public OcrResultIterator(OcrResultIterator i)
{
result = i.result;
lineIndex = i.lineIndex;
wordIndex = i.wordIndex;
charIndex = i.charIndex;
}
public bool FindWord(string searchWord, out Point position)
{
bool result = false;
float minDistance = float.MaxValue;
Point center = new Point(bitmap.Width / 2, bitmap.Height / 2);
position = new Point(0, 0);
debugText += ocrResult.Text;
// We remove whitespace in both the search word and the recognition result
// to allow searching for longer phrases
searchWord = Sanitize(searchWord);
if (searchWord.Length > 0)
{
OcrResultIterator i = new OcrResultIterator(ocrResult);
//foreach (OcrLine ocrLine in ocrResult.Lines)
{
//foreach (OcrWord ocrWord in ocrLine.Words)
while (!i.Done())
{
//string word = ocrWord.Text;
// Sometimes the engine splits words when it shouldn't
// Append following words until we have enough text to possibly fit the search word
OcrWord ocrWord = i.NextWord();
string word = Sanitize(ocrWord.Text);
OcrResultIterator j = new OcrResultIterator(i);
while (word.Length < searchWord.Length && !j.Done())
{
ocrWord = j.NextWord();
word += Sanitize(ocrWord.Text);
}
debugText += "\r\nWord: '" + word + "'";
if (word.Contains(searchWord))
{
debugText += "\r\n*** Word match!";
Windows.Foundation.Rect rect = ocrWord.BoundingRect;
Point wordCenter = new Point((int)(rect.Left + rect.Right) / 2, (int)(rect.Top + rect.Bottom) / 2);
int dx = wordCenter.X - center.X;
int dy = wordCenter.Y - center.Y;
float distance = (float)Math.Sqrt(dx * dx + dy * dy);
if (distance <= minDistance)
{
debugText += "\r\n*** Closest!";
position = wordCenter;
result = true;
minDistance = distance;
}
}
}
}
}
return(result);
}
