-
Notifications
You must be signed in to change notification settings - Fork 0
/
image_functions.py
592 lines (518 loc) · 22.6 KB
/
image_functions.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
# -*- coding: utf-8 -*-
# image_functions.py
# This helper file does image manipulation and display
# Copyright (c) 2022, Harry van der Wolf. all rights reserved.
# This program or module is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public Licence as published
# by the Free Software Foundation, either version 2 of the Licence, or
# version 3 of the Licence, or (at your option) any later version. It is
# provided for educational purposes and 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 Licence for more details.
import io, os, platform, sys
from pathlib import Path
import tkinter as tk
import PySimpleGUI as sg
from PIL import Image, ExifTags # to manipulate images and read exif
Image.LOAD_TRUNCATED_IMAGES = True
from PIL.ExifTags import TAGS
import file_functions
import ui_actions
def reworkTag(tagtuple, precision):
'''
This function returns the value but reformatted in the
desired numbers after the decimal point
:param tagtuple: tuple containing the key and value of the exif tag
:type tagtuple: (tuple)
:param precision: defines the numbers after the decimal point
:type precision: (int)
'''
value = round(tagtuple[0] / tagtuple[1], precision)
# print(v[0], ' # ', v[1], ' => ', value)
return value
def reworkExposure(tagtuple):
value = "1/" + str(tagtuple[1] // 10)
return str(value)
# This is just an example function which I might need
def get_identifier_tag(filename):
im = Image.open(filename)
exifd = im.getexif()
keys = list(exifd.keys())
for k, v in im.getexif().items():
tag = TAGS.get(k)
print(k, '\t', tag)
im.close()
# Read all the exif info from the loaded images, if available
def get_all_exif_info(filename):
'''
This function reads all the exif info from the loaded images, if available
:param filename: the full path of the filename to retrieve the info from
:type filename: (str)
'''
exif_dictionary = {}
reference_image = ""
read_error = ""
try:
# We need a try here in case we have an image we can't open (corrupt, not an image, direct RAW image)
img = Image.open(filename)
try:
exif = img.getexif()
if exif is not None:
print('image: ', filename)
exif_dictionary['filename'] = img.filename
exif_dictionary['width x height'] = img.size
for k, v in img.getexif().items():
tag = TAGS.get(k)
exif_dictionary[tag] = v
if (tag == 'ExposureBiasValue'):
print(TAGS.get(k), ' : ', v)
if v == '0.0' or v == '0' or v == 0.0 or v == 0:
reference_image = filename
print('reference_image: ', reference_image)
# On pillow after jan 2nd 2022 we need additionally the exif.get_ifd(0x8769)
for k, v in img.getexif().get_ifd(0x8769).items():
tag = TAGS.get(k)
exif_dictionary[tag] = v
if (tag == 'ExposureBiasValue'):
print(TAGS.get(k), ' : ', v)
if v == '0.0' or v == '0' or v == 0.0 or v == 0:
reference_image = filename
print('reference_image: ', reference_image)
else:
exif_dictionary['no exif'] = 'no exif'
except Exception as e:
exif_dictionary['no exif'] = 'no exif'
pass
img.close()
except Exception as e:
print("Error opening this image/file: " + filename)
read_error = "Error opening this image/file: " + filename
pass
#exif_dictionary = {k: str(v).encode("utf-8") for k,v in exif_dictionary.items()}
return reference_image, exif_dictionary, read_error
def get_relevant_exif_info(filename):
exif_dictionary={}
reference_image = ""
img=Image.open(filename)
exifd = img.getexif()
keys = list(exifd.keys())
#exif_dictionary['filename'] = img.filename
exif_dictionary['width x height'] = img.size
for k, v in exifd.items():
tag = TAGS.get(k)
print(tag)
if (TAGS.get(k) == 'ISOSpeedRatings'): #ID=0x8827
print(TAGS.get(k), " : ", v)
tag=TAGS.get(k)
exif_dictionary[tag]=v
if (TAGS.get(k) == 'ExposureTime'): # id=0x829a
print(TAGS.get(k), " : ", v)
tag=TAGS.get(k)
exif_dictionary[tag]=v
if (TAGS.get(k) == 'ExposureBiasValue'): # id=0x9204
tag=TAGS.get(k)
exif_dictionary[tag]=v
if v == '0.0' or v == '0' or v == 0.0 or v == 0:
reference_image = filename
print('reference_image: ', reference_image)
if (TAGS.get(k) == 'FNumber'): # id=0x829d
print(TAGS.get(k), " : ", v)
tag=TAGS.get(k)
exif_dictionary[tag]=v
return reference_image, exif_dictionary
'''
# Read some basic exif info from a file
def get_basic_exif_info_from_file(filename, output):
exif_dictionary = {}
exif_id_dictionary = {}
reference_image ="" # This image contains the image with Exposure bias value/Exposure compensation 0
img = Image.open(filename)
exifd = img.getexif()
keys = list(exifd.keys())
exif_dictionary['filename'] = img.filename
exif_dictionary['width x height'] = img.size
for k, v in img.getexif().items():
if (TAGS.get(k) == 'ISOSpeedRatings'): # ID=0x8827
# print(TAGS.get(k), " : ", v)
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
elif (TAGS.get(k) == 'DateTimeOriginal'): # id=0x9003
# print(TAGS.get(k), " : ", v)
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
elif (TAGS.get(k) == 'MaxApertureValue'): # ID=0x9205
# print(TAGS.get(k), " : ", reworkTag(v, 1))
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
elif (TAGS.get(k) == 'FocalLength'): # id=0x920a
# print(TAGS.get(k), " : ", reworkTag(v, 1))
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
elif (TAGS.get(k) == 'FocalLengthIn35mmFilm'): # id=0xa405
# print(TAGS.get(k), " : ", v)
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
# Field of View (FOV) http://www.bobatkins.com/photography/technical/field_of_view.html
# FOV(rectilinear) = 2 * arctan(framesize / (focal length * 2)) # framesize 36mm, focal length in 35 mm
FOV = 2 * (math.atan(36 / (v * 2)))
exif_dictionary['FOV'] = FOV
elif (TAGS.get(k) == 'ExposureTime'): # id=0x829a
# print(TAGS.get(k), " : ", reworkExposure(v))
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
elif (TAGS.get(k) == 'ExposureBiasValue'): # id=0x9204
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
#print("ExposureCompensation\t: ", v)
if v == '0.0' or v == '0':
reference_image = filename
print('reference_image ', reference_image)
elif (TAGS.get(k) == 'FNumber'): # id=0x829d
# print(TAGS.get(k), " : ", reworkTag(v, 1))
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
elif (TAGS.get(k) == 'Orientation'): # id=0x274d
exif_id_dictionary[k] = v
tag = TAGS.get(k)
exif_dictionary[tag] = v
#print(TAGS.get(k), " : ", v)
img.close()
if (output == 'print'):
print('\n\n', exif_dictionary)
# print("\n\n",exif_dictionary['ExposureBiasValue'])
return reference_image, exif_dictionary, exif_id_dictionary
'''
def get_basic_exif_info_from_file(filename):
exif_id_dictionary = {}
img = Image.open(filename)
exifd = img.getexif()
keys = list(exifd.keys())
for k, v in img.getexif().items():
if (TAGS.get(k) == 'ISOSpeedRatings'): # ID=0x8827
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'DateTimeOriginal'): # id=0x9003
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'MaxApertureValue'): # ID=0x9205
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'FocalLength'): # id=0x920a
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'FocalLengthIn35mmFilm'): # id=0xa405
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'ExposureTime'): # id=0x829a
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'ExposureBiasValue'): # id=0x9204
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'FNumber'): # id=0x829d
exif_id_dictionary['"0x'+ k + '"'] = str(v)
elif (TAGS.get(k) == 'Orientation'): # id=0x274d
exif_id_dictionary['"0x'+ k + '"'] = str(v)
img.close()
return exif_id_dictionary
# This function resizes the original selected images when
# the user clicks on "create preview" or "create enfused image"
def resizetopreview(all_values, folder, tmpfolder):
'''
This function resizes the original selected images when
the user clicks on "create preview" or "create fused image"
:param all_values: The values from the Gui elements
:type all_values: (Dict[Any, Any]) - {Element_key : value}
:param folder: The folder holding the original images
:type folder: (str)
:param tmpfolder: The dynamically created work folder in the OS temp folder
:type tmpfolder: (str)
'''
img = ""
failed = ""
images = []
files = all_values['-FILE LIST-']
for file in files:
nfile = os.path.join(folder, file)
previewfile = os.path.join(tmpfolder, file)
if not os.path.exists(previewfile): # This means that the preview file does not exist yet
print("previewfile: ", previewfile, " does not exist yet")
if platform.system() == 'Windows':
img += "\"" + nfile.replace("/", "\\") + "\" "
else:
img += "\"" + nfile + "\" "
try:
preview_img = Image.open(nfile)
exifd = preview_img.getexif() # Get all exif data from original image
sg.user_settings_filename(path=Path.home())
longestSide = int(sg.user_settings_get_entry('last_size_chosen', '480'))
preview_img.thumbnail((longestSide, longestSide), Image.ANTIALIAS)
preview_img.save(previewfile, "JPEG", exif=exifd) # Save all exif data from original to resized image
except Exception as e:
failed += ui_actions.logger(e) + '\n' # get the error from the logger
preview_img.save(previewfile, "JPEG")
preview_img.close()
# pass
images.append(previewfile)
else: # They do exist but we still need to populate or images list
images.append(previewfile)
return failed, images
def resizesingletopreview(folder, tmpfolder, image):
img = ""
previewfile = os.path.join(tmpfolder, image)
orgfile = os.path.join(folder, image)
#print('previewfile ' + previewfile + '; orgfile ' + orgfile)
if not os.path.exists(previewfile): # This means that the preview file does not exist yet
print("previewfile: ", previewfile, " does not exist yet")
if platform.system() == 'Windows':
img += "\"" + orgfile.replace("/", "\\") + "\" "
else:
img += "\"" + orgfile + "\" "
try:
org_img = Image.open(orgfile)
exifd = org_img.getexif() # Get all exif data from original image
sg.user_settings_filename(path=Path.home())
longestSide = int(sg.user_settings_get_entry('last_size_chosen', '480'))
org_img.thumbnail((longestSide, longestSide), Image.ANTIALIAS)
if (".tif" in previewfile.lower()) or (".tiff" in previewfile.lower()):
print("we have a tif(f) file being " + previewfile)
preview_without_extension = os.path.splitext(previewfile)[0]
org_img.save(preview_without_extension + ".jpg", "JPEG", exif=exifd) # Save all exif data from original to resized image
previewfile = preview_without_extension + ".jpg"
else:
org_img.save(previewfile, "JPEG", exif=exifd) # Save all exif data from original to resized image
org_img.close()
except Exception as e:
ui_actions.logger(e)
# pass
return previewfile
def resizesingletothumb(folder, tmpfolder, image):
img = ""
thumbfile = os.path.join(tmpfolder, 'thumb-' + image)
orgfile = os.path.join(folder, image)
#print('thumbfile ' + thumbfile + '; orgfile ' + orgfile)
if not os.path.exists(thumbfile): # This means that the thumb file does not exist yet
print("thumbfile: ", thumbfile, " does not exist yet")
if platform.system() == 'Windows':
img += "\"" + orgfile.replace("/", "\\") + "\" "
else:
img += "\"" + orgfile + "\" "
try:
org_img = Image.open(orgfile)
exifd = org_img.getexif() # Get all exif data from original image
org_img.thumbnail((240, 240), Image.ANTIALIAS)
# we can have tiffs and jpgs, but we always convert to jpg meaning we might need to change the file extension
if (".tif" in thumbfile.lower()) or (".tiff" in thumbfile.lower()):
print("we have a tif(f) file being " + thumbfile)
thumb_without_extension = os.path.splitext(thumbfile)[0]
print("thumb_without_extension " + thumb_without_extension)
org_img.save(thumb_without_extension + ".jpg", "JPEG", exif=exifd) # Save all exif data from original to resized image
thumbfile = thumb_without_extension + ".jpg"
else:
org_img.save(thumbfile, "JPEG", exif=exifd) # Save all exif data from original to resized image
org_img.close()
except Exception as e:
ui_actions.logger(e)
# pass
return thumbfile
def create_dcraw_command(filename):
'''
This function creates the dcraw command for coverting raw images
:filename: This is the path/filename of the original RAW image
'''
cmd_string = ""
cmd_list = []
dcraw_bin = sg.user_settings_get_entry('dcrawlocation', '')
if len(dcraw_bin) > 0:
dcraw_params = sg.user_settings_get_entry('dcrawparams', '-v -w -H 2 -T')
cmd_string = dcraw_bin
if platform.system() == 'Windows':
cmd_list = dcraw_params.split(" ")
cmd_list.append(filename.replace("/", "\\"))
else:
cmd_string += " " + dcraw_params + " \"" + filename + "\" "
return cmd_string, cmd_list
def get_curr_screen_geometry():
root = tk.Tk()
width = root.winfo_screenwidth()
height = root.winfo_screenheight()
root.destroy() # do not forget to delete the tk window
return int(width), int(height)
def display_preview(mainwindow, imgfile):
print("imgfile to display ", imgfile)
try:
image = Image.open(str(imgfile))
try:
image = reorient_img(image)
except Exception as e:
print("No image orentation data. Mostly due to tiffs created from RAW")
pass
sg.user_settings_filename(path=Path.home())
longestSide = int(sg.user_settings_get_entry('last_size_chosen', '480'))
image.thumbnail((longestSide, longestSide), Image.ANTIALIAS)
bio = io.BytesIO()
image.save(bio, format='PNG')
mainwindow['-IMAGE-'].update(data=bio.getvalue())
image.close()
except Exception as e:
print("Something went wrong converting ", imgfile)
pass
def display_thumb(mainwindow, imgfile):
print("thumbfile to display ", imgfile)
try:
image = Image.open(str(imgfile))
try:
image = reorient_img(image)
except Exception as e:
print("No image orentation data. Mostly due to tiffs created from RAW")
pass
image.thumbnail((240, 240), Image.ANTIALIAS)
bio = io.BytesIO()
image.save(bio, format='PNG')
mainwindow['-THUMB-'].update(data=bio.getvalue())
image.close()
except Exception as e:
print("Something went wrong converting ", imgfile)
pass
# This displays the final image in the default viewer
def displayImage(imgpath):
rawimgpath = str(imgpath)
newImg = Image.open(rawimgpath)
newImg.show()
newImg.close()
def reorient_img(pil_img):
img_exif = pil_img.getexif()
if len(img_exif):
if img_exif[274] == 3:
pil_img = pil_img.transpose(Image.ROTATE_180)
elif img_exif[274] == 6:
pil_img = pil_img.transpose(Image.ROTATE_270)
elif img_exif[274] == 8:
pil_img = pil_img.transpose(Image.ROTATE_90)
return pil_img
def displayImageWindow(imgpath):
'''
This function displays the created final image in a python window.
On a screen size >= 2K and < 4k, it will use a slightly smaller window
:param imgpath: the complete path that leads to the created image
:type imgpath: (str)
'''
tmpImg = Image.open(str(imgpath))
newImg = reorient_img(tmpImg)
# imgsize = newImg.size
scrwidth, scrheight = get_curr_screen_geometry()
# print('scrwidth x scrheight: ' + str(scrwidth) + 'x' + str(scrheight))
# 4k is 3840 x 2160, HD is 1920 x 18080
if scrwidth >= 1920 and scrwidth < 3840:
scrwidth = 1860
scrheight = 1026
newImg.thumbnail((scrwidth, scrheight), Image.ANTIALIAS)
bio = io.BytesIO()
newImg.save(bio, format='PNG')
layout = [
[sg.Image(bio.getvalue(), key='-IMAGE-')],
[sg.Button('Exit', visible=False, key='-exit-')] # invisible button necessary to allow windows read
]
window = sg.Window('Your image: ' + imgpath, layout, no_titlebar=False, location=(0, 0), size=(scrwidth, scrheight),
keep_on_top=True, icon=get_icon())
tmpImg.close()
newImg.close()
while True:
event, values = window.read()
if event in (sg.WINDOW_CLOSED, '-exit-'):
break
window.close
def get_icon():
'''
This function adds the program icon to the top-left of the displayed windows and popups
'''
'''
if platform.system() == 'Windows':
wicon = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'images', 'logo.ico')
else:
wicon = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'images', 'logo.png')
'''
if platform.system() == 'Linux' or platform.system() == 'Darwin':
testpyinstaller = getattr(sys, '_MEIPASS', 'NotRunningInPyInstaller')
prefix = os.path.realpath('.')
if testpyinstaller != 'NotRunningInPyInstaller':
prefix = testpyinstaller;
wicon = os.path.join(prefix, 'images', 'logo.png')
else: # Windows
wicon = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'images', 'logo.ico')
return wicon
def get_filename_images(values, folder):
'''
This functions requests the filename and possible folder where to save
the to be created image file.
Next to that the path will be derived from the folder where the images reside
:param values: This is the dictionary containing all UI key variables
:type values: (Dict[Any, Any]) - {Element_key : value}
:param folder: The folder that contains the full size original images
:type folder: (list)
'''
full_images = []
if values['_saveToSource_']:
folderFileName = file_functions.getFileName(folder) # user wants to save image to same folder
else:
folderFileName = file_functions.getFileName('') # user wants to select new folder
if folderFileName[0] != '' and folderFileName[0] != folder:
folder = folderFileName[0]
if folderFileName[1] == '':
print('User pressed OK without providing a filename')
sg.popup('Error! no filename provided!', 'You did not provide a filename.\n',
'The program can\'t create an image without a filename.', icon=get_icon(), keep_on_top=True)
elif folderFileName[1] == 'Cancel':
print('user Cancelled')
else:
files = values['-FILE LIST-']
for file in files:
full_images.append(os.path.join(folder, file))
return folderFileName[1], full_images
def copy_exif_info(reference_image, imagepath):
print('reference_image ', reference_image)
print('imagepath ', imagepath)
ref_img = Image.open(reference_image)
ref_exifd = ref_img.getexif()
#print("ref_exifd ", str(ref_exifd))
# ref_exifd = ref_img.info['exif']
ref_img.close()
pil_img = Image.open(imagepath)
dcraw_converted = False
for tag, value in ref_exifd.items():
#print(tag, value)
if 'dcraw' in str(value).lower():
# If we have a tiff converted from a RAW, we do not have exif info
dcraw_converted = True
if dcraw_converted:
pil_img.save(imagepath, "JPEG")
else:
pil_img.save(imagepath, "JPEG", exif=ref_exifd)
pil_img.close()
'''
try:
print('reference_image ', reference_image)
print('imagepath ', imagepath)
ref_img = Image.open(reference_image)
ref_exifd = ref_img.getexif()
#ref_exifd = ref_img.info['exif']
ref_img.close()
except Exception as e:
print("something went wrong copying the exif info from " + reference_image)
pass
pil_img = Image.open(imagepath)
# first make a backup in case of error
backup = pil_img.copy()
try:
backuppath = imagepath.replace('preview', 'backup-preview')
backup.save(backuppath, "JPEG")
pil_img.save(imagepath, "JPEG", exif=ref_exifd)
pil_img.close()
os.remove(backuppath)
except Exception as e:
print("something went wrong saving the exif info to " + imagepath)
os.replace(backuppath, imagepath)
pass
'''