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);
                        }
                    }
                }
            }
Example #2
0
            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);
                        }
                    }
                }
            }