribbon-width
ribbon-spacing
final-width
final-height)
(create-mask final-width
final-height
ribbon-width
ribbon-spacing
(+ (* 2 ribbon-spacing) ribbon-width)
0
ribbon-width
(+ (* 2 ribbon-spacing) ribbon-width)
ribbon-spacing
0
ribbon-width
ribbon-spacing
ribbon-spacing
(+ ribbon-width ribbon-spacing)
ribbon-width
(+ ribbon-width ribbon-spacing)))
; Adds a threads layer at a certain orientation to the specified image
(define (create-threads-layer img
width
height
length
density
orientation)
(let* ((drawable (car (gimp-layer-new img width height RGBA-IMAGE
"Threads" 100 LAYER-MODE-NORMAL)))
(dense (/ density 100.0)))
(gimp-image-insert-layer img drawable 0 -1)
(gimp-context-set-background '(255 255 255))
(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
(plug-in-noisify RUN-NONINTERACTIVE img drawable FALSE dense dense dense dense)
(plug-in-c-astretch RUN-NONINTERACTIVE img drawable)
(cond ((eq? orientation 'horizontal)
(plug-in-gauss-rle RUN-NONINTERACTIVE img drawable length TRUE FALSE))
((eq? orientation 'vertical)
(plug-in-gauss-rle RUN-NONINTERACTIVE img drawable length FALSE TRUE)))
(plug-in-c-astretch RUN-NONINTERACTIVE img drawable)
drawable))
(define (create-complete-weave width
height
ribbon-width
ribbon-spacing
shadow-darkness
shadow-depth
thread-length
thread-density
thread-intensity)
(let* ((weave (create-weave width height ribbon-width ribbon-spacing
shadow-darkness shadow-depth))
(w-img (car weave))
(w-layer (cadr weave))
(h-layer (create-threads-layer w-img width height thread-length
thread-density 'horizontal))
(h-mask (car (gimp-layer-create-mask h-layer ADD-MASK-WHITE)))
(v-layer (create-threads-layer w-img width height thread-length
thread-density 'vertical))
(v-mask (car (gimp-layer-create-mask v-layer ADD-MASK-WHITE)))
(hmask (create-horizontal-mask ribbon-width ribbon-spacing
width height))
(hm-img (car hmask))
(hm-layer (cadr hmask))
(vmask (create-vertical-mask ribbon-width ribbon-spacing width height))
(vm-img (car vmask))
(vm-layer (cadr vmask)))
(gimp-layer-add-mask h-layer h-mask)
(gimp-selection-all hm-img)
(gimp-edit-copy hm-layer)
(gimp-image-delete hm-img)
(gimp-floating-sel-anchor (car (gimp-edit-paste h-mask FALSE)))
(gimp-layer-set-opacity h-layer thread-intensity)
(gimp-layer-set-mode h-layer LAYER-MODE-MULTIPLY)
(gimp-layer-add-mask v-layer v-mask)
(gimp-selection-all vm-img)
(gimp-edit-copy vm-layer)
(gimp-image-delete vm-img)
(gimp-floating-sel-anchor (car (gimp-edit-paste v-mask FALSE)))
(gimp-layer-set-opacity v-layer thread-intensity)
(gimp-layer-set-mode v-layer LAYER-MODE-MULTIPLY)
; Uncomment this if you want to keep the weaving mask image
; (gimp-display-new (car (gimp-image-duplicate w-img)))
(list w-img
(car (gimp-image-flatten w-img)))))
; The main weave function
(define (script-fu-weave img
drawable
ribbon-width
ribbon-spacing
shadow-darkness
shadow-depth
thread-length
thread-density
thread-intensity)
(gimp-context-push)
(gimp-image-undo-group-start img)
(let* (
(d-img (car (gimp-item-get-image drawable)))
(d-width (car (gimp-drawable-width drawable)))
(d-height (car (gimp-drawable-height drawable)))
(d-offsets (gimp-drawable-offsets drawable))
(weaving (create-complete-weave d-width
d-height
ribbon-width
ribbon-spacing
shadow-darkness
shadow-depth
thread-length
thread-density
thread-intensity))
(w-img (car weaving))
(w-layer (cadr weaving))
)
(gimp-context-set-paint-mode LAYER-MODE-NORMAL)
(gimp-context-set-opacity 100.0)
(gimp-context-set-feather FALSE)
(gimp-selection-all w-img)
(gimp-edit-copy w-layer)
(gimp-image-delete w-img)
(let ((floating-sel (car (gimp-edit-paste drawable FALSE))))
(gimp-layer-set-offsets floating-sel
(car d-offsets)
(cadr d-offsets))
(gimp-layer-set-mode floating-sel LAYER-MODE-MULTIPLY)
(gimp-floating-sel-to-layer floating-sel)
)
)
(gimp-context-pop)
(gimp-image-undo-group-end img)
(gimp-displays-flush)
)
(script-fu-register "script-fu-weave"
_"_Weave..."
_"Create a new layer filled with a weave effect to be used as an overlay or bump map"
"Federico Mena Quintero"
"Federico Mena Quintero"
"June 1997"
"RGB* GRAY*"
SF-IMAGE "Image to Weave" 0
SF-DRAWABLE "Drawable to Weave" 0
SF-ADJUSTMENT _"Ribbon width" '(30 0 256 1 10 1 1)
SF-ADJUSTMENT _"Ribbon spacing" '(10 0 256 1 10 1 1)
SF-ADJUSTMENT _"Shadow darkness" '(75 0 100 1 10 1 1)
SF-ADJUSTMENT _"Shadow depth" '(75 0 100 1 10 1 1)
SF-ADJUSTMENT _"Thread length" '(200 0 256 1 10 1 1)
SF-ADJUSTMENT _"Thread density" '(50 0 100 1 10 1 1)
SF-ADJUSTMENT _"Thread intensity" '(100 0 100 1 10 1 1)
)
(script-fu-menu-register "script-fu-weave"
"<Image>/Filters/Artistic")
|
