public void CopyRedToAlpha(RawBitmap src)
{
if (BPP < 32)
{
return;
}
Parallel.For(0, Height, y =>
{
for (int x = 0; x < Width; x++)
{
int idxsrc = ((x % src.Width) + (y % src.Height) * src.Width) * (src.BPP / 8);
int idx = (x + y * Width) * (BPP / 8);
if (src.BPP >= 24)
{
Image[idx + 3] = src.Image[idxsrc + 2];
}
else if (src.BPP >= 8)
{
Image[idx + 3] = src.Image[idxsrc];
}
}
});
}
public void CopyRedToBlue(RawBitmap src)
{
Parallel.For(0, Height, y =>
{
for (int x = 0; x < Width; x++)
{
int idxsrc = ((x % src.Width) + (y % src.Height) * src.Width) * (src.BPP / 8);
int idx = (x + y * Width) * (BPP / 8);
if (BPP >= 24 && src.BPP >= 24)
{
Image[idx] = src.Image[idxsrc + 2];
}
else if (BPP >= 24 && src.BPP >= 8)
{
Image[idx] = src.Image[idxsrc];
}
else if (BPP >= 8 && src.BPP >= 24)
{
Image[idx] = src.Image[idxsrc + 2];
}
else if (BPP >= 8 && src.BPP >= 8)
{
Image[idx] = src.Image[idxsrc];
}
}
});
}
public void CopyRedToGreen(RawBitmap src)
{
Parallel.For(0, Height, y =>
{
for (int x = 0; x < Width; ++x)
{
int idxsrc = ((x % src.Width) + (y % src.Height) * src.Width) * 4;
int idx = (x + y * Width) * 4;
if (BPP >= 16 && src.BPP >= 24)
{
Image[idx + 1] = src.Image[idxsrc + 2];
}
else if (BPP >= 16 && src.BPP >= 8)
{
Image[idx + 1] = src.Image[idxsrc];
}
else if (BPP >= 8 && src.BPP >= 24)
{
Image[idx] = src.Image[idxsrc + 2];
}
else if (BPP >= 8 && src.BPP >= 8)
{
Image[idx] = src.Image[idxsrc];
}
}
});
}
public void CopyRedToRed(RawBitmap src)
{
Parallel.For(0, Height, y => {
for (int x = 0; x < Width; x++)
{
int idxsrc = ((x % src.Width) + (y % src.Height) * src.Width) * 4;
int idx = (x + y * Width) * 4;
Image[idx + 2] = src.Image[idxsrc + 2];
}
});
}
