public static Matrix <T> Transformed <T>(
this Matrix <T> matrix, ImageTrafo rotation)
{
long sx = matrix.Size.X, sy = matrix.Size.Y;
long dx = matrix.Delta.X, dy = matrix.Delta.Y;
switch (rotation)
{
case ImageTrafo.Rot0: return(matrix);
case ImageTrafo.Rot90: return(matrix.SubMatrix(sx - 1, 0, sy, sx, dy, -dx));
case ImageTrafo.Rot180: return(matrix.SubMatrix(sx - 1, sy - 1, sx, sy, -dx, -dy));
case ImageTrafo.Rot270: return(matrix.SubMatrix(0, sy - 1, sy, sx, -dy, dx));
case ImageTrafo.MirrorX: return(matrix.SubMatrix(sx - 1, 0, sx, sy, -dx, dy));
case ImageTrafo.Transpose: return(matrix.SubMatrix(0, 0, sy, sx, dy, dx));
case ImageTrafo.MirrorY: return(matrix.SubMatrix(0, sy - 1, sx, sy, dx, -dy));
case ImageTrafo.Transverse: return(matrix.SubMatrix(sx - 1, sy - 1, sy, sx, -dy, -dx));
}
throw new ArgumentException();
}
