public void Submit(D2dDistanceField baseField, D2dSplitGroup splitGroup, D2dRect baseRect, D2dRect rect)
{
distanceField.Transform(rect, this);
for (var y = rect.MinY; y < rect.MaxY; y++)
{
for (var x = rect.MinX; x < rect.MaxX; x++)
{
var cell = distanceField.Cells[x - rect.MinX + (y - rect.MinY) * rect.SizeX];
var baseCell = baseField.Cells[x - baseRect.MinX + (y - baseRect.MinY) * baseRect.SizeX];
if (cell.D == baseCell.D)
{
splitGroup.AddPixel(x, y);
}
}
}
}
public void Submit(D2dSplitGroup splitGroup, int feather, int alphaWidth, int alphaHeight)
{
var minX = MinX - feather; if (minX < 0)
{
minX = 0;
}
var minY = MinY - feather; if (minY < 0)
{
minY = 0;
}
var maxX = MaxX + feather; if (maxX > alphaWidth)
{
maxX = alphaWidth;
}
var maxY = MaxY + feather; if (maxY > alphaHeight)
{
maxY = alphaHeight;
}
for (var i = 0; i < maxX; i++)
{
if (i == pixels.Count)
{
pixels.Add(new D2dFloodfillPixel());
}
}
for (var y = minY; y < maxY; y++)
{
var featheredRow = featheredRows[y];
for (var i = minX; i < maxX; i++)
{
var pixel = pixels[i];
pixel.Island = null;
pixel.Distance = feather + 1;
}
for (var i = featheredRow.Lines.Count - 1; i >= 0; i--)
{
var featheredLine = featheredRow.Lines[i];
for (var x = featheredLine.MinX - feather; x < featheredLine.MaxX + feather; x++)
{
if (x >= minX && x < maxX)
{
var pixel = pixels[x];
var distance = GetDistance(x, y, featheredLine);
if (distance < pixel.Distance)
{
pixel.Island = featheredLine.Island;
pixel.Distance = distance;
}
}
}
}
for (var x = minX; x < maxX; x++)
{
if (pixels[x].Island == this)
{
splitGroup.AddPixel(x, y);
}
}
}
}