public static bool RecognizeText(int x, int y, Size regionSize, string searchWord, out Point hitPoint)
{
bool result = false;
hitPoint = new Point(0, 0);
if (ocrEngine == null)
{
return(result);
}
Point origin = new Point(x - regionSize.Width / 2, y - regionSize.Height / 2);
Bitmap b = new Bitmap(regionSize.Width, regionSize.Height);
using (Graphics g = Graphics.FromImage(b))
{
g.CopyFromScreen(origin.X, origin.Y, 0, 0, regionSize, CopyPixelOperation.SourceCopy);
}
//b = new Bitmap(Image.FromFile("Capture.JPG"));
Point imageLocalPoint;
IOcrResult ocrResult = ocrEngine.Recognize(b);
// Try finding variations of the search word for all common mis-recognitions
List <string> variations = new List <string>();
variations.Add(searchWord);
if (searchWord.ToLower().Contains('l'))
{
variations.Add(searchWord.ToLower().Replace('l', 'I'));
}
if (searchWord.ToUpper().Contains('O'))
{
variations.Add(searchWord.ToUpper().Replace('O', '0'));
}
foreach (string v in variations)
{
if (ocrResult.FindWord(v, out imageLocalPoint))
{
hitPoint = new Point(origin.X + imageLocalPoint.X, origin.Y + imageLocalPoint.Y);
result = true;
break;
}
}
string text = "Search word: '" + searchWord + "'\r\n";
text += ocrResult.GetDebugText();
ocrResult.Dispose();
mainForm.Invoke((Action)(() =>
{
if (!result)
{
if (ocrResponseForm == null)
{
ocrResponseForm = new OcrResponseForm();
ocrResponseForm.FormClosed += OnOcrResponseFormClosed;
ocrResponseForm.FormClosing += OnOcrResponseFormClosing;
}
string responseText = searchWord + "?";
ocrResponseForm.Show(responseText);
System.Drawing.Rectangle screenBounds = Screen.PrimaryScreen.Bounds;
ocrResponseForm.Left = screenBounds.Right - ocrResponseForm.Width;
ocrResponseForm.Top = screenBounds.Top;
}
{
if (ocrDebugForm == null)
{
ocrDebugForm = new OcrDebugForm();
ocrDebugForm.FormClosed += OnOcrFormClosed;
ocrDebugForm.FormClosing += OnOcrFormClosing;
}
if (ocrDebugForm.ocrPicture.Image != null)
{
ocrDebugForm.ocrPicture.Image.Dispose();
}
ocrDebugForm.ocrPicture.Image = b;
ocrDebugForm.ocrText.Text = text;
}
}));
return(result);
}
public static void OnOcrResponseFormClosed(Object sender, FormClosedEventArgs e)
{
ocrResponseForm = null;
}
