/// <summary>
/// Learn new style based on a clear page with separated letters from whole alphabet. Letters as on keyboard.
/// Last 2 letters are dot and comma
/// </summary>
/// <param name="file">Path to file with letters.</param>
public void AcknowledgeNewStyle(string file, RecognitionModel model)
{
List <ImageMatrix> letters = null;
if (model == RecognitionModel.FixedSize)
{
letters = new MatrixSplitter(file).Letters;
}
else if (model == RecognitionModel.Resizing)
{
ImageMatrix main = new ImageMatrix(new Bitmap(Image.FromFile(file)));
SubMatrix sub = new SubMatrix(main.Matrix, new Rectangle {
X = 0, Y = 0, Height = main.Height, Width = main.Width
});
var letterSplitter = new LetterSplitter(sub);
letters = GetLines(sub).SelectMany(line => GetLetters(line, letterSplitter)).Select(s => s.ToFullMatrix()).ToList();
}
var fileName = file.Substring(file.LastIndexOf(Path.DirectorySeparatorChar) + 1);
var woExtension = fileName.Substring(0, fileName.IndexOf('.'));
var placeInDB = DataCollector.GenerateFontFolder(woExtension, model);
int i = 0;
foreach (var l in letters.Take(letters.Count - 2))
{
l.Character = NextChar(i++);
}
SaveMatricesToDirectory(placeInDB, letters);
}
private List <SubMatrix> GetLetters(SubMatrix line, LetterSplitter letterSplitter)
{
letterSplitter.SetNewMatrix(line);
var letters = letterSplitter.GetLetters();
//letters.Insert(0, line);
return(letters);
}
/// <summary>
/// Clear, split to lines, split to letters.
/// </summary>
/// <param name="mainMatrix">Main image</param>
/// <returns>Lines with letters, first letter is always the line</returns>
private List <List <SubMatrix> > FindLettersToLines(ImageMatrix mainMatrix)
{
var matrix = GetClearedTextMatrix(mainMatrix);
var lines = GetLines(matrix);
var letterSplitter = new LetterSplitter(matrix);
var resultLinesAndLetters = lines.Select(l => GetLetters(l, letterSplitter)).ToList();
return(resultLinesAndLetters);
}
public void TestSpaceRecognition()
{
PrepareImage();
testName = "SpaceRecognition";
var firstLine = GetLines().First();
var letterSplitter = new LetterSplitter(firstLine);
var letters = letterSplitter.GetLetters();
TEST(letters.Where(m => m == null).Count() == 3, $"Didnt find 3 required spaces, found {letters.Where(m => m == null).Count()}");
}
private List <List <SubMatrix> > GetLetters(List <SubMatrix> lines)
{
LetterSplitter splitter = new LetterSplitter(lines.First());
var firstLine = splitter.GetLetters();
lines.RemoveAt(0);
var letters = lines.Select(l => { splitter.SetNewMatrix(l); return(splitter.GetLetters()); }).ToList();
letters.Insert(0, firstLine);
letters.ForEach(l => l.RemoveAll(r => r == null));
return(letters);
}
/// <summary>
/// Retrieves letters ignoring spaces, so outcome is a line of text.
/// </summary>
/// <param name="pathToImage"></param>
/// <returns></returns>
public IEnumerable <Bitmap> ParseToLettersImages(string pathToImage)
{
var mainMatrix = new ImageMatrix(new Bitmap(Image.FromFile(pathToImage)));
var clr = GetClearedTextMatrix(mainMatrix);
var lines = GetLines(clr);
LetterSplitter splitter = new LetterSplitter(clr);
var letters = lines.SelectMany(l => {
splitter.SetNewMatrix(l);
return(splitter.GetLetters());
});
List <SubMatrix> summarize = new List <SubMatrix> {
clr
};
summarize.AddRange(lines);
summarize.AddRange(letters);
var crt = new ImageCreator();
return(summarize.Select(a => crt.CreateImageOutOfMatrix(a)));
}
