private Point[] GetLocation(ValueTuple <List <double>, List <double> > mx)
{
var points = new List <Point>();
var matrix = mx.Item2;
foreach (var(cornerX, cornerY) in GetSampleCorners())
{
var(pointX, pointY) = Ransac.Transform(matrix, cornerX, cornerY);
points.Add(new Point((int)Math.Round(pointX), (int)Math.Round(pointY)));
}
return(points.ToArray());
}
public static Bitmap Transform(Bitmap pictureA, Bitmap pictureB, List <double> matrixA, List <double> matrixB)
{
int minX = 0,
maxX = pictureA.Width,
minY = 0,
maxY = pictureA.Height;
var points = new List <(double, double)>
{
Ransac.Transform(matrixB, 0, 0),
Ransac.Transform(matrixB, pictureB.Width, 0),
Ransac.Transform(matrixB, 0, pictureB.Height),
Ransac.Transform(matrixB, pictureB.Width, pictureB.Height)
};
minX = (int)Math.Min(minX, points.Min(x => x.Item1));
minY = (int)Math.Min(minY, points.Min(x => x.Item2));
maxX = (int)Math.Max(maxX, points.Max(x => x.Item1));
maxY = (int)Math.Max(maxY, points.Max(x => x.Item2));
int width = maxX - minX,
height = maxY - minY;
int dx = -minX, dy = -minY;
var bitmap = new Bitmap(width, height);
var g = Graphics.FromImage(bitmap);
g.DrawImage(pictureA, dx, dy, pictureA.Width, pictureA.Height);
for (var x = 0; x < bitmap.Width; x++)
{
for (var y = 0; y < bitmap.Height; y++)
{
var(nx, ny) = Ransac.Transform(matrixA, x - dx, y - dy);
if (nx < 0 || ny < 0 || nx >= pictureB.Width || ny >= pictureB.Height)
{
continue;
}
bitmap.SetPixel(x, y, pictureB.GetPixel((int)nx, (int)ny));
}
}
return(bitmap);
}
}
