pycodeocr-main

[Pycodeocr-main] SF.net SVN: pycodeocr:[19] PyCodeOCR.py

[<la...@us...>]

Revision: 19
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=19&view=rev
Author:   laserb
Date:     2010-09-06 16:33:29 +0000 (Mon, 06 Sep 2010)

Log Message:
-----------
Simple fix to support orientation where it is needed.

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-09-06 16:28:39 UTC (rev 18)
+++ PyCodeOCR.py	2010-09-06 16:33:29 UTC (rev 19)
@@ -2,13 +2,13 @@
 # -*- coding: utf-8 -*-
 
 
-# python standard modules
+# python standard modules
 import os, re, sys, subprocess, time
 
-# GTK, PyGTK, GLADE (GNOME) modules
+# GTK, PyGTK, GLADE (GNOME) modules
 import pygtk
 pygtk.require('2.0')
-import gtk, gtk.glade
+import gtk, gtk.glade
 import gobject
 
 # PIL image library and it's SANE bindings
@@ -57,12 +57,12 @@
 # MainWindow
 # The GUI was created/designed using GLADE
 #
-class MainWindowGTK:
+class MainWindowGTK:
 	"""
 	PyCodeOCR main GUI window and application class.
 	"""
 
-	# initialization
+	# initialization
 	# (variables)
 	max_retry      = 3						# max. scan attempts
 	valid_code_len = [ 53, 42, 32 ]					# valid code lenghts
@@ -91,13 +91,13 @@
 		""" ... """
 		# retrieve widgets
 		self.gladefile		= raw_path + ".glade"
-		self.xml		= gtk.glade.XML(self.gladefile)
-		self.window1		= self.xml.get_widget('window1')
+		self.xml		= gtk.glade.XML(self.gladefile)
+		self.window1		= self.xml.get_widget('window1')
 		self.togglebutton1	= self.xml.get_widget('togglebutton1')
 		self.button2		= self.xml.get_widget('button2')
 		self.image1		= self.xml.get_widget('image1')
 		self.entry1		= self.xml.get_widget('entry1')
-		self.progressbar1	= self.xml.get_widget('progressbar1')
+		self.progressbar1	= self.xml.get_widget('progressbar1')
 		self.combobox1		= self.xml.get_widget('combobox1')
 		self.combobox2		= self.xml.get_widget('combobox2')
 		self.spinbutton1        = self.xml.get_widget('spinbutton1')
@@ -151,7 +151,6 @@
 
 	def on_combobox1_changed(self, source=None, event=None):
 		""" Combobox changed signal handler. """
-		#orient = self.combobox1.get_active()
 		orient = self.combobox1.get_model()[self.combobox1.get_active()][0]
 
 		self.spinbutton1.set_value(std_scan_koords[orient][0][0])
@@ -224,8 +223,9 @@
 				'valid_code_len':	self.valid_code_len,
 				'resolution':		600, }
 		elif	(op_mode == self.MDE['barcode']):		# 1: barcode (gocr)
+			self.on_combobox1_changed()			# orientation mode
 			self.scan_koords = std_scan_koords["A4"][0]
-			self.mode        = std_scan_koords["A4"][1]
+			#self.mode        = std_scan_koords["A4"][1]
 			opt = { 'tmp_file':		"02.pnm",
 				'recog_class':		RunExternal,
 				'recog_cmd':		self.cmd_gocr % (self.temp+"02",),
@@ -233,6 +233,7 @@
 				'valid_code_len':	[ 13, 10, 9 ],
 				'resolution':		300, }
 		elif	(op_mode == self.MDE['DataMatrix']):		# 2: DataMatrix (libdmtx)
+			#self.on_combobox1_changed()			# orientation mode
 			self.scan_koords = std_scan_koords["A4"][0]
 			self.mode        = std_scan_koords["A4"][1]
 			opt = { 'tmp_file':		"02.jpg",					# some issues with recogition
@@ -282,7 +283,6 @@
 		# Adjust and rotate the retrieved data
 		# (2/?)
 		self.progress(2./max_steps, "Adjusting image/picture data...")
-		#mode = 90 * self.combobox1.get_active()
 		mode = self.mode
 		self.run_convert = RunExternal(self.cmd_convert % (inp_file, mode, self.temp+opt['tmp_file']), error_msg=[ "convert: unable to open image" ])
 #		self.run_convert = RunMagickWand(inp_file, mode*90, self.temp+opt['tmp_file'])
@@ -312,12 +312,18 @@
 			return None
 
 		if	(op_mode == self.MDE['invoices']):	# 0: invoices
-			df = file(self.temp+"03.txt", "r")
-			data = df.read(-1)
-			df.close()
-			origdata = data
-
-			os.remove(self.temp+"03.txt")		# clean-up
+			# Simple workaround: The program simply continuous if no text is found at all
+			# and therefore no txt-file is generated.
+			if not os.path.exists(self.temp+"03.txt"):
+				origdata = "$"
+				data = "$"
+			else:
+				df = file(self.temp+"03.txt", "r")
+				data = df.read(-1)
+				df.close()
+				origdata = data
+				os.remove(self.temp+"03.txt")		# clean-up
+				
 		elif	(op_mode == self.MDE['barcode']):	# 1: barcode
 			# (cheap'n'ugly but working...)
 			raw_data = self.regex_gocr.search(self.run_recognition.stdout).groups()
@@ -527,9 +533,9 @@
 		""" Execute external shell command. """
 		if piped:
 			run = subprocess.Popen( self.cmd,
-						stdin =subprocess.PIPE, 
-						stdout=subprocess.PIPE, 
-						stderr=subprocess.PIPE, 
+						stdin =subprocess.PIPE, 
+						stdout=subprocess.PIPE, 
+						stderr=subprocess.PIPE, 
 						shell=True )
 			(stdoutdata, stderrdata) = run.communicate()
 			return ((max(map(stderrdata.find, self.error_msg)) != -1), stdoutdata, stderrdata)


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[Pycodeocr-main] SF.net SVN: pycodeocr:[21] PyCodeOCR.py

[<la...@us...>]

Revision: 21
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=21&view=rev
Author:   laserb
Date:     2010-09-07 14:29:34 +0000 (Tue, 07 Sep 2010)

Log Message:
-----------
change sensitivity if option is not available / select file input if a file is opened / show image for other than barcode too / some errorhandling for sane (don't crash if no device is found / possibility to restart / possibility to select printer in commandline if an argument is given)

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-09-07 14:24:34 UTC (rev 20)
+++ PyCodeOCR.py	2010-09-07 14:29:34 UTC (rev 21)
@@ -53,7 +53,6 @@
                     "A4":      ((   0,   0, 296, 215 ),   0), }		# scan whole range (A4: http://www.cl.cam.ac.uk/~mgk25/iso-paper.html)
                     #"A4":      ((   0,   0, 290, 210 ),   0), }		# (more secure; with small border)
 
-
 # MainWindow
 # The GUI was created/designed using GLADE
 #
@@ -94,10 +93,13 @@
 		self.xml		= gtk.glade.XML(self.gladefile)
 		self.window1		= self.xml.get_widget('window1')
 		self.togglebutton1	= self.xml.get_widget('togglebutton1')
+		self.button1		= self.xml.get_widget('button1')
 		self.button2		= self.xml.get_widget('button2')
+		self.frame1		= self.xml.get_widget('frame1')
 		self.image1		= self.xml.get_widget('image1')
 		self.entry1		= self.xml.get_widget('entry1')
 		self.progressbar1	= self.xml.get_widget('progressbar1')
+		self.label5		= self.xml.get_widget('label5')
 		self.combobox1		= self.xml.get_widget('combobox1')
 		self.combobox2		= self.xml.get_widget('combobox2')
 		self.spinbutton1        = self.xml.get_widget('spinbutton1')
@@ -124,19 +126,37 @@
 		if "pdf417decode" not in pakages:
 			self.combobox2.remove_text(3)
 			self.combobox2.insert_text(3, "< not installed >")
-		self.radiobutton2.set_active(True)
-		self.on_radiobutton1_toggled()
+		#self.on_radiobutton1_toggled()
+		
 
 		# connect signal handlers
 		self.xml.signal_autoconnect( self )
-
+		
 		# take some time to init sane
-		self.run_sane = RunSANE()
-
+		self.init_sane()
+		
 		# display window
 		self.window1.show()
 
 		return
+	
+	def init_sane(self, source=None):
+		self.run_sane = RunSANE()
+		
+		if self.run_sane.found_scanner:
+			self.radiobutton2.set_active(True)
+			self.radiobutton2.set_sensitive(True)
+		else:
+			self.radiobutton1.set_active(True)
+			self.radiobutton2.set_sensitive(False)
+			self.on_radiobutton1_toggled()
+			self.progressbar1.set_text("No sane device found.")
+			self.button1.set_visible(True)
+		
+		#Try to set orientation and placement sensitive. Will fail if no device is found
+		self.toggle_orientation_sensitive(True)
+		self.toggle_placement_sensitive(True)
+			
 
 	def run(self):
 		""" Run gtk mainloop and with it THIS APP. """
@@ -159,6 +179,21 @@
 		self.spinbutton4.set_value(std_scan_koords[orient][0][3])
 
 		self.mode = std_scan_koords[orient][1]
+		
+	def on_combobox2_changed(self, source=None):
+		op_mode     = self.combobox2.get_active()
+		if	(op_mode == self.MDE['invoices']):
+			self.toggle_placement_sensitive(True)
+			self.toggle_orientation_sensitive(True)
+		elif	(op_mode == self.MDE['barcode']):
+			self.toggle_placement_sensitive(False)
+			self.toggle_orientation_sensitive(True)
+		elif	(op_mode == self.MDE['DataMatrix']):
+			self.toggle_placement_sensitive(False)
+			self.toggle_orientation_sensitive(False)
+		elif	(op_mode == self.MDE['PDF417']):
+			self.toggle_placement_sensitive(True)
+			self.toggle_orientation_sensitive(True)
 
 	def on_togglebutton1_toggled(self, source=None, event=None, *a):
 		""" ToggleButton: 'scan'/'stop'. """
@@ -189,19 +224,40 @@
 			self.refresh()
 		return
 
+		
+	def on_button1_clicked(self, source=None, event=None):
+		""" Button: 'exit'. """
+		os.execv(sys.argv[0],sys.argv)
+		self.on_window1_destroy()
+		
 	def on_button2_clicked(self, source=None, event=None):
 		""" Button: 'exit'. """
 		self.on_window1_destroy()
-
+	
 	def on_window1_destroy(self, source=None, event=None):
 		""" Window closed signal handler. """
 		gtk.main_quit()
 
 	def on_radiobutton1_toggled(self, source=None, event=None):
-		self.filechooserbutton1.set_sensitive( self.radiobutton1.get_active() )
+		#self.filechooserbutton1.set_sensitive( self.radiobutton1.get_active() )
+		self.on_combobox2_changed()
+				
+	def on_radiobutton2_toggled(self, source=None, event=None):
+		self.on_combobox2_changed()
+	
+	def on_filechooserbutton1_file_set(self, source=None):
+		self.radiobutton1.set_active(True)
 
-	#def on_radiobutton2_toggled(self, source=None, event=None):
-	#	pass
+			
+	def toggle_orientation_sensitive(self, value):
+		self.label5.set_sensitive(value)
+		self.combobox1.set_sensitive(value)
+			
+	def toggle_placement_sensitive(self, value):
+		if self.radiobutton2.get_active():
+			self.frame1.set_sensitive(value)
+		else:
+			self.frame1.set_sensitive(False)
 
 	# helpers
 	#	
@@ -290,8 +346,8 @@
 		if self.run_convert():
 			self.progress(0., self.run_convert.stderr[:-1])
 			return None			
-		if	(op_mode == self.MDE['invoices']):	# 0: invoices
-			self.setimage( self.temp+opt['tmp_file'] )
+		#if	(op_mode == self.MDE['invoices']):	# 0: invoices
+		self.setimage( self.temp+opt['tmp_file'] )
 		if source_mode:			# SANE scanning interface
 			os.remove(inp_file)			# clean-up
 		del self.run_convert
@@ -440,15 +496,33 @@
 		# free from: http://www.pythonware.com/products/pil/index.htm
 		# tested with Python24 vegaseat 11oct2005
 		# open an image file (.bmp,.jpg,.png,.gif) you have in the working folder
-		im1 = Image.open(imageFile)
-		# adjust width and height to your needs
-		(width, height) = self.image1.get_size_request()
+		print imageFile[-3:]
+		if imageFile[-3:] in ["bmp","jpg","png","gif"]:
+			print "already in right format"			
+			im1 = Image.open(imageFile)
+		else:
+			print "convert Image"
+			self.run_convert = RunExternal(self.cmd_convert % (imageFile, 0, self.temp+"04.jpg"), error_msg=[ "convert: unable to open image" ])
+			if self.run_convert():
+				self.progress(0., self.run_convert.stderr[:-1])
+				return None		
+			im1 = Image.open(self.temp+"04.jpg")
+			
+		# adjust width and height to your needs and keep ratio
+		(im_width, im_height) = im1.size 	#get image size
+		(width, height) = self.image1.get_size_request() #get needed size
+		ratio = min(float(width)/im_width,float(height)/im_height) #calculate resizing ratio
+		new_width = int(im_width*ratio)
+		new_height = int(im_height*ratio)
+		
 		# use one of these filter options to resize the image
-		#im = im1.resize((width, height), Image.NEAREST) # use nearest neighbour
-		im = im1.resize((width, height), Image.BILINEAR) # linear interpolation in a 2x2 environment
-		#im = im1.resize((width, height), Image.BICUBIC) # cubic spline interpolation in a 4x4 environment
-		#im = im1.resize((width, height), Image.ANTIALIAS) # best down-sizing filter
+		
+		#im = im1.resize((new_width, new_height), Image.NEAREST) # use nearest neighbour
+		im = im1.resize((new_width, new_height), Image.BILINEAR) # linear interpolation in a 2x2 environment
+		#im = im1.resize((new_width, new_height), Image.BICUBIC) # cubic spline interpolation in a 4x4 environment
+		#im = im1.resize((new_width, new_height), Image.ANTIALIAS) # best down-sizing filter
 		#ext = ".jpg"
+		
 		image_file = self.temp+"04.jpg"
 		im.save( image_file )
 		self.image1.set_from_file( image_file )
@@ -643,21 +717,37 @@
 		#sys.path.append('.')
 
 		# init SANE
-		self.version = sane.init()
-		self.devices = sane.get_devices()
-		self.dev     = sane.get_devices()[0][0]	# choose first device
+		try:
+			devnr = 0
+			self.version = sane.init()
+			self.devices = sane.get_devices()
+			print "\n"
+			for i in range(len(self.devices)):
+				print str(i)+": "+self.devices[i][1]+" "+self.devices[i][2]
+			if len(self.devices) > 1 and sys.argv[1:]:
+				devnr = raw_input("Choose device: ")
+				
+			self.dev     = sane.get_devices()[devnr][0]	# choose first device
+		
+			# open scanner device
+			self.scanner = sane.open(self.dev)
+			self.params  = self.scanner.get_parameters()
+			self.opts    = self.scanner.get_options()
+			
+			self.found_scanner = True
+			
+			print "done."
+		
+		except:
+			self.found_scanner = False
+			print "No sane device found."
+		
 
-		# open scanner device
-		self.scanner = sane.open(self.dev)
-		self.params  = self.scanner.get_parameters()
-		self.opts    = self.scanner.get_options()
-
-		print "done."
-
 	def post_init(self, coords, out_filename):
 		""" Not init of sane and scanner, but of scan operation. """
 		self.coords       = coords
 		self.out_filename = out_filename
+		self.info()
 
 	def __call__(self):
 		(self.error, self.stdout, self.stderr) = self._run()
@@ -696,11 +786,11 @@
 		""" Show some info about the scanner and SANE. """
 		print 'SANE version:', self.version
 		print 'Available devices=', self.devices
-		print 'Selected device=', self.dev#, "\n"
+		print 'Selected device=', self.dev #, "\n"
 
 		print 'SaneDev object=', self.scanner
 		print 'Device parameters:', self.params
-		print 'Device options:', "\n".join(self.opts)
+		#print 'Device options:', "\n",self.opts
 
 
 


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[Pycodeocr-main] SF.net SVN: pycodeocr:[22] PyCodeOCR.py

[<la...@us...>]

Revision: 22
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=22&view=rev
Author:   laserb
Date:     2010-09-07 20:59:46 +0000 (Tue, 07 Sep 2010)

Log Message:
-----------
try to fix issue with file input. change inp_file to self.inp_file. only get filename if filechooserbutton1 changed. / changed datamatrix recognition to external dmtxread

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-09-07 14:29:34 UTC (rev 21)
+++ PyCodeOCR.py	2010-09-07 20:59:46 UTC (rev 22)
@@ -32,7 +32,7 @@
 	print "gocr found."
 # libdmtx bindings
 try:
-	from pydmtx import DataMatrix
+	#from pydmtx import DataMatrix
 	pakages.append( "libdmtx" )
 	print "libdmtx and pydmtx found."
 except:	pass
@@ -247,6 +247,10 @@
 	
 	def on_filechooserbutton1_file_set(self, source=None):
 		self.radiobutton1.set_active(True)
+		self.inp_file = self.filechooserbutton1.get_filename()
+		if not os.path.exists(self.inp_file):
+			self.progress(0., "File not found!")
+			return None
 
 			
 	def toggle_orientation_sensitive(self, value):
@@ -292,10 +296,17 @@
 			#self.on_combobox1_changed()			# orientation mode
 			self.scan_koords = std_scan_koords["A4"][0]
 			self.mode        = std_scan_koords["A4"][1]
+			#pydmtx recognition
+#			opt = { 'tmp_file':		"02.jpg",					# some issues with recogition
+#				'recog_class':		RunLibdmtx,					#  .
+#				'recog_cmd':		self.temp+"02.jpg",				# of different file formats
+#				'recog_error_msg':	[ None ],					#  .
+			#dmtxread recognition
 			opt = { 'tmp_file':		"02.jpg",					# some issues with recogition
-				'recog_class':		RunLibdmtx,					#  .
-				'recog_cmd':		self.temp+"02.jpg",				# of different file formats
-				'recog_error_msg':	[ None ],					#  .
+				'recog_class':		RunExternal,					#  .
+				'recog_cmd':		"dmtxread "+self.temp+"02.jpg",				# of different file formats
+				'recog_error_msg':	[ "error" ],					#  .
+			
 			#opt = { 'tmp_file':		"02.bmp",					# and drawing/marking the
 			#	'recog_cmd':		(self.temp+"02.bmp", [ None ], RunLibdmtx), }	# processed region(s)...
 			#opt = { 'tmp_file':		"02.png",					# (but this should work for 'tif')
@@ -329,10 +340,10 @@
 			#del self.run_sane
 		else:				# direct file input
 			self.progress(1./max_steps, "Reading image...")
-			inp_file = self.filechooserbutton1.get_filename()
-			if not os.path.exists(inp_file):
-				self.progress(0., "File not found!")
-				return None
+			#self.inp_file = self.filechooserbutton1.get_filename()
+			#if not os.path.exists(self.inp_file):
+			#	self.progress(0., "File not found!")
+			#	return None
 		self.refresh()
 		if self.__stop: return
 
@@ -340,7 +351,7 @@
 		# (2/?)
 		self.progress(2./max_steps, "Adjusting image/picture data...")
 		mode = self.mode
-		self.run_convert = RunExternal(self.cmd_convert % (inp_file, mode, self.temp+opt['tmp_file']), error_msg=[ "convert: unable to open image" ])
+		self.run_convert = RunExternal(self.cmd_convert % (self.inp_file, mode, self.temp+opt['tmp_file']), error_msg=[ "convert: unable to open image" ])
 #		self.run_convert = RunMagickWand(inp_file, mode*90, self.temp+opt['tmp_file'])
 		# improve quality by using imagemagicks filter and conversion capabilities...
 		if self.run_convert():
@@ -391,11 +402,13 @@
 			data     = eval( raw_data )
 			origdata = str(data)
 		elif	(op_mode == self.MDE['DataMatrix']):	# 2: DataMatrix (libdmtx)
-			if self.run_recognition.count == 1:
-				data = self.run_recognition.message[0]
-			else:
-				data = str(self.run_recognition.message)
-			origdata = str(self.run_recognition.stats)
+			data = self.run_recognition.stdout
+			#pydmtx recognition
+#			if self.run_recognition.count == 1:
+#				data = self.run_recognition.message[0]
+#			else:
+#				data = str(self.run_recognition.message)
+#			origdata = str(self.run_recognition.stats)
 		elif	(op_mode == self.MDE['PDF417']):	# 3: PDF417 barcode (pdf417decode/wine)
 			data     = self.run_recognition.stdout.split("\r\n")[1]
 			origdata = data
@@ -431,12 +444,15 @@
 				data = "type: " + data['type']
 			#check = check and ( len(data) in opt['valid_code_len'] )	# correct code len?
 		elif	(op_mode == self.MDE['DataMatrix']):	# 2: DataMatrix (libdmtx)
-			check = not self.run_recognition.error
-			if check:
-				print self.run_recognition.decode
-				print self.run_recognition.count
-				#print self.run_recognition.message
-				print self.run_recognition.stats
+			check = not (self.run_recognition.error == "error")
+			#pydmtx recognition
+#			check = not self.run_recognition.error
+#			if check:
+#				print self.run_recognition.decode
+#				print self.run_recognition.count
+#				#print self.run_recognition.message
+#				print self.run_recognition.stats
+				
 		elif	(op_mode == self.MDE['PDF417']):	# 3: PDF417 barcode (pdf417decode/wine)
 			check = not self.run_recognition.error
 		print data, len(data), check
@@ -498,10 +514,10 @@
 		# open an image file (.bmp,.jpg,.png,.gif) you have in the working folder
 		print imageFile[-3:]
 		if imageFile[-3:] in ["bmp","jpg","png","gif"]:
-			print "already in right format"			
+			#already in right format
 			im1 = Image.open(imageFile)
 		else:
-			print "convert Image"
+			#convert Image
 			self.run_convert = RunExternal(self.cmd_convert % (imageFile, 0, self.temp+"04.jpg"), error_msg=[ "convert: unable to open image" ])
 			if self.run_convert():
 				self.progress(0., self.run_convert.stderr[:-1])
@@ -617,54 +633,54 @@
 			os.system( self.cmd )
 			return (False, "", "")
 
-class RunLibdmtx:
-	""" Use libdmtx python wrapper/bindings (pydmtx). """
+#class RunLibdmtx:
+#	""" Use libdmtx python wrapper/bindings (pydmtx). """
 
-	def __init__(self, cmd, error_msg):
-		#self.cmd        = cmd
-		#self.error_msg += error_msg
-		self.filename   = cmd
+#	def __init__(self, cmd, error_msg):
+#		#self.cmd        = cmd
+#		#self.error_msg += error_msg
+#		self.filename   = cmd
 
-	def __call__(self):
-		(self.error, self.stdout, self.stderr) = self._run()
-		return self.error
+#	def __call__(self):
+#		(self.error, self.stdout, self.stderr) = self._run()
+#		return self.error
 
-	# thanks to: http://www.pastequestion.com/blog/python/how-to-use-python-imaging-library.html
-	def _run(self):
-		""" Read a Data Matrix barcode. """
-		dm_read = DataMatrix()
-		#print self.filename
-		img = Image.open(self.filename)
-		try:
-			self.decode  = dm_read.decode(img.size[0], img.size[1], buffer(img.tostring()))
-			self.count   = dm_read.count()
-			self.message = [ dm_read.message(i+1) for i in range(self.count) ]
-			self.stats   = [ dm_read.stats(i+1) for i in range(self.count) ]
-		except:
-			return (True, "error", sys.exc_info()[1])
+#	# thanks to: http://www.pastequestion.com/blog/python/how-to-use-python-imaging-library.html
+#	def _run(self):
+#		""" Read a Data Matrix barcode. """
+#		dm_read = DataMatrix()
+#		#print self.filename
+#		img = Image.open(self.filename)
+#		try:
+#			self.decode  = dm_read.decode(img.size[0], img.size[1], buffer(img.tostring()))
+#			self.count   = dm_read.count()
+#			self.message = [ dm_read.message(i+1) for i in range(self.count) ]
+#			self.stats   = [ dm_read.stats(i+1) for i in range(self.count) ]
+#		except:
+#			return (True, "error", sys.exc_info()[1])
 
-		print "Detected %i DataMatrix barcodes" % self.count
-		for i in range(self.count):
-			print "Code # %i:" % (i+1)
-			print self.message[i]
-			stats = self.stats[i]
-			print stats
+#		print "Detected %i DataMatrix barcodes" % self.count
+#		for i in range(self.count):
+#			print "Code # %i:" % (i+1)
+#			print self.message[i]
+#			stats = self.stats[i]
+#			print stats
 
-			# mark the recognized region and save back to file
-			points = list(stats[1])
-			points.append(points[0])
-			draw = ImageDraw.Draw(img)
-			old = points[0]
-			for i, xy in enumerate(points[1:]):
-				#draw.line(old+xy, fill=(0, 255, 0), width=2)
-				#draw.line(old+xy, fill=(0, 255, 0))
-				draw.line(old+xy, fill="rgb(0, 255, 0)")
-				old = xy
-		img.save(self.filename)
+#			# mark the recognized region and save back to file
+#			points = list(stats[1])
+#			points.append(points[0])
+#			draw = ImageDraw.Draw(img)
+#			old = points[0]
+#			for i, xy in enumerate(points[1:]):
+#				#draw.line(old+xy, fill=(0, 255, 0), width=2)
+#				#draw.line(old+xy, fill=(0, 255, 0))
+#				draw.line(old+xy, fill="rgb(0, 255, 0)")
+#				old = xy
+#		img.save(self.filename)
 
-		#return (False, self.message, "")
-		#print self.stats, (self.count == 0)
-		return ((self.count == 0), self.message, "")
+#		#return (False, self.message, "")
+#		#print self.stats, (self.count == 0)
+#		return ((self.count == 0), self.message, "")
 
 #class RunMagickWand:
 #	""" Use Python bindings to ImageMagick's MagickWand API. """


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[Pycodeocr-main] SF.net SVN: pycodeocr:[24] PyCodeOCR.py

[<la...@us...>]

Revision: 24
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=24&view=rev
Author:   laserb
Date:     2010-09-11 07:34:37 +0000 (Sat, 11 Sep 2010)

Log Message:
-----------
init sane after GUI is loaded. this way we can give feedback what we are doing. / first try to allow a graphical possibility to select a device if more than one is found. (maybe not so nice, but simple)

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-09-11 07:31:54 UTC (rev 23)
+++ PyCodeOCR.py	2010-09-11 07:34:37 UTC (rev 24)
@@ -3,8 +3,9 @@
 
 
 # python standard modules
-import os, re, sys, subprocess, time
+import os, re, sys, subprocess, time, gobject
 
+
 # GTK, PyGTK, GLADE (GNOME) modules
 import pygtk
 pygtk.require('2.0')
@@ -89,6 +90,7 @@
 	def __init__(self):
 		""" ... """
 		# retrieve widgets
+		# window1 - main window
 		self.gladefile		= raw_path + ".glade"
 		self.xml		= gtk.glade.XML(self.gladefile)
 		self.window1		= self.xml.get_widget('window1')
@@ -109,6 +111,10 @@
 		self.radiobutton1       = self.xml.get_widget('radiobutton1')
 		self.radiobutton2       = self.xml.get_widget('radiobutton2')
 		self.filechooserbutton1 = self.xml.get_widget('filechooserbutton1')
+		# window2 - sane
+		self.window2		= self.xml.get_widget('window2')
+		self.treeview1 = self.xml.get_widget('treeview1')
+		self.button3		= self.xml.get_widget('button3')
 
 		# initiate orientation and position
 		self.combobox1.set_active(0)
@@ -132,17 +138,57 @@
 		# connect signal handlers
 		self.xml.signal_autoconnect( self )
 		
+		
 		# take some time to init sane
-		self.init_sane()
+		#self.init_sane()
 		
+		# init sane when idle, hopefully this is right after GUI is loaded
+		gobject.idle_add(self.init_sane)
+		
+		
 		# display window
 		self.window1.show()
 
 		return
 	
 	def init_sane(self, source=None):
-		self.run_sane = RunSANE()
+		# lock window
+		self.window1.set_sensitive(False)
+		# init sane
+		self.run_sane = RunSANE(self.progress, self.window2, self.treeview1)
 		
+		# try to set sensitivity, fails if no scanner is initialized yet
+		try:
+			self.init_sensitivity()
+		except:
+			# set default row to first
+			self.treeview1.set_cursor(0)
+			
+			# show window with device list
+			# choose device and press ok to initialize scanner
+			self.window2.show()
+		
+		return False
+			
+
+	def run(self):
+		""" Run gtk mainloop and with it THIS APP. """
+		gtk.main()
+
+	# signals / glade callbacks
+	#	
+	def on_button3_clicked(self, source=None):
+		# get selection from treeview
+		devnr = self.treeview1.get_cursor()[0][0]
+		# hide window
+		self.window2.destroy()
+		# init scanner
+		self.run_sane.init_scanner(self.progress, self.window2, self.treeview1, devnr)
+		# set sensitivity
+		self.init_sensitivity()
+	
+	def init_sensitivity(self):
+		# set sensitivity
 		if self.run_sane.found_scanner:
 			self.radiobutton2.set_active(True)
 			self.radiobutton2.set_sensitive(True)
@@ -150,20 +196,16 @@
 			self.radiobutton1.set_active(True)
 			self.radiobutton2.set_sensitive(False)
 			self.on_radiobutton1_toggled()
-			self.progressbar1.set_text("No sane device found.")
+			self.progress(0.,"No SANE device found. Use file input instead.")
 			self.button1.set_visible(True)
-		
-		#Try to set orientation and placement sensitive. Will fail if no device is found
+			
+		# unlock window
+		self.window1.set_sensitive(True)
+	
+		# Try to set orientation and placement sensitive. Will fail if no device is found
 		self.toggle_orientation_sensitive(True)
 		self.toggle_placement_sensitive(True)
-			
-
-	def run(self):
-		""" Run gtk mainloop and with it THIS APP. """
-		gtk.main()
-
-	# signals / glade callbacks
-	#	
+		
 	def on_spinbutton_value_changed(self, source=None, event=None):
 		""" Spinbutton value changed signal handler. """
 		self.scan_koords = (self.spinbutton1.get_value(),self.spinbutton2.get_value(),
@@ -237,6 +279,16 @@
 	def on_window1_destroy(self, source=None, event=None):
 		""" Window closed signal handler. """
 		gtk.main_quit()
+		
+	def on_window2_destroy(self, source=None):
+		# when windows is closed by pressing the x-button
+		# choose first device
+		if source != None:
+			devnr = 0
+			# init scanner
+			self.run_sane.init_scanner(self.progress, self.window2, self.treeview1, devnr)
+			# set sensitivity
+			self.init_sensitivity()
 
 	def on_radiobutton1_toggled(self, source=None, event=None):
 		#self.filechooserbutton1.set_sensitive( self.radiobutton1.get_active() )
@@ -244,14 +296,13 @@
 				
 	def on_radiobutton2_toggled(self, source=None, event=None):
 		self.on_combobox2_changed()
-	
+
 	def on_filechooserbutton1_file_set(self, source=None):
 		self.radiobutton1.set_active(True)
 		self.inp_file = self.filechooserbutton1.get_filename()
 		if not os.path.exists(self.inp_file):
 			self.progress(0., "File not found!")
 			return None
-
 			
 	def toggle_orientation_sensitive(self, value):
 		self.label5.set_sensitive(value)
@@ -351,6 +402,12 @@
 		# (2/?)
 		self.progress(2./max_steps, "Adjusting image/picture data...")
 		mode = self.mode
+		try:
+			self.inp_file
+		except:
+			print "No input file. Please select input file or SANE Interface."
+			#self.progress(0., "No input file. Please select input file or SANE Interface.")
+			return None
 		self.run_convert = RunExternal(self.cmd_convert % (self.inp_file, mode, self.temp+opt['tmp_file']), error_msg=[ "convert: unable to open image" ])
 #		self.run_convert = RunMagickWand(inp_file, mode*90, self.temp+opt['tmp_file'])
 		# improve quality by using imagemagicks filter and conversion capabilities...
@@ -724,39 +781,79 @@
 
 	resolution = 600
 
-	def __init__(self):
+	def __init__(self, progress, window2, treeview):
 		""" Init of sane and scanner. """
 		print "init sane python interface ...",
 		sys.stdout.flush()
 
 		# Get the path set up properly
 		#sys.path.append('.')
+		
+		# create treeview things
+		list_store = gtk.ListStore(gobject.TYPE_STRING)
+		treeview.set_model(list_store)
+		col = gtk.TreeViewColumn("Devices", gtk.CellRendererText(),text=0)
+		treeview.append_column(col)
 
 		# init SANE
+		self.n=4.
+		progress(0.,"init sane python interface ...")
 		try:
-			devnr = 0
 			self.version = sane.init()
+			progress(1./self.n,"init sane python interface ... search devices")
 			self.devices = sane.get_devices()
 			print "\n"
+			# add found devices to treeview
 			for i in range(len(self.devices)):
 				print str(i)+": "+self.devices[i][1]+" "+self.devices[i][2]
-			if len(self.devices) > 1 and sys.argv[1:]:
-				devnr = raw_input("Choose device: ")
+				list_store.append([self.devices[i][1]+" "+self.devices[i][2]])
+			
+			# check how many devices we found
+			if len(self.devices) > 1:
+				# more than one device, choose one.
+				progress(2./self.n,"More than one device found.")
+				if sys.argv[1:]:
+					# choose one by command line
+					devnr = raw_input("Choose device: ")
+					progress(2./self.n,"More than one device found. Choose device number %i" % devnr)
+					# continue to init scanner
+					self.init_scanner(progress, window2, treeview, devnr)
+				else:
+					# simply continue and select device in GUI ( look in init_sane )
+					progress(2./self.n,"More than one device found.")
 				
+			else:
+				# only one device found
+				progress(2./self.n,"Device: %s" % self.devices[0][1]+" "+self.devices[0][2])
+				# continue to init scanner
+				self.init_scanner(progress, window2, treeview, 0)
+		
+		except:
+			# No device found at all
+			self.found_scanner = False
+			print "No sane device found. Restart to try it again."
+			
+	def init_scanner(self, progress, window2, treeview, devnr):
+		
+		try:	
+			# finish init device
 			self.dev     = sane.get_devices()[devnr][0]	# choose first device
-		
+			progress(3./self.n,"Device initialized. Open scanner...")
+	
 			# open scanner device
 			self.scanner = sane.open(self.dev)
 			self.params  = self.scanner.get_parameters()
 			self.opts    = self.scanner.get_options()
-			
+		
 			self.found_scanner = True
-			
+		
+			progress(4./self.n,"Ready.")
 			print "done."
-		
+	
 		except:
+			# init scanner failed. maybe device has no scanner
 			self.found_scanner = False
-			print "No sane device found."
+			print "Loading sane device failed. Restart to try it again."
 		
 
 	def post_init(self, coords, out_filename):


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[Pycodeocr-main] SF.net SVN: pycodeocr:[26] PyCodeOCR.py

[<la...@us...>]

Revision: 26
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=26&view=rev
Author:   laserb
Date:     2010-09-12 19:05:23 +0000 (Sun, 12 Sep 2010)

Log Message:
-----------
replace remaining inp_file to self.inp_file

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-09-12 19:04:08 UTC (rev 25)
+++ PyCodeOCR.py	2010-09-12 19:05:23 UTC (rev 26)
@@ -381,9 +381,9 @@
 		# (1/?)
 		if source_mode:			# SANE scanning interface
 			self.progress(1./max_steps, "Scanning data...")
-			inp_file = self.temp+"01.tif"
+			self.inp_file = self.temp+"01.tif"
 			#self.run_sane = RunExternal(self.cmd_scan % ( self.scan_koords + (inp_file,) ), [ "no SANE devices found" ])
-			self.run_sane.post_init(self.scan_koords, inp_file)		# RunSANE().post_init(...) 2nd part of __init__(...)
+			self.run_sane.post_init(self.scan_koords, self.inp_file)		# RunSANE().post_init(...) 2nd part of __init__(...)
 			self.run_sane.resolution = opt["resolution"]
 			if self.run_sane():
 				self.progress(0., self.run_sane.stderr[:-1])
@@ -417,7 +417,7 @@
 		#if	(op_mode == self.MDE['invoices']):	# 0: invoices
 		self.setimage( self.temp+opt['tmp_file'] )
 		if source_mode:			# SANE scanning interface
-			os.remove(inp_file)			# clean-up
+			os.remove(self.inp_file)			# clean-up
 		del self.run_convert
 		self.refresh()
 		if self.__stop: return


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[Pycodeocr-main] SF.net SVN: pycodeocr:[28] PyCodeOCR.py

[<la...@us...>]

Revision: 28
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=28&view=rev
Author:   laserb
Date:     2010-11-09 07:44:23 +0000 (Tue, 09 Nov 2010)

Log Message:
-----------
show bigger image on mouse over

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-10-25 18:39:31 UTC (rev 27)
+++ PyCodeOCR.py	2010-11-09 07:44:23 UTC (rev 28)
@@ -181,6 +181,9 @@
 		
 		# connect eventbox to close image window
 		self.eventbox1.connect('button_press_event', self.on_eventbox2_button_press_event)
+		self.window1.connect('motion_notify_event', self.on_pointer_motion)
+		self.window3.connect('leave-notify-event', self.on_leave_window)
+		(self.new_width, self.new_height ) = (0,0)
 		
 		# set tooltips
 		self.button1.set_tooltip_text("Restart PyCodeOCR to search for a SANE device.")
@@ -226,6 +229,17 @@
 
 	## signals / glade callbacks
 	#	
+	def on_leave_window(self, source=None, event=None):
+		if self.window3.get_visible():
+			self.on_eventbox2_button_press_event()
+		
+	def on_pointer_motion(self, source=None, event=None):
+		(x,y,state) = self.window1.window.get_pointer()
+		(wxim, wyim ) = self.image1.get_size_request()
+		if x > 16+(wxim-self.new_width)/2 and x < 16+(wxim+self.new_width)/2 and y > 75+(wyim-self.new_height)/2 and y < 75+(wyim+self.new_height)/2:
+			if not self.window3.get_visible():
+				self.on_eventbox2_button_press_event()
+		
 	def on_eventbox2_button_press_event(self, source=None, event=None):
 		if self.window3.get_visible():
 			# clean-up
@@ -241,7 +255,6 @@
 			ratio = min(float(width)/im_width,float(height)/im_height) #calculate resizing ratio
 			new_width = int(im_width*ratio)
 			new_height = int(im_height*ratio)
-			print self.image2.get_size_request()
 			# resize to fit popup window
 			im = im1.resize((new_width, new_height), Image.BILINEAR)
 			# save
@@ -678,13 +691,13 @@
 		(im_width, im_height) = im1.size 	#get image size
 		(width, height) = self.image1.get_size_request() #get needed size
 		ratio = min(float(width)/im_width,float(height)/im_height) #calculate resizing ratio
-		new_width = int(im_width*ratio)
-		new_height = int(im_height*ratio)
+		self.new_width = int(im_width*ratio)
+		self.new_height = int(im_height*ratio)
 		
 		# use one of these filter options to resize the image
 		
 		#im = im1.resize((new_width, new_height), Image.NEAREST) # use nearest neighbour
-		im = im1.resize((new_width, new_height), Image.BILINEAR) # linear interpolation in a 2x2 environment
+		im = im1.resize((self.new_width, self.new_height), Image.BILINEAR) # linear interpolation in a 2x2 environment
 		#im = im1.resize((new_width, new_height), Image.BICUBIC) # cubic spline interpolation in a 4x4 environment
 		#im = im1.resize((new_width, new_height), Image.ANTIALIAS) # best down-sizing filter
 		#ext = ".jpg"


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