private void OverCursorOperation(int x, int y, OnPixelOperation operation)
{
int[,] coeffs = { { 1, 0, 0, -16 }, { 1, 0, 0, 16 }, { 0, -16, 1, 0 }, { 0, 16, 1, 0 } };
int idx = 0;
for (int k = 0; k < 4; k++)
{
int a = coeffs[k, 0];
int b = coeffs[k, 1];
int c = coeffs[k, 2];
int d = coeffs[k, 3];
for (int i = -16; i < 17; i++)
{
operation(idx, x + a * i + b, y + c * i + d);
idx++;
}
}
}
private void OverCursorOperation(int x, int y, OnPixelOperation operation)
{
int[,] coeffs = { { 1, 0, 0, -16 }, { 1, 0, 0, 16 }, { 0, -16, 1, 0 }, { 0, 16, 1, 0 } };
int idx = 0;
for (int k = 0; k < 4; k++)
{
int a = coeffs[k, 0];
int b = coeffs[k, 1];
int c = coeffs[k, 2];
int d = coeffs[k, 3];
for (int i = -16; i < 17; i++)
{
operation(idx, x + a * i + b, y + c * i + d);
idx++;
}
}
}
