private static object GetCellValue(int w, int h, int row, int col, IImageData image, Color c, Hashtable colorTable, ICollection <RcIndex> locations)
{
double dmin = double.MaxValue;
object val = 0;
bool empty = true;
// Search 8 neighbor cells for likely blended neighbors
// (otherwise distant shapes might match better incorrectly)
for (int i = -1; i < 2; i++)
{
for (int j = -1; j < 2; j++)
{
if (i == j && j == 0)
{
continue;
}
if (row + i < 0 || row + i >= h)
{
continue;
}
if (col + j < 0 || col + j >= w)
{
continue;
}
Color nc = image.GetColor(row + i, col + j);
if (colorTable.ContainsKey(nc) == false)
{
continue;
}
double d = ((nc.R - c.R) * (nc.R - c.R)) + ((nc.G - c.G) * (nc.G - c.G)) + ((nc.B - c.B) * (nc.B - c.B));
if (d >= dmin)
{
continue;
}
val = colorTable[nc];
dmin = d;
empty = false;
image.SetColor(row, col, nc);
}
}
if (empty)
{
locations.Add(new RcIndex(row, col));
}
return(val);
}
private static object GetCellValue(int w, int h, int row, int col, IImageData image, Color c,
Hashtable colorTable, ICollection<RcIndex> locations)
{
double dmin = double.MaxValue;
object val = 0;
bool empty = true;
// Search 8 neighbor cells for likely blended neighbors
// (otherwise distant shapes might match better incorrectly)
for (int i = -1; i < 2; i++)
{
for (int j = -1; j < 2; j++)
{
if (i == j && j == 0)
{
continue;
}
if (row + i < 0 || row + i >= h)
{
continue;
}
if (col + j < 0 || col + j >= w)
{
continue;
}
Color nc = image.GetColor(row + i, col + j);
if (colorTable.ContainsKey(nc) == false)
{
continue;
}
double d = ((nc.R - c.R) * (nc.R - c.R)) + ((nc.G - c.G) * (nc.G - c.G)) +
((nc.B - c.B) * (nc.B - c.B));
if (d >= dmin)
{
continue;
}
val = colorTable[nc];
dmin = d;
empty = false;
image.SetColor(row, col, nc);
}
}
if (empty)
{
locations.Add(new RcIndex(row, col));
}
return val;
}