This file is indexed.

/usr/share/gimp/2.0/scripts/elsamuko-lomo-batch.scm is in gimp-plugin-registry 7.20140602ubuntu3.

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
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
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
; 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 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
; http://www.gnu.org/licenses/gpl-3.0.html
;
; Copyright (C) 2008 elsamuko <elsamuko@web.de>
;
; This is the batch version of the lomo script, run it with
; gimp -i -b '(elsamuko-lomo-batch "picture.jpg" 1.5 10 10 0.8 5 1 3 128 COLOR FALSE FALSE TRUE FALSE 0 0 115)' -b '(gimp-quit 0)'
; or for more than one picture
; gimp -i -b '(elsamuko-lomo-batch "*.jpg" 1.5 10 10 0.8 5 1 3 128 COLOR FALSE FALSE TRUE FALSE 0 0 115)' -b '(gimp-quit 0)'
;
; set as COLOR:
; 0 - neutral
; 1 - old red
; 2 - xpro green
; 3 - blue
; 4 - intense red
; 5 - movie
; 6 - vintage-look
; 7 - LAB
; 8 - light blue
; 9 - redscale
; 10 - retro bw
; 11 - paynes
; 12 - sepia
;


(define (elsamuko-lomo-batch pattern avig asat acon
                             sharp wide_angle gauss_blur
                             motion_blur grain c41 
                             invertA invertB
                             adv is_black
                             centerx centery aradius)
  (let* ((filelist (cadr (file-glob pattern 1))))
    (while (not (null? filelist))
           (let* ((filename (car filelist))
                  (img (car (gimp-file-load RUN-NONINTERACTIVE filename filename)))
                  (draw (car (gimp-image-get-active-drawable img)))
                  (owidth (car (gimp-image-width img)))
                  (oheight (car (gimp-image-height img)))
                  (halfwidth (/ owidth 2))
                  (halfheight (/ oheight 2))
                  (endingx 0)
                  (endingy 0)
                  (blend_x 0)
                  (blend_y 0)
                  
                  (imgLAB 0)
                  (layersLAB 0)
                  (layerA 0)
                  (layerB 0)
                  (drawA 0)
                  (drawB 0)
                  
                  (MaskImage 0)
                  (MaskLayer 0)
                  (OrigLayer 0)
                  (HSVImage 0)
                  (HSVLayer 0)
                  (SharpenLayer 0)
                  (Visible 0)
                  
                  (cyan-layer 0)
                  (magenta-layer 0)
                  (yellow-layer 0)
                  (blue-layer 0)
                  (blue-layer-mask 0)
                  
                  (amiddle (/ (+ owidth oheight) 2))
                  (multi (/ aradius 100))
                  (radius (* multi amiddle))
                  (x_black (+ (- halfwidth  (* multi (/ amiddle 2))) (* owidth (/ centerx 100))))
                  (y_black (- (- halfheight (* multi (/ amiddle 2))) (* oheight (/ centery 100))))
                  (vignette (car (gimp-layer-new img
                                                 owidth 
                                                 oheight
                                                 1
                                                 "Vignette" 
                                                 100 
                                                 OVERLAY-MODE)))
                  (hvignette (car (gimp-layer-new img
                                                  owidth 
                                                  oheight
                                                  1
                                                  "Vignette" 
                                                  100 
                                                  OVERLAY-MODE)))
                  (overexpo (car (gimp-layer-new img
                                                 owidth 
                                                 oheight
                                                 1
                                                 "Over Exposure" 
                                                 80 
                                                 OVERLAY-MODE)))
                  (black_vignette (car (gimp-layer-new img
                                                       owidth 
                                                       oheight
                                                       1
                                                       "Black Vignette" 
                                                       100 
                                                       NORMAL-MODE)))
                  (grain-layer (car (gimp-layer-new img
                                                    owidth 
                                                    oheight
                                                    1
                                                    "Grain" 
                                                    100 
                                                    OVERLAY-MODE)))
                  (grain-layer-mask (car (gimp-layer-create-mask grain-layer ADD-WHITE-MASK)))
                  
                  )
             
             ;init
             (gimp-message "init")
             (set! blend_x (+ halfwidth  (* owidth  (/ centerx 100))))
             (set! blend_y (- halfheight (* oheight (/ centery 100))))
             
             (define (set-pt a index x y)
               (begin
                 (aset a (* index 2) x)
                 (aset a (+ (* index 2) 1) y)
                 )
               )
             (define (splineValue)
               (let* ((a (cons-array 6 'byte)))
                 (set-pt a 0 0 0)
                 (set-pt a 1 128 grain)
                 (set-pt a 2 255 0)
                 a
                 )
               )
             
             ;(gimp-context-push)
             ;(gimp-image-undo-group-start img)
             (if (= (car (gimp-drawable-is-gray draw )) TRUE)
                 (gimp-image-convert-rgb img)
                 )
             (gimp-context-set-foreground '(0 0 0))
             (gimp-context-set-background '(255 255 255))
             ;(gimp-image-add-layer img draw -1)
             ;(gimp-drawable-set-name draw "Process Copy")
             
             ; adjust contrast, saturation 
             (gimp-message "contrast and saturation")
             (gimp-brightness-contrast draw 0 acon)
             (gimp-hue-saturation draw ALL-HUES 0 0 asat)
             
             ;wide angle lens distortion
             (gimp-message "wide angle lens distortion")
             (if (> wide_angle 0) 
                 (plug-in-lens-distortion 1 img draw 0 0 wide_angle 0 9 0)
                 )
             
             ;gauss blur as general focusing error
             (gimp-message "gauss blur")
             (if (> gauss_blur 0)
                 (plug-in-gauss TRUE img draw gauss_blur gauss_blur TRUE)
                 )
             
             ;motion blur as corner fuzziness
             (gimp-message "motion blur")
             (if (> motion_blur 0)
                 (plug-in-mblur 1 img draw 2 motion_blur 0 blend_x blend_y)
                 )
             
             ;add c41-effect
             (gimp-message "color effects")
             ;old red from djinn (http://registry.gimp.org/node/4683)
             (if(= c41 1)(begin
                           (gimp-curves-spline draw  HISTOGRAM-VALUE 8 #(0 0 68 64 190 219 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-RED   8 #(0 0 39 93 193 147 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 6 #(0 0 68 70 255 207))
                           (gimp-curves-spline draw  HISTOGRAM-BLUE  6 #(0 0 94 94 255 199))
                           )
                )
             
             ;xpro green from lilahpops (http://www.lilahpops.com/cross-processing-with-the-gimp/)
             (if(= c41 2)(begin
                           (gimp-curves-spline draw  HISTOGRAM-RED  10 #(0 0 80 84 149 192 191 248 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 8 #(0 0 70 81 159 220 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-BLUE  4 #(0 27 255 213))
                           )
                )
             
             ;blue
             (if(= c41 3)(begin
                           (gimp-curves-spline draw  HISTOGRAM-RED   4 #(0 62 255 229))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 8 #(0 0 69 29 193 240 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-BLUE  8 #(0 27 82 44 202 241 255 255))
                           )
                )
             
             ;intense red
             (if(= c41 4)(begin
                           (gimp-curves-spline draw  HISTOGRAM-RED   6 #(0 0 90 150 240 255))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 6 #(0 0 136 107 240 255))
                           (gimp-curves-spline draw  HISTOGRAM-BLUE  6 #(0 0 136 107 255 246))
                           )
                )
             
             ;movie (from http://tutorials.lombergar.com/achieve_the_indie_movie_look.html)
             (if(= c41 5)(begin
                           (gimp-curves-spline draw  HISTOGRAM-VALUE 4 #(40 0 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-RED   6 #(0  0 127 157 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 4 #(0  8 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-BLUE  6 #(0  0 127 106 255 245))
                           )
                )
             
             ;vintage-look script from mm1 (http://registry.gimp.org/node/1348)
             (if(= c41 6)(begin
                           ;Yellow Layer
                           (set! yellow-layer (car (gimp-layer-new img owidth oheight RGB "Yellow" 100  MULTIPLY-MODE)))	
                           (gimp-image-add-layer img yellow-layer -1)
                           (gimp-context-set-background '(251 242 163))
                           (gimp-drawable-fill yellow-layer BACKGROUND-FILL)
                           (gimp-layer-set-opacity yellow-layer 59)
                           
                           ;Magenta Layer
                           (set! magenta-layer (car (gimp-layer-new img owidth oheight RGB "Magenta" 100  SCREEN-MODE)))	
                           (gimp-image-add-layer img magenta-layer -1)
                           (gimp-context-set-background '(232 101 179))
                           (gimp-drawable-fill magenta-layer BACKGROUND-FILL)
                           (gimp-layer-set-opacity magenta-layer 20)
                           
                           ;Cyan Layer 
                           (set! cyan-layer (car (gimp-layer-new img owidth oheight RGB "Cyan" 100  SCREEN-MODE)))	
                           (gimp-image-add-layer img cyan-layer -1)
                           (gimp-context-set-background '(9 73 233))
                           (gimp-drawable-fill cyan-layer BACKGROUND-FILL)
                           (gimp-layer-set-opacity cyan-layer 17)
                           )
                )
             
             ;LAB from Martin Evening (http://www.photoshopforphotographers.com/pscs2/download/movie-06.pdf)
             (if(= c41 7)(begin
                           (set! drawA  (car (gimp-layer-copy draw FALSE)))
                           (set! drawB (car (gimp-layer-copy draw FALSE)))
                           (gimp-image-add-layer img drawA -1)
                           (gimp-image-add-layer img drawB -1)
                           
                           (gimp-drawable-set-name drawA "LAB-A")
                           (gimp-drawable-set-name drawB "LAB-B")
                           
                           ;decompose image to LAB and stretch A and B
                           (set! imgLAB (car (plug-in-decompose 1 img drawA "LAB" TRUE)))
                           (set! layersLAB (gimp-image-get-layers imgLAB))
                           (set! layerA (aref (cadr layersLAB) 1))
                           (gimp-levels-stretch layerA)
                           (plug-in-recompose 1 imgLAB layerA)
                           
                           (set! imgLAB (car (plug-in-decompose 1 img drawB "LAB" TRUE)))
                           (set! layersLAB (gimp-image-get-layers imgLAB))
                           (set! layerB (aref (cadr layersLAB) 2))
                           (gimp-levels-stretch layerB)
                           (plug-in-recompose 1 imgLAB layerB)
                           
                           (gimp-image-delete imgLAB)
                           
                           ;set mode to color mode
                           (gimp-layer-set-mode drawA COLOR-MODE)
                           (gimp-layer-set-mode drawB COLOR-MODE)
                           (gimp-layer-set-opacity drawA 40)
                           (gimp-layer-set-opacity drawB 40)
                           
                           ;blur
                           (plug-in-gauss 1 img drawA 2.5 2.5 1)
                           (plug-in-gauss 1 img drawB 2.5 2.5 1)
                           )
                )
             
             ;light blue
             (if(= c41 8)(begin
                           (gimp-curves-spline draw  HISTOGRAM-RED   6 #(0 0 154 141 232 255))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 8 #(0 0 65 48 202 215 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-GREEN 4 #(0 21 255 255))
                           (gimp-curves-spline draw  HISTOGRAM-BLUE  8 #(0 0 68 89 162 206 234 255))
                           (gimp-levels draw HISTOGRAM-VALUE
                                        25 255 ;input
                                        1.25   ;gamma
                                        0 255) ;output
                           )
                )
             
             ;redscale
             (if(= c41 9)(begin
                           ;Blue Layer
                           (set! blue-layer (car (gimp-layer-copy draw TRUE)))
                           (gimp-image-add-layer img blue-layer -1)
                           (gimp-drawable-set-name blue-layer "Blue Filter")
                           (gimp-layer-set-opacity blue-layer 40)
                           (gimp-layer-set-mode blue-layer SCREEN-MODE)
                           (plug-in-colors-channel-mixer 1 img blue-layer TRUE
                                                         0 0 1 ;R
                                                         0 0 0 ;G
                                                         0 0 0 ;B
                                                         )
                           (set! blue-layer-mask (car (gimp-layer-create-mask blue-layer ADD-COPY-MASK)))
                           (gimp-layer-add-mask blue-layer blue-layer-mask)
                           
                           (gimp-context-set-background '(0 0 255))
                           (gimp-drawable-fill blue-layer BACKGROUND-FILL)
                           
                           (gimp-curves-spline draw HISTOGRAM-RED   6 #(0 0 127 190 255 255))
                           (gimp-curves-spline draw HISTOGRAM-GREEN 6 #(0 0 127  62 240 255))
                           (gimp-curves-spline draw HISTOGRAM-BLUE  4 #(0 0 255 0))
                           )
                )
             
             ;retro bw
             (if(= c41 10)(begin
                            (gimp-desaturate-full draw DESATURATE-LUMINOSITY)
                            ;(gimp-curves-spline draw HISTOGRAM-RED   4 #(0 15 255 255))
                            (gimp-curves-spline draw HISTOGRAM-BLUE  4 #(0 0 255 230))
                            (gimp-curves-spline draw HISTOGRAM-VALUE 8 #(0 0 63 52 191 202 255 255))
                            )
                )
             
             ;paynes bw
             (if(= c41 11)(begin
                            (gimp-desaturate-full draw DESATURATE-LUMINOSITY)
                            (gimp-colorize draw 215 11 0)
                            )
                )
             
             ;sepia
             (if(= c41 12)(begin
                            (gimp-desaturate-full draw DESATURATE-LUMINOSITY)
                            (gimp-colorize draw 30 25 0)
                            )
                )
             
             ;set some funky colors
             (if( = invertA TRUE)(begin
                                   (gimp-message "invert lab a")
                                   (set! imgLAB (car (plug-in-decompose 1 img draw "LAB" TRUE)))
                                   (set! layersLAB (gimp-image-get-layers imgLAB))
                                   (set! layerA (aref (cadr layersLAB) 1))
                                   (gimp-invert layerA)
                                   (plug-in-recompose 1 imgLAB layerA)
                                   )
                )
             (if( = invertB TRUE)(begin
                                   (gimp-message "invert lab b")
                                   (set! imgLAB (car (plug-in-decompose 1 img draw "LAB" TRUE)))
                                   (set! layersLAB (gimp-image-get-layers imgLAB))
                                   (set! layerB (aref (cadr layersLAB) 2))
                                   (gimp-invert layerB)
                                   (plug-in-recompose 1 imgLAB layerB)
                                   )
                )
             
             ;add two blending layers
             (gimp-message "vignetting")
             (gimp-context-set-foreground '(0 0 0)) ;black
             (gimp-context-set-background '(255 255 255)) ;white
             (gimp-image-add-layer img overexpo -1)
             (gimp-image-add-layer img vignette -1)
             (gimp-drawable-fill vignette TRANSPARENT-FILL)
             (gimp-drawable-fill overexpo TRANSPARENT-FILL)
             
             ;compute blend ending point depending on image orientation
             (if (> owidth oheight) 
                 (begin
                   (set! endingx owidth)
                   (set! endingy halfheight))
                 (begin
                   (set! endingx halfwidth)
                   (set! endingy oheight)
                   )
                 )
             
             ;let's do the vignetting effect
             ;apply a reverse radial blend on layer
             ;then scale layer by "avig" factor with a local origin
             ;if double vignetting is needed, duplicate layer and set duplicate opacity to 80%
             (gimp-edit-blend vignette 2 0 2 100 0 REPEAT-NONE TRUE FALSE 0 0 TRUE blend_x blend_y endingx endingy)
             (gimp-layer-scale vignette (* owidth avig) (* oheight avig) 1)
             (plug-in-spread 1 img vignette 30 30)
             (if (= adv TRUE) 
                 ( begin 
                    (set! hvignette (car (gimp-layer-copy vignette 0)))
                    (gimp-layer-set-opacity hvignette 80)
                    (gimp-image-add-layer img hvignette -1)
                    (gimp-layer-resize-to-image-size hvignette)
                    )
                 )
             (gimp-layer-resize-to-image-size vignette)
             
             ;let's do the over-exposure effect
             ;swap foreground and background colors then
             ;apply a radial blend from center to farthest side of layer
             (gimp-context-swap-colors)
             (gimp-edit-blend overexpo 2 0 2 100 0 REPEAT-NONE FALSE FALSE 0 0 TRUE blend_x blend_y endingx endingy)
             (plug-in-spread 1 img overexpo 30 30)
             
             ;adding the black vignette
             ;selecting a feathered circle, invert selection and fill up with black
             (if (= is_black TRUE) 
                 ( begin 
                    (gimp-message "black vignette")
                    (gimp-image-add-layer img black_vignette -1)
                    (gimp-drawable-fill black_vignette TRANSPARENT-FILL)
                    (gimp-ellipse-select img x_black y_black radius radius ADD TRUE TRUE (* radius 0.2)) ;last term is feather strength
                    (gimp-selection-invert img)
                    (gimp-context-set-foreground '(0 0 0))
                    (gimp-edit-bucket-fill black_vignette FG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
                    (gimp-selection-none img)
                    )
                 )
             
             ;add grain
             (if (> grain 0) 
                 ( begin 
                    (gimp-message "add grain")
                    
                    ;fill new layer with neutral gray
                    (gimp-image-add-layer img grain-layer -1)
                    (gimp-drawable-fill grain-layer TRANSPARENT-FILL)
                    (gimp-context-set-foreground '(128 128 128))
                    (gimp-selection-all img)
                    (gimp-edit-bucket-fill grain-layer FG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
                    (gimp-selection-none img)
                    
                    ;add grain and blur it
                    (plug-in-scatter-hsv 1 img grain-layer 2 0 0 100)
                    (plug-in-gauss 1 img grain-layer 0.5 0.5 1)
                    (gimp-layer-add-mask grain-layer grain-layer-mask)
                    
                    ;select the original image, copy and paste it as a layer mask into the grain layer
                    (gimp-selection-all img)
                    (gimp-edit-copy-visible img)
                    (gimp-floating-sel-anchor (car (gimp-edit-paste grain-layer-mask TRUE)))
                    
                    ;set color curves of layer mask, so that only gray areas become grainy
                    (gimp-curves-spline grain-layer-mask  HISTOGRAM-VALUE  6 (splineValue))
                    )
                 )
             
             ;sharpness layer
             (if(> sharp 0)
                (begin
                  (gimp-message "sharpen")
                  
                  (if (> grain 0)(gimp-drawable-set-visible grain-layer FALSE))
                  
                  (gimp-edit-copy-visible img)
                  (set! Visible (car (gimp-layer-new-from-visible img img "Visible")))
                  (gimp-image-add-layer img Visible -1)
                  
                  (set! MaskImage (car (gimp-image-duplicate img)))
                  (set! MaskLayer (cadr (gimp-image-get-layers MaskImage)))
                  (set! OrigLayer (cadr (gimp-image-get-layers img)))
                  (set! HSVImage (car (plug-in-decompose TRUE img Visible "Value" TRUE)))
                  (set! HSVLayer (cadr (gimp-image-get-layers HSVImage)))
                  (set! SharpenLayer (car (gimp-layer-copy Visible TRUE)))
                  
                  ;smart sharpen from here: http://registry.gimp.org/node/108
                  (gimp-image-add-layer img SharpenLayer -1)
                  (gimp-selection-all HSVImage)
                  (gimp-edit-copy (aref HSVLayer 0))
                  (gimp-image-delete HSVImage)
                  (gimp-floating-sel-anchor (car (gimp-edit-paste SharpenLayer FALSE)))
                  (gimp-layer-set-mode SharpenLayer VALUE-MODE)
                  (plug-in-edge TRUE MaskImage (aref MaskLayer 0) 6 1 0)
                  (gimp-levels-stretch (aref MaskLayer 0))
                  (gimp-image-convert-grayscale MaskImage)
                  (plug-in-gauss TRUE MaskImage (aref MaskLayer 0) 6 6 TRUE)
                  (let* ((SharpenChannel (car (gimp-layer-create-mask SharpenLayer ADD-WHITE-MASK)))
                         )
                    (gimp-layer-add-mask SharpenLayer SharpenChannel)
                    (gimp-selection-all MaskImage)
                    (gimp-edit-copy (aref MaskLayer 0))
                    (gimp-floating-sel-anchor (car (gimp-edit-paste SharpenChannel FALSE)))
                    (gimp-image-delete MaskImage)
                    (plug-in-unsharp-mask TRUE img SharpenLayer 1 sharp 0)
                    (gimp-layer-set-opacity SharpenLayer 80)
                    (gimp-layer-set-edit-mask SharpenLayer FALSE)
                    )
                  (gimp-drawable-set-name SharpenLayer "Sharpen")
                  (gimp-image-remove-layer img Visible)
                  (if (> grain 0)
                      (begin
                        (gimp-drawable-set-visible grain-layer TRUE)
                        (gimp-image-lower-layer img SharpenLayer)
                        )
                      )
                  )
                )
             
             ; tidy up
             (gimp-message "tidy up")
             ;(gimp-image-undo-group-end img)
             ;(gimp-displays-flush)
             ;(gimp-context-pop)
             (gimp-image-merge-visible-layers img EXPAND-AS-NECESSARY)
             (set! draw (car (gimp-image-get-active-drawable img)))
             (gimp-file-save RUN-NONINTERACTIVE img draw filename filename)
             (gimp-image-delete img)
             )
           (set! filelist (cdr filelist))
           )
    )
  )