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 += page.GetText();
var iterator = page.GetIterator();
iterator.Begin();
do
{
string word = iterator.GetText(PageIteratorLevel.Word);
if (word != null)
{
debugText += "\r\nWord: '" + word + "'";
if (searchWord.Length > 0 && word.ToUpper().Contains(searchWord.ToUpper()))
{
debugText += "\r\n*** Word match!";
Rect rect;
if (iterator.TryGetBoundingBox(PageIteratorLevel.Word, out rect))
{
Point wordCenter = new Point((rect.X1 + rect.X2) / 2, (rect.Y1 + rect.Y2) / 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;
}
}
else
{
debugText += "\r\n*** Error: Failed to get bounding box!";
}
}
}
} while (iterator.Next(PageIteratorLevel.Word));
return(result);
}
List <CharBox> getCharBoxs(Tesseract.Page page)
{
List <CharBox> cbs = new List <CharBox>();
//string t = page.GetHOCRText(1, true);
//var dfg = page.GetThresholdedImage();
//Tesseract.Orientation o;
//float c;
// page.DetectBestOrientation(out o, out c);
// var l = page.AnalyseLayout();
//var ti = l.GetBinaryImage(Tesseract.PageIteratorLevel.Para);
//Tesseract.Rect r;
// l.TryGetBoundingBox(Tesseract.PageIteratorLevel.Block, out r);
using (var i = page.GetIterator())
{
//int j = 0;
//i.Begin();
//do
//{
// bool g = i.IsAtBeginningOf(Tesseract.PageIteratorLevel.Block);
// bool v = i.TryGetBoundingBox(Tesseract.PageIteratorLevel.Block, out r);
// var bt = i.BlockType;
// //if (Regex.IsMatch(bt.ToString(), @"image", RegexOptions.IgnoreCase))
// //{
// // //i.TryGetBoundingBox(Tesseract.PageIteratorLevel.Block,out r);
// // Tesseract.Pix p = i.GetBinaryImage(Tesseract.PageIteratorLevel.Block);
// // Bitmap b = Tesseract.PixConverter.ToBitmap(p);
// // b.Save(Log.AppDir + "\\test" + (j++) + ".png", System.Drawing.Imaging.ImageFormat.Png);
// //}
//} while (i.Next(Tesseract.PageIteratorLevel.Block));
//do
//{
// do
// {
// do
// {
// do
// {
do
{
//if (i.IsAtBeginningOf(PageIteratorLevel.Block))
//{
//}
//if (i.IsAtBeginningOf(PageIteratorLevel.Para))
//{
//}
//if (i.IsAtBeginningOf(PageIteratorLevel.TextLine))
//{
//}
Rect r;
if (i.TryGetBoundingBox(PageIteratorLevel.Symbol, out r))
{
//if (i.IsAtBeginningOf(PageIteratorLevel.Word))
//{
//if (i.IsAtBeginningOf(PageIteratorLevel.Para))
//{
// cbs.Add(new CharBox
// {
// Char = "\r\n",
// AutoInserted = true,
// R = new RectangleF(r.X1 * Settings.Constants.Pdf2ImageResolutionRatio - Settings.Constants.CoordinateDeviationMargin * 2, r.Y1 * Settings.Constants.Pdf2ImageResolutionRatio, r.Width * Settings.Constants.Pdf2ImageResolutionRatio, r.Height * Settings.Constants.Pdf2ImageResolutionRatio)
// });
//}//seems to work not well
//cbs.Add(new CharBox//worked well before autoinsert was moved
//{
// Char = " ",
// AutoInserted = true,
// R = new RectangleF(r.X1 * Settings.Constants.Pdf2ImageResolutionRatio - Settings.Constants.CoordinateDeviationMargin * 2, r.Y1 * Settings.Constants.Pdf2ImageResolutionRatio, r.Width * Settings.Constants.Pdf2ImageResolutionRatio, r.Height * Settings.Constants.Pdf2ImageResolutionRatio)
//});
//}
cbs.Add(new CharBox
{
Char = i.GetText(PageIteratorLevel.Symbol),
R = new RectangleF(r.X1 * Settings.Constants.Pdf2ImageResolutionRatio, r.Y1 * Settings.Constants.Pdf2ImageResolutionRatio, r.Width * Settings.Constants.Pdf2ImageResolutionRatio, r.Height * Settings.Constants.Pdf2ImageResolutionRatio)
});
}
} while (i.Next(PageIteratorLevel.Symbol));
// } while (i.Next(PageIteratorLevel.Word, PageIteratorLevel.Symbol));
// } while (i.Next(PageIteratorLevel.TextLine, PageIteratorLevel.Word));
// } while (i.Next(PageIteratorLevel.Para, PageIteratorLevel.TextLine));
//} while (i.Next(PageIteratorLevel.Block, PageIteratorLevel.Para));
}
return(cbs);
}
/*
int LookingTextMarker(RecognazeRule Rule, Page page, out ResultIterator BestLineIter, out int word)
{
word = -1;
BestLineIter = null;
int BestDistance = 10000;
ResultIterator LineIter = page.GetIterator();
string[] Words = Rule.TextMarker.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
int NumberOfWords = Words.Length;
LineIter.Begin();
do
{
int CurrentWordNumber = -1;
int CurrentBestDistance = 10000;
string Line = LineIter.GetText(PageIteratorLevel.TextLine);
if(Line == null)
continue;
string[] WordsOfLine = Line.Split(new char[] {' '}, StringSplitOptions.None);
if(WordsOfLine.Length < NumberOfWords)
continue;
for(int shift = 0; shift <= WordsOfLine.Length - NumberOfWords; shift++)
{
int PassDistance = 0;
for(int i = 0; i < NumberOfWords; i++)
{
PassDistance += FuzzyStringComparer.GetDistanceLevenshtein(WordsOfLine[shift + i],
Words[i],
StringComparison.CurrentCultureIgnoreCase);
}
if(PassDistance < CurrentBestDistance)
{
CurrentBestDistance = PassDistance;
CurrentWordNumber = shift + 1;
}
}
if(CurrentBestDistance < BestDistance)
{
AddToLog ("new best");
AddToLog (LineIter.GetText(PageIteratorLevel.Word));
word = CurrentWordNumber;
if(BestLineIter != null)
BestLineIter.Dispose();
BestLineIter = LineIter.Clone();
AddToLog (BestLineIter.GetText(PageIteratorLevel.TextLine));
BestDistance = CurrentBestDistance;
}
} while( LineIter.Next(PageIteratorLevel.TextLine));
LineIter.Dispose();
return BestDistance;
} */
int GetTextPosition(string Text, Page page, out int PosX, out int PosY, out double AngleRad, RecognazeRule[] AfterMarkerRules)
{
int BestDistance = 10000;
PosX = -1;
PosY = -1;
AngleRad = 0;
logger.Debug("Marker zone text:{0}", page.GetText());
ResultIterator LineIter = page.GetIterator();
string[] Words = Text.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
int NumberOfWords = Words.Length;
LineIter.Begin();
do
{
int CurrentWordNumber = -1;
int CurrentAfterWord = 0;
int CurrentBestDistance = 10000;
string Line = LineIter.GetText(PageIteratorLevel.TextLine);
if(Line == null || Line == "")
continue;
Line = Line.Trim();
string[] WordsOfLine = Line.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
if(WordsOfLine.Length == 0)
continue;
for(int shift = 0; shift < WordsOfLine.Length; shift++)
{
for(int i = 1; i <= NumberOfWords && i <= WordsOfLine.Length - shift; i++)
{
string passString = String.Join(" ", WordsOfLine, shift, i);
int PassDistance = FuzzyStringComparer.GetDistanceLevenshtein(passString,
Text,
StringComparison.CurrentCultureIgnoreCase);
if(PassDistance < CurrentBestDistance)
{
CurrentBestDistance = PassDistance;
CurrentWordNumber = shift;
CurrentAfterWord = shift + i;
}
}
}
if(CurrentBestDistance < BestDistance)
{
logger.Debug("new best");
logger.Debug(LineIter.GetText(PageIteratorLevel.TextLine).Trim());
//Заполняем поля данными после маркера.
foreach(RecognazeRule rule in AfterMarkerRules)
{
if(rule.NextAfterTextMarker && WordsOfLine.Length > CurrentAfterWord + rule.ShiftWordsCount)
{
rule.AfterTextMarkerValue = WordsOfLine[CurrentAfterWord + rule.ShiftWordsCount];
}
}
BestDistance = CurrentBestDistance;
for(int i = 0; i < CurrentWordNumber; i++)
{
LineIter.Next(PageIteratorLevel.Word);
}
Rect Box;
LineIter.TryGetBoundingBox(PageIteratorLevel.Word, out Box);
PosX = Box.X1;
PosY = Box.Y1;
logger.Debug("Position X1:{0} Y1:{1} X2:{2} Y2:{3}", Box.X1, Box.Y1, Box.X2, Box.Y2);
LineIter.TryGetBaseline(PageIteratorLevel.Word, out Box);
logger.Debug("BaseLine X1:{0} Y1:{1} X2:{2} Y2:{3}", Box.X1, Box.Y1, Box.X2, Box.Y2);
AngleRad = Math.Atan2(Box.Y2 - Box.Y1, Box.X2 - Box.X1); //угл наклона базовой линии.
double AngleGrad = AngleRad * (180/Math.PI);
logger.Debug("Angle rad:{0} grad:{1}", AngleRad, AngleGrad);
}
} while( LineIter.Next(PageIteratorLevel.TextLine));
LineIter.Dispose();
return BestDistance;
}
/*
int LookingTextMarker(RecognazeRule Rule, Page page, out ResultIterator BestLineIter, out int word)
{
word = -1;
BestLineIter = null;
int BestDistance = 10000;
ResultIterator LineIter = page.GetIterator();
string[] Words = Rule.TextMarker.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
int NumberOfWords = Words.Length;
LineIter.Begin();
do
{
int CurrentWordNumber = -1;
int CurrentBestDistance = 10000;
string Line = LineIter.GetText(PageIteratorLevel.TextLine);
if(Line == null)
continue;
string[] WordsOfLine = Line.Split(new char[] {' '}, StringSplitOptions.None);
if(WordsOfLine.Length < NumberOfWords)
continue;
for(int shift = 0; shift <= WordsOfLine.Length - NumberOfWords; shift++)
{
int PassDistance = 0;
for(int i = 0; i < NumberOfWords; i++)
{
PassDistance += FuzzyStringComparer.GetDistanceLevenshtein(WordsOfLine[shift + i],
Words[i],
StringComparison.CurrentCultureIgnoreCase);
}
if(PassDistance < CurrentBestDistance)
{
CurrentBestDistance = PassDistance;
CurrentWordNumber = shift + 1;
}
}
if(CurrentBestDistance < BestDistance)
{
AddToLog ("new best");
AddToLog (LineIter.GetText(PageIteratorLevel.Word));
word = CurrentWordNumber;
if(BestLineIter != null)
BestLineIter.Dispose();
BestLineIter = LineIter.Clone();
AddToLog (BestLineIter.GetText(PageIteratorLevel.TextLine));
BestDistance = CurrentBestDistance;
}
} while( LineIter.Next(PageIteratorLevel.TextLine));
LineIter.Dispose();
return BestDistance;
} */
int GetTextPosition(string Text, Page page, out int PosX, out int PosY)
{
int BestDistance = 10000;
PosX = -1;
PosY = -1;
ResultIterator LineIter = page.GetIterator();
string[] Words = Text.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
int NumberOfWords = Words.Length;
LineIter.Begin();
do
{
int CurrentWordNumber = -1;
int CurrentBestDistance = 10000;
string Line = LineIter.GetText(PageIteratorLevel.TextLine);
if(Line == null)
continue;
Line = Line.Trim();
string[] WordsOfLine = Line.Split(new char[] {' '}, StringSplitOptions.None);
if(WordsOfLine.Length < NumberOfWords)
continue;
for(int shift = 0; shift <= WordsOfLine.Length - NumberOfWords; shift++)
{
int PassDistance = 0;
for(int i = 0; i < NumberOfWords; i++)
{
PassDistance += FuzzyStringComparer.GetDistanceLevenshtein(WordsOfLine[shift + i],
Words[i],
StringComparison.CurrentCultureIgnoreCase);
}
if(PassDistance < CurrentBestDistance)
{
CurrentBestDistance = PassDistance;
CurrentWordNumber = shift;
}
}
if(CurrentBestDistance < BestDistance)
{
AddToLog ("new best");
AddToLog (LineIter.GetText(PageIteratorLevel.TextLine).Trim());
BestDistance = CurrentBestDistance;
for(int i = 0; i < CurrentWordNumber; i++)
{
LineIter.Next(PageIteratorLevel.Word);
}
Rect Box;
LineIter.TryGetBoundingBox(PageIteratorLevel.Word, out Box);
PosX = Box.X1;
PosY = Box.Y1;
}
} while( LineIter.Next(PageIteratorLevel.TextLine));
LineIter.Dispose();
return BestDistance;
}