private void buttonOpen_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
if (ofd.ShowDialog() == DialogResult.OK)
{
Bitmap bmp = new Bitmap(ofd.FileName);
pictureBoxFilled.Image = bmp;
pictureBoxInput.Image = (Bitmap)bmp.Clone();
List <Color> lst = new List <Color>();
Color c;
for (int x = 2; x < bmp.Width; x++)
{
c = bmp.GetPixel(x, 2);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(x, bmp.Height - 3);
if (!lst.Contains(c))
{
lst.Add(c);
}
}
for (int y = 0; y < bmp.Height; y++)
{
c = bmp.GetPixel(2, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(31, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(90, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(bmp.Width - 3, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
}
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
c = bmp.GetPixel(x, y);
if (lst.Contains(c))
{
if (c != Color.White)
{
FloodFill(bmp, x, y, Color.White);
}
}
}
}
Ocr ocr = new Ocr();
//Input
tessnet2.Tesseract tessocr = new tessnet2.Tesseract();
tessocr.SetVariable("tessedit_char_whitelist", "0123456789*+-=");
tessocr.Init(null, "eng", false);
pictureBoxInputLib.Image = tessocr.GetThresholdedImage((Bitmap)pictureBoxInput.Image, Rectangle.Empty);
List <tessnet2.Word> text = ocr.DoOCRNormal((Bitmap)pictureBoxInput.Image, "eng");
textBoxInput.Text = text[0].Text;
//Filled
tessocr = new tessnet2.Tesseract();
tessocr.SetVariable("tessedit_char_whitelist", "0123456789*+-=");
tessocr.Init(null, "eng", false);
pictureBoxFilledLib.Image = tessocr.GetThresholdedImage((Bitmap)pictureBoxFilled.Image, Rectangle.Empty);
text = ocr.DoOCRNormal((Bitmap)pictureBoxFilled.Image, "eng");
textBoxFilled.Text = text[0].Text;
}
}
// Initialization main func
public void Func1(Bitmap bmp)
{
pictureBoxFilled.Image = bmp;
pictureBoxInput.Image = (Bitmap)bmp.Clone();
List <Color> lst = new List <Color>();
Color c;
for (int x = 2; x < bmp.Width; x++)
{
c = bmp.GetPixel(x, 2);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(x, bmp.Height - 3);
if (!lst.Contains(c))
{
lst.Add(c);
}
}
for (int y = 0; y < bmp.Height; y++)
{
c = bmp.GetPixel(2, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(31, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(90, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
c = bmp.GetPixel(bmp.Width - 3, y);
if (!lst.Contains(c))
{
lst.Add(c);
}
}
for (int x = 0; x < bmp.Width; x++)
{
for (int y = 0; y < bmp.Height; y++)
{
c = bmp.GetPixel(x, y);
if (lst.Contains(c))
{
if (c != Color.White)
{
FloodFill(bmp, x, y, Color.White);
}
}
}
}
Ocr ocr = new Ocr();
//Input
tessnet2.Tesseract tessocr = new tessnet2.Tesseract();
tessocr.SetVariable("tessedit_char_whitelist", "0123456789*+-=");
tessocr.Init(null, "eng", false);
pictureBoxInputLib.Image = tessocr.GetThresholdedImage((Bitmap)pictureBoxInput.Image, Rectangle.Empty);
List <tessnet2.Word> text = ocr.DoOCRNormal((Bitmap)pictureBoxInput.Image, "eng");
textBoxInput.Text = text[0].Text;
//Filled
tessocr = new tessnet2.Tesseract();
tessocr.SetVariable("tessedit_char_whitelist", "0123456789*+-=");
tessocr.Init(null, "eng", false);
pictureBoxFilledLib.Image = tessocr.GetThresholdedImage((Bitmap)pictureBoxFilled.Image, Rectangle.Empty);
text = ocr.DoOCRNormal((Bitmap)pictureBoxFilled.Image, "eng");
textBoxFilled.Text = text[0].Text;
}