public static HashMapGrid hashmapHorizontalLines(PictureDescription grid)
{
HashMapGrid gridToReturn = new HashMapGrid(grid.NumRows, grid.NumCols);
for (int y = 0; y < grid.NumRows; y++)
{
for (int x = 0; x < grid.NumCols; x++)
{
if (!grid.IsFilled(x, y))
{
gridToReturn.SetValue(x, y, 0);
}
else
{
int count = 1;
for (int xx = x + 1; xx < grid.NumCols; xx++)
{
if (grid.IsFilled(xx, y))
{
count++;
}
else
{
break;
}
}
for (int xx = x - 1; xx >= 0; xx--)
{
if (grid.IsFilled(xx, y))
{
count++;
}
else
{
break;
}
}
gridToReturn.SetValue(x, y, count);
}
}
}
return gridToReturn;
}
public static HashMapGrid hashmapSquares(PictureDescription grid)
{
HashMapGrid gridToReturn = new HashMapGrid(grid.NumRows, grid.NumCols);
for (int y = 0; y < grid.NumRows; y++)
{
for (int x = 0; x < grid.NumCols; x++)
{
if (!grid.IsFilled(x, y))
{
gridToReturn.SetValue(x, y, 0);
}
else
{
gridToReturn.SetValue(x, y, 0);
for (int width = 1; x + width < grid.NumCols && x - width >= 0
&& y + width < grid.NumRows && y - width >= 0; width++)
{
Boolean valid = true;
for (int xx = x - width; xx <= x + width; xx++)
{
for (int yy = y - width; yy <= y + width; y++)
{
if (!grid.IsFilled(xx, yy))
{
valid = false;
goto terminate;
}
}
}
terminate:
if (valid)
{
gridToReturn.SetValue(x, y, width);
}
else
{
break;
}
}
}
}
}
return gridToReturn;
}