public Sudoku(Bitmap image, int size = 9)
{
Size = size;
Matrix = new Cell[Size, Size];
Field = new GameFieldRecognizer(image).Recognize();
Matrix = CellValueRecognizer.RecognizeDigits(Field, Size);
var solver = new SudokuSolver(Matrix);
Matrix = solver.Calculate();
SolvingTime = solver.SolvingTime.ElapsedMilliseconds;
}
public MainWindow()
{
InitializeComponent();
try
{
var path = Directory.GetCurrentDirectory() + @"\tessdata";
CellValueRecognizer.InitTesseract(path);
}
catch (System.Exception error)
{
MessageBox.Show($"Can`t to calculate\nSource: {error.Source}\nMessage: {error.Message}",
"Fatal error",
MessageBoxButton.OK,
MessageBoxImage.Error);
throw;
}
}
private void DemonstrationBut_Click(object sender, RoutedEventArgs e)
{
var openImage = new OpenFileDialog()
{
Filter = "Image|*.BMP;*.JPG;*.GIF;*.PNG|All files|*.*"
};
openImage.ShowDialog();
if (openImage.FileName == "")
{
return;
}
try
{
Views.DemonstrationWindow demWin;
var bmp = new Bitmap(openImage.FileName);
var gameRecognizer = new GameFieldRecognizer(bmp);
// stage 1
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 1. Download Image"
};
demWin.image.Source = bmp.ToImageSource();
demWin.ExplainBox.Text = "Photo which is needed to process and calculate";
demWin.ShowDialog();
// stage 2
var preparedImage = gameRecognizer.PrepareImage();
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 2. Processing image"
};
demWin.image.Source = preparedImage.Bitmap.ToImageSource();
demWin.ExplainBox.Text = "Photo after processing";
demWin.ShowDialog();
// stage 3
var gameContour = gameRecognizer.FindField(preparedImage);
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 3. Finding field"
};
var img = gameRecognizer.Image.Clone();
img.DrawPolyline(gameContour.ToPoints().CorrectOrder(), true, new Emgu.CV.Structure.Bgr(Color.Green), img.Size.Width / 100);
demWin.image.Source = img.ToBitmapSource();
demWin.ExplainBox.Text = "Found game field in green rectangle";
demWin.ShowDialog();
// stage 4
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 4. Cutting field"
};
var gameFieldImg = gameRecognizer.CutField(gameContour);
demWin.image.Source = gameFieldImg.Bitmap.ToImageSource();
demWin.ExplainBox.Text = "Cut game field from original photo";
demWin.ShowDialog();
// stage 5
var sudoku = CellValueRecognizer.RecognizeDigits(gameFieldImg);
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 5. Recognizing digits"
};
Sudoku.DrawDigits(gameFieldImg, sudoku);
demWin.image.Source = gameFieldImg.Bitmap.ToImageSource();
demWin.ExplainBox.Text = "Recognized and then painted digits on the game field";
demWin.ShowDialog();
// stage 6
var solver = new SudokuSolver(sudoku);
bool run = true;
while (run)
{
run = solver.FindOnePossible();
if (run == false)
{
run = solver.FindOnlyHere();
}
}
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 6. Solving sudoku"
};
Sudoku.DrawDigits(gameFieldImg, solver.Matrix);
demWin.image.Source = gameFieldImg.Bitmap.ToImageSource();
demWin.ExplainBox.Text = $"Solved unknown sudoku values using simple methods";
demWin.ShowDialog();
if (!solver.Matrix.IsSolved())
{
// stage 7
solver.RecursiveMethod();
demWin = new Views.DemonstrationWindow()
{
Title = "Stage 7. Solving sudoku, part 2"
};
Sudoku.DrawDigits(gameFieldImg, solver.Matrix);
demWin.image.Source = gameFieldImg.Bitmap.ToImageSource();
demWin.ExplainBox.Text = $"Solved of the remaining unknown sudoku values using recursive method";
demWin.ShowDialog();
}
}
catch (System.Exception error)
{
MessageBox.Show($"Some error\nSource: {error.Source}\nMessage: {error.Message}",
"Error",
MessageBoxButton.OK,
MessageBoxImage.Error);
}
}
