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
|
#!/usr/bin/python
# -*- coding: utf-8 -*-
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright (C) 2006 Yaacov Zamir
import gtk
import gtk.glade
from hocr import *
# create widget tree ...
xml = gtk.glade.XML('pygtk-hocr.glade')
image = xml.get_widget('image')
text = xml.get_widget('textview')
buffer = text.get_buffer()
preview = gtk.Image()
def update_preview_cb(file_chooser, preview):
filename = file_chooser.get_preview_filename()
try:
pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(filename, 128, 128)
preview.set_from_pixbuf(pixbuf)
have_preview = True
except:
have_preview = False
file_chooser.set_preview_widget_active(have_preview)
return
def on_window_delete_event(widget, obj):
"Quit the application"
gtk.main_quit()
def on_button_open_clicked(obj):
chooser = gtk.FileChooserDialog("Open..",
None,
gtk.FILE_CHOOSER_ACTION_OPEN,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_OPEN, gtk.RESPONSE_OK))
chooser.set_preview_widget(preview)
chooser.connect("update-preview", update_preview_cb, preview)
response = chooser.run()
if response == gtk.RESPONSE_OK:
filename = chooser.get_filename()
pixbuf = gtk.gdk.pixbuf_new_from_file (filename)
image.set_from_pixbuf(pixbuf)
elif response == gtk.RESPONSE_CANCEL:
print 'Closed, no files selected'
chooser.destroy()
def on_button_apply_clicked(obj):
hocr_engine = Hocr ()
pixbuf = image.get_pixbuf()
hocr_engine.set_height (pixbuf.get_height ());
hocr_engine.set_width (pixbuf.get_width ());
hocr_engine.set_rowstride (pixbuf.get_rowstride ());
hocr_engine.set_n_channels (pixbuf.get_n_channels ());
hocr_engine.set_brightness (100);
hocr_engine.copy_pixels (pixbuf.get_pixels(),
pixbuf.get_height () * pixbuf.get_rowstride ());
buffer.set_text(hocr_engine.do_ocr ())
def on_button_save_clicked(obj):
chooser = gtk.FileChooserDialog("Save..",
None,
gtk.FILE_CHOOSER_ACTION_SAVE,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
gtk.STOCK_SAVE, gtk.RESPONSE_OK))
response = chooser.run()
if response == gtk.RESPONSE_OK:
filename = chooser.get_filename()
file = open(filename, 'w')
file.write (buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter()))
file.close()
elif response == gtk.RESPONSE_CANCEL:
print 'Closed, no files selected'
chooser.destroy()
# connect handlers
xml.signal_autoconnect(locals())
gtk.main()
|
