'Activity module
Sub Process_Globals
Private template As String
Private user = "khalidvb", license = "381CE5F0-4074-4A64-B593-A28EBD1AB968" As String
Private sax As SaxParser
Private ResultString As String
Private tempDir, tempFile ="1.jpg" As String
'___________________________________________
Dim dbsql As SQL
Dim dbcurosr As Cursor
Dim id As String
End Sub
Sub Globals
Dim txt_note As EditText
Dim ImageChooser1 As ContentChooser
Dim rbmp As RSImageProcessing
Dim bmp As Bitmap
Dim image_view As ImageView
Dim lbl_direction As Label
Dim web_ocr As WebView
Dim txt_ocr As EditText
End Sub
Sub imageChooser_Result (Success As Boolean, pathname As String, FileName As String)
If Success Then
image_view.Bitmap = LoadBitmap(pathname, FileName)
image_view.Gravity = Gravity.FILL
bmp.Initialize(pathname, FileName)
Else
ToastMessageShow("No image selected", True)
End If
End Sub
Sub Activity_Create(FirstTime As Boolean)
If FirstTime Then
'If File.ExternalWritable Then tempDir = File.DirDefaultExternal Else tempDir = File.DirInternalCache
If File.ExternalWritable Then tempDir = File.DirRootExternal Else tempDir = File.DirInternalCache
sax.Initialize
template = File.ReadString(File.DirAssets, "template.xml")
End If
' menu items
Activity.LoadLayout("editimage_activity")
Activity.AddMenuItem("Rotate","rotate")
Activity.AddMenuItem("OCR","ocr")
Activity.AddMenuItem("Save","save")
Activity.AddMenuItem("Cancel","cancel")
'________________________________________________________________________________________
' load image from gallery
ImageChooser1.Initialize("imageChooser")
ImageChooser1.show("image/*", "Select image")
'________________________________________________________________________________________
'connect to the database
If File.Exists(File.DirInternal,"csa.db") = False Then
File.Copy(File.DirAssets,"csa.db",File.DirInternal,"csa.db")
End If
If dbsql.IsInitialized = False Then
dbsql.Initialize(File.DirInternal, "csa.db", False)
End If
End Sub
Sub Activity_Resume
' load image from gallery
' ImageChooser1.Initialize("imageChooser")
' ImageChooser1.show("image/*", "Select image")
End Sub
Sub Activity_Pause (UserClosed As Boolean)
End Sub
Sub rotate_click
'load and initalise the bitmap
bmp = rbmp.Rotate(bmp, -90)
image_view.Bitmap=bmp 'Put bitmap into imageview
End Sub
Sub ocr_click()
'If File.Exists(File.DirRootExternal, "image_view") = False Then
If File.Exists(tempDir, tempFile) = False Then
ToastMessageShow("Cannot find picture file.", True)
Return
End If
ProgressDialogShow2("Sending data...", False)
Dim job As HttpJob
job.Initialize("ocr", Me)
job.PostString("http://www.ocrwebservice.com/services/OCRWebService.asmx", _
BuildRequest(ReadFile(tempDir, tempFile)))
job.GetRequest.SetContentType("text/xml; charset=utf-8")
job.GetRequest.SetHeader("SOAPAction", """http://stockservice.contoso.com/wse/samples/2005/10/OCRWebServiceRecognize""")
End Sub
Sub save_click
If txt_ocr.Visible = False Then
Msgbox("No extracted text to save","No text")
Else
'Grab the last ID number which is the highest number
dbcurosr = dbsql.ExecQuery("SELECT id FROM csanote")
If dbcurosr.RowCount > 0 Then
For i = 0 To dbcurosr.RowCount - 1
dbcurosr.Position = i
Dim NewID As Int
NewID = dbcurosr.GetInt("id")
Next
End If
NewID = NewID +1 ' add 1 to the ID number to make a new ID field
dbsql.ExecNonQuery("INSERT INTO csanote VALUES('" & NewID & "','" & txt_ocr.Text & "')")
Msgbox("Note saved","Save")
StartActivity(Main)
Activity.Finish
End If
End Sub
Sub cancel_click
Activity.Finish
End Sub
Sub ReadFile(Dir As String, FileName As String) As Byte()
Dim out As OutputStream
out.InitializeToBytesArray(100) 'size not really important
File.Copy2(File.OpenInput(Dir, FileName), out)
'File.Copy2(File.OpenInput(File.dirRootExternal, "image_view"), out)
Return out.ToBytesArray
End Sub
Sub WriteFile(Dir As String, FileName As String, Data() As Byte)
Dim out As OutputStream = File.OpenOutput(Dir, FileName, False)
out.WriteBytes(Data, 0, Data.Length)
out.Close
End Sub
Sub BuildRequest (data() As Byte) As String
Dim req As String = template
req = req.Replace("$USER$", user)
req = req.Replace("$LICENSE$", license)
req = req.Replace("$FILENAME$", tempFile)
Dim su As StringUtils
req = req.Replace("$DATA$", su.EncodeBase64(data))
req = req.Replace("$LANGUAGE$", "ENGLISH")
req = req.Replace("$OUTPUT$", "HTML")
Return req
End Sub
Sub JobDone(Job As HttpJob)
ProgressDialogHide
ToastMessageShow("Job completed", False)
If Job.Success Then
File.WriteString(File.DirRootExternal, "1.xml", Job.GetString)
ResultString = ""
sax.Parse(Job.GetInputStream, "sax")
If ResultString.Length > 0 Then
image_view.Visible = False
'CallSubDelayed2(showtxt_layout, "ShowText", ResultString)
txt_ocr.Visible = True
web_ocr.Visible = True
web_ocr.LoadHtml(ResultString)
txt_ocr.Text= ResultString
End If
Else
ToastMessageShow(Job.ErrorMessage, True)
Log(Job.ErrorMessage)
End If
Job.Release
End Sub
'Sub btn_paste_click()
'
'If web_ocr.Visible = True Then
'txt_ocr.Visible = True
'web_ocr.Visible = False
'Else
'Msgbox("Please Copy the text which recived and then Paste it to save"," Warrning")
'End If
'End Sub
Sub sax_StartElement (Uri As String, Name As String, Attributes As Attributes)
End Sub
Sub sax_EndElement (Uri As String, Name As String, Text As StringBuilder)
If Name = "fileData" Then
Dim su As StringUtils
Dim data() As Byte = su.DecodeBase64(Text)
'Note that they use UTF16 for TXT output.
ResultString = BytesToString(data, 0, data.Length, "UTF8")
Log(ResultString)
Else If Name = "errorMessage" Then
Log("Error: " & Text)
End If
End Sub
