// B G B G
// G R G R
// B G B G
// G R G R
private static void ProcessBottomLine(RawBGGRMap <ushort> map, VectorMap res)
{
var pix = res.GetPixel();
var raw = map.GetRow(res.Height - 1);
// Bottom Left pixel
var lastY = res.Height - 1;
pix.SetAndMoveNext(
raw.GetRel(1, 0) << 1,
raw.Value << 1,
raw.GetRel(0, -1) << 1);
raw.MoveNext();
// Bottom row
for (var x = 1; x < res.Width - 1; x += 2)
{
pix.SetAndMoveNext(
raw.Value << 1,
(raw.GetRel(-1, 0) + raw.GetRel(+1, 0) + raw.GetRel(0, -1) << 1) >> 1,
(raw.GetRel(-1, 0) + raw.GetRel(+1, 0)));
pix.SetAndMoveNext(
(raw.Value + raw.GetRel(+2, 0)),
raw.GetRel(+1, 0) << 1,
raw.GetRel(+1, 0 - 1) << 1);
raw.MoveNext();
raw.MoveNext();
}
// Bottom right pixel
pix.SetAndMoveNext(
raw.GetRel(-1, 0) << 1,
(raw.GetRel(-1, -1) + raw.GetRel(-2, 0)),
raw.GetRel(-2, -1) << 1);
raw.MoveNext();
}
private static void ProcessTopLine(RawBGGRMap <ushort> map, VectorMap res)
{
float maxValue = map.MaxValue;
var pix = res.GetPixel();
var raw = map.GetRow(0);
// Top Left pixel
pix.SetAndMoveNext(
(raw.GetRel(1, 1) / maxValue),
(raw.GetRel(1, 0) + raw.GetRel(0, 1)),
raw.Value << 1);
raw.MoveNext();
// Top row
for (var x = 1; x < res.Width - 1; x += 2)
{
pix.SetAndMoveNext(
raw.GetRel(0, 1) << 1,
raw.Value << 1,
(raw.GetRel(-1, 0) + raw.GetRel(+1, 0)));
pix.SetAndMoveNext(
(raw.GetRel(0, 1) + raw.GetRel(+2, 1)),
(raw.Value + raw.GetRel(+2, 0) + (raw.GetRel(+1, 1) << 1)) >> 1,
raw.GetRel(+1, 0) << 1);
raw.MoveNext();
raw.MoveNext();
}
// Top right pixel
pix.SetAndMoveNext(
(ushort)(raw.GetRel(res.Width - 1, 1) << 1),
(ushort)(raw.GetRel(res.Width - 1, 0) << 1),
(ushort)(raw.GetRel(res.Width - 2, 0) << 1));
raw.MoveNext();
}