internal void updateScanLine(int x, CPixel cPixel)
{
if (_data[x].GetHashCode() != cPixel.GetHashCode())
{
_colChangedStart = Math.Min(x, _colChangedStart);
_colChangedEnd = Math.Max(x, _colChangedEnd);
_data[x] = cPixel;
}
}
internal void clearScanLine(int color)
{
_colChangedStart = 1;
_colChangedEnd = _width;
CPixel pixel = new CPixel(color);
for (int i = 0; i < _width; i++)
{
_data[i] = pixel;
}
}
internal IEnumerable <byte> getData(int diffXstart, int diffXend)
{
List <byte> t = new List <byte>();
int w = (diffXend - diffXstart) + 1;
CPixel[] l = new CPixel[w];
Array.Copy(_data, diffXstart - 1, l, 0, w);
foreach (CPixel p in l)
{
t.Add(p.hicolor);
t.Add(p.locolor);
}
return(t.ToArray <byte>());
}