-
Notifications
You must be signed in to change notification settings - Fork 0
/
ImageProcess.py
649 lines (551 loc) · 22.2 KB
/
ImageProcess.py
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
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
# Copyright (C) 2008, One Laptop per Child
# Author: Keshav Sharma <keshav7890@gmail.com> & Vaibhav Sharma
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import division
import pygtk
import gtk
from gtk import gdk
import gobject
import sys
from PIL import Image,ImageEnhance,ImageFont,ImageFilter,ImageOps,ImageDraw
import StringIO
import logging
import random
from sugar import mime
import gst, pygame, sys, time
from random import *
class ImageProcessor(gtk.DrawingArea):
__gsignals__ = {
'expose-event' : ('override'),
'zoom-changed' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, []),
'angle-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, []),
}
__gproperties__ = {
'zoom': (gobject.TYPE_FLOAT, 'Zoom Factor', 'Factor of zoom',0, 4, 1, gobject.PARAM_READWRITE),
'angle': (gobject.TYPE_INT, 'Angle', 'Angle of rotation',0, 360, 0, gobject.PARAM_READWRITE),
'file_location':( gobject.TYPE_STRING, 'File Location', 'Location of the image file',
'', gobject.PARAM_READWRITE),
}
def __init__(self):
gtk.DrawingArea.__init__(self)
self.set_app_paintable(True)
self.undo = None
self.redo = None
self.save = None
self.pixbuf = None
self.zoom = None
self.input_text = "text to edit"
self._tempfile = None
self.file_location = None
self._temp_pixbuf = None
self.edit_text = None
self.im = None
self._image_changed_flag = True
self._optimal_zoom_flag = True
self.angle = 0
def do_get_property(self, pspec):
if pspec.name == 'zoom' : return self.zoom
elif pspec.name == 'angle' : return self.angle
elif pspec.name == 'file_location': return self.file_location
else: raise AttributeError('unknown property %s' % pspec.name)
def do_set_property(self, pspec, value):
if pspec.name == 'zoom': self.set_zoom(value)
elif pspec.name == 'angle': self.set_angle(value)
elif pspec.name == 'file_location' : self.set_file_location(value)
else: raise AttributeError('unknown property %s' % pspec.name)
def calculate_optimal_zoom(self, width=None, height=None, pixbuf=None):
# This tries to figure out a best fit model
# If the image can fit in, we show it in 1:1,
# in any other case we show it in a fit to screen way
if pixbuf == None:
pixbuf = self.pixbuf
if width == None or height == None:
rect = self.parent.get_allocation()
width = rect.width
height = rect.height
if width < pixbuf.get_width() or height < pixbuf.get_height():
# Image is larger than allocated size
zoom = min(width / pixbuf.get_width(),
height / pixbuf.get_height())
else: zoom = 1
self._optimal_zoom_flag = True
return zoom - 0.018 #XXX: Hack
def set_pixbuf( self , pixbuf ):
self.pixbuf = pixbuf
self.zoom = None
self._image_changed_flag = True
if self.window:
alloc = self.get_allocation()
rect = gdk.Rectangle( alloc.x , alloc.y , alloc.width ,alloc.height )
self.window.invalidate_rect( rect , True )
self.window.process_updates( True )
#def do_size_request(self, requisition):
# requisition.width = self.pixbuf.get_width()
# requisition.height = self.pixbuf.get_height()
def do_expose_event(self, event):
ctx = self.window.cairo_create()
ctx.rectangle(event.area.x, event.area.y,
event.area.width, event.area.height)
ctx.clip()
self.draw(ctx)
def draw(self, ctx):
if not self.pixbuf:
return
if self.zoom == None:
self.zoom = self.calculate_optimal_zoom()
if self._temp_pixbuf == None or self._image_changed_flag == True:
width, height = self.rotate()
self._temp_pixbuf = self._temp_pixbuf.scale_simple(width, height, gtk.gdk.INTERP_TILES)
self._image_changed_flag = False
rect = self.get_allocation()
x = rect.x
y = rect.y
width = self._temp_pixbuf.get_width()
height = self._temp_pixbuf.get_height()
if self.parent:
rect = self.parent.get_allocation()
if rect.width > width:
x = int(((rect.width - x) - width) / 2)
if rect.height > height:
y = int(((rect.height - y) - height) / 2)
self.set_size_request(self._temp_pixbuf.get_width(),
self._temp_pixbuf.get_height())
ctx.set_source_pixbuf(self._temp_pixbuf, x, y)
ctx.paint()
def set_zoom(self, zoom):
self._image_changed_flag = True
self._optimal_zoom_flag = False
self.zoom = zoom
if self.window:
alloc = self.get_allocation()
rect = gdk.Rectangle(alloc.x, alloc.y,alloc.width, alloc.height)
self.window.invalidate_rect(rect, True)
self.window.process_updates(True)
self.emit('zoom-changed')
def set_angle(self, angle):
self._image_changed_flag = True
self._optimal_zoom_flag = True
self.angle = angle
if self.window:
alloc = self.get_allocation()
rect = gdk.Rectangle(alloc.x, alloc.y,
alloc.width, alloc.height)
self.window.invalidate_rect(rect, True)
self.window.process_updates(True)
self.emit('angle-changed')
def rotate(self):
if self.angle == 0:
rotate = gtk.gdk.PIXBUF_ROTATE_NONE
elif self.angle == 90:
rotate = gtk.gdk.PIXBUF_ROTATE_COUNTERCLOCKWISE
elif self.angle == 180:
rotate = gtk.gdk.PIXBUF_ROTATE_UPSIDEDOWN
elif self.angle == 270:
rotate = gtk.gdk.PIXBUF_ROTATE_CLOCKWISE
elif self.angle == 360:
self.angle = 0
rotate = gtk.gdk.PIXBUF_ROTATE_NONE
else:
logging.warning('Got unsupported rotate angle')
self._temp_pixbuf = self.pixbuf.rotate_simple(rotate)
width = int(self._temp_pixbuf.get_width() * self.zoom)
height = int(self._temp_pixbuf.get_height() * self.zoom)
return (width, height)
def zoom_in(self):
self.set_zoom(self.zoom + 0.2)
if self.zoom > (4): return False
else: return True
def zoom_out(self):
self.set_zoom(self.zoom - 0.2)
if self.zoom <= 0.2: return False
else: return True
def grey(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im.convert("RGB")
r, g, b = im.split()
im = Image.merge("RGB", (g,g,g))
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_undo(self):
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
pix=self.imagetopixbuf(self.undo)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_redo(self):
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
pix=self.imagetopixbuf(self.redo)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_save(self):
pixbuf=self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
pix=self.pixbuftoImage(pixbuf)
self.save=pix.copy()
def image_paste(self):
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
pix=self.imagetopixbuf(self.save)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Blur(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = im.filter(ImageFilter.BLUR)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Transpose(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = im.transpose(Image.FLIP_LEFT_RIGHT)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Offset(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
w,h=im.size
im = im.offset(w/2,h/2)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Contour(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = im.filter(ImageFilter.CONTOUR)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Finedges(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = im.filter(ImageFilter.FIND_EDGES)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Solarize(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = ImageOps.solarize(im, threshold=128)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def pil_to_pixbuf(self,image):
"""Return a pixbuf created from the PIL <image>."""
imagestr = image.tostring()
IS_RGBA = image.mode == 'RGBA'
return gtk.gdk.pixbuf_new_from_data(imagestr, gtk.gdk.COLORSPACE_RGB, IS_RGBA, 8, image.size[0], image.size[1], (IS_RGBA and 4 or 3) * image.size[0])
def pixbuf_to_pil(self,pixbuf):
"""Return a PIL image created from <pixbuf>."""
dimensions = pixbuf.get_width(), pixbuf.get_height()
stride = pixbuf.get_rowstride()
pixels = pixbuf.get_pixels()
mode = pixbuf.get_has_alpha() and 'RGBA' or 'RGB'
return Image.frombuffer(mode, dimensions, pixels, 'raw', mode, stride, 1)
def image_contrast(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
pixbuf=self.imagetopixbuf(im)
im = self.pixbuf_to_pil(pixbuf)
im = ImageEnhance.Contrast(im).enhance(1.2)
pix=self.pil_to_pixbuf(im)
im = self.pixbuftoImage(pix)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_bright(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
pixbuf=self.imagetopixbuf(im)
im = self.pixbuf_to_pil(pixbuf)
im = ImageEnhance.Brightness(im).enhance(1.2)
pix=self.pil_to_pixbuf(im)
im = self.pixbuftoImage(pix)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_dcontrast(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
pixbuf=self.imagetopixbuf(im)
im = self.pixbuf_to_pil(pixbuf)
im = ImageEnhance.Contrast(im).enhance(0.8)
pix=self.pil_to_pixbuf(im)
im = self.pixbuftoImage(pix)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_dbright(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
pixbuf=self.imagetopixbuf(im)
im = self.pixbuf_to_pil(pixbuf)
im = ImageEnhance.Brightness(im).enhance(0.8)
pix=self.pil_to_pixbuf(im)
im = self.pixbuftoImage(pix)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_left_top(self,edit_text):
self.edit_text="left_top"
self.image_edit_text(self.edit_text)
def image_right_top(self,edit_text):
self.edit_text='right_top'
self.image_edit_text(self.edit_text)
def image_left_bottom(self,edit_text):
self.edit_text='left_bottom'
self.image_edit_text(self.edit_text)
def image_right_bottom(self,edit_text):
self.edit_text='right_bottom'
self.image_edit_text(self.edit_text)
def image_edit_text(self,edit_text):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
self.edit_text = edit_text
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
out=self.Imprint(im, self.input_text,self.edit_text)
self.redo=out.copy()
pix=self.imagetopixbuf(out)
self.set_pixbuf( pix )
self.window.process_updates( True )
def input_text_cb(self,text):
self.input_text=str(text)
def Imprint(self,im, inputtext,edit_text, font=None, color=None, opacity=.6, margin=(30,30)):
"""
imprints a PIL image with the indicated text in lower-right corner
"""
if im.mode != "RGBA":
im = im.convert("RGBA")
w,h=im.size
textlayer = Image.new("RGBA", im.size, (0,0,0,0))
textdraw = ImageDraw.Draw(textlayer)
textsize = textdraw.textsize(inputtext, font=font)
if edit_text=="left_top":
textpos = [margin[i] for i in [0,1]]
elif edit_text=="right_top":
textpos = im.size[0]-textsize[0]-margin[0],margin[1]
elif edit_text=="left_bottom":
textpos = margin[0],im.size[1]-textsize[1]-margin[1]
else:
textpos = [im.size[i]-textsize[i]-margin[i] for i in [0,1]]
textdraw.text(textpos, inputtext, font=font, fill="red")
if opacity != 1:
textlayer = self.reduce_opacity(textlayer,opacity)
return Image.composite(textlayer, im, textlayer)
def image_Sharpen(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = im.filter(ImageFilter.SHARPEN)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Ambross(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = im.filter(ImageFilter.EMBOSS)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Invert(self,value):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
im = ImageOps.invert(im)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def image_Watermark(self,mark,pos):
pixbuf = self.pixbuf
self._image_changed_flag = True
self._optimal_zoom_flag = True
if self.window:
im1=Image.open(mark)
im = self.pixbuftoImage(pixbuf)
self.undo=im.copy()
if pos=="tile":
im = self.watermark(im, im1,"tile",0.5)
elif pos=="scale":
im = self.watermark(im, im1,"scale",0.5)
else :#if pos is top_left
im = self.watermark(im, im1,(0,0),0.5)
#(raw_input('type of watermark(tile/scale,(xsize,ysize))')), 0.5)
self.redo=im.copy()
pix=self.imagetopixbuf(im)
self.set_pixbuf( pix )
self.window.process_updates( True )
def pixbuftoImage(self,pb):
width,height = pb.get_width(),pb.get_height()
return Image.fromstring("RGB",(width,height),pb.get_pixels() )
def imagetopixbuf(self,im):
file1 = StringIO.StringIO()
im.save(file1, "ppm")
contents = file1.getvalue()
file1.close()
loader = gtk.gdk.PixbufLoader("pnm")
loader.write(contents, len(contents))
pixbuf = loader.get_pixbuf()
loader.close()
return pixbuf
def reduce_opacity(self,im, opacity):
"""Returns an image with reduced opacity."""
assert opacity >= 0 and opacity <= 1
if im.mode != 'RGBA': im = im.convert('RGBA')
else : im = im.copy()
alpha = im.split()[3]
alpha = ImageEnhance.Brightness(alpha).enhance(opacity)
im.putalpha(alpha)
return im
#watermark to an image
def watermark(self,im, mark, position, opacity=1):
"""Adds a watermark to an image."""
if opacity < 1 : mark = self.reduce_opacity(mark, opacity)
if im.mode != 'RGBA': im = im.convert('RGBA')
# create a transparent layer the size of the image and draw the
# watermark in that layer.
layer = Image.new('RGBA', im.size, (0,0,0,0))
if position == 'tile':
w,h=im.size
mark = mark.resize((w/2, h/2))
for y in range(0, im.size[1], mark.size[1]):
for x in range(0, im.size[0], mark.size[0]): layer.paste(mark,(x, y))
elif position == 'scale':
# scale, but preserve the aspect ratio
ratio = min(float(im.size[0]) / mark.size[0], float(im.size[1]) / mark.size[1])
w = int(mark.size[0] * ratio)
h = int(mark.size[1] * ratio)
mark = mark.resize((w, h))
layer.paste(mark, ((im.size[0] - w) / 2, (im.size[1] - h) / 2))
else:
w,h=im.size
mark = mark.resize((w/2, h/2))
layer.paste(mark, position)
# composite the watermark with the layer
return Image.composite(layer, im, layer)
def original_cb(self,value):
self.set_file_location(self.original)
def set_file_location(self, file_location):
self.original=file_location
self.pixbuf = gtk.gdk.pixbuf_new_from_file(file_location)
self.file_location = file_location
self.zoom = None
self._image_changed_flag = True
if self.window:
alloc = self.get_allocation()
rect = gdk.Rectangle(alloc.x, alloc.y, alloc.width, alloc.height)
self.window.invalidate_rect(rect, True)
self.window.process_updates(True)
def save_cb(self,file_path):
pixbuf=self.pixbuf
pixbuf.save(file_path, 'png', {})
#check working of functions
def update(view_object):
view.grey("g")
return True
if __name__ == '__main__':
window = gtk.Window()
vadj = gtk.Adjustment()
hadj = gtk.Adjustment()
sw = gtk.ScrolledWindow(hadj, vadj)
view = ImageProcessor()
view.set_file_location(sys.argv[1])
sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
sw.add_with_viewport(view)
window.add(sw)
window.set_size_request(800, 600)
window.show_all()
gobject.timeout_add(1000, update, view)
gtk.main()