private string TextFromImage(Image image)
{
var ORC = new IronOcr.AutoOcr();
var result = ORC.Read(image);
return(result.Text);
}
protected void btnUpload_Click(object sender, EventArgs e)
{
//Dosya yükleme kodu internetten alınmıştır.
// If the user has selected a file
if (FileUpload1.HasFile)
{
// Get the file extension
string fileExtension = System.IO.Path.GetExtension(FileUpload1.FileName);
if (fileExtension.ToLower() != ".png" && fileExtension.ToLower() != ".jpg" && fileExtension.ToLower() != ".jpeg")
{
lblMessage.ForeColor = System.Drawing.Color.Red;
lblMessage.Text = "Only files with .jpeg, .png and .jpg extension are allowed";
}
else
{
// Get the file size
int fileSize = FileUpload1.PostedFile.ContentLength;
// If file size is greater than 2 MB
if (fileSize > 2097152)
{
lblMessage.ForeColor = System.Drawing.Color.Red;
lblMessage.Text = "File size cannot be greater than 2 MB";
}
else
{
// Upload the file
FileUpload1.SaveAs(Server.MapPath("~/Uploads/" + FileUpload1.FileName));
lblMessage.ForeColor = System.Drawing.Color.Green;
lblMessage.Text = "File uploaded successfully";
adress = Server.MapPath("~/Uploads/" + FileUpload1.FileName);
System.IO.Stream stream = FileUpload1.PostedFile.InputStream;
System.Drawing.Image image = System.Drawing.Image.FromStream(stream);
int height = image.Height;
int width = image.Width;
var ocr = new IronOcr.AutoOcr()
{
ReadBarCodes = false
};
var Area = new System.Drawing.Rectangle()
{
X = 0, Y = height * 3 / 4, Width = width, Height = height
};
String words = ocr.Read(adress, Area).ToString();
String[] words_isbn = words.Split(' ');
String isbn = "";
int i = 0, i_keep = 0;
for (i = 0; i < words_isbn.Length; i++)
{
if (words_isbn[i].Contains("SBN") || words_isbn[i].Equals("ISBN") || words_isbn[i].Equals("İSBN") || words_isbn[i].Equals("ısbn") || words_isbn[i].Equals("isbn") || words_isbn[i].Equals("|SBN") || words_isbn[i].Equals("lSBN") || words_isbn[i].Equals("LSBN"))
{
i_keep = i;
}
}
if (i_keep == 0 && (words_isbn[i_keep].Contains("ISBN") == false || words_isbn[i_keep].Contains("SBN") == false))
{
for (i = i_keep; i < words_isbn.Length; i++)
{
isbn += words_isbn[i];
}
}
else if (words_isbn[i_keep].Contains("ISBN") && words_isbn[i_keep].All(char.IsDigit))
{
int index = words_isbn[i_keep].IndexOf('I');
for (i = index; i < words_isbn[i_keep].Length; i++)
{
isbn += words_isbn[i_keep][i];
}
for (i = i_keep + 1; i < words_isbn.Length; i++)
{
isbn += words_isbn[i];
}
}
else if (words_isbn[i_keep].Contains("ISBN") && words_isbn[i_keep].All(char.IsDigit) == false)
{
if (words_isbn.Length < i_keep + 8)
{
for (i = i_keep + 1; i < words_isbn.Length; i++)
{
isbn += words_isbn[i];
}
}
else
{
for (i = i_keep + 1; i < i_keep + 8; i++)
{
isbn += words_isbn[i];
}
}
}
Regex regex = new Regex("[^0-9]");
isbn = regex.Replace(isbn, string.Empty);
if (isbn.Length >= 13)
{
isbn = isbn.Substring(0, 13);
}
else
{
isbn = isbn.Substring(0, 10);
}
ısbn_number.Text = isbn;
}
}
}
else
{
lblMessage.ForeColor = System.Drawing.Color.Red;
lblMessage.Text = "Please select a file";
}
}