/usr/bin/sane-pygtk is in hocr-gtk 0.10.17-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# -*- 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 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 <http://www.gnu.org/licenses/>.
# Generated with glade2py script
# glade2py script can be found at hocr web site http://hocr.berlios.de
# Copyright (C) 2008 Yaacov Zamir <kzamir_a_walla.co.il>
import pygtk
pygtk.require('2.0')
import gtk, gtk.glade
import getopt, sys, os
import types, ConfigParser
import sane
# set global parmeters
app_name = "sane-pygtk"
app_version = "0.1.1"
author_name = "Yaacov Zamir"
author_email = "<kzamir@walla.co.il>"
home_page = "http://sane-pygtk.sourceforge.net"
copyright = author_name + " " + author_email
comments = "SANE (Scanner Access Now Easy)\npygtk frontend"
# set gettext support
locale_dir = '/usr/share/locale'
try:
import locale
import gettext
locale.setlocale(locale.LC_ALL, "")
gtk.glade.bindtextdomain(app_name, locale_dir)
gettext.install(app_name, locale_dir, unicode=1)
except (IOError,locale.Error), e:
print "WARNING: Can't load locale"
_ = lambda x : x
# set global functions
def get_scanner_option (scanner, name):
options = scanner.get_options()
for option in options:
if option[1] == name:
return option
return False
def show_error_message(message):
dlg = gtk.MessageDialog(type=gtk.MESSAGE_ERROR
,message_format = message
,buttons=gtk.BUTTONS_OK)
dlg.run()
dlg.destroy()
class MainWindow:
def __init__(self):
# create widget tree ...
xml = False
if os.path.isfile('sane-pygtk.glade'):
xml = gtk.glade.XML('sane-pygtk.glade', 'window1', app_name)
else:
if os.path.isfile(sys.prefix + '/share/sane-pygtk/glade/sane-pygtk.glade'):
xml = gtk.glade.XML(sys.prefix + '/share/sane-pygtk/glade/sane-pygtk.glade', 'window1', app_name)
if not xml:
print "ERROR: Can't load glade GUI file, check your install."
show_error_message(_("Can't load sane-pygtk's glade GUI file, check your install.\nExit program."))
sys.exit(0)
# if user want to scan to one file exit after scan
self.exit_after_scan = False
# create config object with default values
self.config = ConfigParser.ConfigParser()
self.config.add_section('settings')
self.config.set('settings', 'scanner', '1')
self.config.set('settings', 'mode', '0')
self.config.set('settings', 'resolution', '300')
self.config.set('settings', 'brightness', '0')
self.config.set('settings', 'contrast', '0')
self.config.add_section('window')
self.config.set('window', 'tl_x', '0')
self.config.set('window', 'tl_y', '0')
self.config.set('window', 'br_x', '215')
self.config.set('window', 'br_y', '297')
self.config.set('window', 'width', '215')
self.config.set('window', 'height', '297')
self.config.add_section('zoom')
self.config.set('zoom', 'factor', '1')
self.config.set('zoom', 'preview_width', '423')
self.config.set('zoom', 'preview_height', '584')
self.config.set('zoom', 'x1', '0')
self.config.set('zoom', 'y1', '0')
self.config.set('zoom', 'x2', '423')
self.config.set('zoom', 'y2', '584')
self.config.add_section('scan')
self.config.set('scan', 'filename', 'scan_1.png')
self.config.add_section('defaults')
self.config.set('defaults', 'mode', '0')
self.config.set('defaults', 'resolution', '300')
self.config.set('defaults', 'brightness', '0')
self.config.set('defaults', 'contrast', '0')
# read config file and overwrite default values
self.config.read([os.path.expanduser('~/.sane-pygtk.cfg')])
# connect handlers
xml.signal_autoconnect(self)
# widgets
self.window1 = xml.get_widget('window1')
self.label_window = xml.get_widget('label_window')
self.menuitem_help = xml.get_widget('menuitem_help')
self.spinbutton_contrast = xml.get_widget('spinbutton_contrast')
self.spinbutton_brightness = xml.get_widget('spinbutton_brightness')
self.spinbutton_resolution = xml.get_widget('spinbutton_resolution')
self.combobox_mode = xml.get_widget('combobox_mode')
self.combobox_scanner = xml.get_widget('combobox_scanner')
self.label_filename = xml.get_widget('label_filename')
self.entry_filename = xml.get_widget('entry_filename')
self.drawingarea1 = xml.get_widget('drawingarea1')
# the pixmap and preview pixmap
self.pixmap = None
self.preview_pixmap = None
# update scan window
self.x1 = self.config.getfloat('zoom', 'x1')
self.y1 = self.config.getfloat('zoom', 'y1')
self.x2 = self.config.getfloat('zoom', 'x2')
self.y2 = self.config.getfloat('zoom', 'y2')
self.width = self.x2 - self.x1
self.height = self.y2 - self.y1
# get scanners in system
self.sane_devices = sane.get_devices()
# set the scanners combobox
for device in self.sane_devices:
self.combobox_scanner.append_text(device[2])
# get the current scanner
scanner_number = self.config.getint('settings', 'scanner') - 1
self.combobox_scanner.set_active(scanner_number)
# if scanner exist the auto call to combobox_scanner_changed will fill in all the settings
# fill in resolution, brightness and contrast
self.spinbutton_resolution.set_value(self.config.getfloat('settings', 'resolution'))
self.spinbutton_brightness.set_value(self.config.getfloat('settings', 'brightness'))
self.spinbutton_contrast.set_value(self.config.getfloat('settings', 'contrast'))
# fill in file name
filename = self.config.get('scan', 'filename')
self.entry_filename.set_text(filename)
# signal handlers
def on_window1_delete_event(self, widget, obj):
"on_window1_delete_event activated"
# write config file
print (self.config.getfloat('settings', 'resolution'))
print (self.config.getfloat('settings', 'brightness'))
print (self.config.getfloat('settings', 'contrast'))
self.config.write(open(os.path.expanduser('~/.sane-pygtk.cfg'), 'wb'))
gtk.main_quit()
def imagemenuitem_quit_activate_cb(self, obj):
"imagemenuitem_quit_activate_cb activated"
self.config.write(open(os.path.expanduser('~/.sane-pygtk.cfg'), 'wb'))
gtk.main_quit()
def button_quit_clicked_cb(self, obj):
"button_quit_clicked_cb activated"
self.config.write(open(os.path.expanduser('~/.sane-pygtk.cfg'), 'wb'))
gtk.main_quit()
def imagemenuitem_about_activate_cb(self, obj):
"imagemenuitem_about_activate_cb activated"
dialog = gtk.AboutDialog()
dialog.set_name(app_name)
dialog.set_version(app_version)
dialog.set_copyright(copyright)
dialog.set_comments(comments)
dialog.run()
dialog.destroy()
def open_scanner(self):
if len(self.sane_devices) <= 0:
show_error_message(_("No scanners reported by sane"))
raise RuntimeError("No scanners reported by sane\nRecheck your sane configuration")
# open scanner
scanner_number = self.config.getint('settings', 'scanner') - 1
if scanner_number < 0 or scanner_number >= len(self.sane_devices):
show_error_message(_("Bad scanner number %d configured.\nPlease select a valid scanner from the list") % scanner_number)
raise RuntimeError("Invalid scanner %d" % scanner_number)
scanner = sane.open(self.sane_devices[scanner_number][0])
return scanner
def button_preview_clicked_cb(self, obj):
"button_preview_clicked_cb activated"
# open scanner
scanner = self.open_scanner()
# options
options = get_scanner_option (scanner, 'mode')
if options:
scanner.mode = options[8][self.combobox_mode.get_active()]
options = get_scanner_option (scanner, 'resolution')
if options:
try:
scanner.resolution = int(options[8][0])
except AttributeError:
print "WARNING: Can't set scan resolution"
try:
scanner.brightness = int(self.spinbutton_brightness.get_value())
except AttributeError:
print "WARNING: Can't set scan brightness"
try:
scanner.contrast = int(self.spinbutton_contrast.get_value())
except AttributeError:
print "WARNING: Can't set scan contrast"
try:
scanner.preview = 1
except AttributeError:
print "WARNING: Can't set scan preview"
# geometry
try:
scanner.tl_x = 0
scanner.tl_y = 0
options = get_scanner_option (scanner, 'br-x')
scanner.br_x = options[8][1]
options = get_scanner_option (scanner, 'br-y')
scanner.br_y = options[8][1]
except AttributeError:
print "WARNING: Can't set scan geometry"
#scan
try:
pil_image = scanner.scan()
w, h = pil_image.size
data = pil_image.tostring()
if pil_image.mode == 'L':
rgb_data = ''
for c in data:
rgb_data += c + c + c
data = rgb_data
if pil_image.mode == 'RGB' or pil_image.mode == 'L':
self.pixmap = gtk.gdk.pixbuf_new_from_data(data, gtk.gdk.COLORSPACE_RGB, False, 8, w, h, w * 3)
self.config.set('zoom', 'preview_width', str(w))
self.config.set('zoom', 'preview_height', str(h))
factor = self.config.getfloat('zoom', 'factor')
self.preview_pixmap = self.pixmap.scale_simple(int(w * factor), int(h * factor), gtk.gdk.INTERP_NEAREST)
self.drawingarea1.queue_draw()
except sane._sane.error, err:
print "ERROR: Can't scan"
show_error_message(_("Can't scan preview image,\n%s,\nCheck scanner settings") % err)
# close scanner
scanner.close()
def button_scan_clicked_cb(self, obj):
"button_scan_clicked_cb activated"
# open scanner
scanner = self.open_scanner()
# options
options = get_scanner_option (scanner, 'mode')
if options:
scanner.mode = options[8][self.combobox_mode.get_active()]
try:
scanner.resolution = int(self.spinbutton_resolution.get_value())
except AttributeError:
print "WARNING: Can't set scan resolution"
try:
scanner.brightness = int(self.spinbutton_brightness.get_value())
except AttributeError:
print "WARNING: Can't set scan brightness"
try:
scanner.contrast = int(self.spinbutton_contrast.get_value())
except AttributeError:
print "WARNING: Can't set scan contrast"
try:
scanner.preview = 0
except AttributeError:
print "WARNING: Can't set scan preview"
# geometry
try:
scanner.tl_x = self.config.getfloat('window', 'tl_x')
scanner.tl_y = self.config.getfloat('window', 'tl_y')
scanner.br_x = self.config.getfloat('window', 'br_x')
scanner.br_y = self.config.getfloat('window', 'br_y')
except AttributeError:
print "WARNING: Can't set scan geometry"
#scan
try:
pil_image = scanner.scan()
pil_image.save(self.entry_filename.get_text())
except sane._sane.error, err:
print "ERROR: Can't scan"
show_error_message(_("Can't scan,\n%s,\nCheck scanner settings") % err)
# close scanner
scanner.close()
# exit program
if self.exit_after_scan:
# write config file
self.config.write(open(os.path.expanduser('~/.hocr-sane.cfg'), 'wb'))
sys.exit(99)
def imagemenuitem_zoom_in_activate_cb(self, obj):
"imagemenuitem_zoom_in_activate_cb activated"
factor = self.config.getfloat('zoom', 'factor')
factor = factor * 1.2
self.config.set('zoom', 'factor', str(factor))
w, h = self.pixmap.get_width(), self.pixmap.get_height()
self.preview_pixmap = self.pixmap.scale_simple(int(w * factor), int(h * factor), gtk.gdk.INTERP_NEAREST)
self.x1 = self.x1 * 1.2
self.y1 = self.y1 * 1.2
self.x2 = self.x2 * 1.2
self.y2 = self.y2 * 1.2
self.config.set('zoom', 'x1', str(self.x1))
self.config.set('zoom', 'y1', str(self.y1))
self.config.set('zoom', 'x2', str(self.x2))
self.config.set('zoom', 'y2', str(self.y2))
self.drawingarea1.queue_draw()
def imagemenuitem_zoom_out_activate_cb(self, obj):
"imagemenuitem_zoom_out_activate_cb activated"
factor = self.config.getfloat('zoom', 'factor')
factor = factor / 1.2
self.config.set('zoom', 'factor', str(factor))
w, h = self.pixmap.get_width(), self.pixmap.get_height()
self.preview_pixmap = self.pixmap.scale_simple(int(w * factor), int(h * factor), gtk.gdk.INTERP_NEAREST)
self.x1 = self.x1 / 1.2
self.y1 = self.y1 / 1.2
self.x2 = self.x2 / 1.2
self.y2 = self.y2 / 1.2
self.config.set('zoom', 'x1', str(self.x1))
self.config.set('zoom', 'y1', str(self.y1))
self.config.set('zoom', 'x2', str(self.x2))
self.config.set('zoom', 'y2', str(self.y2))
self.drawingarea1.queue_draw()
def imagemenuitem_normal_size_activate_cb(self, obj):
"imagemenuitem_normal_size_activate_cb activated"
factor = self.config.getfloat('zoom', 'factor')
self.x1 = self.x1 / factor
self.y1 = self.y1 / factor
self.x2 = self.x2 / factor
self.y2 = self.y2 / factor
self.config.set('zoom', 'x1', str(self.x1))
self.config.set('zoom', 'y1', str(self.y1))
self.config.set('zoom', 'x2', str(self.x2))
self.config.set('zoom', 'y2', str(self.y2))
factor = 1
self.config.set('zoom', 'factor', str(factor))
w, h = self.pixmap.get_width(), self.pixmap.get_height()
self.preview_pixmap = self.pixmap.scale_simple(int(w * factor), int(h * factor), gtk.gdk.INTERP_NEAREST)
self.drawingarea1.queue_draw()
def button_reset_clicked_cb(self, obj):
"button_reset_clicked_cb activated"
# set values
setting = self.config.getfloat('defaults', 'mode')
self.combobox_mode.set_active(int(setting))
setting = self.config.getfloat('defaults', 'resolution')
self.spinbutton_resolution.set_value(setting)
setting = self.config.getfloat('defaults', 'brightness')
self.spinbutton_brightness.set_value(setting)
setting = self.config.getfloat('defaults', 'contrast')
self.spinbutton_contrast.set_value(setting)
def drawingarea1_expose_event_cb(self, obj, event):
"drawingarea1_expose_event_cb activated"
# draw preview
gc = obj.style.fg_gc[gtk.STATE_NORMAL]
obj.window.draw_pixbuf(gc, self.preview_pixmap, 0, 0, 0, 0)
if abs(self.x1 - self.x2) < 10 and abs(self.y1 - self.y2) < 10:
x, y, width, height = 0, 0, self.preview_pixmap.get_width(), self.pixmap.get_height()
else:
if self.x1 > self.x2:
x = self.x2
width = self.x1 - x
else:
x = self.x1
width = self.x2 - x
if self.y1 > self.y2:
y = self.y2
height = self.y1 - y
else:
y = self.y1
height = self.y2 - y
# check validity
if x < 0:
x = 0
if y < 0:
y = 0
if (x + width) >= self.preview_pixmap.get_width():
width = self.preview_pixmap.get_width() - x - 1
if (y + height) >= self.preview_pixmap.get_height():
height = self.preview_pixmap.get_height() - y - 1
rect = (int(x), int(y), int(width), int(height))
# draw rect
obj.window.draw_rectangle(obj.get_style().black_gc, False,
rect[0], rect[1], rect[2], rect[3])
obj.window.draw_rectangle(obj.get_style().white_gc, False,
rect[0] + 1, rect[1] + 1, rect[2] - 2, rect[3] - 2)
# get scanner dimentions
factor = self.config.getfloat('zoom', 'factor')
w = self.config.getfloat('zoom', 'preview_width')
h = self.config.getfloat('zoom', 'preview_height')
page_width = self.config.getfloat('window', 'width')
page_height = self.config.getfloat('window', 'height')
x1 = page_width * x / (factor * w)
x2 = page_width * (x + width) / (factor * w)
y1 = page_height * y / (factor * h)
y2 = page_height * (y + height) / (factor * h)
# update window lable
self.label_window.set_text ("%d,%d : %d,%d" % (x1, y1, x2, y2))
# update config
self.config.set('window', 'tl_x', str(x1))
self.config.set('window', 'tl_y', str(y1))
self.config.set('window', 'br_x', str(x2))
self.config.set('window', 'br_y', str(y2))
width, height = self.preview_pixmap.get_width(), self.preview_pixmap.get_height()
obj.set_size_request(width, height)
return False
def drawingarea1_configure_event_cb(self, obj, event):
"drawingarea1_configure_event_cb activated"
# if no pixmap create one
if not self.pixmap:
factor = self.config.getfloat('zoom', 'factor')
w = self.config.getfloat('zoom', 'preview_width')
h = self.config.getfloat('zoom', 'preview_height')
self.pixmap = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, int(w), int(h))
self.preview_pixmap = self.pixmap.scale_simple(int(w * factor), int(h * factor), gtk.gdk.INTERP_NEAREST)
return True
def drawingarea1_button_press_event_cb(self, obj, event):
"drawingarea1_button_press_event_cb activated"
if event.button == 1 and self.pixmap != None:
self.x1, self.y1 = event.x, event.y
self.config.set('zoom', 'x1', str(self.x1))
self.config.set('zoom', 'y1', str(self.y1))
return True
def drawingarea1_motion_notify_event_cb(self, obj, event):
"drawingarea1_motion_notify_event_cb activated"
if event.is_hint:
x, y, state = event.window.get_pointer()
else:
x = event.x
y = event.y
state = event.state
if state & gtk.gdk.BUTTON1_MASK and self.pixmap != None:
self.x2, self.y2 = x, y
self.config.set('zoom', 'x2', str(self.x2))
self.config.set('zoom', 'y2', str(self.y2))
obj.queue_draw()
return True
def drawingarea1_scroll_event_cb(self, obj, event):
"drawingarea1_scroll_event_cb activated"
if event.direction == gtk.gdk.SCROLL_UP:
self.imagemenuitem_zoom_out_activate_cb(None)
else:
self.imagemenuitem_zoom_in_activate_cb(None)
return False
def combobox_scanner_changed_cb(self, obj):
"combobox_scanner_changed_cb activated"
# set config
scanner_number = obj.get_active()
self.config.set('settings', 'scanner', str(scanner_number + 1))
# reset settings options
if scanner_number < len(self.sane_devices):
try:
scanner = self.open_scanner()
# if scanner exist fill in all the settings
# mode
options = get_scanner_option (scanner, 'mode')
i = 0
# clear mode combobox
model = self.combobox_mode.get_model()
self.combobox_mode.set_model(None)
model.clear()
# add new entreis
for mode in options[8]:
model.append([mode])
self.combobox_mode.set_model(model)
mode_number = self.config.getfloat('settings', 'mode')
self.combobox_mode.set_active(int(mode_number))
# resolution
options = get_scanner_option (scanner, 'resolution')
if options:
if type(options[8]) == types.ListType:
self.spinbutton_resolution.set_range(options[8][0], options[8][-1])
else:
self.spinbutton_resolution.set_range(options[8][0], options[8][1])
# brightness
options = get_scanner_option (scanner, 'brightness')
if options:
if type(options[8]) == types.ListType:
self.spinbutton_brightness.set_range(options[8][0], options[8][-1])
else:
self.spinbutton_brightness.set_range(options[8][0], options[8][1])
# contrast
options = get_scanner_option (scanner, 'contrast')
if options:
if type(options[8]) == types.ListType:
self.spinbutton_contrast.set_range(options[8][0], options[8][-1])
else:
self.spinbutton_contrast.set_range(options[8][0], options[8][1])
# scan window dimentions
options = get_scanner_option (scanner, 'br-x')
self.config.set('window', 'width', str(options[8][1]))
options = get_scanner_option (scanner, 'br-y')
self.config.set('window', 'height', str(options[8][1]))
scanner.close()
# set values
setting = self.config.getfloat('settings', 'mode')
self.combobox_mode.set_active(int(setting))
setting = self.config.getfloat('settings', 'resolution')
self.spinbutton_resolution.set_value(setting)
setting = self.config.getfloat('settings', 'brightness')
self.spinbutton_brightness.set_value(setting)
setting = self.config.getfloat('settings', 'contrast')
self.spinbutton_contrast.set_value(setting)
except RuntimeError:
print "WARNING: Can't open scanner"
else:
print "WARNING: Scanner number is out of range"
def combobox_mode_changed_cb(self, obj):
"combobox_mode_changed_cb activated"
mode_number = obj.get_active()
self.config.set('settings', 'mode', str(mode_number))
def spinbutton_contrast_changed_cb(self, obj, val = None):
"spinbutton_contrast_changed_cb activated"
contrast = obj.get_value()
self.config.set('settings', 'contrast', str(contrast))
def spinbutton_brightness_changed_cb(self, obj, val = None):
"spinbutton_brightness_changed_cb activated"
brightness = obj.get_value()
self.config.set('settings', 'brightness', str(brightness))
def spinbutton_resolution_changed_cb(self, obj, val = None):
"spinbutton_resolution_changed_cb activated"
resolution = obj.get_value()
self.config.set('settings', 'resolution', str(resolution))
def entry_filename_changed_cb(self, obj):
"entry_filename_changed_cb activated"
filename = obj.get_text()
self.config.set('settings', 'filename', filename)
def imagemenuitem_reset_activate_cb(self, obj):
"imagemenuitem_reset_activate_cb activated"
self.button_reset_clicked_cb(None)
def imagemenuitem_scan_activate_cb(self, obj):
"imagemenuitem_scan_activate_cb activated"
self.button_scan_clicked_cb(None)
def imagemenuitem_preview_activate_cb(self, obj):
"imagemenuitem_scan_activate_cb activated"
self.button_preview_clicked_cb(None)
def imagemenuitem_save_defaults_activate_cb(self, obj):
"imagemenuitem_save_defaults_activate_cb activated"
# set values
setting = self.combobox_mode.get_active()
self.config.set('defaults', 'mode', str(setting))
setting = self.spinbutton_resolution.get_value()
self.config.set('defaults', 'resolution', str(setting))
setting = self.spinbutton_brightness.get_value()
self.config.set('defaults', 'brightness', str(setting))
setting = self.spinbutton_contrast.get_value()
self.config.set('defaults', 'contrast', str(setting))
# main window is global
main_window = None
# run main loop
def main():
global main_window
# init sane
sane_version = sane.init()
# init gui
main_window = MainWindow()
# if usage is not currect
if len(sys.argv) != 1 and len(sys.argv) != 3:
print 'usage: hocr-sane.py [--file IMAGE_OUT_FILENAME]'
sys.exit(1)
if len(sys.argv) == 3 and not (sys.argv[1] == '-f' or sys.argv[1] == '--file'):
print 'usage: hocr-sane.py [--file IMAGE_OUT_FILENAME]'
sys.exit(1)
# if this is a scan-window for other program
if len(sys.argv) == 3 and (sys.argv[1] == '-f' or sys.argv[1] == '--file'):
# hide filename edit box
main_window.label_filename.hide()
main_window.entry_filename.hide()
# hide about window
main_window.menuitem_help.hide()
# set the temporary file name
main_window.entry_filename.set_text(sys.argv[2])
main_window.exit_after_scan = True
# run
main_window.window1.show()
gtk.main()
if __name__ == "__main__":
main()
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