public void DeleteEdge(EdgeKind kind)
{
if (_cl == null)
{
return;
}
int x, y;
Edge.GetCoords(kind, out x, out y);
if (x == -1)
{
DeleteCollageColumn(0);
}
else if (x == 1)
{
DeleteCollageColumn(_cl.Columns - 1);
}
if (y == -1)
{
DeleteCollageRow(0);
}
else if (y == 1)
{
DeleteCollageRow(_cl.Rows - 1);
}
}
public override void ReceiveTile(Tile obj, Position loc)
{
if (_cl == null)
{
_cl = new Collage(_fmt, 1, false);
_cl.AddBlankTiles(1);
Activate(_main.toolBox);
}
EdgeKind kind = EdgeOf(loc);
if (kind != EdgeKind.None)
{
int x, y;
Edge.GetCoords(kind, out x, out y);
Edge e = _edges[(int)kind];
e.Distance = new Position(x, y);
ResizeCollage(e);
if (x == -1)
{
loc.col = 0;
}
if (y == -1)
{
loc.row = 0;
}
}
_selPos = loc;
_cl.SetTile(_selPos, obj as Tile);
Render();
}
private void ShiftCamera(EdgeKind e)
{
int x, y;
Edge.GetCoords(e, out x, out y);
ShiftCamera(Math.Abs(x), Math.Abs(y));
}
public override void ResizeCollage(Edge msg)
{
if (msg.EdgeKind == EdgeKind.None)
{
return;
}
int x, y;
Edge.GetCoords(msg.EdgeKind, out x, out y);
var dist = msg.Distance;
Func <int, int, int, Func <int, int>, Func <int, int>, int> resizeAxis = (side, delta, max, insert, delete) =>
{
int shift = 0;
int length = Math.Abs(delta);
for (int i = 0; i < length; i++)
{
if (side < 0)
{
if (delta < 0)
{
shift += insert(0);
}
else
{
shift += delete(0);
}
}
if (side > 0)
{
if (delta < 0)
{
shift += delete(--max);
}
else
{
shift += insert(max);
}
}
}
return(shift);
};
int shiftX = resizeAxis(x, dist.col, _cl.Columns, _cl.InsertColumn, _cl.DeleteColumn);
int shiftY = resizeAxis(y, dist.row, _cl.Rows, _cl.InsertRow, _cl.DeleteRow);
ShiftCamera(shiftX, shiftY);
msg.Distance = new Position(0, 0);
Render();
}