public override void ResetSpans(int min_x, int max_x)
{
int max_len = max_x - min_x + 2;
if (max_len > m_spans.Length)
{
m_spans = new ScanlineSpan[max_len];
m_covers = new byte[max_len];
}
last_x = 0x7FFFFFF0;
minX = min_x;
last_span_index = 0;
}
public override void ResetSpans(int min_x, int max_x)
{
int max_len = max_x - min_x + 3;
if (max_len > m_spans.Length)
{
m_spans = new ScanlineSpan[max_len];
m_covers = new byte[max_len];
}
last_x = 0x7FFFFFF0;
m_cover_index = 0; //make it ready for next add
last_span_index = 0;
m_spans[last_span_index].len = 0;
}
public override void AddCell(int x, int cover)
{
x -= minX;
m_covers[x] = (byte)cover;
if (x == last_x + 1)
{
m_spans[last_span_index].len++;
}
else
{
last_span_index++;
m_spans[last_span_index] = new ScanlineSpan(x + minX, x);
}
last_x = x;
}
public override void AddCell(int x, int cover)
{
x -= _minX;
_covers[x] = (byte)cover;
if (x == _last_x + 1)
{
_spans[_last_span_index].len++;
}
else
{
_last_span_index++;
_spans[_last_span_index] = new ScanlineSpan(x + _minX, x);
}
_last_x = x;
}
public override void AddCell(int x, int cover)
{
m_covers[m_cover_index] = (byte)cover;
if (x == last_x + 1 && m_spans[last_span_index].len > 0)
{
//append to last cell
m_spans[last_span_index].len++;
}
else
{
//start new
last_span_index++;
m_spans[last_span_index] = new ScanlineSpan((short)x, m_cover_index);
}
last_x = x;
m_cover_index++; //make it ready for next add
}
public override void AddCell(int x, int cover)
{
_covers[_cover_index] = (byte)cover;
if (x == _last_x + 1 && _spans[_last_span_index].len > 0)
{
//append to last cell
_spans[_last_span_index].len++;
}
else
{
//start new
_last_span_index++;
_spans[_last_span_index] = new ScanlineSpan((short)x, _cover_index);
}
_last_x = x;
_cover_index++; //make it ready for next add
}
public override void AddSpan(int x, int len, int cover)
{
x -= minX;
for (int i = 0; i < len; i++)
{
m_covers[x + i] = (byte)cover;
}
if (x == last_x + 1)
{
m_spans[last_span_index].len += (short)len;
}
else
{
last_span_index++;
m_spans[last_span_index] = new ScanlineSpan(x + minX, len, x);
}
last_x = x + (int)len - 1;
}
public override void AddSpan(int x, int len, int cover)
{
int backupCover = cover;
if (x == last_x + 1 &&
m_spans[last_span_index].len < 0 &&
cover == m_spans[last_span_index].cover_index)
{
//just append data to latest span ***
m_spans[last_span_index].len -= (short)len;
}
else
{
m_covers[m_cover_index] = (byte)cover;
last_span_index++;
//---------------------------------------------------
//start new
m_spans[last_span_index] = new ScanlineSpan((short)x, (short)(-len), m_cover_index);
m_cover_index++; //make it ready for next add
}
last_x = x + len - 1;
}
public override void AddSpan(int x, int len, int cover)
{
#if DEBUG
int backupCover = cover;
#endif
if (x == _last_x + 1 &&
_spans[_last_span_index].len < 0 &&
cover == _spans[_last_span_index].cover_index)
{
//just append data to latest span ***
_spans[_last_span_index].len -= (short)len;
}
else
{
_covers[_cover_index] = (byte)cover;
_last_span_index++;
//---------------------------------------------------
//start new
_spans[_last_span_index] = new ScanlineSpan((short)x, (short)(-len), _cover_index);
_cover_index++; //make it ready for next add
}
_last_x = x + len - 1;
}